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51 Pegasi

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898: 32: 39: 4456: 883:(WGSN) to catalog and standardize proper names for stars. In its first bulletin of July 2016, the WGSN explicitly recognized the names of exoplanets and their host stars approved by the Executive Committee Working Group Public Naming of Planets and Planetary Satellites, including the names of stars adopted during the 2015 NameExoWorlds campaign. This star is now so entered in the IAU Catalog of Star Names. 728: 1907:
Buchhave, Lars A.; Latham, David W.; Johansen, Anders; Bizzarro, Martin; Torres, Guillermo; Rowe, Jason F.; Batalha, Natalie M.; Borucki, William J.; Brugamyer, Erik; Caldwell, Caroline; Bryson, Stephen T.; Ciardi, David R.; Cochran, William D.; Endl, Michael; Esquerdo, Gilbert A. (June 2012).
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during a 1981 study, subsequent observation showed there was almost no chromospheric activity between 1977 and 1989. Further examination between 1994 and 2007 showed a similar low or flat level of activity. This, along with its relatively low X-ray emission, suggests that the star may be in a
826:. On its discovery, the star's planet — and actually the first exoplanet discovered around a main-sequence star — was designated 51 Pegasi b by its discoverers and unofficially dubbed Bellerophon, in keeping with the convention of naming planets after Greek and Roman mythological figures ( 849:, a process for giving proper names to certain exoplanets and their host stars. The process involved public nomination and voting for the new names. In December 2015, the IAU announced the names of Helvetios for this star and Dimidium for its planet. 939:(51 Peg b) was the first discovered exoplanet around a main-sequence star. It orbits very close to the star, experiences estimated temperatures around 1,200 °C (1,500 K; 2,200 °F) and has a mass at least half that of 786:. Stars with higher metallicity such as this are more likely to host giant planets. In 1996, astronomers Baliunas, Sokoloff, and Soon measured a rotational period of 37 days for 51 Pegasi. 782:, with a radius 24% larger and 11% more massive. The star has a higher proportion of elements other than hydrogen/helium compared to the Sun; a quantity astronomers term a star's 1443:
Mittag, M.; Schröder, K.-P.; Hempelmann, A.; González-Pérez, J. N.; Schmitt, J. H. M. M. (2016). "Chromospheric activity and evolutionary age of the Sun and four solar twins".
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Frasca, A.; et al. (December 2009). "REM near-IR and optical photometric monitoring of pre-main sequence stars in Orion. Rotation periods and starspot parameters".
1878: 2413: 2382: 4493: 581: 2445: 1588: 3799: 3804: 3794: 3789: 3749: 3744: 2201: 778:), giving 51 Pegasi the characteristic yellow hue of a G-type star. It is estimated to be about 6.1 billion years old, somewhat older than the 434: 3267: 3262: 3257: 3252: 577: 3839: 3723: 3718: 3713: 3703: 3693: 3688: 3683: 3678: 3673: 3668: 3663: 3658: 3653: 3648: 3643: 3638: 3633: 3628: 3605: 3600: 3595: 3590: 3585: 3580: 3575: 3570: 3565: 3560: 3555: 3550: 3545: 3540: 3535: 3530: 3525: 3520: 3515: 3510: 3505: 3500: 3495: 3490: 3485: 3480: 3475: 3470: 3465: 3460: 3455: 3450: 3445: 3440: 3430: 3425: 3420: 3415: 3410: 3405: 3400: 3395: 3390: 3385: 3375: 3370: 3365: 3360: 3355: 3350: 3345: 3340: 3335: 3330: 3325: 3320: 3315: 3310: 3305: 3242: 3237: 3232: 3227: 3217: 3212: 3197: 3192: 3187: 3167: 3162: 3157: 3152: 3142: 3137: 3132: 3122: 3107: 3102: 3097: 3092: 3087: 3082: 3077: 3072: 3067: 3062: 3057: 3052: 3047: 3042: 3032: 3027: 3022: 3017: 3012: 3007: 2950: 3002: 2997: 2982: 2012:
Kukarkin, B. V.; et al. (1981). "Nachrichtenblatt der Vereinigung der Sternfreunde e.V. (Catalogue of suspected variable stars)".
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van Belle, Gerard T.; von Braun, Kaspar (2009). "Directly Determined Linear Radii and Effective Temperatures of Exoplanet Host Stars".
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Roberto Sanchis-Ojeda; Josh N. Winn; Daniel C. Fabrycky (2012). "Starspots and spin-orbit alignment for Kepler cool host stars".
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Fuhrmann, K.; et al. (October 1997). "Solar-type stars with planetary companions: 51 Pegasi and 47 Ursae Majoris".
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Skiff, B. A. (2014). "VizieR Online Data Catalog: Catalogue of Stellar Spectral Classifications (Skiff, 2009–2016)".
31: 4498: 4459: 2431: 2387: 2238: 2110: 2060: 842: 2392: 4503: 4362: 1973:"Magnetic Field and Rotation in Lower Main-Sequence Stars: An Empirical Time-Dependent Magnetic Bode's Relation?" 880: 61: 2131: 1230: 4513: 4357: 976: 922: 632: 2035: 1307:
Keenan, Philip C.; McNeil, Raymond C. (1989). "The Perkins Catalog of Revised MK Types for the Cooler Stars".
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Poppenhäger, K.; et al. (December 2009). "51 Pegasi – a planet-bearing Maunder minimum candidate".
4523: 4508: 2974: 1254: 561: 557: 2293: 2156: 4488: 2470: 897: 2454: 2177: 1885:. Commonwealth Scientific and Industrial Research Organisation. December 21, 2004. Archived from 704: 74: 4483: 3615: 2288: 930: 747: 569: 123: 4281: 4276: 3998: 3287: 2622: 823: 759: 565: 553: 442: 1825: 1549: 1509: 1466: 1206: 4403: 2343: 2280: 2017: 1984: 1921: 1860: 1821: 1765: 1702: 1666: 1607: 1545: 1505: 1462: 1416: 1370: 1316: 1273: 1202: 1002: 755: 606: 301: 1730: 8: 2418: 1119: 1007: 948: 943:. At the time of its discovery, this close distance was not compatible with theories of 585: 2347: 2284: 2106: 2056: 2021: 1988: 1925: 1864: 1769: 1754:
Mayor, Michael; Queloz, Didier (1995). "A Jupiter-mass companion to a solar-type star".
1670: 1611: 1420: 1374: 1320: 1277: 2359: 2333: 2306: 2270: 1953: 1837: 1811: 1781: 1684: 1656: 1625: 1597: 1561: 1535: 1478: 1452: 1386: 1360: 1289: 1285: 1263: 1220: 1192: 1105: 736: 322: 188: 177: 166: 155: 144: 133: 106: 2057:"NameExoWorlds: An IAU Worldwide Contest to Name Exoplanets and their Host Stars]" 2489: 2363: 2209: 1945: 1937: 1841: 1688: 1679: 1644: 1620: 1583: 1565: 1224: 982: 918: 614: 519: 57: 2310: 1482: 1390: 1293: 4337: 2351: 2298: 2260: 1992: 1957: 1929: 1829: 1785: 1773: 1756: 1674: 1629: 1615: 1553: 1470: 1378: 1324: 1281: 1210: 1136: 1080: 944: 857: 653: 479: 471: 409: 285: 1910:"An abundance of small exoplanets around stars with a wide range of metallicities" 1833: 1557: 1474: 1215: 1176: 831: 795: 739:
is 5.49, making it visible with the naked eye under suitable viewing conditions.
422: 233: 82: 2407: 4398: 4385: 4332: 2597: 2567: 2517: 1407:
Johnson, H. L.; et al. (1966). "UBVRIJKL photometry of the bright stars".
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51 Pegasi was listed as a standard star for the spectral type G2IV in the 1989
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of hydrogen at its core, but to be in a more evolved state than the Sun. The
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star. It is generally considered to still be generating energy through the
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The names were those submitted by the Astronomische Gesellschaft Luzern,
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for 'half', referring to the planet's mass of at least half the mass of
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of G5V, and even in more modern catalogues it is usually listed as a
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Monet, David G.; et al. (February 2003). "The USNO-B Catalog".
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Butler, R. P.; et al. (2006). "Catalog of Nearby Exoplanets".
1997: 1972: 1661: 1457: 1382: 1328: 1197: 533: 2275: 1816: 1602: 1540: 1268: 4347: 4342: 4327: 3975: 3834: 3829: 3824: 3819: 3814: 3769: 3247: 940: 873: 861: 835: 771: 1406: 868:
tribe that lived in Switzerland during antiquity; 'Dimidium' is
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Data Release 3. Summary of the content and survey properties"
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The Perkins catalog of revised MK types for the cooler stars
727: 2480: 971: 680: 677: 659: 277: 265: 2107:"Final Results of NameExoWorlds Public Vote Released]" 1581: 955:
are now known to be oblique relative to the stellar axis.
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Baliunas, Sallie; Sokoloff, Dmitry; Soon, Willie (1996).
995: 779: 2323: 2178:"Bulletin of the IAU Working Group on Star Names, No. 1" 1525: 1495: 1175:
Vallenari, A.; et al. (Gaia collaboration) (2023).
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period during which a star produces a reduced number of
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Communications of the Lunar and Planetary Laboratory
668: 662: 2202:"Nobel prize for physics: exoplanets and cosmology" 2036:"University of California at Berkeley News Release" 665: 656: 4420: 1744: 1251: 2014:Nachrichtenblatt der Vereinigung der Sternfreunde 1589:Monthly Notices of the Royal Astronomical Society 1577: 1575: 929:. On 8 October 2019, Mayor and Queloz shared the 4470: 1797: 1795: 1709:. Centre de Données astronomiques de Strasbourg 1521: 1519: 1247: 1245: 1243: 921:orbiting 51 Pegasi. The discovery was made at 901:The 51 Pegasi planetary system (shown to scale) 4384: 2380: 1572: 49:51 Peg (circled) in the constellation Pegasus. 2439: 1964: 1792: 1582:Simpson, E. K.; et al. (November 2010). 1346: 1344: 1342: 1340: 1338: 2453: 2317: 1516: 1306: 1240: 100:+20° 46′ 07.797″ 4494:Planetary systems with one confirmed planet 2226: 1883:Australia Telescope, Outreach and Education 1753: 1309:The Astrophysical Journal Supplement Series 60:J2000.0       2446: 2432: 1725: 1723: 1584:"Rotation periods of exoplanet host stars" 1335: 746:. Historically, it was generally given a 719:, officially named Dimidium) orbiting it. 3861: 2337: 2292: 2274: 2074: 1996: 1815: 1678: 1660: 1636: 1619: 1601: 1539: 1456: 1364: 1267: 1214: 1196: 789:Although the star was suspected of being 2157:"IAU Working Group on Star Names (WGSN)" 2028: 1703:"51 Peg – Star suspected of Variability" 1489: 1438: 1436: 1434: 1432: 1430: 896: 805:The star rotates at an inclination of 79 726: 2099: 2049: 1720: 1402: 1400: 257: 4471: 1695: 1300: 2427: 2254: 2170: 2124: 1871: 1854: 1848: 1427: 1170: 1168: 1166: 1164: 1162: 1160: 703:) from Earth in the constellation of 2149: 2005: 1642: 1397: 1069: 886: 269: 13: 2132:"NameExoWorlds The Approved Names" 1157: 14: 4540: 2374: 1977:The Astrophysical Journal Letters 38: 16:Star in the constellation Pegasus 4455: 4454: 2388:Extrasolar Planets Encyclopaedia 2239:Extrasolar Planets Encyclopaedia 2111:International Astronomical Union 1621:10.1111/j.1365-2966.2010.17230.x 843:International Astronomical Union 652: 292:64.4048 ± 0.0543  37: 30: 4363:Pegasus Dwarf Spheroidal Galaxy 2194: 1900: 1643:Luck, R. Earle (January 2017). 1231:Gaia DR3 record for this source 959:The 51 Pegasi planetary system 947:and resulted in discussions of 817: 4519:Henry Draper Catalogue objects 4358:Pegasus Dwarf Irregular Galaxy 923:Observatoire de Haute-Provence 917:announced the discovery of an 1: 4529:Bright Star Catalogue objects 1150: 879:In 2016, the IAU organized a 722: 2466:Pegasus in Chinese astronomy 2419:David Darling's encyclopedia 1445:Astronomy & Astrophysics 1286:10.1088/0004-637X/694/2/1085 1011: 1006: 1001: 988: 975: 970: 963: 7: 2082:"NameExoWorlds The Process" 1857:VizieR On-line Data Catalog 1834:10.1051/0004-6361/200912945 1731:"IAU Catalog of Star Names" 1558:10.1051/0004-6361/200913327 1475:10.1051/0004-6361/201527542 1216:10.1051/0004-6361/202243940 1064: 881:Working Group on Star Names 814:degrees relative to Earth. 10: 4545: 4479:G-type main-sequence stars 1804:Astronomy and Astrophysics 1680:10.3847/1538-3881/153/1/21 1528:Astronomy and Astrophysics 1498:Astronomy and Astrophysics 1185:Astronomy and Astrophysics 890: 834:who rode the winged horse 4452: 4416: 4380: 4315: 3997: 3988: 3968: 3959: 3934: 3923: 3857: 3732: 3614: 3286: 2973: 2621: 2488: 2479: 2461: 2326:The Astrophysical Journal 2263:Astronomische Nachrichten 1255:The Astrophysical Journal 593: 550: 543: 539: 346: 341: 337: 227: 220: 117: 54: 24: 2471:List of stars in Pegasus 2455:Constellation of Pegasus 1649:The Astronomical Journal 1353:The Astronomical Journal 4499:Pegasus (constellation) 2383:"Notes for star 51 Peg" 2381:Jean Schneider (2011). 1826:2009A&A...508.1417P 1550:2009A&A...508.1313F 1510:1997A&A...326.1081F 1467:2016A&A...591A..89M 1207:2023A&A...674A...1G 323:Absolute magnitude 189:Apparent magnitude 178:Apparent magnitude 167:Apparent magnitude 156:Apparent magnitude 145:Apparent magnitude 107:Apparent magnitude 4504:Durchmusterung objects 3871:51 Pegasi b (Dimidium) 2303:10.1002/asna.201211765 931:Nobel Prize in Physics 902: 748:stellar classification 732: 711:star found to have an 20:51 Pegasi / Helvetios 4514:Gliese and GJ objects 2414:nStars database entry 1879:"The Colour of Stars" 933:for their discovery. 900: 824:Flamsteed designation 760:effective temperature 730: 3740:BD+14 4559 (Solaris) 967:(in order from star) 905:On October 6, 1995, 864:" and refers to the 766:is about 5,571  756:thermonuclear fusion 260: +207.328  4422:Astronomical events 3881:BD+14 4559 b (Pirx) 2348:2006ApJ...646..505B 2285:2013AN....334..180S 2022:1981NVS...C......0K 1989:1996ApJ...457L..99B 1934:10.1038/nature11121 1926:2012Natur.486..375B 1865:2014yCat....1.2023S 1770:1995Natur.378..355M 1671:2017AJ....153...21L 1612:2010MNRAS.408.1666S 1421:1966CoLPL...4...99J 1375:2003AJ....125..984M 1321:1989ApJS...71..245K 1278:2009ApJ...694.1085V 1120:Lists of exoplanets 1046:4.230785 ± 0.000036 960: 951:. However, several 949:planetary migration 707:. It was the first 594:Database references 499:Rotational velocity 312:(15.53 ± 0.01  272: +61.164  21: 2410:at SolStation.com. 2113:. 15 December 2015 1106:Upsilon Andromedae 958: 903: 841:In July 2014, the 830:was a figure from 737:apparent magnitude 733: 647:), formally named 545:Other designations 358:1.12 ± 0.06   307:50.64 ± 0.04  134:Apparent magnitude 124:Spectral type 19: 4524:Hipparcos objects 4509:Flamsteed objects 4466: 4465: 4448: 4447: 4412: 4411: 4404:Stephan's Quintet 4376: 4375: 3984: 3983: 3955: 3954: 3919: 3918: 3853: 3852: 3825:WASP-52 (Anadolu) 2109:(Press release). 2059:(Press release). 1920:(7403): 375–377. 1889:on March 18, 2012 1764:(6555): 355–359. 1147: 1146: 1062: 1061: 999: 986: 968: 856:. "Helvetios" is 822:51 Pegasi is the 638: 637: 615:Exoplanet Archive 4536: 4458: 4457: 4418: 4417: 4382: 4381: 3995: 3994: 3966: 3965: 3932: 3931: 3859: 3858: 3835:WASP-60 (Morava) 3820:WASP-21 (Tangra) 2486: 2485: 2448: 2441: 2434: 2425: 2424: 2404: 2402: 2400: 2395:on April 7, 2010 2391:. Archived from 2368: 2367: 2341: 2339:astro-ph/0607493 2321: 2315: 2314: 2296: 2278: 2258: 2252: 2251: 2249: 2247: 2230: 2224: 2223: 2221: 2220: 2198: 2192: 2191: 2189: 2187: 2182: 2174: 2168: 2167: 2165: 2163: 2153: 2147: 2146: 2144: 2143: 2134:. Archived from 2128: 2122: 2121: 2119: 2118: 2103: 2097: 2096: 2094: 2093: 2084:. Archived from 2078: 2072: 2071: 2069: 2068: 2053: 2047: 2046: 2044: 2043: 2032: 2026: 2025: 2009: 2003: 2002: 2000: 1968: 1962: 1961: 1904: 1898: 1897: 1895: 1894: 1875: 1869: 1868: 1852: 1846: 1845: 1819: 1810:(3): 1417–1421. 1799: 1790: 1789: 1778:10.1038/378355a0 1751: 1742: 1741: 1739: 1737: 1727: 1718: 1717: 1715: 1714: 1699: 1693: 1692: 1682: 1664: 1640: 1634: 1633: 1623: 1605: 1596:(3): 1666–1679. 1579: 1570: 1569: 1543: 1534:(3): 1313–1330. 1523: 1514: 1513: 1493: 1487: 1486: 1460: 1440: 1425: 1424: 1404: 1395: 1394: 1368: 1366:astro-ph/0210694 1348: 1333: 1332: 1304: 1298: 1297: 1271: 1262:(2): 1085–1098. 1249: 1238: 1228: 1218: 1200: 1172: 1137:Portal:Astronomy 1081:47 Ursae Majoris 1070: 1052: 1047: 1042: 1033: 1028: 993: 980: 966: 961: 957: 945:planet formation 887:Planetary system 813: 812: 690: 689: 686: 685: 682: 679: 676: 673: 670: 667: 664: 661: 658: 531: 529: 491: 489: 454: 452: 407: 405: 380: 271: 259: 244:−33.33 km/s 118:Characteristics 110: 90: 85: 55:Observation data 41: 40: 34: 22: 18: 4544: 4543: 4539: 4538: 4537: 4535: 4534: 4533: 4489:Maunder Minimum 4469: 4468: 4467: 4462: 4444: 4408: 4386:Galaxy clusters 4372: 4311: 3980: 3951: 3926: 3915: 3849: 3728: 3610: 3282: 2969: 2617: 2475: 2457: 2452: 2398: 2396: 2377: 2372: 2371: 2322: 2318: 2294:10.1.1.759.5082 2259: 2255: 2245: 2243: 2232: 2231: 2227: 2218: 2216: 2200: 2199: 2195: 2185: 2183: 2180: 2176: 2175: 2171: 2161: 2159: 2155: 2154: 2150: 2141: 2139: 2130: 2129: 2125: 2116: 2114: 2105: 2104: 2100: 2091: 2089: 2080: 2079: 2075: 2066: 2064: 2055: 2054: 2050: 2041: 2039: 2034: 2033: 2029: 2010: 2006: 1983:(2): L99–L102. 1969: 1965: 1905: 1901: 1892: 1890: 1877: 1876: 1872: 1853: 1849: 1800: 1793: 1752: 1745: 1735: 1733: 1729: 1728: 1721: 1712: 1710: 1701: 1700: 1696: 1641: 1637: 1580: 1573: 1524: 1517: 1494: 1490: 1441: 1428: 1405: 1398: 1349: 1336: 1305: 1301: 1250: 1241: 1173: 1158: 1153: 1148: 1067: 1050: 1045: 1041:0.0527 ± 0.0030 1040: 1036: 1031: 1027:≥ 0.472 ± 0.039 1026: 992: 979: 965: 895: 889: 832:Greek mythology 820: 811: 808: 807: 806: 796:Maunder minimum 725: 655: 651: 589: 580: 5568.00, 527: 525: 505: sin  487: 485: 450: 448: 423:Surface gravity 415: 412: 403: 401: 388: 385: 378: 365: 362: 328: 311: 268: 239: 234:Radial velocity 105: 88: 83:Right ascension 81: 56: 50: 48: 47: 46: 45: 44: 43: 42: 17: 12: 11: 5: 4542: 4532: 4531: 4526: 4521: 4516: 4511: 4506: 4501: 4496: 4491: 4486: 4481: 4464: 4463: 4453: 4450: 4449: 4446: 4445: 4443: 4442: 4437: 4432: 4426: 4424: 4414: 4413: 4410: 4409: 4407: 4406: 4401: 4399:NGC 7331 Group 4396: 4390: 4388: 4378: 4377: 4374: 4373: 4371: 4370: 4365: 4360: 4355: 4350: 4345: 4340: 4335: 4333:Einstein Cross 4330: 4325: 4319: 4317: 4313: 4312: 4310: 4309: 4304: 4299: 4294: 4289: 4284: 4279: 4274: 4269: 4264: 4259: 4254: 4249: 4244: 4239: 4234: 4229: 4224: 4219: 4214: 4209: 4204: 4199: 4194: 4189: 4184: 4179: 4174: 4169: 4164: 4159: 4154: 4149: 4144: 4139: 4134: 4129: 4124: 4119: 4114: 4109: 4104: 4099: 4094: 4089: 4084: 4079: 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3328: 3323: 3318: 3313: 3308: 3303: 3298: 3292: 3290: 3284: 3283: 3281: 3280: 3275: 3270: 3265: 3260: 3255: 3250: 3245: 3240: 3235: 3230: 3225: 3220: 3215: 3210: 3205: 3200: 3195: 3190: 3185: 3180: 3175: 3170: 3165: 3160: 3155: 3150: 3145: 3140: 3135: 3130: 3125: 3120: 3115: 3110: 3105: 3100: 3095: 3090: 3085: 3080: 3075: 3070: 3065: 3060: 3055: 3050: 3045: 3040: 3035: 3030: 3025: 3020: 3015: 3010: 3005: 3000: 2995: 2990: 2985: 2979: 2977: 2971: 2970: 2968: 2967: 2960: 2953: 2948: 2943: 2938: 2933: 2928: 2923: 2918: 2913: 2908: 2903: 2898: 2893: 2888: 2883: 2878: 2873: 2868: 2863: 2858: 2853: 2848: 2843: 2838: 2833: 2828: 2823: 2818: 2813: 2808: 2803: 2801:51 (Helvetios) 2798: 2793: 2788: 2783: 2778: 2773: 2768: 2763: 2758: 2753: 2748: 2743: 2738: 2733: 2728: 2723: 2718: 2713: 2708: 2703: 2698: 2693: 2688: 2683: 2678: 2673: 2668: 2663: 2658: 2653: 2648: 2643: 2638: 2633: 2627: 2625: 2619: 2618: 2616: 2615: 2610: 2605: 2600: 2595: 2590: 2585: 2580: 2575: 2570: 2565: 2560: 2555: 2550: 2545: 2540: 2535: 2530: 2525: 2520: 2515: 2510: 2505: 2500: 2494: 2492: 2483: 2477: 2476: 2474: 2473: 2468: 2462: 2459: 2458: 2451: 2450: 2443: 2436: 2428: 2422: 2421: 2416: 2411: 2405: 2376: 2375:External links 2373: 2370: 2369: 2356:10.1086/504701 2332:(1): 505–522. 2316: 2253: 2225: 2208:. 2019-10-08. 2193: 2169: 2148: 2123: 2098: 2073: 2048: 2027: 2004: 1998:10.1086/309891 1963: 1899: 1870: 1847: 1791: 1743: 1719: 1694: 1635: 1571: 1515: 1488: 1426: 1396: 1383:10.1086/345888 1359:(2): 984–993. 1334: 1329:10.1086/191373 1299: 1239: 1155: 1154: 1152: 1149: 1145: 1144: 1140: 1139: 1133: 1132: 1128: 1127: 1122: 1116: 1115: 1114:Other articles 1110: 1109: 1108: 1103: 1098: 1093: 1088: 1083: 1077: 1076: 1068: 1066: 1063: 1060: 1059: 1056: 1053: 1048: 1043: 1038: 1034: 1024: 1016: 1015: 1010: 1005: 1000: 990:Orbital period 987: 977:Semimajor axis 974: 969: 891:Main article: 888: 885: 819: 816: 809: 724: 721: 636: 635: 630: 624: 623: 618: 610: 609: 604: 596: 595: 591: 590: 572: 217014, 551: 548: 547: 541: 540: 537: 536: 523: 515: 514: 511: 494: 493: 483: 475: 474: 468: 460: 459: 446: 438: 437: 431: 418: 417: 413: 410: 399: 391: 390: 386: 383: 376: 368: 367: 363: 360: 356: 348: 347: 344: 343: 339: 338: 335: 334: 331: 326: 318: 317: 305: 297: 296: 290: 281: 280: 255: 246: 245: 242: 237: 229: 228: 225: 224: 218: 217: 214: 207: 206: 203: 196: 195: 192: 185: 184: 181: 174: 173: 170: 163: 162: 159: 152: 151: 148: 141: 140: 137: 130: 129: 126: 120: 119: 115: 114: 111: 102: 101: 98: 92: 91: 86: 78: 77: 72: 66: 65: 52: 51: 36: 35: 29: 28: 27: 26: 25: 15: 9: 6: 4: 3: 2: 4541: 4530: 4527: 4525: 4522: 4520: 4517: 4515: 4512: 4510: 4507: 4505: 4502: 4500: 4497: 4495: 4492: 4490: 4487: 4485: 4484:Solar analogs 4482: 4480: 4477: 4476: 4474: 4461: 4451: 4441: 4438: 4436: 4433: 4431: 4428: 4427: 4425: 4423: 4419: 4415: 4405: 4402: 4400: 4397: 4395: 4392: 4391: 4389: 4387: 4383: 4379: 4369: 4366: 4364: 4361: 4359: 4356: 4354: 4353:Markarian 335 4351: 4349: 4346: 4344: 4341: 4339: 4338:Huchra's lens 4336: 4334: 4331: 4329: 4326: 4324: 4321: 4320: 4318: 4314: 4308: 4305: 4303: 4300: 4298: 4295: 4293: 4290: 4288: 4285: 4283: 4280: 4278: 4275: 4273: 4270: 4268: 4265: 4263: 4260: 4258: 4255: 4253: 4250: 4248: 4245: 4243: 4240: 4238: 4235: 4233: 4230: 4228: 4225: 4223: 4220: 4218: 4215: 4213: 4210: 4208: 4205: 4203: 4200: 4198: 4195: 4193: 4190: 4188: 4185: 4183: 4180: 4178: 4175: 4173: 4170: 4168: 4165: 4163: 4160: 4158: 4155: 4153: 4150: 4148: 4145: 4143: 4140: 4138: 4135: 4133: 4130: 4128: 4125: 4123: 4120: 4118: 4115: 4113: 4110: 4108: 4105: 4103: 4100: 4098: 4095: 4093: 4090: 4088: 4085: 4083: 4080: 4078: 4075: 4073: 4070: 4068: 4065: 4063: 4060: 4058: 4055: 4053: 4050: 4048: 4045: 4043: 4040: 4038: 4035: 4033: 4030: 4028: 4025: 4023: 4020: 4018: 4015: 4013: 4010: 4008: 4005: 4004: 4002: 4000: 3996: 3993: 3991: 3987: 3977: 3974: 3973: 3971: 3967: 3964: 3962: 3958: 3948: 3945: 3943: 3940: 3939: 3937: 3933: 3930: 3928: 3922: 3912: 3909: 3907: 3904: 3902: 3899: 3897: 3894: 3892: 3889: 3887: 3884: 3882: 3879: 3877: 3874: 3872: 3869: 3868: 3866: 3864: 3860: 3856: 3846: 3843: 3841: 3838: 3836: 3833: 3831: 3828: 3826: 3823: 3821: 3818: 3816: 3813: 3811: 3808: 3806: 3803: 3801: 3800:PSR B2127+11C 3798: 3796: 3793: 3791: 3788: 3786: 3783: 3781: 3778: 3776: 3773: 3771: 3768: 3766: 3763: 3761: 3758: 3756: 3753: 3751: 3748: 3746: 3743: 3741: 3738: 3737: 3735: 3731: 3725: 3722: 3720: 3717: 3715: 3712: 3710: 3707: 3705: 3702: 3700: 3697: 3695: 3692: 3690: 3687: 3685: 3682: 3680: 3677: 3675: 3672: 3670: 3667: 3665: 3662: 3660: 3657: 3655: 3652: 3650: 3647: 3645: 3642: 3640: 3637: 3635: 3632: 3630: 3627: 3625: 3622: 3621: 3619: 3617: 3613: 3607: 3604: 3602: 3599: 3597: 3594: 3592: 3589: 3587: 3584: 3582: 3579: 3577: 3574: 3572: 3569: 3567: 3564: 3562: 3559: 3557: 3554: 3552: 3549: 3547: 3544: 3542: 3539: 3537: 3534: 3532: 3529: 3527: 3524: 3522: 3519: 3517: 3514: 3512: 3509: 3507: 3504: 3502: 3499: 3497: 3494: 3492: 3489: 3487: 3484: 3482: 3479: 3477: 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2639: 2637: 2634: 2632: 2629: 2628: 2626: 2624: 2620: 2614: 2611: 2609: 2606: 2604: 2601: 2599: 2596: 2594: 2591: 2589: 2586: 2584: 2581: 2579: 2576: 2574: 2571: 2569: 2566: 2564: 2561: 2559: 2556: 2554: 2553:μ (Sadalbari) 2551: 2549: 2546: 2544: 2541: 2539: 2536: 2534: 2531: 2529: 2526: 2524: 2521: 2519: 2516: 2514: 2513:δ (Alpheratz) 2511: 2509: 2506: 2504: 2501: 2499: 2496: 2495: 2493: 2491: 2487: 2484: 2482: 2478: 2472: 2469: 2467: 2464: 2463: 2460: 2456: 2449: 2444: 2442: 2437: 2435: 2430: 2429: 2426: 2420: 2417: 2415: 2412: 2409: 2406: 2394: 2390: 2389: 2384: 2379: 2378: 2365: 2361: 2357: 2353: 2349: 2345: 2340: 2335: 2331: 2327: 2320: 2312: 2308: 2304: 2300: 2295: 2290: 2286: 2282: 2277: 2272: 2268: 2264: 2257: 2241: 2240: 2235: 2229: 2215: 2211: 2207: 2206:The Economist 2203: 2197: 2179: 2173: 2158: 2152: 2138:on 2018-02-01 2137: 2133: 2127: 2112: 2108: 2102: 2088:on 2015-08-15 2087: 2083: 2077: 2063:. 9 July 2014 2062: 2058: 2052: 2037: 2031: 2023: 2019: 2015: 2008: 1999: 1994: 1990: 1986: 1982: 1978: 1974: 1967: 1959: 1955: 1951: 1947: 1943: 1939: 1935: 1931: 1927: 1923: 1919: 1915: 1911: 1903: 1888: 1884: 1880: 1874: 1866: 1862: 1858: 1851: 1843: 1839: 1835: 1831: 1827: 1823: 1818: 1813: 1809: 1805: 1798: 1796: 1787: 1783: 1779: 1775: 1771: 1767: 1763: 1759: 1758: 1750: 1748: 1732: 1726: 1724: 1708: 1704: 1698: 1690: 1686: 1681: 1676: 1672: 1668: 1663: 1658: 1654: 1650: 1646: 1639: 1631: 1627: 1622: 1617: 1613: 1609: 1604: 1599: 1595: 1591: 1590: 1585: 1578: 1576: 1567: 1563: 1559: 1555: 1551: 1547: 1542: 1537: 1533: 1529: 1522: 1520: 1511: 1507: 1504:: 1081–1089. 1503: 1499: 1492: 1484: 1480: 1476: 1472: 1468: 1464: 1459: 1454: 1450: 1446: 1439: 1437: 1435: 1433: 1431: 1422: 1418: 1414: 1410: 1403: 1401: 1392: 1388: 1384: 1380: 1376: 1372: 1367: 1362: 1358: 1354: 1347: 1345: 1343: 1341: 1339: 1330: 1326: 1322: 1318: 1314: 1310: 1303: 1295: 1291: 1287: 1283: 1279: 1275: 1270: 1265: 1261: 1257: 1256: 1248: 1246: 1244: 1236: 1232: 1226: 1222: 1217: 1212: 1208: 1204: 1199: 1194: 1190: 1186: 1182: 1180: 1171: 1169: 1167: 1165: 1163: 1161: 1156: 1143: 1138: 1135: 1134: 1130: 1129: 1126: 1123: 1121: 1118: 1117: 1113: 1112: 1111: 1107: 1104: 1102: 1099: 1097: 1094: 1092: 1089: 1087: 1084: 1082: 1079: 1078: 1074: 1073: 1072: 1071: 1057: 1054: 1051:0.013 ± 0.012 1049: 1044: 1039: 1037: 1025: 1023: 1022: 1018: 1017: 1014: 1009: 1004: 997: 991: 984: 978: 973: 962: 956: 954: 950: 946: 942: 938: 934: 932: 928: 924: 920: 916: 915:Didier Queloz 912: 908: 899: 894: 884: 882: 877: 875: 871: 867: 863: 859: 855: 850: 848: 847:NameExoWorlds 844: 839: 837: 833: 829: 825: 815: 803: 801: 797: 792: 787: 785: 781: 777: 774:; 9,568  773: 769: 765: 761: 757: 753: 752:main-sequence 749: 745: 740: 738: 729: 720: 718: 714: 710: 709:main-sequence 706: 702: 698: 695:located 50.6 694: 693:Sun-like star 688: 650: 646: 643:(abbreviated 642: 634: 631: 629: 626: 625: 622: 619: 617: 616: 612: 611: 608: 605: 603: 602: 598: 597: 592: 588: 113357 587: 584: 90896, 583: 579: 576: 16750, 575: 571: 567: 563: 559: 555: 549: 546: 542: 538: 535: 524: 522: 521: 517: 516: 513:5.6 km/s 512: 510: 508: 504: 500: 496: 495: 484: 482: 481: 477: 476: 473: 469: 467: 466: 462: 461: 458: 447: 445: 444: 440: 439: 436: 432: 430: 428: 424: 420: 419: 416: 400: 398: 397: 393: 392: 389: 379:1.237 ± 0.047 377: 375: 374: 370: 369: 366: 357: 355: 354: 350: 349: 345: 340: 336: 332: 330: 324: 320: 319: 315: 310: 306: 304: 303: 299: 298: 295: 291: 289: 287: 283: 282: 279: 275: 267: 263: 256: 254: 252: 251:Proper motion 248: 247: 243: 241: 235: 231: 230: 226: 223: 219: 215: 213: 209: 208: 204: 202: 198: 197: 193: 190: 187: 186: 182: 179: 176: 175: 171: 168: 165: 164: 160: 157: 154: 153: 149: 146: 143: 142: 138: 135: 132: 131: 127: 125: 122: 121: 116: 112: 108: 104: 103: 99: 97: 94: 93: 89:22 57 27.9805 87: 84: 80: 79: 76: 73: 71: 70:Constellation 68: 67: 63: 59: 53: 33: 23: 3805:PSR B2303+30 2962: 2955: 2800: 2397:. Retrieved 2393:the original 2386: 2329: 2325: 2319: 2269:(1–2): 180. 2266: 2262: 2256: 2246:November 12, 2244:. Retrieved 2237: 2228: 2217:. Retrieved 2205: 2196: 2184:. Retrieved 2172: 2160:. Retrieved 2151: 2140:. Retrieved 2136:the original 2126: 2115:. Retrieved 2101: 2090:. Retrieved 2086:the original 2076: 2065:. Retrieved 2051: 2040:. Retrieved 2038:. 1996-11-17 2030: 2013: 2007: 1980: 1976: 1966: 1917: 1913: 1902: 1891:. Retrieved 1887:the original 1882: 1873: 1856: 1850: 1807: 1803: 1761: 1755: 1734:. Retrieved 1711:. Retrieved 1706: 1697: 1652: 1648: 1638: 1593: 1587: 1531: 1527: 1501: 1497: 1491: 1448: 1444: 1412: 1408: 1356: 1352: 1312: 1308: 1302: 1259: 1258:(abstract). 1253: 1188: 1184: 1178: 1141: 1125:Solar analog 1096:PSR B1257+12 1075:Star systems 1021:b (Dimidium) 1019: 1003:Eccentricity 953:hot Jupiters 935: 911:Michel Mayor 909:astronomers 904: 878: 851: 840: 821: 818:Nomenclature 804: 788: 770:(5,298  764:chromosphere 743: 741: 734: 715:(designated 648: 644: 640: 639: 627: 613: 599: 564: 8729, 518: 506: 502: 497: 478: 463: 441: 426: 421: 394: 371: 351: 321: 300: 284: 249: 232: 4368:Q2343-BX418 3891:HD 209458 b 3810:Q2343-BX418 3795:PG 2303+243 3790:PG 2131+066 3750:BD +28 4211 3745:BD +17 4708 2598:υ (Alkarab) 2508:γ (Algenib) 1091:70 Virginis 1008:Inclination 937:51 Pegasi b 893:51 Pegasi b 854:Switzerland 828:Bellerophon 784:metallicity 735:The star's 717:51 Pegasi b 697:light-years 560: 882, 552:Helvetios, 470:+0.20  465:Metallicity 443:Temperature 212:color index 201:color index 96:Declination 4473:Categories 4394:Abell 2390 3947:Messier 15 3942:Balbinot 1 3886:TOI-5678 b 3863:Exoplanets 2503:β (Scheat) 2498:α (Markab) 2234:"51_peg_b" 2219:2019-10-09 2142:2018-09-27 2117:2018-09-27 2092:2018-09-27 2067:2018-09-27 2042:2018-09-27 1893:2012-01-16 1713:2011-12-17 1662:1611.02897 1458:1607.01279 1415:(99): 99. 1198:2208.00211 1151:References 1101:Tau Boötis 800:star spots 723:Properties 568:+19°5036, 433:4.33  425:(log  396:Luminosity 222:Astrometry 191: (K) 180: (H) 169: (J) 158: (I) 147: (R) 136: (B) 4440:SN 2013fs 4435:SN 2008ha 3896:HR 8799 b 3840:X2127+119 2623:Flamsteed 2533:θ (Biham) 2528:η (Matar) 2523:ζ (Homam) 2408:51 Pegasi 2399:3 October 2364:119067572 2289:CiteSeerX 2276:1211.2002 2214:0013-0613 1942:1476-4687 1842:118626420 1817:0911.4862 1689:119511744 1655:(1): 19. 1603:1006.4121 1566:118361131 1541:0911.0760 1269:0901.1206 1225:244398875 1086:55 Cancri 964:Companion 919:exoplanet 862:Helvetian 860:for "the 845:launched 810:−30 731:51 Pegasi 713:exoplanet 649:Helvetios 641:51 Pegasi 109: (V) 4460:Category 4430:SN 1990U 4282:NGC 7753 4277:NGC 7752 3990:Galaxies 3927:clusters 3876:WASP-10b 3845:3C 454.3 2975:Variable 2593:τ (Salm) 2518:ε (Enif) 2311:38743202 1950:22722196 1483:54765864 1391:55896673 1294:18370219 1065:See also 791:variable 480:Rotation 414:☉ 387:☉ 364:☉ 325: (M 302:Distance 286:Parallax 64:J2000.0 4348:IC 5337 4343:IC 5145 4328:CTA-102 3976:Pease 1 3961:Nebulae 3830:WASP-59 3815:WASP-10 3770:HAT-P-8 2344:Bibcode 2281:Bibcode 2186:28 July 2018:Bibcode 1985:Bibcode 1958:4427321 1922:Bibcode 1861:Bibcode 1822:Bibcode 1786:4339201 1766:Bibcode 1736:28 July 1667:Bibcode 1630:6708869 1608:Bibcode 1546:Bibcode 1506:Bibcode 1463:Bibcode 1451:: A89. 1417:Bibcode 1371:Bibcode 1317:Bibcode 1315:: 245. 1274:Bibcode 1203:Bibcode 941:Jupiter 874:Jupiter 836:Pegasus 762:of the 705:Pegasus 701:parsecs 691:, is a 342:Details 75:Pegasus 62:Equinox 3785:NGC 30 3780:NGC 18 3765:Gl 880 3760:Gl 829 3755:GD 246 3724:225292 3719:221493 3714:221170 3709:220773 3704:220288 3699:219828 3694:219196 3689:215733 3684:215549 3679:213025 3674:211076 3669:210890 3664:209709 3659:208897 3654:206793 3649:206689 3644:205603 3639:205422 3634:205011 3629:204603 2964:34 Vul 2957:23 Psc 2362:  2309:  2291:  2242:. 1995 2212:  2162:22 May 1956:  1948:  1940:  1914:Nature 1840:  1784:  1757:Nature 1707:SIMBAD 1687:  1628:  1564:  1481:  1389:  1292:  1235:VizieR 1223:  1191:: A1. 1142: 1131:Portal 1029:  1013:Radius 927:France 866:Celtic 699:(15.5 645:51 Peg 628:ARICNS 601:SIMBAD 554:51 Peg 532:  455:  408:  381:  373:Radius 216:+0.67 205:+0.20 4323:BX442 4316:Other 4172:7320c 3969:Other 3935:Other 3775:NGC 8 3733:Other 2490:Bayer 2481:Stars 2360:S2CID 2334:arXiv 2307:S2CID 2271:arXiv 2181:(PDF) 2016:: 0. 1954:S2CID 1838:S2CID 1812:arXiv 1782:S2CID 1691:. 21. 1685:S2CID 1657:arXiv 1626:S2CID 1598:arXiv 1562:S2CID 1536:arXiv 1479:S2CID 1453:arXiv 1387:S2CID 1361:arXiv 1290:S2CID 1264:arXiv 1229: 1221:S2CID 1193:arXiv 907:Swiss 870:Latin 858:Latin 449:5,768 270:Dec.: 194:3.91 183:4.23 172:4.66 139:6.16 128:G2IV 113:5.49 58:Epoch 4307:7814 4302:7800 4297:7773 4292:7769 4287:7767 4272:7742 4267:7741 4262:7735 4257:7726 4252:7720 4247:7678 4242:7674 4237:7673 4232:7625 4227:7619 4222:7610 4217:7479 4212:7469 4207:7466 4202:7457 4197:7454 4192:7448 4187:7427 4182:7332 4177:7331 4167:7320 4162:7319 4157:7318 4152:7317 4147:7315 4142:7312 4137:7303 4132:7237 4127:7236 4122:7217 4117:7190 4112:7085 4107:7074 4102:7068 4097:7066 4092:7056 4087:7053 4082:7043 4077:7042 4072:7034 4067:7033 3925:Star 3606:9109 3601:9078 3596:9055 3591:9039 3586:8970 3581:8953 3576:8942 3571:8922 3566:8873 3561:8839 3556:8838 3551:8833 3546:8831 3541:8824 3536:8792 3531:8788 3526:8784 3521:8737 3516:8642 3511:8638 3506:8631 3501:8608 3496:8605 3491:8604 3486:8587 3481:8564 3476:8555 3471:8543 3466:8514 3461:8503 3456:8491 3451:8482 3446:8475 3441:8466 3436:8461 3431:8460 3426:8458 3421:8456 3416:8455 3411:8441 3406:8435 3401:8415 3396:8412 3391:8397 3386:8391 3381:8372 3376:8364 3371:8359 3366:8358 3361:8348 3356:8341 3351:8325 3346:8292 3341:8274 3336:8258 3331:8257 3326:8250 3321:8231 3316:8221 3311:8219 3306:8116 3278:V391 3273:V376 3268:V372 3263:V363 3258:V354 3253:V343 3248:V342 2401:2011 2248:2012 2210:ISSN 2188:2016 2164:2016 1946:PMID 1938:ISSN 1738:2016 1179:Gaia 996:days 972:Mass 913:and 633:data 621:data 607:data 578:GCTP 492:days 486:21.9 406:0.02 402:1.36 353:Mass 333:4.48 210:B−V 199:U−B 161:4.7 150:5.0 3999:NGC 3624:434 2352:doi 2330:646 2299:doi 2267:334 2061:IAU 1993:doi 1981:457 1930:doi 1918:486 1830:doi 1808:508 1774:doi 1762:378 1675:doi 1653:153 1616:doi 1594:408 1554:doi 1532:508 1502:326 1471:doi 1449:591 1379:doi 1357:125 1325:doi 1282:doi 1260:694 1233:at 1211:doi 1189:674 925:in 838:). 780:Sun 586:HIP 582:SAO 574:LTT 534:Gyr 530:0.6 526:6.1 520:Age 490:0.4 472:dex 435:cgs 294:mas 288:(π) 274:mas 262:mas 258:RA: 253:(μ) 4475:: 4062:52 4057:42 4052:41 4047:26 4042:23 4037:22 4032:16 4027:15 4022:14 3616:HD 3301:49 3296:19 3288:HR 3243:PT 3238:OY 3233:NZ 3228:NV 3223:MT 3218:MS 3213:LS 3208:LO 3203:LL 3198:KU 3193:KT 3188:IP 3183:IM 3178:IK 3173:II 3168:HX 3163:HR 3158:HP 3153:HO 3148:HN 3143:GX 3138:GT 3133:EZ 3128:EQ 3123:EF 3118:EE 3113:DY 3108:DI 3103:DH 3098:BY 3093:BX 3088:BP 3083:BO 3078:BK 3073:BH 3068:BB 3063:AW 3058:AV 3053:AU 3048:AT 3043:AQ 3038:AG 3033:TY 3028:TW 3023:SV 3018:RZ 3013:RV 3008:RU 2951:87 2946:86 2941:85 2936:83 2931:82 2926:80 2921:79 2916:78 2911:77 2906:76 2901:75 2896:74 2891:73 2886:72 2881:71 2876:70 2871:69 2866:67 2861:66 2856:65 2851:64 2846:63 2841:61 2836:60 2831:59 2826:58 2821:57 2816:56 2811:55 2806:52 2796:45 2791:41 2786:40 2781:39 2776:38 2771:37 2766:36 2761:35 2756:34 2751:33 2746:32 2741:31 2736:30 2731:28 2726:25 2721:23 2716:21 2711:20 2706:19 2701:18 2696:17 2691:16 2686:15 2681:14 2676:13 2671:12 2666:11 2385:. 2358:. 2350:. 2342:. 2328:. 2305:. 2297:. 2287:. 2279:. 2265:. 2236:. 2204:. 1991:. 1979:. 1975:. 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1832:: 1824:: 1814:: 1788:. 1776:: 1768:: 1740:. 1716:. 1677:: 1669:: 1659:: 1632:. 1618:: 1610:: 1600:: 1568:. 1556:: 1548:: 1538:: 1512:. 1508:: 1485:. 1473:: 1465:: 1455:: 1423:. 1419:: 1413:4 1393:. 1381:: 1373:: 1363:: 1331:. 1327:: 1319:: 1296:. 1284:: 1276:: 1266:: 1237:. 1227:. 1213:: 1205:: 1195:: 1177:" 1035:J 1032:M 998:) 994:( 985:) 981:( 768:K 687:/ 684:s 681:ə 678:i 675:ʃ 669:v 666:ˈ 663:l 660:ɛ 657:h 654:/ 528:± 509:) 507:i 503:v 501:( 488:± 457:K 453:8 451:± 429:) 427:g 411:L 404:± 384:R 361:M 329:) 327:V 316:) 276:/ 264:/ 240:) 238:v

Index

51 Pegasi is located in 100x100
Epoch
Equinox
Constellation
Pegasus
Right ascension
Declination
Apparent magnitude
Spectral type
Apparent magnitude
Apparent magnitude
Apparent magnitude
Apparent magnitude
Apparent magnitude
Apparent magnitude
color index
color index
Astrometry
Radial velocity
Proper motion
mas
yr
mas
yr
Parallax
mas
Distance
ly
pc
Absolute magnitude

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