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Solar apex

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For more than 30 years before 1986 the speed of the Sun towards the solar apex was taken to be about 20 km/s but all later studies give a smaller component in the vector toward
499: 563:(1783). "On the Proper Motion of the Sun and Solar System; With an Account of Several Changes That Have Happened among the Fixed Stars since the Time of 443: 343: 743:"Calculation of the local standard of rest from 20 574 local stars in the New Hipparcos Reduction with known radial velocities" 950: 161:
is not confined to the galactic plane; it also shifts ("bobs") up and down with respect to the plane over millions of years.
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Many calculations of the solar apex have been published as new catalogues of stars were published. The catalog from the
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Kogut, A.; et al. (1993). "Dipole Anisotropy in the COBE Differential Microwave Radiometers First-Year Sky Maps".
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The movement of stars around the apex (left) and antapex (right) in ± 500 000 years. To view this picture you need
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The movement of stars between apex and antapex. To view this picture you need 3D glasses (red-green or red-blue).
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The movement of stars of spectral classes B and A around the apex (left) and antapex (right) in ± 200 000 years.
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The movement of stars around the antapex. To view this picture you need 3D glasses (red-green or red-blue).
800:"The local standard of rest from data on young objects with account for the Galactic spiral density wave" 244:
The movement of stars around the apex. To view this picture you need 3D glasses (red-green or red-blue).
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itself is subject issues due to inhomogeneous stellar velocities and high sensitivity to parameters.
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Three Hundred and Sixty Five Starry Nights: An Introduction to Astronomy for Every Night of the Year
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90°, reducing overall speed to about 13.4 km/s. This speed is not to be confused with the
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lead to a new set of values. These two results do not agree. The calculation of the
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in 1783, who also first determined the direction for the solar apex, as
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Hoskin, Michael (1980), "Herschel's Determination of the Solar Apex",
588: 143:, which is about 220 km/s and is included in the movement of the 204:, the direction opposite of the solar apex, is located near the star 181: 76: 169:
The nature and extent of the solar motion was first demonstrated by
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Direction the Sun travels relative to local standard of rest
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Philosophical Transactions of the Royal Society of London
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Fehrenbach, Ch.; Duflot, M.; Burnage, R. (April 2001).
693: 508:. Vol. 88, no. 1. p. 52. Archived from 870: 741:Francis, Charles; Anderson, Erik (1 October 2009). 524: 217:Animations of star motions around apex and antapex 804:Monthly Notices of the Royal Astronomical Society 659:Monthly Notices of the Royal Astronomical Society 444:Monthly Notices of the Royal Astronomical Society 344:Monthly Notices of the Royal Astronomical Society 942: 798:Bobylev, V. V.; Bajkova, A. T. (21 April 2014). 740: 329: 797: 439:"Local Stellar Kinematics from Hipparcos Data" 432: 184:astrometric satellite and measurements with 177:, 10° away from today's accepted position. 120:The solar apex is in the constellation of 825: 815: 758: 670: 516: 474: 456: 388: 364: 58: 38: 559: 522: 75: 553: 431:10.0, 5.25 and 7.17 km/s respectively, 14: 943: 652: 609: 497: 842: 696:"New determination of the solar apex" 603: 527:History of Astronomy: An Encyclopedia 500:"The Galactic Environment of the Sun" 372: 302: 108:, which is an illusion caused by the 612:Journal for the History of Astronomy 157:our spiral arm's orbital speed. The 92:, refers to the direction that the 24: 25: 967: 928: 916: 904: 892: 880: 476:10.1046/j.1365-8711.1998.01600.x 261: 249: 237: 221: 195: 60: 40: 791: 734: 655:"An Abstract on the Solar Apex" 653:Walkey, O. R. (1 August 1946). 371:See also Table 3 on page 13 of 687: 646: 491: 421: 339:"Review of Galactic Constants" 323: 296: 31: 13: 1: 428: 289: 159:Sun's motion in the Milky Way 951:Dynamics of the Solar System 777:10.1016/j.newast.2009.03.004 700:Astronomy & Astrophysics 115: 96:travels with respect to the 7: 427:U, V, and W (vectors) are 273: 10: 972: 720:10.1051/0004-6361:20010100 632:10.1177/002182868001100301 498:Frisch, Priscilla (2000). 211: 164: 280:Manuel Foster Observatory 956:Hercules (constellation) 854:stars.astro.illinois.edu 366:10.1093/mnras/221.4.1023 232:(red-green or red-blue). 712:2001A&A...369...65F 672:10.1093/mnras/106.4.274 523:Lankford, John (1997). 581:10.1098/rstl.1783.0017 190:local standard of rest 145:Local standard of rest 139:of the Sun around the 98:local standard of rest 81: 376:Astrophysical Journal 90:apex of the Sun's way 79: 827:10.1093/mnras/stu563 533:Taylor & Francis 512:on 24 November 2007. 303:Raymo, Chet (1990). 769:2009NewA...14..615F 624:1980JHA....11..153H 467:1998MNRAS.298..387D 399:1993ApJ...419....1K 357:1986MNRAS.221.1023K 335:Lynden-Bell, Donald 505:American Scientist 206:Zeta Canis Majoris 133:galactic longitude 82: 561:Herschel, William 74: 73: 16:(Redirected from 963: 933: 932: 931: 921: 920: 919: 909: 908: 907: 897: 896: 885: 884: 883: 876: 865: 864: 862: 860: 846: 840: 839: 829: 819: 795: 789: 788: 762: 738: 732: 731: 691: 685: 684: 674: 650: 644: 643: 607: 601: 600: 557: 551: 550: 530: 520: 514: 513: 495: 489: 488: 478: 460: 458:astro-ph/9710077 435:Binney, James J. 433:Dehnen, Walter; 430: 425: 419: 418: 392: 390:astro-ph/9312056 370: 368: 351:(4): 1023–1038. 327: 321: 320: 300: 265: 253: 241: 225: 186:objective prisms 171:William Herschel 156: 155: 151: 69: 64: 49: 44: 32: 21: 971: 970: 966: 965: 964: 962: 961: 960: 941: 940: 939: 929: 927: 917: 915: 905: 903: 891: 881: 879: 871: 869: 868: 858: 856: 848: 847: 843: 796: 792: 739: 735: 692: 688: 651: 647: 608: 604: 558: 554: 547: 521: 517: 496: 492: 426: 422: 337:(August 1986). 328: 324: 317: 301: 297: 292: 276: 269: 266: 257: 254: 245: 242: 233: 226: 214: 198: 175:Lambda Herculis 167: 153: 149: 148: 141:Galactic Center 118: 67: 65: 47: 45: 28: 23: 22: 15: 12: 11: 5: 969: 959: 958: 953: 938: 937: 925: 913: 901: 889: 867: 866: 841: 810:(1): 142–149. 790: 753:(7): 615–629. 733: 686: 665:(4): 274–279. 645: 618:(3): 153–163, 602: 552: 545: 515: 490: 451:(2): 387–394. 420: 407:10.1086/173453 331:Kerr, Frank J. 322: 315: 309:. Touchstone. 294: 293: 291: 288: 287: 286: 284:W. W. Campbell 275: 272: 271: 270: 267: 260: 258: 255: 248: 246: 243: 236: 234: 227: 220: 218: 213: 210: 197: 194: 166: 163: 124:near the star 117: 114: 102:constellations 72: 71: 57: 56: 55:Solar antapex 52: 51: 37: 36: 26: 9: 6: 4: 3: 2: 968: 957: 954: 952: 949: 948: 946: 936: 926: 924: 914: 912: 902: 900: 895: 890: 888: 878: 877: 874: 855: 851: 845: 837: 833: 828: 823: 818: 813: 809: 805: 801: 794: 786: 782: 778: 774: 770: 766: 761: 756: 752: 748: 747:New Astronomy 744: 737: 729: 725: 721: 717: 713: 709: 705: 701: 697: 690: 682: 678: 673: 668: 664: 660: 656: 649: 641: 637: 633: 629: 625: 621: 617: 613: 606: 598: 594: 590: 586: 582: 578: 574: 570: 566: 565:Mr. Flamstead 562: 556: 548: 546:0-8153-0322-X 542: 538: 534: 529: 528: 519: 511: 507: 506: 501: 494: 486: 482: 477: 472: 468: 464: 459: 454: 450: 446: 445: 440: 436: 424: 416: 412: 408: 404: 400: 396: 391: 386: 382: 378: 377: 367: 362: 358: 354: 350: 346: 345: 340: 336: 332: 326: 318: 316:9780671766061 312: 308: 307: 299: 295: 285: 281: 278: 277: 264: 259: 252: 247: 240: 235: 231: 224: 219: 216: 215: 209: 207: 203: 202:solar antapex 196:Solar antapex 193: 191: 187: 183: 178: 176: 172: 162: 160: 146: 142: 138: 137:orbital speed 134: 129: 127: 123: 113: 111: 110:Earth's orbit 107: 103: 99: 95: 91: 87: 78: 63: 59: 54: 53: 43: 39: 34: 33: 30: 19: 18:Solar antapex 935:Solar System 857:. Retrieved 853: 844: 807: 803: 793: 750: 746: 736: 706:(1): 65–73. 703: 699: 689: 662: 658: 648: 615: 611: 605: 572: 568: 555: 526: 518: 510:the original 503: 493: 448: 442: 423: 380: 374: 348: 342: 325: 305: 298: 201: 199: 179: 168: 130: 119: 89: 85: 83: 29: 923:Outer space 911:Spaceflight 70:(dec) 30°S 50:(dec) 30°N 35:Solar apex 945:Categories 575:: 247–83. 535:. p.  290:References 230:3D glasses 86:solar apex 887:Astronomy 836:1365-2966 817:1404.6987 785:1384-1076 760:0812.4032 728:0004-6361 681:0035-8711 640:115478560 597:186213288 415:209835274 182:Hipparcos 116:Direction 88:, or the 485:15936627 437:(1998). 274:See also 122:Hercules 873:Portals 850:"Furud" 765:Bibcode 708:Bibcode 620:Bibcode 463:Bibcode 395:Bibcode 353:Bibcode 212:Gallery 165:History 152:⁄ 104:of the 48:18 28 0 859:26 May 834:  783:  726:  679:  638:  595:  589:106492 587:  543:  483:  413:  313:  106:zodiac 68:6 28 0 899:Stars 812:arXiv 755:arXiv 636:S2CID 593:S2CID 585:JSTOR 481:S2CID 453:arXiv 411:S2CID 385:arXiv 383:: 1. 66:(RA) 46:(RA) 861:2024 832:ISSN 781:ISSN 724:ISSN 677:ISSN 541:ISBN 311:ISBN 200:The 126:Vega 84:The 822:doi 808:441 773:doi 716:doi 704:369 667:doi 663:106 628:doi 577:doi 567:". 537:258 471:doi 449:298 403:doi 381:419 361:doi 349:221 94:Sun 947:: 852:. 830:. 820:. 806:. 802:. 779:. 771:. 763:. 751:14 749:. 745:. 722:. 714:. 702:. 698:. 675:. 661:. 657:. 634:, 626:, 616:11 614:, 591:. 583:. 573:73 571:. 539:. 502:. 479:. 469:. 461:. 447:. 441:. 429:c. 409:. 401:. 393:. 379:. 359:. 347:. 341:. 333:; 208:. 154:13 128:. 112:. 875:: 863:. 838:. 824:: 814:: 787:. 775:: 767:: 757:: 730:. 718:: 710:: 683:. 669:: 642:. 630:: 622:: 599:. 579:: 549:. 487:. 473:: 465:: 455:: 417:. 405:: 397:: 387:: 369:. 363:: 355:: 319:. 150:1 20:)

Index

Solar antapex



Sun
local standard of rest
constellations
zodiac
Earth's orbit
Hercules
Vega
galactic longitude
orbital speed
Galactic Center
Local standard of rest
Sun's motion in the Milky Way
William Herschel
Lambda Herculis
Hipparcos
objective prisms
local standard of rest
Zeta Canis Majoris
The movement of stars around the apex (left) and antapex (right) in ± 500 000 years. To view this picture you need 3D glasses (red-green or red-blue).
3D glasses
The movement of stars around the apex. To view this picture you need 3D glasses (red-green or red-blue).
The movement of stars around the antapex. To view this picture you need 3D glasses (red-green or red-blue).
The movement of stars between apex and antapex. To view this picture you need 3D glasses (red-green or red-blue).
Manuel Foster Observatory
W. W. Campbell
Three Hundred and Sixty Five Starry Nights: An Introduction to Astronomy for Every Night of the Year

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