27:
774:
765:. The planet is at most the mass of Jupiter, orbiting every 6.5 days at a distance of 12 million km. HD 202956 b has a very circular orbit. The system is roughly 399 light years from us.
863:, respectively. The surface temperature is about 5,054 K (4,781 °C). The star is 11.6 times brighter than the Sun. The star's age is estimated at 2.3 billion years.
941:"Retired A Stars and Their Companions. VIII. 15 New Planetary Signals around Subgiants and Transit Parameters for California Planet Search Planets with Subgiant Hosts"
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The name HD 102956 derives directly from the fact that the star is the 102,956th star catalogued in the
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The star is one of the 2.5 million brightest stars in the sky and is part of the
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785:. The designation of b is given to the first planet orbiting a given star.
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project where it was designated as the planet that will be named by
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1016:
Data
Release 2: Summary of the contents and survey properties"
690:
159:
745:
discovered in 2010 by a team of
American astronomers led by
431:
411:
240:
805:
938:
882:
885:"A Hot Jupiter Orbiting the 1.7 M☉ Subgiant HD 102956"
1126:
1010:; et al. (Gaia collaboration) (August 2018).
804:In 2019 this planet was announced as part of the
16:Extrasolar planet in the constellation Ursa Major
1159:
1089:Centre de données astronomiques de Strasbourg
878:
876:
792:. It is not visible to the naked eye with an
768:
320:+57° 38′ 26.6427″
777:HD 102956 is located inside the Big Dipper.
761:. HD 102956 b is in the orbit of host star
1002:
1000:
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934:
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25:
1134:"Rymddikt gav namn åt Sveriges exoplanet"
1053:
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883:Johnson, John Asher; et al. (2010).
280:J2000
1136:(in Swedish). 2019-12-17. Archived from
1101:
772:
991:
929:
395:
1183:Exoplanets detected by radial velocity
1160:
1071:
1006:
939:Luhn, Jacob K.; et al. (2019).
1109:"Name an exoplanet (press release)"
415:
13:
14:
1199:
889:The Astrophysical Journal Letters
799:
1062:Gaia DR2 record for this source
845:with a mass and radius of 1.68
446:8.1753 ± 0.0290
31:Artist's impression HD 102956 b
1:
1168:Exoplanets discovered in 2010
866:
1188:Exoplanets with proper names
1111:. 2019-06-06. Archived from
1021:Astronomy & Astrophysics
922:10.1088/2041-8205/721/2/L153
832:
7:
1055:10.1051/0004-6361/201833051
815:. The winning proposal was
188:Argument of perihelion
10:
1204:
769:Discovery and nomenclature
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135:Orbital period (sidereal)
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36:
24:
976:10.3847/1538-3881/aaf5d0
945:The Astronomical Journal
235:Physical characteristics
1045:2018A&A...616A...1G
477:Absolute magnitude
331:Evolutionary stage
160:Time of perihelion
90:Orbital characteristics
819:, from Nobel laureate
778:
776:
562:Luminosity (visual, L
783:Henry Draper catalog
751:Doppler spectroscopy
83:Doppler spectroscopy
20:HD 102956 b / Isagel
967:2019AJ....157..149L
912:2010ApJ...721L.153J
700:Database references
636:Rotational velocity
271:
67:Discovery date
56:Discovery site
21:
794:apparent magnitude
779:
686: 3839-00846-1
660:Other designations
466:(122.3 ± 0.4
343:Spectral type
269:
43:Discovered by
19:
790:Tycho-2 Catalogue
743:extrasolar planet
732:
731:
721:Exoplanet Archive
693:J11512253+5738267
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895:(2): L153–L157.
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77:Detection method
61:Keck Observatory
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1008:Brown, A. G. A.
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823:'s space poem
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1173:Giant planets
1171:
1169:
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1140:on 2020-01-12
1139:
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1115:on 2019-06-08
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809:NameExoWorlds
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800:NameExoWorlds
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389:Proper motion
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336:Main sequence
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309:11 51 22.5111
307:
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290:Constellation
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28:
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1154:
1142:. Retrieved
1138:the original
1128:
1117:. Retrieved
1113:the original
1103:
1092:. Retrieved
1082:
1073:
1025:
1019:
1013:
948:
944:
892:
888:
838:
836:
824:
816:
803:
787:
780:
747:John Johnson
738:
734:
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719:
705:
643:
639:
634:
612:
590:
561:
534:
507:
475:
454:
438:
387:
363:
252:
118:Eccentricity
108:0.0073
48:
1079:"HD 102956"
837:HD 102956 (
735:HD 102956 b
614:Metallicity
592:Temperature
316:Declination
250:0.023
1178:Ursa Major
1162:Categories
1144:2021-08-10
1119:2019-06-13
1094:2019-09-21
1035:1804.09365
958:1811.03043
951:(4). 149.
867:References
382: km/s
353:Astrometry
295:Ursa Major
270:HD 102956
177:0.64
985:102486961
902:1007.4555
833:Host star
763:HD 102956
229:HD 102956
216:1.8
198:33 º
37:Discovery
860:☉
854:and 4.4
851:☉
843:subgiant
753:and the
671:+58 1340
583:☉
554:☉
527:☉
479: (M
456:Distance
440:Parallax
47:Johnson
1040:Bibcode
963:Bibcode
907:Bibcode
498:Details
420:−17.578
282:Equinox
152: d
1084:SIMBAD
1066:VizieR
1028:. A1.
983:
839:Aniara
826:Aniara
817:Isagel
813:Sweden
796:of 8.
759:Hawaii
749:using
741:is an
739:Isagel
707:SIMBAD
626:
604:
577:
548:
536:Radius
521:
426:
418:
406:
400:−11.24
398:
284:J2000
246:≥0.960
104:0.0807
49:et al.
1060:
1030:arXiv
981:S2CID
953:arXiv
897:arXiv
691:2MASS
620:+0.19
424:0.049
416:Dec.:
404:0.049
278:Epoch
148:0.000
141:6.494
127:0.019
123:0.037
1014:Gaia
727:data
713:data
624:0.04
598:5054
571:11.6
519:0.11
515:1.68
509:Mass
241:Mass
225:Star
212:74.6
70:2010
1064:at
1050:doi
1026:616
971:doi
949:157
917:doi
893:721
806:IAU
757:in
737:or
684:TYC
679:SAO
675:HIP
628:dex
575:0.5
546:0.1
542:4.4
488:2.5
448:mas
442:(π)
428:mas
408:mas
396:RA:
391:(μ)
376:−25
218:m/s
194:301
173:.45
171:351
168:455
1164::
1087:.
1081:.
1048:.
1038:.
1024:.
1018:.
993:^
979:.
969:.
961:.
947:.
943:.
931:^
915:.
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891:.
887:.
875:^
829:.
688:,
673:,
669:BD
602:44
468:pc
463:ly
432:yr
412:yr
380:83
367:(R
347:A
179:JD
150:19
143:70
110:AU
1147:.
1122:.
1097:.
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644:i
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638:(
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606:K
600:±
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564:V
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430:/
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
