Liste d'étoiles de la Petite Ourse

Cet article recense les étoiles situées dans la constellation de la Petite Ourse, classées par magnitude apparente décroissante.

Liste

Nom B F Var HD HIP a dec Mag. app. Mag. abs. Dist. (al) Type Notes
Polarisα188901176702h 31m 47,08s+89° 15 50,91,97−3,64431F7:Ib-IIv SBÉtoile polaire, Lodestar, Alruccabah, Cynosura, Phoenice, Tramontana, Navigatoria, Yilduz, Mismar, Polyarnaya ; céphéide
β UMiβ71318737260714h 50m 42,40s+74° 09 19,72,07−0,87126K4IIIvarKochab, Kokab, Kochah ; variable suspectée ; possède une exoplanète (b)
γ UMiγ131374227509715h 20m 43,75s+71° 50 02,33,00−2,84480A3II-IIIPherkad, Pherkad Major ; variable de type δ Sct
ε UMiε221537518208016h 45m 58,16s+82° 02 14,14,21−0,92346G5IIIvarUrodelus ; variable de type RS CVn
5 UMi51277007069214h 27m 31,52s+75° 41 45,44,25−0,87345K4III
ζ UMiζ161421057705515h 44m 03,46s+77° 47 40,24,29−1,02376A3VnAlifa al Farkadain
δ UMiδ231662058582217h 32m 12,90s+86° 35 10,84,350,61183A1VnYildun, Gildun, Vildiur, Yilduz, Pherkard
RR UMiRR1328137319914h 57m 35,12s+65° 55 56,64,63−0,80398M5IIIÉtoile variable semi-régulière
4 UMi41245476911214h 08m 51,01s+77° 32 50,84,80−1,13500K3III
η UMiη211480487982216h 17m 30,50s+75° 45 16,94,952,5897F5VAnwar al Farkadain, Alasco
θ UMiθ151396697600815h 31m 25,05s+77° 20 57,65,00−2,03832K5IIIVariable suspectée
11 UMi111367267479315h 17m 05,88s+71° 49 26,05,02−0,37389K4IIIPherkad Minor ; possède une exoplanète
1360647460515h 14m 38,00s+67° 20 51,65,153,1383F9IV
1247306937314h 12m 04,05s+69° 25 57,65,18−0,50445M2IIIÉtoile variable
19 UMi191469267928016h 10m 49,53s+75° 52 39,15,48−1,07665B8V
HD 1189041189046643513h 37m 11,05s+71° 14 32,25,500,05400K2IIIPossède une exoplanète
1496818048016h 25m 43,53s+78° 57 49,05,552,42138F0V
1330027257314h 50m 19,63s+82° 30 45,05,632,45141F9V
1402277651915h 37m 39,21s+69° 16 59,65,65−1,51881M0III
1456227866116h 03m 31,40s+76° 47 38,05,73−0,53581A3V
HD 1589961589968476917h 19m 37,05s+80° 08 11,05,74−1,67991K5IIIPossède une exoplanète
24 UMi241669268569917h 30m 46,97s+86° 58 04,95,782,38156A2m
1171876553613h 26m 08,02s+72° 23 29,45,82−1,631009M1III
HD 1200841200846690313h 42m 39,38s+78° 03 51,65,910,96318G7IIIPossède une exoplanète
1523038185416h 43m 06,14s+77° 30 48,55,993,21117F4V
1473217960116h 14m 33,47s+73° 23 41,36,02−0,78748A3V
VX UMiVX1551548331717h 01m 40,08s+75° 17 51,66,172,91146F0IVnVariable de type γ Dor
1353847427215h 10m 44,40s+67° 46 51,86,180,23504A8Vn
1339947370615h 03m 57,73s+65° 55 11,06,220,45464A2Vs
UY UMiUY1071925976712h 15m 20,67s+87° 42 00,06,272,93152F2VVariable de type γ Dor
1292457119614h 33m 38,62s+79° 39 36,86,270,52461K3III
λ UMiλ1830308453517h 16m 57,26s+89° 02 15,86,31−0,84876M1IIIVariable semi-régulière
1071135987912h 16m 49,35s+86° 26 09,06,333,34129F4V
1516238142816h 37m 52,81s+78° 55 06,86,330,81414G9III
1502758085016h 30m 39,08s+77° 26 45,16,350,87408K1III
20 UMi201471427942016h 12m 32,20s+75° 12 38,16,36−0,49765K2IV
1138896382213h 04m 49,78s+73° 01 29,86,431,01396F0V
3 UMi31240636895614h 06m 56,48s+74° 35 37,56,430,79438A7V
5914728301h 33m 48,52s+89° 00 56,66,461,49321A3V
π1 UMi Aπ11397777580915h 29m 11,97s+80° 26 54,06,574,8572G8IV-V+...
9 UMi91336217344015h 00m 27,71s+71° 45 54,96,644,00110G0
8 UMi81330867313614h 56m 48,32s+74° 54 03,36,830,95489K0Possède une exoplanète
17 UMi171438037794215h 55m 01,10s+75° 34 27.456,880,47611G5III
π2 UMiπ2181416527669515h 39m 38,72s+79° 58 59,26,891,54384F2
HD 1507061507068090216h 31m 17,59s+79° 47 23,27,024,8592G3VPossède une exoplanète
U UMiU1255566981614h 17m 19,90s+66° 47 39,27,10858M6-8eVariable de type Mira
12 UMi121367277480615h 17m 16,81s+71° 12 40.187,261,13581F8Étoile triple
π1 UMi Bπ11398137582915h 29m 24,36s+80° 27 00,07,305,6271G5
14 UMi141376867515215h 21m 30,52s+73° 28 35,17,383,51194F5
6 UMi61308347218114h 45m 51,11s+71° 57 58,147,500,87833A5
S UMiS1394927584715h 29m 34,57s+78° 38 00,37,51280M6.5-7.5eVariable de type Mira
10 UMi101345847380815h 05m 07,29s+73° 53 30.737,571,69430A0
V UMiV1192276656213h 38m 41,07s+74° 18 36,37,811280M...Variable semi-regulière
W UMiW1502657906916h 08m 27,28s+86° 11 59,68,651350A2VVariable de type Algol
RU UMiRU13h 38m 56,81s+69° 48 11,210,24932A2Variable de type β Lyr
Z UMiZ15h 02m 01,48s+83° 03 48,711,40CVariable de type R CrB
T UMiT11855613h 34m 41,12s+73° 25 53,011,46M6eVariable de type Mira
SS UMiSS15h 51m 22,34s+71° 45 11,912,6CVVariable de type SU UMa
WD 1337+7056657813h 38m 50,48s+70° 17 07,712,7785,14DA2.4Naine blanche
H1504+6515h 02m 09,62s+66° 12 18,615,91590DZ...Possible pré-naine blanche
Calvera14h 12m 56,0s+79° 22 04625Pulsar
RW UMiRW16h 47m 54,75s+77° 02 12,2Variable de type DQ Her
WISE 1506+702715h 06m 49,89s+70° 27 36,211,1T6Naine brune

Voir aussi

Liens internes

Sources

  • Portail de l’astronomie
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