Grande Ourse

Grande Ourse

Nom latin : Ursa Major (UMa)

Principales étoiles

 

Nom1Nom Traditionnel2Numéros catalogues3CoordonnéesMag.Dist4
pc.
Notes
HIPHDSAORAJ2000
« h:m:s »
DEJ2000
« d:m:s »
77 Epsilon Ursae Majoris
Alioth
629561121852855312 54 01.750+55 57 35.361.76 25.31
50 Alpha Ursae Majoris
Dubhe54061956891538411 03 43.672+61 45 03.721.81 37.66
85 Eta Ursae Majoris
Alkaid673011203154475213 47 32.438+49 18 47.761.85 31.87
79 Zeta Ursae Majoris
Mizar653781166562873713 23 55.543+54 55 31.302.23 23.96Multiple. A:2.3 B:4.0 AB:14,4″ Mizar-Alcor:12′
48 Beta Ursae Majoris
Merak53910954182787611 01 50.477+56 22 56.732.34 24.45
64 Gamma Ursae Majoris
Phad/ Phecda
580011032872817911 53 49.843+53 41 41.132.41 25.50
52 Psi Ursae Majoris54539968334362911 09 39.809+44 29 54.553.00 44.30
34 Mu Ursae Majoris
Tania Australis
50801897584331010 22 19.740+41 29 58.273.06 70.50
9 Iota Ursae Majoris
Talitha
441277664408 59 12.454+48 02 30.573.12 14.51
25 Theta Ursae Majoris468538232809 32 51.434+51 40 38.283.17 13.48
69 Delta Ursae Majoris
Megrez
597741065912831512 15 25.561+57 01 57.423.32 24.68
1 Omicron Ursae Majoris
Muscida
41704713691457308 30 15.871+60 43 05.413.35 54.91
33 Lambda Ursae Majoris
Tania Borealis
50372890214326810 17 05.783+42 54 51.683.45 42.10
54 Nu Ursae Majoris
Alula Borealis
55219982626248611 18 28.737+33 05 39.503.49122.34
12 Kappa Ursae Majoris44471773274266109 03 37.528+47 09 23.493.57109.49
23 h Ursae Majoris46733819371490809 31 31.709+63 03 42.703.65 23.81
63 chi Ursae Majoris
Alkaphrah573991022244388611 46 03.014+47 46 45.863.6956.30
29 Upsilon Ursae Majoris483198499909 50 59.357+59 02 19.453.78 35.64
53 ksi Ursae MajorisAlula Australis55203982306248411 18 11.24+31 31 50.83,79Double. A:4.3 B:4.8 AB:1,7″
80 g Ursae Majoris
Alcor654771168422875113 25 13.537+54 59 16.643.99 25.06Séparation Mizar-Alcor:12′
4 Pi-2 Ursae Majoris
Muscida42527731081461608 40 12.823+64 19 40.574.5978.45
3 Pi-1 Ursae Majoris
Muscida42438729051460908 39 11.704+65 01 15.275.6314.35
VY Ursae Majoris  52577 92839 1527410 45 04.031+67 24 40.99 5.95 372.32Étoile carbonée variable (5.87-7.0)

1Désignation de Bayer (lettre grecque associée à la constellation GGG CCC), désignation de Flamsteed (numéro devant constellation NN CCC) et / ou désignation HR (Harvard obs. Revised photometry HR NNNN)
2Un nom traditionnel peu usité est indiqué en italique
3Catalogues Hipparcos (HIP), Henry Drapper (HD), Smithsonian Astrophysical Obs. (SAO)
4Distances indiquées en parsec
En gras, étoile remarquable

Principaux objets du ciel profond

 

ObjetAutre nomType1RA
h:min
DEC
d:min
Mag2M.S3Dim
Notes
Cr 285AO12 03.0+58 000,41400′

Courant d’étoiles de la Grande Ourse

NGC 3031M 81GLX09 55.6+69 046,913,224.9×11.5′Galaxie de Bode
NGC 5457M 101GLX14 03.2+54 217,914,928.5×28.3′Galaxie du moulinet (Pinwheel)
NGC 3034M 82GLX09 55.9+69 418,412,510.5×5.1′Galaxie du cigare
Winnecke 4M 402STAR12 21.9+58 069Étoile double
NGC 2841UGC 4966GLX09 22.0+50 599,212,77.7×3.6′à 21′ de l’étoile HD80290 (SAO21215)
NGC 3184UGC 5557GLX10 18.3+41 259,813,97.6×7.4′à 46′ O de Mu CMa
NGC 3992M 109GLX11 57.6+53 229,813,67.5×4.4′à 39′ SE de Gam CMa
NGC 2768UGC 4821GLX09 11.6+60 029,913,78.2×5.3′
NGC 3077UGC 5398GLX10 03.3+68 449,913,15.2×4.7′0 46′ SE de M 81
NGC 3556M 108GLX11 11.5+55 401013,18.6×2.4′à 1,5° SE de Merak
NGC 3953UGC 6870GLX11 53.8+52 1910,113,46.9×3.6′
NGC 2976UGC 5221GLX09 47.2+67 5510,2136.2×3.1′
NGC 3675UGC 6439GLX11 26.1+43 3510,213,26.2×3.6′
NGC 4051UGC 7030GLX12 03.2+44 3210,213,35.3×4.4′
NGC 5322UGC 8745GLX13 49.2+60 1110,213,66×4.1′
NGC 2681UGC 4645GLX08 53.5+51 1910,312,83.7×3.7′
NGC 3198UGC 5572GLX10 19.9+45 3310,313,88.1×3′
NGC 3941UGC 6857GLX11 52.9+36 5910,312,53.5×2.5′
NGC 4605UGC 7831GLX12 40.0+61 3610,312,95.9×2.4′
NGC 2985UGC 5253GLX09 50.4+72 1710,413,34.6×3.4′
NGC 3631UGC 6360GLX11 21.0+53 1010,413,75×4.8′
NGC 3726UGC 6537GLX11 33.3+47 0210,413,86×4.1′
NGC 3938UGC 6856GLX11 52.8+44 0710,413,85.1×5′
NGC 3893UGC 6778GLX11 48.6+48 4310,5134.5×2.4′
NGC 3359UGC 5873GLX10 46.6+63 1310,614,27.5×4.2′
NGC 4088UGC 7081GLX12 05.6+50 3210,613,25.6×2.1′à 3° SO de 5 CVn
NGC 3898UGC 6787GLX11 49.3+56 0510,713,23.8×2.6′
NGC 3998UGC 6946GLX11 57.9+55 2710,712,52.7×2.3′
NGC 4036UGC 7005GLX12 01.5+61 5410,712,74×1.8′
NGC 5585UGC 9179GLX14 19.8+56 4410,713,95.8×3.6′
NGC 2787UGC 4914GLX09 19.3+69 1210,812,63.1×1.8′
IC 2574UGC 5666GLX10 28.4+68 2510,815,510.8×5.3′Galaxie de Coddington
NGC 3310UGC 5786GLX10 38.8+53 3010,812,82.8×2.6′Galaxie de l’archer. À 4,4° SO de Merak
NGC 3610UGC 6319GLX11 18.4+58 4710,812,82.5×2.5′
NGC 3665UGC 6426GLX11 24.7+38 4610,812,43.5×3′
NGC 3718UGC 6524GLX11 32.6+53 0410,814,48.2×3.5′
NGC 4026UGC 6985GLX11 59.4+50 5810,812,74.7×1.2′
NGC 5474UGC 9013GLX14 05.0+53 4010,813,95×4.5′
NGC 2950UGC 5176GLX09 42.6+58 5110,912,52.7×1.8′
NGC 3079UGC 5387GLX10 02.0+55 4110,913,48.1×1.3′
NGC 3613UGC 6323GLX11 18.6+58 0010,9133.6×2′
NGC 3945UGC 6860GLX11 53.2+60 4010,913,96.4×4.2′
NGC 4096UGC 7090GLX12 06.0+47 2910,913,46.5×1.8′
NGC 2805UGC 4936GLX09 20.3+64 061114,66.3×4.5′
NGC 3587M 97NP11 14.8+55 011112,1202×196″Le Hibou. À – de 1° de M 108
NGC 3877UGC 6745GLX11 46.1+47 3011135.3×1.2′
NGC 3982UGC 6918GLX11 56.5+55 071112,52.3×2′
NGC 5448UGC 8969GLX14 02.8+49 1011133.8×2′
UGC 4305Holmberg IIGLX08 19.2+70 4311,114,87.6×6.2′
NGC 3319UGC 5789GLX10 39.2+41 4111,114,26.1×3.4′
NGC 3348UGC 5875GLX10 47.2+72 5011,112,72×2′
NGC 3583UGC 6263GLX11 14.2+48 1911,112,72.5×1.5′
NGC 3949UGC 6869GLX11 53.7+47 5211,112,62.9×1.7′
NGC 4062UGC 7045GLX12 04.1+31 5411,113,14×1.8′
NGC 3642UGC 6385GLX11 22.3+59 0411,214,55.5×4.7′
NGC 4013UGC 6963GLX11 58.5+43 5711,212,94.8×1′
NGC 4100UGC 7095GLX12 06.1+49 3511,213,55.4×1.7′
NGC 4102UGC 7096GLX12 06.4+52 4311,212,83.1×1.7′
NGC 2685UGC 4666GLX08 55.6+58 4411,313,74.6×2.1′
NGC 4041UGC 7014GLX12 02.2+62 0811,313,22.7×2.6′
NGC 5204UGC 8490GLX13 29.6+58 2511,314,15×3′
NGC 2742NGC 2816GLX09 07.6+60 2911,4133×1.5′
NGC 3729UGC 6547GLX11 33.8+53 0811,413,12.9×1.9′
NGC 4157UGC 7183GLX12 11.1+50 2911,413,66.7×1.2′
NGC 5308UGC 8722GLX13 47.0+60 5811,412,33.7×0.7′
NGC 5473UGC 9011GLX14 04.7+54 5411,412,82.2×1.7′
NGC 5485UGC 9033GLX14 07.2+55 0011,412,92.8×2.1′
NGC 2880UGC 5051GLX09 29.6+62 2911,512,42.4×1.5′
NGC 3619UGC 6330GLX11 19.4+57 4511,513,43.5×2.4′
NGC 3690UGC 6472GLX11 28.5+58 3411,512,62×1′
NGC 3756UGC 6579GLX11 36.8+54 1811,513,74.2×2.1′
NGC 3780UGC 6615GLX11 39.4+56 1611,513,53×2.4′
NGC 5631UGC 9261GLX14 26.6+56 3511,512,52×2′
NGC 2639UGC 4544GLX08 43.6+50 1211,612,31.8×1.4′
NGC 3614UGC 6318GLX11 18.4+45 4511,614,14.8×2.9′
NGC 3813UGC 6651GLX11 41.3+36 3311,612,52×1′
NGC 3894UGC 6779GLX11 48.8+59 2511,613,42×1.4′
NGC 4144UGC 7151GLX12 10.0+46 2711,613,76.1×1.5′
NGC 3516UGC 6153GLX11 06.8+72 3411,712,51.9×1.4′
NGC 3600UGC 6283GLX11 15.9+41 3511,712,94.1×0.8′
NGC 3738UGC 6565GLX11 35.8+54 3111,713,32.6×2.2′
MCG +09-20-052GLX11 59.5+50 5511,72.5×0.7′
NGC 2654UGC 4605GLX08 49.2+60 1311,812,94.2×0.8′
NGC 3027UGC 5316GLX09 55.7+72 1211,813,94.2×1.8′
NGC 3769UGC 6595GLX11 37.7+47 5411,812,82.9×1′
NGC 3917UGC 6815GLX11 50.8+51 4911,813,75×1.1′
MCG +09-20-046GLX11 57.8+55 2811,81.5×1.2′
NGC 4290UGC 7402GLX12 20.8+58 0611,813,12.2×1.6′
NGC 5422UGC 8935GLX14 00.7+55 1011,812,83.5×0.6′
NGC 2693UGC 4674GLX08 57.0+51 2111,913,63×2.1′
NGC 3206UGC 5589GLX10 21.8+56 5611,913,62.9×1.9′
NGC 3683AUGC 6484GLX11 29.2+57 0811,913,32.4×1.7′
NGC 3963UGC 6884GLX11 55.0+58 3011,913,92.7×2.4′
IC 750UGC 6973GLX11 58.9+42 4311,9132.6×1.2′
NGC 5430UGC 8937GLX14 00.8+59 2011,912,82.3×1.3′
NGC 3264UGC 5719GLX10 32.3+56 051213,22.9×1.2′
NGC 3687UGC 6463GLX11 28.0+29 311213,31.9×1.9′
NGC 4814UGC 8051GLX12 55.4+58 2112143.3×2.4′
MCG +10-19-040GLX13 08.7+62 17120.5×0.4′
NGC 5389UGC 8866GLX13 56.1+59 441213,13.6×1′

1Type: AG=Amas globulaire AO=Amas ouvert AST=Astérisme GLX=Galaxie N=Nébuleuse NP=Nébuleuse planétaire DKN=Nébuleuse sombre REMSN=Rémanent de supernova AGLX=Amas de galaxies
2Magnitude
3Magnitude surfacique
En gras, objet remarquable