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
|
Polaris |
α |
1 |
|
8890 |
11767 |
02h 31m 47,08s |
+89° 15′ 50,9″ |
1,97 |
−3,64 |
431 |
F7:Ib-IIv SB |
Étoile polaire, Lodestar, Alruccabah, Cynosura, Phoenice, Tramontana, Navigatoria, Yilduz, Mismar, Polyarnaya ; céphéide
|
β UMi |
β |
7 |
|
131873 |
72607 |
14h 50m 42,40s |
+74° 09′ 19,7″ |
2,07 |
−0,87 |
126 |
K4IIIvar |
Kochab, Kokab, Kochah ; variable suspectée ; possède une exoplanète (b)
|
γ UMi |
γ |
13 |
|
137422 |
75097 |
15h 20m 43,75s |
+71° 50′ 02,3″ |
3,00 |
−2,84 |
480 |
A3II-III |
Pherkad, Pherkad Major ; variable de type δ Sct
|
ε UMi |
ε |
22 |
|
153751 |
82080 |
16h 45m 58,16s |
+82° 02′ 14,1″ |
4,21 |
−0,92 |
346 |
G5IIIvar |
Urodelus ; variable de type RS CVn
|
5 UMi |
|
5 |
|
127700 |
70692 |
14h 27m 31,52s |
+75° 41′ 45,4″ |
4,25 |
−0,87 |
345 |
K4III |
|
ζ UMi |
ζ |
16 |
|
142105 |
77055 |
15h 44m 03,46s |
+77° 47′ 40,2″ |
4,29 |
−1,02 |
376 |
A3Vn |
Alifa al Farkadain
|
δ UMi |
δ |
23 |
|
166205 |
85822 |
17h 32m 12,90s |
+86° 35′ 10,8″ |
4,35 |
0,61 |
183 |
A1Vn |
Yildun, Gildun, Vildiur, Yilduz, Pherkard
|
RR UMi |
|
|
RR |
132813 |
73199 |
14h 57m 35,12s |
+65° 55′ 56,6″ |
4,63 |
−0,80 |
398 |
M5III |
Étoile variable semi-régulière
|
4 UMi |
|
4 |
|
124547 |
69112 |
14h 08m 51,01s |
+77° 32′ 50,8″ |
4,80 |
−1,13 |
500 |
K3III |
|
η UMi |
η |
21 |
|
148048 |
79822 |
16h 17m 30,50s |
+75° 45′ 16,9″ |
4,95 |
2,58 |
97 |
F5V |
Anwar al Farkadain, Alasco
|
θ UMi |
θ |
15 |
|
139669 |
76008 |
15h 31m 25,05s |
+77° 20′ 57,6″ |
5,00 |
−2,03 |
832 |
K5III |
Variable suspectée
|
11 UMi |
|
11 |
|
136726 |
74793 |
15h 17m 05,88s |
+71° 49′ 26,0″ |
5,02 |
−0,37 |
389 |
K4III |
Pherkad Minor ; possède une exoplanète
|
|
|
|
|
136064 |
74605 |
15h 14m 38,00s |
+67° 20′ 51,6″ |
5,15 |
3,13 |
83 |
F9IV |
|
|
|
|
|
124730 |
69373 |
14h 12m 04,05s |
+69° 25′ 57,6″ |
5,18 |
−0,50 |
445 |
M2III |
Étoile variable
|
19 UMi |
|
19 |
|
146926 |
79280 |
16h 10m 49,53s |
+75° 52′ 39,1″ |
5,48 |
−1,07 |
665 |
B8V |
|
HD 118904 |
|
|
|
118904 |
66435 |
13h 37m 11,05s |
+71° 14′ 32,2″ |
5,50 |
0,05 |
400 |
K2III |
Possède une exoplanète
|
|
|
|
|
149681 |
80480 |
16h 25m 43,53s |
+78° 57′ 49,0″ |
5,55 |
2,42 |
138 |
F0V |
|
|
|
|
|
133002 |
72573 |
14h 50m 19,63s |
+82° 30′ 45,0″ |
5,63 |
2,45 |
141 |
F9V |
|
|
|
|
|
140227 |
76519 |
15h 37m 39,21s |
+69° 16′ 59,6″ |
5,65 |
−1,51 |
881 |
M0III |
|
|
|
|
|
145622 |
78661 |
16h 03m 31,40s |
+76° 47′ 38,0″ |
5,73 |
−0,53 |
581 |
A3V |
|
HD 158996 |
|
|
|
158996 |
84769 |
17h 19m 37,05s |
+80° 08′ 11,0″ |
5,74 |
−1,67 |
991 |
K5III |
Possède une exoplanète
|
24 UMi |
|
24 |
|
166926 |
85699 |
17h 30m 46,97s |
+86° 58′ 04,9″ |
5,78 |
2,38 |
156 |
A2m |
|
|
|
|
|
117187 |
65536 |
13h 26m 08,02s |
+72° 23′ 29,4″ |
5,82 |
−1,63 |
1009 |
M1III |
|
HD 120084 |
|
|
|
120084 |
66903 |
13h 42m 39,38s |
+78° 03′ 51,6″ |
5,91 |
0,96 |
318 |
G7III |
Possède une exoplanète
|
|
|
|
|
152303 |
81854 |
16h 43m 06,14s |
+77° 30′ 48,5″ |
5,99 |
3,21 |
117 |
F4V |
|
|
|
|
|
147321 |
79601 |
16h 14m 33,47s |
+73° 23′ 41,3″ |
6,02 |
−0,78 |
748 |
A3V |
|
VX UMi |
|
|
VX |
155154 |
83317 |
17h 01m 40,08s |
+75° 17′ 51,6″ |
6,17 |
2,91 |
146 |
F0IVn |
Variable de type γ Dor
|
|
|
|
|
135384 |
74272 |
15h 10m 44,40s |
+67° 46′ 51,8″ |
6,18 |
0,23 |
504 |
A8Vn |
|
|
|
|
|
133994 |
73706 |
15h 03m 57,73s |
+65° 55′ 11,0″ |
6,22 |
0,45 |
464 |
A2Vs |
|
UY UMi |
|
|
UY |
107192 |
59767 |
12h 15m 20,67s |
+87° 42′ 00,0″ |
6,27 |
2,93 |
152 |
F2V |
Variable de type γ Dor
|
|
|
|
|
129245 |
71196 |
14h 33m 38,62s |
+79° 39′ 36,8″ |
6,27 |
0,52 |
461 |
K3III |
|
λ UMi |
λ |
|
|
183030 |
84535 |
17h 16m 57,26s |
+89° 02′ 15,8″ |
6,31 |
−0,84 |
876 |
M1III |
Variable semi-régulière
|
|
|
|
|
107113 |
59879 |
12h 16m 49,35s |
+86° 26′ 09,0″ |
6,33 |
3,34 |
129 |
F4V |
|
|
|
|
|
151623 |
81428 |
16h 37m 52,81s |
+78° 55′ 06,8″ |
6,33 |
0,81 |
414 |
G9III |
|
|
|
|
|
150275 |
80850 |
16h 30m 39,08s |
+77° 26′ 45,1″ |
6,35 |
0,87 |
408 |
K1III |
|
20 UMi |
|
20 |
|
147142 |
79420 |
16h 12m 32,20s |
+75° 12′ 38,1″ |
6,36 |
−0,49 |
765 |
K2IV |
|
|
|
|
|
113889 |
63822 |
13h 04m 49,78s |
+73° 01′ 29,8″ |
6,43 |
1,01 |
396 |
F0V |
|
3 UMi |
|
3 |
|
124063 |
68956 |
14h 06m 56,48s |
+74° 35′ 37,5″ |
6,43 |
0,79 |
438 |
A7V |
|
|
|
|
|
5914 |
7283 |
01h 33m 48,52s |
+89° 00′ 56,6″ |
6,46 |
1,49 |
321 |
A3V |
|
π1 UMi A |
π1 |
|
|
139777 |
75809 |
15h 29m 11,97s |
+80° 26′ 54,0″ |
6,57 |
4,85 |
72 |
G8IV-V+... |
|
9 UMi |
|
9 |
|
133621 |
73440 |
15h 00m 27,71s |
+71° 45′ 54,9″ |
6,64 |
4,00 |
110 |
G0 |
|
8 UMi |
|
8 |
|
133086 |
73136 |
14h 56m 48,32s |
+74° 54′ 03,3″ |
6,83 |
0,95 |
489 |
K0 |
Possède une exoplanète
|
17 UMi |
|
17 |
|
143803 |
77942 |
15h 55m 01,10s |
+75° 34′ 27.45″ |
6,88 |
0,47 |
611 |
G5III |
|
π2 UMi |
π2 |
18 |
|
141652 |
76695 |
15h 39m 38,72s |
+79° 58′ 59,2″ |
6,89 |
1,54 |
384 |
F2 |
|
HD 150706 |
|
|
|
150706 |
80902 |
16h 31m 17,59s |
+79° 47′ 23,2″ |
7,02 |
4,85 |
92 |
G3V |
Possède une exoplanète
|
U UMi |
|
|
U |
125556 |
69816 |
14h 17m 19,90s |
+66° 47′ 39,2″ |
7,10 |
|
858 |
M6-8e |
Variable de type Mira
|
12 UMi |
|
12 |
|
136727 |
74806 |
15h 17m 16,81s |
+71° 12′ 40.18″ |
7,26 |
1,13 |
581 |
F8 |
Étoile triple
|
π1 UMi B |
π1 |
|
|
139813 |
75829 |
15h 29m 24,36s |
+80° 27′ 00,0″ |
7,30 |
5,62 |
71 |
G5 |
|
14 UMi |
|
14 |
|
137686 |
75152 |
15h 21m 30,52s |
+73° 28′ 35,1″ |
7,38 |
3,51 |
194 |
F5 |
|
6 UMi |
|
6 |
|
130834 |
72181 |
14h 45m 51,11s |
+71° 57′ 58,14″ |
7,50 |
0,87 |
833 |
A5 |
|
S UMi |
|
|
S |
139492 |
75847 |
15h 29m 34,57s |
+78° 38′ 00,3″ |
7,5 |
|
1280 |
M6.5-7.5e |
Variable de type Mira
|
10 UMi |
|
10 |
|
134584 |
73808 |
15h 05m 07,29s |
+73° 53′ 30.73″ |
7,57 |
1,69 |
430 |
A0 |
|
V UMi |
|
|
V |
119227 |
66562 |
13h 38m 41,07s |
+74° 18′ 36,3″ |
7,81 |
|
1280 |
M... |
Variable semi-regulière
|
W UMi |
|
|
W |
150265 |
79069 |
16h 08m 27,28s |
+86° 11′ 59,6″ |
8,65 |
|
1350 |
A2V |
Variable de type Algol
|
RU UMi |
|
|
RU |
|
|
13h 38m 56,81s |
+69° 48′ 11,2″ |
10,24 |
|
932 |
A2 |
Variable de type β Lyr
|
Z UMi |
|
|
Z |
|
|
15h 02m 01,48s |
+83° 03′ 48,7″ |
11,40 |
|
|
C |
Variable de type R CrB
|
T UMi |
|
|
T |
118556 |
|
13h 34m 41,12s |
+73° 25′ 53,0″ |
11,46 |
|
|
M6e |
Variable de type Mira
|
SS UMi |
|
|
SS |
|
|
15h 51m 22,34s |
+71° 45′ 11,9″ |
12,6 |
|
|
CV |
Variable de type SU UMa
|
WD 1337+705 |
|
|
|
|
66578 |
13h 38m 50,48s |
+70° 17′ 07,7″ |
12,77 |
|
85,14 |
DA2.4 |
Naine blanche
|
H1504+65 |
|
|
|
|
|
15h 02m 09,62s |
+66° 12′ 18,6″ |
15,9 |
|
1590 |
DZ... |
Possible pré-naine blanche
|
Calvera |
|
|
|
|
|
14h 12m 56,0s |
+79° 22′ 04″ |
|
|
625 |
|
Pulsar
|
RW UMi |
|
|
RW |
|
|
16h 47m 54,75s |
+77° 02′ 12,2″ |
|
|
|
|
Variable de type DQ Her
|
WISE 1506+7027 |
|
|
|
|
|
15h 06m 49,89s |
+70° 27′ 36,2″ |
|
|
11,1 |
T6 |
Naine brune
|
Voir aussi
Liens internes
Sources
- ESA, « The Hipparcos and Tycho Catalogues », (consulté le )
- Natalia Dimitrievna Kostyuk, « HD-DM-GC-HR-HIP-Bayer-Flamsteed Cross Index », (consulté le )
- N. G. Roman, « Identification of a Constellation from a Position », (consulté le )
- N. N. Samus, O. V. Durlevich et al., « General Catalog of Variable Stars (Basse de données du GCVS, version 5.1) », (consulté le )
- « Site de l'AAVSO », Association américaine des observateurs d'étoiles variables (consulté le )
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