Crux (la Croix du Sud)


Le catalogue




ÉTOILES DOUBLES

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Désignation             AD (2000.0) DE      m1   m2   Écart  PA  Date     Note   Spectre
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HJ  4501      Êta   12 06 52.9  -64 36 49   4.2 11.8  44.0" 299° 1918    [   1]  F2III
DUN  252 AB   Alpha 12 26 35.9  -63 05 57   1.3  1.5   3.9" 114° 2000 Orb[   2]  B1V
DUN  252 AC         12 26 35.9  -63 05 57   1.3  4.8  90.0" 202° 1991            B4IV
DUN  252 BC         12 26 36.4  -63 05 59   2.3  6.0  90.6" 205° 1947
HDO  217 AC         12 28 33.6  -56 24 28   6.1 12.0  49.0" 290° 1902

I     36            12 28 54.9  -61 52 15   6.9 10.9  21.5" 326° 1991            B3V
DUN  124 AB   Gamma 12 31 10.0  -57 06 48   1.8  6.4 125.4"  26° 1991    [   3]  M3.5III
RST  606 AB         12 43 28.3  -58 54 10   6.4 10.9   2.4" 157° 1967            K0-1III
HJ  4543 AC         12 43 28.3  -58 54 10   6.5  9.8  36.0"  95° 1994            K0-1III
HJ  4547      Iota  12 45 38.1  -60 58 53   4.7 10.2  28.1"   8° 1991    [   4]  K0III

HJ  4548 AB         12 46 22.7  -56 29 20   4.6  8.9  51.9" 167° 1991    [   5]  B3V
I    362 AB   Bêta  12 47 43.3  -59 41 20   1.3 11.4  44.3" 322° 1901    [   6]  B0.5III
HDS 1808            12 53 37.6  -60 21 25   6.9  8.2  17.1"  43° 1991            B3Ib:
DUN  126 AB  Mu 1-2 12 54 35.6  -57 10 41   3.9  4.9  34.6"  17° 1993    [   7]  B2IV-V
HDO  221            12 55 57.1  -56 50 09   5.3 11.8  29.0" 315° 1913            O9Ibe

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[   1] Eta Cru. A is a spectroscopic binary.
[   2] Alpha (1) Cru. Spectroscopic binary. Common proper
       motion with HR 4729 and 4731, so that there are at
       least five components in the system.
       Coordinates and proper motions from ACRS, PPM, IRS,
       FK5 catalogs.
[   3] Gamma Cru. A variable? B is CPD-56@5274, spectrum A3V.
[   4] Iota Cru.
[   5] B is CPD-55@5216 and is a suspected variable.
[   6] Beta Cru. A is a Beta CMa-type variable.
[   7] Mu (1) and (2) Cru.
       B is variable, spectrum B5Vne.




ÉTOILES VARIABLES

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Nom     AD  (2000)  DE      Type       Max    Min        T (Jul)       P (jours)     F   Spectre
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AY    12 11.28 -59 08.0     EA/SD     11.1    12.2   p   2424802.076     1.598383    18
W     12 11.98 -58 47.0     EB/GS      9.04   10.38  B   2440731.6     198.53            G2eIaB
BH    12 16.32 -56 17.2     M          7.2    10.0   v   2440858.      421               SC4.5/8-e-SC7/8-e
BI    12 23.43 -62 38.2     Z And     11.0    14.0   p                                   pec
R     12 23.63 -61 37.7     Cd         6.40    7.23  V   2434514.629     5.82575     28  F6-G2Ib-II

AN    12 43.27 -58 28.9     EA/SD     10.6    12.3   v   2434421.565     3.25737     12 *

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CIEL PROFOND

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Nom          AD (2000) DE     Type          V     B       Dim.        Dist.     Notes
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Ru  97      11 57.3  -62 39   AO  II 2 m    9.1 (12.0)    3.5'      4000 pc    NR
Ru  98      11 58.0  -64 29   AO  II 2 p    7.0 ( 8.9)    10'        400 pc    D  12.0
NGC 4052    12 01.9  -63 12   AO  II 1 p    8.8p(10.0)     8'       1900 pc    DE 13.0
NGC 4103    12 06.7  -61 15   AO   I 3 m    7.4p( 9.8)     7'       1200 pc    BC 11.5
NGC 4337    12 23.9  -58 08   AO  II 3 p    8.9:(10.5)    3.5'                 C  14.0

NGC 4349    12 24.5  -61 54   AO   I 2 m    7.4 (10.9)    16'       1700 pc    C  13.0
NGC 4439    12 28.4  -60 06   AO  II 1 p    8.4 (10.3)    4.0'      1600 pc    CD 13.0
PK 300-0.1  12 28.8  -63 45   NP           14.2          34x23"
Harvard 5   12 29.0  -60 46   AO  II 3 p    7.1 ( 8.4)     6'                  D  13.0
PK 300-1.1  12 30.1  -63 53   NP           14.4          13x8"

NGC 4609    12 42.3  -62 58   AO  II 1 p    6.9 ( 9.0)     5'       1510 pc    CD 13.0
Coalsack    12 53    -63      NO  Ir                    400x300'                   6.5
NGC 4755    12 53.6  -60 22   AO   I 3 r    4.2 ( 5.8)    10'       2340 pc    AA 11.0

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