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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