Corona Australis (la Couronne Australe)
Le catalogue
ÉTOILES DOUBLES
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Désignation AD (2000.0) DE m1 m2 Écart PA Date Note Spectre
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B 925 17 59 58.1 -39 03 47 7.2 10.8 5.2" 267° 1966 G8/K0III
HJ 5014 18 06 49.9 -43 25 30 5.7 5.7 1.7" 8° 1999 Orb A5V A5V
I 1018 18 12 59.1 -39 09 43 7.3 10.9 1.2" 314° 1991 G1/2V
DUN 222 Kap.2-1 18 33 23.1 -38 43 34 5.6 6.2 21.4" 358° 1991 [ 1] B9V A0III
I 1372 18 36 17.8 -38 08 33 7.3 11.5 8.2" 18° 1959 M2/3III
COO 227 AB 11 18 43 46.9 -38 19 24 5.1 10.0 29.2" 214° 1991 [ 2] A2Vn
HJ 5066 18 50 58.6 -41 03 46 6.5 9.1 10.1" 85° 1991 B5/7III
HDO 291 A-BC 18 52 11.9 -41 42 33 6.5 10.0 36.0" 342° 1959 K3III
HJ 5074 18 59 11.0 -39 32 05 6.5 11.8 15.8" 246° 1920 B9.5V
BSO 14 19 01 04.3 -37 03 42 6.3 6.6 12.8" 280° 1991 [ 3] B8V B9V
B 957 AC 19 01 38.9 -36 53 27 7.3 9.6 57.4" 23° 1991 B2
HJ 5084 Gamma 19 06 25.2 -37 03 49 4.5 6.4 1.3" 62° 1999 Orb[ 4] F8V F8V
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[ 1] Kappa (2) Cra. B is CD-38@12896, Kappa (1) Cra.
[ 2] 11 Cra. Variable?
[ 3] B is CD-37@13017. Both components are spectroscopic
binaries.
[ 4] Gamma Cra. P = 122yr., a = 1.90", motion retrograde.
ÉTOILES VARIABLES
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Nom AD (2000) DE Type Max Min T (Jul) P (jours) F Spectre
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RW 17 59.34 -37 52.9 EA/SD 9.3 10.3 p 2431017.297 1.6835995 18 A0
RR 18 05.89 -38 14.7 M 9.8 <14.0 p 2429050. 280.10 M2e-M7II-IIIe
WX 18 08.84 -37 19.8 RCB 11.0 <16.5 p C(R5)
Y 18 14.38 -42 50.6 Z And 12.0 13.8 p pec
U 18 41.11 -37 50.1 M 9.9 14.3 p 2433175. 147.50 42 M2Ibe
AM 18 41.25 -37 29.0 SR 8.6 12.7 p 187.5: M3e
V 18 47.54 -38 09.4 RCB 8.3 <16.5 v C(R0)
RS 19 03.23 -39 34.0 M: 10.0 <13.0 p
RZ 19 08.60 -42 21.5 M 9.9 <13.5 p 2428744. 460 M6e
RU 19 17.37 -39 36.5 L: 9.8 12.4 p
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CIEL PROFOND
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Nom AD (2000) DE Type V B Dim. Dist. Notes
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PK 352-7.1 18 00.2 -38 50 NP 1 11.4 3"
NGC 6541 18 08.0 -43 42 AG III 6.6 13.1' 6.9 kpc
IC 4808 19 01.1 -45 19 GSA(s)c 12.3 12.9 1.9x0.83' 5050 km/s
NGC 6726-7 19 01.7 -36 53 ND R F 2x2'
NGC 6729 19 01.9 -36 57 ND E+R 1' R CrA
Be 157 19 02.9 -37 08 NO Ir 55x18' 12.0
SL 42 19 10.3 -37 08 NO E 12x8' 14.0
NGC 6768 19 16.5 -40 13 GE4 12.1 13.2 1.2x1.1' 5570 km/s
IC 1297 19 17.4 -39 37 NP 10.7 11.5 2"/11x9" 5.1 kpc *=14.2(RU CrA)
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