Libra (la Balance)
Le catalogue
ÉTOILES DOUBLES
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Désignation AD (2000.0) DE m1 m2 Écart PA Date Note Spectre
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STF 1837 14 24 40.8 -11 40 11 6.9 7.9 1.3" 278° 1998 F5III
HJ 546 14 25 17.6 -13 21 11 6.6 10.0 41.4" 45° 1980 [ 1] K2III
SHJ 179 AB 14 25 29.9 -19 58 12 6.6 7.2 35.1" 295° 2002 A2V
HLD 20 5 14 45 57.8 -15 27 34 6.4 10.1 3.1" 252° 1962 [ 2] K1III
BU 106 AB Mu 14 49 19.0 -14 08 56 5.6 6.6 1.9" 3° 2000 [ 3] A1pSrCrEu
SHJ 186 AB Alpha 14 50 52.7 -16 02 30 2.7 5.2 231.1" 315° 2002 [ 4] A3IV F4IV
H N 28 AB 14 57 28.0 -21 24 56 5.9 8.2 25.0" 304° 1996 Orb[ 5] K5Ve M2V
STF 1894 AB 18 14 58 53.6 -11 08 38 5.9 9.9 19.8" 39° 1968 [ 6] K2III-IV
STF 1899 15 01 35.3 -03 09 51 6.7 10.1 28.6" 67° 2002 K2IV K0V
H 6 44 Aa-B 15 12 13.3 -19 47 30 4.5 10.9 57.3" 109° 2002
B 288 15 13 53.3 -26 11 37 5.9 10.1 1.7" 82° 1959 G8II
SHJ 195 15 14 28.1 -18 25 43 6.8 8.3 47.4" 140° 2002 [ 7] F3IV/V
BU 1447 Omicr 15 21 01.4 -15 32 54 6.2 10.0 42.5" 349° 2002 [ 8] F0III
SHJ 202 AB 15 28 09.6 -09 20 53 6.9 7.6 52.5" 133° 1993 [ 9] K1V K5V
HJ 4774 AB-C 15 28 58.7 -28 52 01 7.0 9.6 9.6" 8° 1991
S 672 15 31 43.4 -20 09 54 6.3 8.9 11.4" 280° 2002 [ 10] A8V
LAL 123 A-BC 15 33 09.5 -24 29 26 6.9 7.0 9.1" 301° 1991 [ 11] A3+F0V:
GOL 1 Aa-B Gamma 15 35 31.5 -14 47 22 4.0 11.2 41.8" 155° 1960
I 1271 Upsil 15 37 01.5 -28 08 06 3.6 10.8 3.5" 164° 1965 [ 12] K5III
STF 1962 15 38 40.1 -08 47 29 6.4 6.5 11.9" 190° 2002 [ 13] F8V F8V
HJ 4803 Aa-Ca 15 46 12.9 -28 03 41 6.6 9.0 50.6" 214° 1991
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[ 1] BDS 6823 same star.
Coordinates and proper motions from ACRS, PPM, IRS,
FK5 catalogs.
[ 2] 5 Lib.
[ 3] Mu Lib.
[ 4] Alpha (2) Lib. B is BD-15@3965.
A is a spectroscopic binary.
[ 5] AB: H N 28. B is BD-20@4123. Proper motion of B +1000
-1662. B is a spectroscopic binary, P = 308d.
[ 6] 18 Lib. Proper motion of B +044 +125.
[ 7] B is BD-17@4284.
[ 8] Omicron Lib.
[ 9] BDS 7220, H V 27 same star. The primary is a spectro-
scopic binary of very high eccentricity, P = 889.6d.
C is BD-08@3984, and is optical. A 15.35mag. star at
20' shares common proper motion.
[ 10] A is a spectroscopic binary.
[ 11] A-BC: A is physical.
BC: P = 60.4yr., a = 0.24", motion direct.
[ 12] Upsilon Lib.
[ 13] A is a spectroscopic binary. B is BD-08@4031.
ÉTOILES VARIABLES
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Nom AD (2000) DE Type Max Min T (Jul) P (jours) F Spectre
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V 14 40.37 -17 39.4 M 9.0 15.9 v 2439214. 255.30 42 M5e-M8.0e
EH 14 58.94 -00 56.9 dSct 9.35 10.08 V 2433438.6082 0.0884132445 32 A5-F3
Delta 15 00.98 -08 31.1 EA/SD 4.91 5.90 V 2442960.6994 2.3273543 23 *A0IV-V
RT 15 06.45 -18 43.9 M 8.2 14.7 v 2439193. 251.16 45 M2.5pe-M8.2e
YY 15 08.21 -21 09.7 M 9. <12. p 229.53 Me
Y 15 11.70 -06 00.7 M 7.6 14.7 v 2444017. 275.7 41 M5e-M8.2e
S 15 21.39 -20 23.2 M 7.5 13.0 v 2441883. 192.9 49 M1.0e-M6.0e
RW 15 23.11 -24 04.1 M 8.84 14.26 V 2441530. 203.31 48 K5e:-M5.6e:
RS 15 24.32 -22 54.6 M 7.0 13.0 v 2442154. 217.65 48 M7e-M8.5e
RU 15 33.27 -15 19.6 M 7.2 14.4 v 2441840. 316.56 46 M5e-M6e
EI 15 34.36 -22 60.0 EA/SD: 9.5 10.5 p 2430869.310 1.98691 13 A2
X 15 36.21 -21 09.1 M 10.0 14.5 v 2438470. 164.38 40 M4e
U 15 42.05 -21 10.8 M 9.0 15.0 v 2439124. 226.59 44 M3e-M8.0e
R 15 53.60 -16 14.1 M 9.8 15.9 v 2439221. 241.85 44 M5e
RR 15 56.39 -18 18.2 M 7.8 15.0 v 2438784. 277.01 47 M4e-M8e
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CIEL PROFOND
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Nom AD (2000) DE Type V B Dim. Dist. Notes
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NGC 5595 14 24.2 -16 43 GSAB(rs)c 12.1 12.7 2.2x1.2' 2610 km/s VV 530
NGC 5597 14 24.5 -16 46 GSAB(s)cd 12.2 12.8 2.1x1.7' 2550 km/s
NGC 5605 14 25.1 -13 10 G(R')SAB(rs)cp:12.4 13.1 1.6x1.3' 3300 km/s
NGC 5729 14 42.1 -09 01 GSbp: 13.0 2.6x0.66' 1790 km/s
NGC 5728 14 42.4 -17 15 GSAB(r)a: 11.6 12.5 3.1x1.8' 2740 km/s
IC 1055 14 47.4 -13 43 G(R')SA(r)b: 13.4 2.0x0.69' 2870 km/s
NGC 5756 14 47.6 -14 51 G(R')SB(s)bcp/ 12.3 13.1 2.1x0.93' 2240 km/s
NGC 5757 14 47.8 -19 05 G(R)SB(r)b 12.6 13.3 2.0x1.6' 2610 km/s
NGC 5761 14 49.1 -20 23 GSO/ap: 12.5 13.4 1.3x1.0' 4010 km/s
NGC 5768 14 52.1 -02 32 GSA(rs)c: 13.2 1.9x1.4' 1950 km/s
IC 1077 14 57.3 -19 13 G(R')SB(s)bcp? 13.5 1.4x1.1' 3400 km/s
NGC 5792 14 58.4 -01 05 GSB(rs)b 11.7 12.5 6.9x1.7' 1930 km/s
NGC 5791 14 58.8 -19 16 GE6: 11.6 12.6 2.6x1.3' 3280 km/s
NGC 5796 14 59.4 -16 37 GE0+ 11.8 12.9 2.5x1.8' 2920 km/s
NGC 5812 15 00.9 -07 27 GE0 11.3 12.3 2.1x1.9' 1990 km/s
NGC 5858 15 08.8 -11 12 GE6: 13.4 1.5x0.69' 2080 km/S
NGC 5861 15 09.3 -11 19 GSAB(rs)c 11.7 12.4 3.0x1.7' 1860 km/s
NGC 5892 15 13.8 -15 28 GSA(s)d 13.4 3.5x2.8' 2260 km/s
NGC 5878 15 13.8 -14 16 GSA(s)b 11.6 12.5 3.5x1.4' 1950 km/s
NGC 5885 15 15.1 -10 05 GSAB(r)c 11.8 12.3 3.5x3.1' 1980 km/s
NGC 5897 15 17.4 -21 01 AG XI 8.6 12.6' 12.1 kpc
NGC 5898 15 18.2 -24 06 GE0 11.3 12.4 2.2x2.0' 2150 km/s
NGC 5903 15 18.6 -24 04 GE2 11.2 12.2 2.7x2.1' 2480 km/s
IC 4538 15 21.2 -23 39 GSAB(s)c: 12.1 12.9 2.6x2.0' 2290 km/s
NGC 5915 15 21.6 -13 06 GSB(s)abp 12.3 12.8 1.7x1.3' 2270 km/s
PK 342+27.1 15 22.3 -23 38 NP 2 11.6 6" 4.6 kpc *= 18.8
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