20010-1215 B  2881AC

 
 
20h 01m 00.24s -12° 15' 20.3" P.A. 52.00 sep 36.6 mag 7.79,14.60 Sp G0/1V dist. 64.98 pc (211.96 l.y.)
 
 
Coord 2000
20010-1215
Discov num
B  2881
Comp
AC
Coord arcsec 2000
20 01 00.24 -12 15 20.3
Date first
1962
Date last
2000
Obs
3
Pa first
62
Pa last
52
P.A. Now (θ)
52°
Sep first
18.6
Sep last
36.6
Sep. Now (ρ)
36.6"
Mag pri
7.79
Mag sec
14.60
delta mag (ΔM)
6.81
Spectral class
G0/1V (yellow)
Pri motion ra
-311
Sec motion ra
Pri motion dec
-367
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
20010-1215 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 163181 20 01 00 -12 15 20 RST 4649 AB 2016 7 225 7.8 7.79 14.00 6.21
Show 163181 20 01 00 -12 15 20 B 2881 AC 2000 3 52 36.6 7.79 14.60 6.81 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
51.7
Precise sep
36.569
Constellation
Sagittarius
SAO
163181
HIP
98532
Tycho2
5746-01530-1
HD
189558
BD
BD-12 5613
Distance
64.98
Distance ly
211.96
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20010-1215 B 2881 AC 1962 1 62 18.6 7.79 14.60 200100.24-121520.3
20010-1215 B 2881 AC 2000 4 52 36.6 7.79 14.60 G0/1V 200100.24-121520.3

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