20010-1215 RST4649AB

 
 
20h 01m 00.24s -12 15' 20.3" P.A. 225 sep 7.8 mag 7.79,14.00 Sp G0/1V dist. 64.98 pc (211.96 l.y.)
 
 
Coord 2000
20010-1215
Discov num
RST4649
Comp
AB
Coord arcsec 2000
20 01 00.24 -12 15 20.3
Date first
1940
Date last
1998
Obs
3
Pa first
225
Pa last
225
P.A. Now (θ)
225°
Sep first
6.8
Sep last
7.8
Sep. Now (ρ)
7.8"
Mag pri
7.79
Mag sec
14.00
delta mag (ΔM)
6.21
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_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 163181 20010-1215 RST4649 AB 1940 1998 3 225 7.8 7.79 14.00 6.21 <===
Show 163181 20010-1215 B 2881 AC 1962 2000 4 52 36.6 7.79 14.60 6.81
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
225.1
Precise sep
7.77
Constellation
Sagittarius
SAO
163181
HIP
98532
Tycho2
5746-01530-1
HD
189558
BD
BD-12 5613
Distance
64.98
Distance ly
211.96
last precise pa
225.1
last precise sep
7.77
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20010-1215 RST4649 AB 1998 3 225 7.8 7.79 14.00 G0/1V D 200100.24-121520.3

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