21307-3057 TOK 636AC

 
 
21H 30M 44.67S -30 57' 20.8" P.A. 125 SEP 930 MAG 10.87,17.78 DIST. 52.6 PC (171.58 L.Y.)
 
 
Coord 2000
21307-3057
Discov num
TOK 636
Comp
AC
Coord arcsec 2000
21 30 44.67 -30 57 20.8
Date first
1980
Date last
1999
Obs
2
Pa first
125
Pa last
125
P.A. Now (θ)
125°
Sep first
930.7
Sep last
930.0
Sep. Now (ρ)
930"
Mag pri
10.87
Mag sec
17.78
delta mag (ΔM)
6.91
Spectral class
Pri motion ra
+016
Sec motion ra
+012
Pri motion dec
-215
Sec motion dec
-188
Notes
rPM=0.127 (< 0.3, Physical double)
This double is physical.
 
 
21307-3057 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 21307-3057 RSS 561 AB 1976 1999 3 98 5.2 10.87 10.90 0.03
Show 21307-3057 TOK 636 AC 1980 1999 2 125 930.0 10.87 17.78 6.91 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Piscis Austrinus
HIP
106208
Tycho2
7474-00868-1
CD
CD-3118312
Distance
52.6
Distance ly
171.58
last precise pa
124.6
last precise sep
930.001