20543-3243 UC 4321AB

 
 
20H 54M 20.65S -32 42' 41.5" P.A. 37 SEP 24.1 MAG 9.72,11.44 SP G6/K0III
 
 
Coord 2000
20543-3243
Discov num
UC 4321
Comp
AB
Coord arcsec 2000
20 54 20.65 -32 42 41.5
Date first
1911
Date last
1999
Obs
5
Pa first
38
Pa last
37
P.A. Now (θ)
37°
Sep first
23.9
Sep last
24.1
Sep. Now (ρ)
24.1"
Mag pri
9.72
Mag sec
11.44
delta mag (ΔM)
1.72
Spectral class
G6/K0III (yellow)
Pri motion ra
-004
Sec motion ra
-004
Pri motion dec
-079
Sec motion dec
-080
Notes
V (Proper motion indicates physical)
rPM=0.012 (< 0.3, Physical double)
This double is physical.
 
 
20543-3243 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 212534 20543-3243 TDT2622 Aa,Ab 1991 1991 1 232 0.5 10.50 10.50 0.00
Show 212534 20543-3243 UC 4321 AB 1911 1999 5 37 24.1 9.72 11.44 1.72 <===
Triple system
2 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Microscopium
SAO
212534
Tycho2
7462-00436-1
HD
198869
last precise pa
37.3
last precise sep
24.134