13039-0322 TDS 687Aa,Ab

 
 
13H 03M 56.06S -03 21' 40.6" P.A. 237 SEP 0.9 MAG 11.28,11.69
 
 
Coord 2000
13039-0322
Discov num
TDS 687
Comp
Aa,Ab
Coord arcsec 2000
13 03 56.06 -03 21 40.6
Date first
1991
Date last
1991
Obs
2
Pa first
237
Pa last
237
P.A. Now (θ)
237°
Sep first
0.9
Sep last
0.9
Sep. Now (ρ)
0.9"
Mag pri
11.28
Mag sec
11.69
delta mag (ΔM)
0.41
Spectral class
Pri motion ra
-057
Sec motion ra
-057
Pri motion dec
-010
Sec motion dec
-010
Notes
Nature of this double is uncertain.
 
 
13039-0322 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 13039-0322 TDS 687 Aa,Ab 1991 1991 2 237 0.9 11.28 11.69 0.41 <===
Show 13039-0322 UC 2464 AB 1893 2014 4 83 26.2 10.60 12.43 1.83
Triple system
2 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Virgo
Tycho2
4960-00886-1
last precise pa
236.7
last precise sep
0.907