11100-2816 RST1561

 
 
11H 09M 57.95S -28 16' 15.4" P.A. 4 SEP 2 MAG 11.47,11.76
 
 
Coord 2000
11100-2816
Discov num
RST1561
Comp
Coord arcsec 2000
11 09 57.95 -28 16 15.4
Date first
1930
Date last
1991
Obs
5
Pa first
7
Pa last
4
P.A. Now (θ)
Sep first
2.3
Sep last
2.0
Sep. Now (ρ)
2"
Mag pri
11.47
Mag sec
11.76
delta mag (ΔM)
0.29
Spectral class
Pri motion ra
-005
Sec motion ra
Pri motion dec
-021
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Hydra
Tycho2
6661-00668-2
last precise pa
4.3
last precise sep
1.98