13089-2503 RST2831

 
 
13h 08m 56.41s -25 02' 57.3" P.A. 188 sep 2.1 mag 11.04,11.74
 
 
Coord 2000
13089-2503
Discov num
RST2831
Comp
Coord arcsec 2000
13 08 56.41 -25 02 57.3
Date first
1935
Date last
1991
Obs
4
Pa first
186
Pa last
188
P.A. Now (θ)
188°
Sep first
2.0
Sep last
2.1
Sep. Now (ρ)
2.1"
Mag pri
11.04
Mag sec
11.74
delta mag (ΔM)
0.7
Spectral class
Pri motion ra
-011
Sec motion ra
-011
Pri motion dec
-011
Sec motion dec
-011
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
187.7
Precise sep
2.103
Constellation
Hydra
Tycho2
6703-00090-1
last precise pa
187.7
last precise sep
2.103
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
13089-2503 RST2831 1991 4 188 2.1 11.04 11.74 130856.41-250257.3

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