09073-1304 J  1540

 
 
09h 07m 16.80s -13 01' 20.9" P.A. 235 sep 4.9 mag 12.17,11.50
 
 
Coord 2000
09073-1304
Discov num
J  1540
Comp
Coord arcsec 2000
09 07 16.80 -13 01 20.9
Date first
1941
Date last
2010
Obs
4
Pa first
250
Pa last
235
P.A. Now (θ)
235°
Sep first
6.0
Sep last
4.9
Sep. Now (ρ)
4.9"
Mag pri
12.17
Mag sec
11.50
delta mag (ΔM)
0.67
Spectral class
Pri motion ra
-029
Sec motion ra
-106
Pri motion dec
-019
Sec motion dec
-081
Notes
rPM=0.741
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
235
Precise sep
4.86
Constellation
Hydra
last precise pa
235
last precise sep
4.86
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
09073-1304 J 1540 1998 2 236 5.2 12.17 11.50 D 090716.80-130120.9
09073-1304 J 1540 2000 3 236 5.0 12.17 11.50 D 090716.80-130120.9
09073-1304 J 1540 2010 4 235 4.9 12.17 11.50 090716.80-130120.9

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