12397-3044 RST1682

 
 
12h 39m 47.65s -30 43' 23.6" P.A. 168 sep 2.1 mag 11.77,12.30
 
 
Coord 2000
12397-3044
Discov num
RST1682
Comp
Coord arcsec 2000
12 39 47.65 -30 43 23.6
Date first
1931
Date last
2015
Obs
6
Pa first
165
Pa last
168
P.A. Now (θ)
168°
Sep first
1.9
Sep last
2.1
Sep. Now (ρ)
2.1"
Mag pri
11.77
Mag sec
12.30
delta mag (ΔM)
0.53
Spectral class
Pri motion ra
-046
Sec motion ra
Pri motion dec
+010
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
167.7
Precise sep
2.06
Constellation
Hydra
SAO
203677
Tycho2
7247-00638-1
Gaia DR2
77965896832
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12397-3044 RST1682 1991 5 169 2.0 11.77 12.30 123947.65-304323.6
12397-3044 RST1682 2015 6 168 2.1 11.77 12.30 123947.65-304323.6

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