12121-2856 RST1654

 
 
12h 12m 02.26s -28 55' 53.5" P.A. 112 sep 2.2 mag 11.07,13.20
 
 
Coord 2000
12121-2856
Discov num
RST1654
Comp
Coord arcsec 2000
12 12 02.26 -28 55 53.5
Date first
1930
Date last
1944
Obs
3
Pa first
114
Pa last
112
P.A. Now (θ)
112°
Sep first
2.0
Sep last
2.2
Sep. Now (ρ)
2.2"
Mag pri
11.07
Mag sec
13.20
delta mag (ΔM)
2.13
Spectral class
Pri motion ra
-022
Sec motion ra
Pri motion dec
+006
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
112
Precise sep
2.22
Constellation
Hydra
Tycho2
6680-00113-1
last precise pa
112
last precise sep
2.22
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12121-2856 RST1654 1944 3 112 2.2 11.07 13.20 121202.26-285553.5

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