12102-3104 RST1650

 
 
12h 10m 11.83s -31 04' 03.7" P.A. 83 sep 2.2 mag 10.06,14.60 Sp F5V
 
 
Coord 2000
12102-3104
Discov num
RST1650
Comp
Coord arcsec 2000
12 10 11.83 -31 04 03.7
Date first
1931
Date last
1945
Obs
3
Pa first
81
Pa last
83
P.A. Now (θ)
83°
Sep first
2.1
Sep last
2.2
Sep. Now (ρ)
2.2"
Mag pri
10.06
Mag sec
14.60
delta mag (ΔM)
4.54
Spectral class
F5V (yellow-white)
Pri motion ra
+041
Sec motion ra
Pri motion dec
-036
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
82.7
Precise sep
2.19
Constellation
Hydra
SAO
203186
Tycho2
7232-00995-1
HD
105711
last precise pa
82.7
last precise sep
2.19
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12102-3104 RST1650 1945 3 83 2.2 10.06 14.60 F5V 121011.83-310403.7

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