12109-3010 B  1208

 
 
12h 10m 55.37s -30 09' 52.2" P.A. 294 sep 4.1 mag 8.46,14.50 Sp K0III
 
 
Coord 2000
12109-3010
Discov num
B  1208
Comp
Coord arcsec 2000
12 10 55.37 -30 09 52.2
Date first
1928
Date last
1987
Obs
2
Pa first
293
Pa last
294
P.A. Now (θ)
294°
Sep first
4.1
Sep last
4.1
Sep. Now (ρ)
4.1"
Mag pri
8.46
Mag sec
14.50
delta mag (ΔM)
6.04
Spectral class
K0III (yellow-orange)
Pri motion ra
-062
Sec motion ra
Pri motion dec
+020
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
294
Precise sep
4.11
Constellation
Hydra
SAO
180542
Tycho2
7232-00408-1
HD
105831
last precise pa
294
last precise sep
4.11
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12109-3010 B 1208 1987 2 294 4.1 8.46 14.50 K0III 121055.37-300952.2

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