12305-7201 B  1717

 
 
12h 30m 31.71s -72 01' 22.5" P.A. 347 sep 2.9 mag 8.09,11.85 Sp F0 dist. 202.84 pc (661.66 l.y.)
 
 
Coord 2000
12305-7201
Discov num
B  1717
Comp
Coord arcsec 2000
12 30 31.71 -72 01 22.5
Date first
1930
Date last
1991
Obs
3
Pa first
348
Pa last
347
P.A. Now (θ)
347°
Sep first
3.0
Sep last
2.9
Sep. Now (ρ)
2.9"
Mag pri
8.09
Mag sec
11.85
delta mag (ΔM)
3.76
Spectral class
F0 (yellow-white)
Pri motion ra
+011
Sec motion ra
+010
Pri motion dec
-003
Sec motion dec
+002
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Spectr
A2
Constellation
Hydra
HIP
43539
Tycho2
0220-00729-1
HD
75768
BD
BD+05 2073
Distance
202.84
Distance ly
661.66
last precise pa
346.6
last precise sep
2.89
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12305-7201 B 1717 1991 3 347 2.9 8.09 11.85 F0 123031.71-720122.5

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