12247-2004 B  1716

 
 
12h 24m 42.39s -20 04' 16.1" P.A. 230 sep 0.7 mag 9.42,9.42 Sp G1V dist. 64.35 pc (209.91 l.y.)
 
 
Coord 2000
12247-2004
Discov num
B  1716
Comp
Coord arcsec 2000
12 24 42.39 -20 04 16.1
Date first
1929
Date last
2014
Obs
22
Pa first
192
Pa last
230
P.A. Now (θ)
230°
Sep first
0.5
Sep last
0.7
Sep. Now (ρ)
0.7"
Mag pri
9.42
Mag sec
9.42
delta mag (ΔM)
0
Spectral class
G1V (yellow)
Pri motion ra
+000
Sec motion ra
+000
Pri motion dec
+005
Sec motion dec
+005
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
229.9
Precise sep
0.701
Constellation
Corvus
SAO
157267
HIP
60545
Tycho2
6108-00433-1
HD
108012
BD
BD-19 3483
Distance
64.35
Distance ly
209.91
last precise pa
229.9
last precise sep
0.701
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12247-2004 B 1716 1998 19 225 0.7 9.42 9.42 G1V D 122442.39-200416.1
12247-2004 B 1716 2009 20 227 0.7 9.42 9.42 G1V D 122442.39-200416.1
12247-2004 B 1716 2010 21 228 0.7 9.42 9.42 G1V D 122442.39-200416.1
12247-2004 B 1716 2014 22 230 0.7 9.42 9.42 G1V 122442.39-200416.1

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