03221+4440 COU1681

 
 
03h 22m 05.17s +44 39' 42.0" P.A. 251 sep 0.1 mag 10.04,10.78 Sp G5 dist. 157.23 pc (512.88 l.y.)
 
 
Coord 2000
03221+4440
Discov num
COU1681
Comp
Coord arcsec 2000
03 22 05.17 +44 39 42.0
Date first
1978
Date last
2011
Obs
21
Pa first
58
Pa last
251
P.A. Now (θ)
251°
Sep first
0.3
Sep last
0.1
Sep. Now (ρ)
0.1"
Mag pri
10.04
Mag sec
10.78
delta mag (ΔM)
0.74
Spectral class
G5 (yellow)
Pri motion ra
+076
Sec motion ra
Pri motion dec
-044
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Perseus
HIP
15688
Tycho2
2873-02677-1
BD
BD+44 679
Distance
157.23
Distance ly
512.88
last precise pa
250.5
last precise sep
0.103
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
03221+4440 COU1681 2002 11 348 0.2 10.04 10.78 G5 032205.17+443942.0
03221+4440 COU1681 2008 12 306 0.1 10.04 10.78 G5 D 032205.17+443942.0
03221+4440 COU1681 2011 21 251 0.1 10.04 10.78 G5 032205.17+443942.0

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