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
 
 
Precise pa
250.5
Precise sep
0.103
Cdsa2 id
COU 1681
Constellation
Perseus
HIP
15688
Tycho2
2873-02677-1
BD
BD+44 679
Ra deg
3.3681027777777777
De deg
44.66166666666666
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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