12397+4444 COU1578

 
 
12h 39m 39.74s +44 44' 22.8" P.A. 66 sep 1.4 mag 10.55,11.40 Sp K2V
 
 
Coord 2000
12397+4444
Discov num
COU1578
Comp
Coord arcsec 2000
12 39 39.74 +44 44 22.8
Date first
1978
Date last
2010
Obs
5
Pa first
67
Pa last
66
P.A. Now (θ)
66°
Sep first
1.4
Sep last
1.4
Sep. Now (ρ)
1.4"
Mag pri
10.55
Mag sec
11.40
delta mag (ΔM)
0.85
Spectral class
K2V (yellow-orange)
Pri motion ra
-022
Sec motion ra
-022
Pri motion dec
+006
Sec motion dec
+006
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
65.6
Precise sep
1.442
Constellation
Canes Venatici
Tycho2
3020-02136-1
last precise pa
65.6
last precise sep
1.442
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12397+4444 COU1578 2001 4 68 1.5 10.55 11.40 K2V 123939.74+444422.8
12397+4444 COU1578 2010 5 66 1.4 10.55 11.40 K2V 123939.74+444422.8

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