12171+2241 COU 179

 
 
12h 17m 01.53s +22 40' 48.1" P.A. 7 sep 0.6 mag 11.36,11.52
 
 
Coord 2000
12171+2241
Discov num
COU 179
Comp
Coord arcsec 2000
12 17 01.53 +22 40 48.1
Date first
1967
Date last
2008
Obs
8
Pa first
3
Pa last
7
P.A. Now (θ)
Sep first
0.4
Sep last
0.6
Sep. Now (ρ)
0.6"
Mag pri
11.36
Mag sec
11.52
delta mag (ΔM)
0.16
Spectral class
Pri motion ra
-029
Sec motion ra
-029
Pri motion dec
+011
Sec motion dec
+011
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
6.7
Precise sep
0.625
Cdsa2 id
COU 179
Constellation
Coma Berenices
Tycho2
1989-01194-1
Ra deg
12.283758333333333
De deg
22.680027777777777
last precise pa
6.7
last precise sep
0.625
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12171+2241 COU 179 1996 7 7 0.6 11.36 11.52 121701.53+224048.1
12171+2241 COU 179 2008 8 7 0.6 11.36 11.52 121701.53+224048.1

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