15505+3401 COU 977

 
 
15h 50m 26.66s +33 59' 48.1" P.A. 186 sep 3.3 mag 11.86,14.90
 
 
Coord 2000
15505+3401
Discov num
COU 977
Comp
Coord arcsec 2000
15 50 26.66 +33 59 48.1
Date first
1973
Date last
2003
Obs
2
Pa first
187
Pa last
186
P.A. Now (θ)
186°
Sep first
2.4
Sep last
3.3
Sep. Now (ρ)
3.3"
Mag pri
11.86
Mag sec
14.90
delta mag (ΔM)
3.04
Spectral class
Pri motion ra
+006
Sec motion ra
Pri motion dec
+014
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
186
Precise sep
3.25
Constellation
Corona Borealis
Tycho2
2575-01218-1
last precise pa
186
last precise sep
3.25
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15505+3401 COU 977 1973 1 187 2.4 11.86 14.90 155026.66+335948.1
15505+3401 COU 977 2003 2 186 3.3 11.86 14.90 155026.66+335948.1

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