15544+3500 COU 978

 
 
15h 54m 25.61s +35 00' 14.3" P.A. 149 sep 2.2 mag 11.20,11.20
 
 
Coord 2000
15544+3500
Discov num
COU 978
Comp
Coord arcsec 2000
15 54 25.61 +35 00 14.3
Date first
1973
Date last
2013
Obs
4
Pa first
151
Pa last
149
P.A. Now (θ)
149°
Sep first
1.8
Sep last
2.2
Sep. Now (ρ)
2.2"
Mag pri
11.20
Mag sec
11.20
delta mag (ΔM)
0
Spectral class
Pri motion ra
+064
Sec motion ra
Pri motion dec
-076
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
148.6
Precise sep
2.18
Constellation
Corona Borealis
last precise pa
148.6
last precise sep
2.18
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15544+3500 COU 978 1996 2 161 1.8 10.50 10.50 155415.00+350000.0
15544+3500 COU 978 2008 3 149 1.9 11.20 11.20 155425.61+350014.3
15544+3500 COU 978 2013 4 149 2.2 11.20 11.20 155425.61+350014.3

If you need more information about this double, apply for a data request form to the WDS.