15501+3046 HDS2230

 
 
15h 50m 03.50s +30 45' 39.6" P.A. 312 sep 1.8 mag 10.27,13.79 Sp K2 dist. 404.86 pc (1320.65 l.y.)
 
 
Coord 2000
15501+3046
Discov num
HDS2230
Comp
Coord arcsec 2000
15 50 03.50 +30 45 39.6
Date first
1991
Date last
1991
Obs
2
Pa first
312
Pa last
312
P.A. Now (θ)
312°
Sep first
1.8
Sep last
1.8
Sep. Now (ρ)
1.8"
Mag pri
10.27
Mag sec
13.79
delta mag (ΔM)
3.52
Spectral class
K2 (yellow-orange)
Pri motion ra
+005
Sec motion ra
+005
Pri motion dec
-002
Sec motion dec
-002
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
312
Precise sep
1.83
Constellation
Corona Borealis
HIP
77555
Tycho2
2572-00442-1
BD
BD+31 2788
Distance
404.86
Distance ly
1320.65
last precise pa
312
last precise sep
1.83
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15501+3046 HDS2230 1991 2 312 1.8 10.27 13.79 K2 155003.50+304539.6

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