01566+1228 J   316

 
 
01h 56m 35.31s +12 28' 05.4" P.A. 239 sep 2.5 mag 10.80,11.90 Sp K5
 
 
Coord 2000
01566+1228
Discov num
J   316
Comp
Coord arcsec 2000
01 56 35.31 +12 28 05.4
Date first
1911
Date last
2016
Obs
10
Pa first
250
Pa last
239
P.A. Now (θ)
239°
Sep first
2.2
Sep last
2.5
Sep. Now (ρ)
2.5"
Mag pri
10.80
Mag sec
11.90
delta mag (ΔM)
1.1
Spectral class
K5 (yellow-orange)
Pri motion ra
-051
Sec motion ra
Pri motion dec
-111
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Aries
Tycho2
0626-00057-1
last precise pa
239.4
last precise sep
2.535
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
01566+1228 J 316 2002 9 242 3.0 11.10 12.50 K5 015635.31+122805.4
01566+1228 J 316 2016 10 239 2.5 11.10 12.50 K5 015635.31+122805.4

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