13173+2840 ES  440

 
 
13H 17M 20.47S +28 40' 07.6" P.A. 180 SEP 2.6 MAG 10.90,11.20 SP G5
 
 
Coord 2000
13173+2840
Discov num
ES  440
Comp
Coord arcsec 2000
13 17 20.47 +28 40 07.6
Date first
1907
Date last
2016
Obs
14
Pa first
2
Pa last
180
P.A. Now (θ)
180°
Sep first
2.6
Sep last
2.6
Sep. Now (ρ)
2.6"
Mag pri
10.90
Mag sec
11.20
delta mag (ΔM)
0.3
Spectral class
G5 (yellow)
Pri motion ra
+010
Sec motion ra
Pri motion dec
+029
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Coma Berenices
Tycho2
1996-00236-1
last precise pa
180.3
last precise sep
2.611