02173+5409 ES  618

 
 
02H 17M 23.77S +54 08' 47.7" P.A. 172 SEP 2.8 MAG 10.48,12.80
 
 
Coord 2000
02173+5409
Discov num
ES  618
Comp
Coord arcsec 2000
02 17 23.77 +54 08 47.7
Date first
1908
Date last
2011
Obs
3
Pa first
173
Pa last
172
P.A. Now (θ)
172°
Sep first
3.7
Sep last
2.8
Sep. Now (ρ)
2.8"
Mag pri
10.48
Mag sec
12.80
delta mag (ΔM)
2.32
Spectral class
Pri motion ra
-003
Sec motion ra
Pri motion dec
+004
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Perseus
Tycho2
3686-02591-1
last precise pa
171.6
last precise sep
2.81