02557+4746 ES 1217AB

 
 
02H 55M 43.50S +47 46' 48.8" P.A. 269 SEP 2.1 MAG 9.90,10.00 SP K5VE
 
 
Coord 2000
02557+4746
Discov num
ES 1217
Comp
AB
Coord arcsec 2000
02 55 43.50 +47 46 48.8
Date first
1913
Date last
2011
Obs
6
Pa first
283
Pa last
269
P.A. Now (θ)
269°
Sep first
2.3
Sep last
2.1
Sep. Now (ρ)
2.1"
Mag pri
9.90
Mag sec
10.00
delta mag (ΔM)
0.1
Spectral class
K5Ve (yellow-orange)
Pri motion ra
+080
Sec motion ra
Pri motion dec
-077
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
02557+4746 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 02557+4746 ES 1217 AB 1913 2011 6 269 2.1 9.90 10.00 0.10 <===
Show 02557+4746 MET 18 AC 1998 2002 3 51 12.0 7.21 14.21 7.00
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Perseus
last precise pa
269.1
last precise sep
2.07