21254+5108 SKF2530

 
 
21H 25M 23.12S +51 07' 57.6" P.A. 101 SEP 8 MAG 7.83,12.50 SP A3V DIST. 261.78 PC (853.93 L.Y.)
 
 
Coord 2000
21254+5108
Discov num
SKF2530
Comp
Coord arcsec 2000
21 25 23.12 +51 07 57.6
Date first
2000
Date last
2013
Obs
2
Pa first
101
Pa last
101
P.A. Now (θ)
101°
Sep first
8.1
Sep last
8.0
Sep. Now (ρ)
8"
Mag pri
7.83
Mag sec
12.50
delta mag (ΔM)
4.67
Spectral class
A3V (white)
Pri motion ra
-017
Sec motion ra
-019
Pri motion dec
-027
Sec motion dec
-028
Notes
V (Proper motion indicates physical)
rPM=0.066 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Cygnus
SAO
33417
HIP
105777
Tycho2
3602-00681-1
HD
204194
BD
BD+50 3333
Distance
261.78
Distance ly
853.93
last precise pa
101
last precise sep
8.02