21550+5356 SKF2398

 
 
21h 54m 59.74s +53 56' 08.2" P.A. 310 sep 11.6 mag 6.90,13.00 Sp F5V+M3 dist. 236.41 pc (771.17 l.y.)
 
 
Coord 2000
21550+5356
Discov num
SKF2398
Comp
Coord arcsec 2000
21 54 59.74 +53 56 08.2
Date first
1955
Date last
2015
Obs
4
Pa first
311
Pa last
310
P.A. Now (θ)
310°
Sep first
12.8
Sep last
11.6
Sep. Now (ρ)
11.6"
Mag pri
6.90
Mag sec
13.00
delta mag (ΔM)
6.1
Spectral class
F5V+M3 (yellow-white/red)
Pri motion ra
+148
Sec motion ra
+163
Pri motion dec
+086
Sec motion dec
+088
Notes
V (Proper motion indicates physical)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Spectr
K0
Constellation
Pegasus
SAO
89993
HIP
107566
Tycho2
2202-00870-1
HD
207264
BD
BD+23 4392
Distance
236.41
Distance ly
771.17
last precise pa
310.1
last precise sep
11.55
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21550+5356 SKF2398 2013 3 310 11.6 6.90 13.00 F5V V 215459.74+535608.2
21550+5356 SKF2398 2015 4 310 11.6 6.90 13.00 F5V+M3 V 215459.74+535608.2

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