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
 
 
Coord 2000
21550+5356
Discov num
SKF2398
Comp
Coord arcsec 2000
21 54 59.74 +53 56 08.2
Date first
1955
Date last
2013
Obs
3
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)
rPM=0.082 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
310.3
Precise sep
11.64
Constellation
Cygnus
last precise pa
310.3
last precise sep
11.64
 
 
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

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