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
Cdsa2 id
SKF 2398
Constellation
Cygnus
Ra deg
21.916594444444442
De deg
53.93561111111111
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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