21238+3721 STFA 55AF

 
 
21h 23m 48.39s +37 21' 05.4" P.A. 202 sep 23.4 mag 6.61,14.80 Sp K5
 
 
Coord 2000
21238+3721
Discov num
STFA 55
Comp
AF
Coord arcsec 2000
21 23 48.39 +37 21 05.4
Date first
2002
Date last
2012
Obs
4
Pa first
202
Pa last
202
P.A. Now (θ)
202°
Sep first
22.2
Sep last
23.4
Sep. Now (ρ)
23.4"
Mag pri
6.61
Mag sec
14.80
delta mag (ΔM)
8.19
Spectral class
K5 (yellow-orange)
Pri motion ra
-006
Sec motion ra
Pri motion dec
-007
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
21238+3721 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 71280 21238+3721 STFA 55 AB 1835 2012 30 304 364.1 6.61 6.61 0.00
Show 21238+3721 STFA 55 AC 1880 2002 7 154 177.8 6.61 11.08 4.47
Show 21238+3721 STFA 55 AF 2002 2012 4 202 23.4 6.61 14.80 8.19 <===
Show 21238+3721 STFA 55 CD 1909 2002 4 183 12.7 11.08 14.80 3.72
Show 21238+3721 STFA 55 CE 1909 2002 4 321 17.7 11.08 13.70 2.62
Sextuple system
6 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
202.4
Precise sep
23.4
Constellation
Cygnus
last precise pa
202.4
last precise sep
23.4
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21238+3721 STFA 55 AF 2012 4 202 23.4 6.61 14.80 N 212348.39+372105.4

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