21238+3721 STFA 55CD

 
 
21h 23m 54.84s +37 18' 24.6" P.A. 183 sep 12.7 mag 11.08,14.80
 
 
Coord 2000
21238+3721
Discov num
STFA 55
Comp
CD
Coord arcsec 2000
21 23 54.84 +37 18 24.6
Date first
1909
Date last
2002
Obs
4
Pa first
184
Pa last
183
P.A. Now (θ)
183°
Sep first
10.6
Sep last
12.7
Sep. Now (ρ)
12.7"
Mag pri
11.08
Mag sec
14.80
delta mag (ΔM)
3.72
Spectral class
Pri motion ra
+001
Sec motion ra
Pri motion dec
+003
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
183.1
Precise sep
12.729
Cdsa2 id
STFA 55 CD
Constellation
Cygnus
Ra deg
21.398566666666667
De deg
37.30683333333333
last precise pa
183.1
last precise sep
12.729
 
 
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 CD 2000 2 183 12.8 11.08 14.80 N 212354.84+371824.6
21238+3721 STFA 55 CD 2002 4 183 12.7 11.08 14.80 N 212354.84+371824.6

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