21238+3721 STFA 55CD

 
 
21h 23m 54.84s +37 18' 24.6" P.A. 183 sep 12.8 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
2015
Obs
4
Pa first
184
Pa last
183
P.A. Now (θ)
183°
Sep first
10.6
Sep last
12.8
Sep. Now (ρ)
12.8"
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 2015 8 154 178.3 6.61 11.08 4.47
Show 21238+3721 STFA 55 AF 2002 2015 5 201 22.8 6.61 14.80 8.19
Show 21238+3721 STFA 55 CD 1909 2015 4 183 12.8 11.08 14.80 3.72 <===
Show 21238+3721 STFA 55 CE 1909 2015 4 320 17.7 11.08 13.70 2.62
Sextuple system
6 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
183.2
Precise sep
12.823
Constellation
Cygnus
SAO
71280
Gaia DR2
88696916352
HD
203857
HR
8193
DM
BD+36 4543
 
 
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
21238+3721 STFA 55 CD 2015 5 183 12.8 11.08 14.80 N 212354.84+371824.6

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