21373+5244 A  1700BD

 
 
21h 37m 16.54s +52 44' 21.9" P.A. 246 sep 7.2 mag 10.80,14.30 Sp A0
 
 
Coord 2000
21373+5244
Discov num
A  1700
Comp
BD
Coord arcsec 2000
21 37 16.54 +52 44 21.9
Date first
1907
Date last
2015
Obs
6
Pa first
247
Pa last
246
P.A. Now (θ)
246°
Sep first
7.1
Sep last
7.2
Sep. Now (ρ)
7.2"
Mag pri
10.80
Mag sec
14.30
delta mag (ΔM)
3.5
Spectral class
A0 (white)
Pri motion ra
+045
Sec motion ra
Pri motion dec
+010
Sec motion dec
Notes
U R (Proper motion indicates non-physical, Red magnitudes)
This double is not physical.
 
 
21373+5244 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 21373+5244 A 1700 AB 1907 2016 9 297 5.0 10.00 10.80 0.80
Show 21373+5244 A 1700 AC 1918 2015 3 214 5.1 10.00 16.20 6.20
Show 21373+5244 ABH 147 AE 1987 2015 4 252 48.9 9.59 13.95 4.36
Show 21373+5244 ABH 147 AF 1987 2015 4 213 79.1 9.59 12.17 2.58
Show 21373+5244 ABH 147 AG 1987 2015 4 80 43.8 9.59 14.15 4.56
Show 21373+5244 A 1700 BD 1907 2015 6 246 7.2 10.80 14.30 3.50 <===
Septuple system
7 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
245.9
Precise sep
7.185
Constellation
Cygnus
SAO
33588
Tycho2
3967-02029-1
Gaia DR2
62519657216
HD
235563
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21373+5244 A 1700 BD 2000 4 267 10.9 10.60 13.80 D 213717.04+524419.7
21373+5244 A 1700 BD 2003 5 267 11.1 11.20 14.20 UD 213717.04+524419.7
21373+5244 A 1700 BD 2015 6 246 7.2 10.80 14.30 A0 U R 213716.54+524421.9

If you need more information about this double, apply for a data request form to the WDS.