21028+3534 BTG   6BC

 
 
21H 02M 45.85S +35 33' 36.0" P.A. 236 SEP 10.7 MAG 11.50,12.70
 
 
Coord 2000
21028+3534
Discov num
BTG   6
Comp
BC
Coord arcsec 2000
21 02 45.85 +35 33 36.0
Date first
1896
Date last
2007
Obs
6
Pa first
241
Pa last
236
P.A. Now (θ)
236°
Sep first
10.6
Sep last
10.7
Sep. Now (ρ)
10.7"
Mag pri
11.50
Mag sec
12.70
delta mag (ΔM)
1.2
Spectral class
Pri motion ra
-005
Sec motion ra
+002
Pri motion dec
+007
Sec motion dec
-002
Notes
N R (See Notes, Red magnitudes)
rPM=1.325
This double is not physical.
 
 
21028+3534 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 21028+3534 SEI1375 AB 1896 2007 9 337 6.7 12.30 11.50 0.80
Show 21028+3534 SEI1376 AC 1896 2012 6 272 11.4 12.30 12.70 0.40
Show 21028+3534 BTG 6 BC 1896 2007 6 236 10.7 11.50 12.70 1.20 <===
Show 21028+3534 BTG 6 BD 1998 2007 3 274 16.0 11.50 14.20 2.70
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Cygnus
last precise pa
235.5
last precise sep
10.66