21305+3701 GII 102Aa,Ab

 
 
21H 30M 26.38S +37 01' 45.1" P.A. 306 SEP 0.4 MAG 10.10,12.20
 
 
Coord 2000
21305+3701
Discov num
GII 102
Comp
Aa,Ab
Coord arcsec 2000
21 30 26.38 +37 01 45.1
Date first
2015
Date last
2015
Obs
1
Pa first
306
Pa last
306
P.A. Now (θ)
306°
Sep first
0.4
Sep last
0.4
Sep. Now (ρ)
0.4"
Mag pri
10.10
Mag sec
12.20
delta mag (ΔM)
2.1
Spectral class
Pri motion ra
+006
Sec motion ra
Pri motion dec
+006
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
21305+3701 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 21305+3701 GII 102 Aa,Ab 2015 2015 1 306 0.4 10.10 12.20 2.10 <===
Show 21305+3701 SEI1521 AB 1895 2009 7 225 2.9 10.00 10.20 0.20
Triple system
2 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Cygnus
Tycho2
2716-02222-1
last precise pa
305.5
last precise sep
0.415