21473+4644 SRW  11AB

 
 
21H 47M 18.05S +46 43' 53.7" P.A. 28 SEP 28.9 MAG 9.56,9.67 SP F0
 
 
Coord 2000
21473+4644
Discov num
SRW  11
Comp
AB
Coord arcsec 2000
21 47 18.05 +46 43 53.7
Date first
1895
Date last
2016
Obs
9
Pa first
28
Pa last
28
P.A. Now (θ)
28°
Sep first
28.9
Sep last
28.9
Sep. Now (ρ)
28.9"
Mag pri
9.56
Mag sec
9.67
delta mag (ΔM)
0.11
Spectral class
F0 (yellow-white)
Pri motion ra
-004
Sec motion ra
-002
Pri motion dec
-010
Sec motion dec
-010
Notes
rPM=0.186 (< 0.3, Physical double)
This double is physical.
 
 
21473+4644 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 51302 21473+4644 SRW 11 AB 1895 2016 9 28 28.9 9.56 9.67 0.11 <===
Show 51302 21473+4644 SRW 11 AC 2000 2016 2 341 26.3 9.56 12.50 2.94
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Cygnus
SAO
51302
Tycho2
3604-01964-1
last precise pa
28.2
last precise sep
28.92