20057+3536 ES   24BD

 
 
20H 05M 36.36S +35 37' 23.4" P.A. 85 SEP 16.9 MAG 8.82,13.11 SP B0.5IVP
 
 
Coord 2000
20057+3536
Discov num
ES   24
Comp
BD
Coord arcsec 2000
20 05 36.36 +35 37 23.4
Date first
1900
Date last
2002
Obs
8
Pa first
83
Pa last
85
P.A. Now (θ)
85°
Sep first
16.9
Sep last
16.9
Sep. Now (ρ)
16.9"
Mag pri
8.82
Mag sec
13.11
delta mag (ΔM)
4.29
Spectral class
B0.5IVp (blue-white)
Pri motion ra
-004
Sec motion ra
-005
Pri motion dec
-007
Sec motion dec
-005
Notes
N (See Notes)
rPM=0.277 (< 0.3, Physical double)
This double is physical.
 
 
20057+3536 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 69391 20057+3536 SHJ 316 AB 1876 2012 25 323 69.6 7.79 8.82 1.03
Show 20057+3536 ES 24 BC 1900 2002 5 242 11.2 8.82 13.80 4.98
Show 20057+3536 ES 24 BD 1900 2002 8 85 16.9 8.82 13.11 4.29 <===
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Cygnus
Tycho2
2678-00808-1
HD
227586
last precise pa
84.5
last precise sep
16.86