20293+3731 WEI  35CD

 
 
20h 29m 20.78s +37 30' 30.9" P.A. 202 sep 12.1 mag 9.40,10.55 Sp B8
 
 
Coord 2000
20293+3731
Discov num
WEI  35
Comp
CD
Coord arcsec 2000
20 29 20.78 +37 30 30.9
Date first
1879
Date last
2012
Obs
20
Pa first
201
Pa last
202
P.A. Now (θ)
202°
Sep first
11.9
Sep last
12.1
Sep. Now (ρ)
12.1"
Mag pri
9.40
Mag sec
10.55
delta mag (ΔM)
1.15
Spectral class
B8 (blue-white)
Pri motion ra
+001
Sec motion ra
+002
Pri motion dec
-005
Sec motion dec
-005
Notes
N (See Notes)
rPM=0.186 (< 0.3, Physical double)
This double is physical.
 
 
20293+3731 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20293+3731 WEI 35 AB 1879 2016 43 214 4.1 8.35 8.81 0.46
Show 20293+3731 WEI 35 AC 1883 2012 21 100 88.0 8.35 9.40 1.05
Show 20293+3731 WEI 35 BC 1883 2009 19 98 89.2 8.81 9.40 0.59
Show 20293+3731 WEI 35 CD 1879 2012 20 202 12.1 9.40 10.55 1.15 <===
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
202
Precise sep
12.1
Cdsa2 id
WEI 35 CD
Constellation
Cygnus
Ra deg
20.489105555555557
De deg
37.508583333333334
last precise pa
202
last precise sep
12.1
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20293+3731 WEI 35 CD 1998 17 201 12.1 9.40 10.40 B8 D 202920.78+373030.9
20293+3731 WEI 35 CD 2009 18 201 12.1 9.40 10.40 B8 D 202920.78+373030.9
20293+3731 WEI 35 CD 2012 20 202 12.1 9.40 10.40 B8 D 202920.78+373030.9

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