20108+3713 SLE 952BD

 
 
20h 10m 50.43s +37 12' 25.1" P.A. 353 sep 12.2 mag 12.59,13.58
 
 
Coord 2000
20108+3713
Discov num
SLE 952
Comp
BD
Coord arcsec 2000
20 10 50.43 +37 12 25.1
Date first
1985
Date last
2015
Obs
4
Pa first
353
Pa last
353
P.A. Now (θ)
353°
Sep first
11.3
Sep last
12.2
Sep. Now (ρ)
12.2"
Mag pri
12.59
Mag sec
13.58
delta mag (ΔM)
0.99
Spectral class
Pri motion ra
+002
Sec motion ra
+021
Pri motion dec
+005
Sec motion dec
+019
Notes
rPM=0.833
This double is not physical.
 
 
20108+3713 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20108+3713 TOB 174 AB 1983 2015 4 263 25.1 11.07 12.59 1.52
Show 20108+3713 SLE 952 BC 1985 2015 4 91 6.8 12.59 12.83 0.24
Show 20108+3713 SLE 952 BD 1985 2015 4 353 12.2 12.59 13.58 0.99 <===
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
353.4
Precise sep
12.245
Constellation
Cygnus
Tycho2
2683-01307-1
last precise pa
353.4
last precise sep
12.245
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20108+3713 SLE 952 BD 1998 2 352 11.9 12.59 13.58 D 201050.43+371225.1
20108+3713 SLE 952 BD 2002 3 352 12.0 12.59 13.58 D 201050.43+371225.1
20108+3713 SLE 952 BD 2010 4 350 12.1 12.59 13.58 201050.43+371225.1
20108+3713 SLE 952 BD 2015 4 353 12.2 12.59 13.58 201050.43+371225.1

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