20108+3713 SLE 952 BC

20h 10m 50.43s +37° 12' 25.1" P.A. 91.00 sep 6.8 mag 12.59,12.83

Coord 2000 20108+3713 Discov num SLE 952 Comp BC Coord arcsec 2000 20 10 50.43 +37 12 25.1
Date first 1985 Date last 2015 Obs 8
Pa first 94 Pa last 90.9 P.A. Now (θ) 90.9°
Sep first 7.2 Sep last 6.819 Sep. Now (ρ) 6.819"
Mag pri 12.59 Mag sec 12.83 delta mag (ΔM) 0.24 Spectral class
Pri motion ra +002 Sec motion ra +002
Pri motion dec +005 Sec motion dec +007
Notes




rPM=0.275 (< 0.3, Physical double)

This double is physical.



20108+3713 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 10 53 +37 12 28 TOB 174 AB 2015 8 263 25.1 11.07 12.59 1.52
Show 20 10 50 +37 12 25 SLE 952 BC 2015 8 91 6.8 12.59 12.83 0.24 <===
Show 20 10 50 +37 12 25 SLE 952 BD 2015 8 353 12.2 12.59 13.58 0.99


Quadruple system
4 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Constellation Cygnus Gaia DR2 2060775203287810944