20510+3915 SEI 1279 BC

20h 51m 01.51s +39° 15' 05.6" P.A. 189.00 sep 7.3 mag 11.90,12.50

Coord 2000 20510+3915 Discov num SEI1279 Comp BC Coord arcsec 2000 20 51 01.51 +39 15 05.6
Date first 1998 Date last 2016 Obs 7
Pa first 191 Pa last 189.1 P.A. Now (θ) 189.1°
Sep first 7.7 Sep last 7.342 Sep. Now (ρ) 7.342"
Mag pri 11.90 Mag sec 12.50 delta mag (ΔM) 0.6 Spectral class
Pri motion ra -007 Sec motion ra +007
Pri motion dec -008 Sec motion dec -001
Notes N (See Notes)




rPM=1.472

This double is not physical.



20510+3915 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 51 01 +39 15 16 SEI 1279 AB 2016 9 147 12.9 12.40 11.90 0.50
Show 20 51 02 +39 15 06 SEI 1279 BC 2016 7 189 7.3 11.90 12.50 0.60 <===


Triple system
3 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Constellation Cygnus Gaia DR2 1872790566402829568