20387+1139 GWP 2975

 
 
20h 38m 43.31s +11° 39' 07.0" P.A. 166.00 sep 5.8 mag 12.90,14.10
 
 
Coord 2000 20387+1139 Discov num GWP2975 Comp Coord arcsec 2000 20 38 43.31 +11 39 07.0
Date first 1987 Date last 2016 Obs 8
Pa first 165 Pa last 165.8 P.A. Now (θ) 165.8°
Sep first 5.2 Sep last 5.797 Sep. Now (ρ) 5.797"
Mag pri 12.90 Mag sec 14.10 delta mag (ΔM) 1.2 Spectral class
Pri motion ra -020 Sec motion ra -016
Pri motion dec -096 Sec motion dec -096
Notes V K (Proper motion indicates physical, K-band or other infrared magnitudes)
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
rPM=0.041 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Delphinus Gaia DR2 1754643953173905920