20311+1600 BPM 2181

 
 
20h 31m 08.70s +16° 00' 02.2" P.A. 57.00 sep 94.1 mag 13.84,15.42
 
 
Coord 2000 20311+1600 Discov num BPM2181 Comp Coord arcsec 2000 20 31 08.70 +16 00 02.2
Date first 1993 Date last 2015 Obs 9
Pa first 57 Pa last 56.7 P.A. Now (θ) 56.7°
Sep first 94.1 Sep last 94.141 Sep. Now (ρ) 94.141"
Mag pri 13.84 Mag sec 15.42 delta mag (ΔM) 1.58 Spectral class
Pri motion ra -001 Sec motion ra -012
Pri motion dec -004 Sec motion dec -006
Notes N V (See Notes, Proper motion indicates physical)
rPM=0.833
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Delphinus Gaia DR2 1811592676899750016