20307+1233 BPM 2177

 
 
20h 30m 42.84s +12° 33' 21.0" P.A. 220.00 sep 71.0 mag 15.16,15.86
 
 
Coord 2000 20307+1233 Discov num BPM2177 Comp Coord arcsec 2000 20 30 42.84 +12 33 21.0
Date first 1996 Date last 2015 Obs 7
Pa first 220 Pa last 219.6 P.A. Now (θ) 219.6°
Sep first 70.7 Sep last 71.042 Sep. Now (ρ) 71.042"
Mag pri 15.16 Mag sec 15.86 delta mag (ΔM) 0.7 Spectral class
Pri motion ra +017 Sec motion ra +020
Pri motion dec +019 Sec motion dec +020
Notes N V (See Notes, Proper motion indicates physical)
rPM=0.112 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Delphinus Gaia DR2 1755777893260883072