20122+1712 BPM 2054

 
 
20h 12m 09.41s +17° 12' 05.3" P.A. 267.00 sep 31.2 mag 11.56,15.21
 
 
Coord 2000 20122+1712 Discov num BPM2054 Comp Coord arcsec 2000 20 12 09.41 +17 12 05.3
Date first 1992 Date last 2015 Obs 9
Pa first 267 Pa last 267 P.A. Now (θ) 267°
Sep first 31.4 Sep last 31.233 Sep. Now (ρ) 31.233"
Mag pri 11.56 Mag sec 15.21 delta mag (ΔM) 3.65 Spectral class
Pri motion ra -024 Sec motion ra -018
Pri motion dec -018 Sec motion dec -007
Notes N V (See Notes, Proper motion indicates physical)
rPM=0.418
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagitta Tycho2 1622-01974-1 Gaia DR2 1809575691553296512 HD 351807