20177+1739 BPMA 245

 
 
20h 17m 39.07s +17° 38' 30.3" P.A. 202.00 sep 257.4 mag 14.40,15.50
 
 
Coord 2000 20177+1739 Discov num BPMA245 Comp Coord arcsec 2000 20 17 39.07 +17 38 30.3
Date first 1997 Date last 2015 Obs 9
Pa first 201 Pa last 201.9 P.A. Now (θ) 201.9°
Sep first 262.3 Sep last 257.362 Sep. Now (ρ) 257.362"
Mag pri 14.40 Mag sec 15.50 delta mag (ΔM) 1.1 Spectral class
Pri motion ra +038 Sec motion ra +034
Pri motion dec -035 Sec motion dec -045
Notes N V (See Notes, Proper motion indicates physical)
rPM=0.191 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagitta Gaia DR2 1810025975914554880