21398-3916 WG 275

 
 
21h 39m 45.39s -39° 15' 51.5" P.A. 44.00 sep 2.9 mag 10.69,12.20
 
 
Coord 2000 21398-3916 Discov num WG  275 Comp Coord arcsec 2000 21 39 45.39 -39 15 51.5
Date first 1904 Date last 2016 Obs 6
Pa first 47 Pa last 43.8 P.A. Now (θ) 43.8°
Sep first 3.2 Sep last 2.856 Sep. Now (ρ) 2.856"
Mag pri 10.69 Mag sec 12.20 delta mag (ΔM) 1.51 Spectral class
Pri motion ra +000 Sec motion ra
Pri motion dec +010 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Grus Tycho2 7980-00867-1 Gaia DR2 6585497204912025216