21570-4139 UC 4608

 
 
21h 57m 01.69s -41° 39' 26.7" P.A. 88.00 sep 17.2 mag 12.00,12.60
 
 
Coord 2000 21570-4139 Discov num UC 4608 Comp Coord arcsec 2000 21 57 01.69 -41 39 26.7
Date first 1901 Date last 2015 Obs 8
Pa first 91 Pa last 88.4 P.A. Now (θ) 88.4°
Sep first 16.7 Sep last 17.246 Sep. Now (ρ) 17.246"
Mag pri 12.00 Mag sec 12.60 delta mag (ΔM) 0.6 Spectral class
Pri motion ra +036 Sec motion ra +039
Pri motion dec -044 Sec motion dec -047
Notes V R (Proper motion indicates physical, Red magnitudes)
rPM=0.069 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Grus Tycho2 7990-00076-1 Gaia DR2 6571692698986795392