21048+3531 GRV 410 BC

 
 
21h 04m 49.19s +35° 31' 53.5" P.A. 82.00 sep 17.2 mag 9.58,12.90 Sp K0
 
 
Coord 2000 21048+3531 Discov num GRV 410 Comp BC Coord arcsec 2000 21 04 49.19 +35 31 53.5
Date first 1905 Date last 2016 Obs 10
Pa first 83 Pa last 81.6 P.A. Now (θ) 81.6°
Sep first 16.7 Sep last 17.187 Sep. Now (ρ) 17.187"
Mag pri 9.58 Mag sec 12.90 delta mag (ΔM) 3.32 Spectral class K0 (yellow-orange)
Pri motion ra +015 Sec motion ra +021
Pri motion dec +017 Sec motion dec +017
Notes N (See Notes)
rPM=0.222 (< 0.3, Physical double)
This double is physical.
 
 
21048+3531 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 21 04 46 +35 30 39 S 773 AB 2015 19 30 86.3 9.11 9.58 0.47
Show 21 04 49 +35 31 54 TDT 2727 Ba,Bb 1991 1 170 0.4 10.23 10.28 0.05
Show 21 04 49 +35 31 54 GRV 410 BC 2016 10 82 17.2 9.58 12.90 3.32 <===
Quadruple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 2709-01995-1 Gaia DR2 1868193680080253824