21098+4001 GRV 430 AB

 
 
21h 09m 50.26s +40° 01' 33.1" P.A. 351.00 sep 47.1 mag 10.09,12.92
 
 
Coord 2000 21098+4001 Discov num GRV 430 Comp AB Coord arcsec 2000 21 09 50.26 +40 01 33.1
Date first 1998 Date last 2015 Obs 4
Pa first 351 Pa last 350.9 P.A. Now (θ) 350.9°
Sep first 47.1 Sep last 47.078 Sep. Now (ρ) 47.078"
Mag pri 10.09 Mag sec 12.92 delta mag (ΔM) 2.83 Spectral class
Pri motion ra -022 Sec motion ra -036
Pri motion dec -018 Sec motion dec -005
Notes N (See Notes)
rPM=0.526
Nature of this double is uncertain.
 
 
21098+4001 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 21 09 50 +40 01 33 GRV 430 AB 2015 4 351 47.1 10.09 12.92 2.83 <===
Show 21 09 50 +40 01 33 GRV 429 AC 2015 6 168 48.5 10.09 14.08 3.99
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3172-00476-1 Gaia DR2 1968391861175765760