21291+3102 BRT 288

 
 
21h 29m 02.76s +31° 02' 44.8" P.A. 96.00 sep 4.8 mag 11.34,11.40
 
 
Coord 2000 21291+3102 Discov num BRT 288 Comp Coord arcsec 2000 21 29 02.76 +31 02 44.8
Date first 1895 Date last 2016 Obs 13
Pa first 97 Pa last 96.2 P.A. Now (θ) 96.2°
Sep first 4.2 Sep last 4.846 Sep. Now (ρ) 4.846"
Mag pri 11.34 Mag sec 11.40 delta mag (ΔM) 0.06 Spectral class
Pri motion ra -014 Sec motion ra
Pri motion dec +009 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 2704-01860-1 Gaia DR2 1850393617609318272