20306+2158 BRT 2478

 
 
20h 30m 34.04s +21 57' 43.2" P.A. 297.00 sep 3.6 mag 9.90,10.00
 
 
Coord 2000 20306+2158 Discov num BRT2478 Comp Coord arcsec 2000 20 30 34.04 +21 57 43.2
Date first 1892 Date last 2015 Obs 16
Pa first 299 Pa last 297.1 P.A. Now (θ) 297.1°
Sep first 3.3 Sep last 3.553 Sep. Now (ρ) 3.553"
Mag pri 9.90 Mag sec 10.00 delta mag (ΔM) 0.1 Spectral class
Pri motion ra +008 Sec motion ra +001
Pri motion dec -006 Sec motion dec -005
Notes N (See Notes)
rPM=0.707
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Vulpecula Gaia DR2 1818652636761590016