20422+4041 MLB 23

 
 
20h 42m 10.11s +40° 40' 51.8" P.A. 41.00 sep 7.6 mag 9.00,10.90 Sp G0
 
 
Coord 2000 20422+4041 Discov num MLB  23 Comp Coord arcsec 2000 20 42 10.11 +40 40 51.8
Date first 1892 Date last 2015 Obs 16
Pa first 43 Pa last 40.7 P.A. Now (θ) 40.7°
Sep first 7.0 Sep last 7.617 Sep. Now (ρ) 7.617"
Mag pri 9.00 Mag sec 10.90 delta mag (ΔM) 1.9 Spectral class G0 (yellow)
Pri motion ra +083 Sec motion ra
Pri motion dec +011 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3170-00667-1 Gaia DR2 2066050213373111296