20456+4621 HDS 2955

 
 
20h 45m 35.28s +46° 21' 02.1" P.A. 289.00 sep 0.4 mag 9.25,12.42 Sp O9V dist. 1298.7 pc (4236.36 l.y.)
 
 
Coord 2000 20456+4621 Discov num HDS2955 Comp Coord arcsec 2000 20 45 35.28 +46 21 02.1
Date first 1991 Date last 2009 Obs 2
Pa first 290 Pa last 288.9 P.A. Now (θ) 288.9°
Sep first 0.4 Sep last 0.387 Sep. Now (ρ) 0.387"
Mag pri 9.25 Mag sec 12.42 delta mag (ΔM) 3.17 Spectral class O9V (blue)
Pri motion ra -002 Sec motion ra
Pri motion dec -005 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus HIP 102449 Tycho2 3574-00466-1 Gaia DR2 2166553616342929664
BD BD+45 3260 Distance 1298.7 Distance ly 4236.36