21085+5603 PET 1 (HD 239581)

 
 
21h 08m 27.65s +56° 02' 43.2" P.A. 343.00 sep 0.2 mag 7.70,11.00 Sp B2V dist. 704.23 pc (2297.2 l.y.)
 
 
Coord 2000 21085+5603 Discov num PET   1 Comp Coord arcsec 2000 21 08 27.65 +56 02 43.2
Date first 2007 Date last 2007 Obs 1
Pa first 343 Pa last 343 P.A. Now (θ) 343°
Sep first 0.2 Sep last 0.15 Sep. Now (ρ) 0.15"
Mag pri 7.70 Mag sec 11.00 delta mag (ΔM) 3.3 Spectral class B2V (blue-white)
Pri motion ra -002 Sec motion ra
Pri motion dec -004 Sec motion dec
Notes R (Red magnitudes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 239581 Constellation Cepheus SAO 33168 HIP 104356
Tycho2 3957-01726-1 Gaia DR2 2189315396815957376 HD 239581 BD BD+55 2530
Distance 704.23 Distance ly 2297.2