20475+5553 HJ 1580

 
 
20h 47m 31.69s +55° 53' 05.7" P.A. 245.00 sep 10.9 mag 9.38,12.65 Sp B8 dist. 384.62 pc (1254.63 l.y.)
 
 
Coord 2000 20475+5553 Discov num HJ 1580 Comp Coord arcsec 2000 20 47 31.69 +55 53 05.7
Date first 1828 Date last 2015 Obs 11
Pa first 249 Pa last 244.9 P.A. Now (θ) 244.9°
Sep first 4.0 Sep last 10.871 Sep. Now (ρ) 10.871"
Mag pri 9.38 Mag sec 12.65 delta mag (ΔM) 3.27 Spectral class B8 (blue-white)
Pri motion ra -002 Sec motion ra -005
Pri motion dec -006 Sec motion dec -002
Notes
rPM=0.791
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cepheus SAO 32895 HIP 102597 Tycho2 3955-01333-1
Gaia DR2 2183906486800560128 HD 239498 BD BD+55 2467 Distance 384.62
Distance ly 1254.63