20137+4050 DOO 13 (HD 228446)

 
 
20h 13m 44.60s +40 50' 19.2" P.A. 258.00 sep 3.0 mag 9.94,10.39 Sp B2I: dist. 4166.67 pc (13591.68 l.y.)
 
 
Coord 2000 20137+4050 Discov num DOO  13 Comp Coord arcsec 2000 20 13 44.60 +40 50 19.2
Date first 1900 Date last 2018 Obs 24
Pa first 258 Pa last 258.2 P.A. Now (θ) 258.2°
Sep first 2.8 Sep last 3.021 Sep. Now (ρ) 3.021"
Mag pri 9.94 Mag sec 10.39 delta mag (ΔM) 0.45 Spectral class B2I: (blue-white)
Pri motion ra -002 Sec motion ra -003
Pri motion dec -006 Sec motion dec -006
Notes N (See Notes)
rPM=0.149 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 228446 Constellation Cygnus HIP 99688 Tycho2 3155-01471-1
Gaia DR2 2062582044472384512 HD 228446 ADS 13556 BD BD+40 4068
Distance 4166.67 Distance ly 13591.68