20042+3728 ALI 654

 
 
20h 04m 06.30s +37 27' 59.8" P.A. 351.00 sep 10.9 mag 9.03,12.60 Sp B9
 
 
Coord 2000 20042+3728 Discov num ALI 654 Comp Coord arcsec 2000 20 04 06.30 +37 27 59.8
Date first 1929 Date last 2015 Obs 9
Pa first 350 Pa last 351.3 P.A. Now (θ) 351.3°
Sep first 11.6 Sep last 10.945 Sep. Now (ρ) 10.945"
Mag pri 9.03 Mag sec 12.60 delta mag (ΔM) 3.57 Spectral class B9 (blue-white)
Pri motion ra -002 Sec motion ra -005
Pri motion dec -005 Sec motion dec +001
Notes
rPM=1.246
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus SAO 69349 Tycho2 2682-00072-1 Gaia DR2 2060269290504316544
HD 190550 DM BD+37 3749