01165+4427 HJ 2031 AB (HD 7577)

 
 
01h 16m 32.85s +44 26' 41.2" P.A. 342.00 sep 45.7 mag 8.48,9.52 Sp B9
 
 
Coord 2000 01165+4427 Discov num HJ 2031 Comp AB Coord arcsec 2000 01 16 32.85 +44 26 41.2
Date first 1903 Date last 2015 Obs 17
Pa first 342 Pa last 341.9 P.A. Now (θ) 341.9°
Sep first 46.0 Sep last 45.66 Sep. Now (ρ) 45.66"
Mag pri 8.48 Mag sec 9.52 delta mag (ΔM) 1.04 Spectral class B9 (blue-white)
Pri motion ra +003 Sec motion ra +004
Pri motion dec -003 Sec motion dec -003
Notes
rPM=0.2 (< 0.3, Physical double)
This double is physical.
 
 
01165+4427 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 7577 37071 01 16 33 +44 26 41 HJ 2031 AB 2015 17 342 45.7 8.48 9.52 1.04 <===
Show 01 16 32 +44 27 25 HJ 2031 BC 2014 8 263 21.0 9.52 13.70 4.18
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 7577 Constellation Andromeda SAO 37071 Tycho2 2812-00571-1
Gaia DR2 397728303918639488 HD 7577