00214+2744 COU 347 Aa,Ab (HD 1688)

 
 
00h 21m 21.37s +27 44' 01.0" P.A. 48.00 sep 0.4 mag 8.72,10.22 Sp F8 dist. 523.56 pc (1707.85 l.y.)
 
 
Coord 2000 00214+2744 Discov num COU 347 Comp Aa,Ab Coord arcsec 2000 00 21 21.37 +27 44 01.0
Date first 1969 Date last 2018 Obs 13
Pa first 60 Pa last 47.7 P.A. Now (θ) 47.7°
Sep first 0.4 Sep last 0.44 Sep. Now (ρ) 0.44"
Mag pri 8.72 Mag sec 10.22 delta mag (ΔM) 1.5 Spectral class F8 (yellow-white)
Pri motion ra +019 Sec motion ra
Pri motion dec -014 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
00214+2744 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 1688 73916 00 21 21 +27 44 01 COU 347 Aa,Ab 2018 13 48 0.4 8.72 10.22 1.50 <===
Show 73916 00 21 21 +27 44 01 CHE 10 AB 2015 10 92 10.1 8.44 13.00 4.56
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 1688 Constellation Andromeda SAO 73916 HIP 1699
Tycho2 1736-00396-1 Gaia DR2 2857043860554165248 HD 1688 BD BD+26 39
Distance 523.56 Distance ly 1707.85