00261+4411 BU 489 AB (HD 2171)

 
 
00h 26m 04.13s +44 10' 35.9" P.A. 137.00 sep 4.7 mag 8.59,12.30 Sp K2 dist. 193.8 pc (632.18 l.y.)
 
 
Coord 2000 00261+4411 Discov num BU  489 Comp AB Coord arcsec 2000 00 26 04.13 +44 10 35.9
Date first 1877 Date last 2016 Obs 15
Pa first 179 Pa last 136.8 P.A. Now (θ) 136.8°
Sep first 2.5 Sep last 4.65 Sep. Now (ρ) 4.65"
Mag pri 8.59 Mag sec 12.30 delta mag (ΔM) 3.71 Spectral class K2 (yellow-orange)
Pri motion ra -005 Sec motion ra -005
Pri motion dec -013 Sec motion dec -015
Notes
rPM=0.126 (< 0.3, Physical double)
This double is physical.
 
 
00261+4411 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 2171 36361 00 26 04 +44 10 36 BU 489 AB 2016 15 137 4.7 8.59 12.30 3.71 <===
Show 36361 00 26 04 +44 10 36 FOX 107 AC 2015 12 197 103.8 8.59 11.07 2.48
Show 36361 00 26 04 +44 10 36 TOB 10 AD 2015 12 147 163.1 8.59 11.04 2.45
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 2171 Constellation Andromeda SAO 36361 HIP 2059
Tycho2 2795-00408-1 Gaia DR2 382747767227783936 HD 2171 BD BD+43 80
Distance 193.8 Distance ly 632.18