01409+4952 HU 531 AB,C

 
 
01h 40m 52.28s +49 52' 29.9" P.A. 280.00 sep 6.1 mag 9.84,10.02 Sp K1V
 
 
Coord 2000 01409+4952 Discov num HU  531 Comp AB,C Coord arcsec 2000 01 40 52.28 +49 52 29.9
Date first 1902 Date last 2015 Obs 30
Pa first 281 Pa last 279.5 P.A. Now (θ) 279.5°
Sep first 6.0 Sep last 6.13 Sep. Now (ρ) 6.13"
Mag pri 9.84 Mag sec 10.02 delta mag (ΔM) 0.18 Spectral class K1V (yellow-orange)
Pri motion ra +054 Sec motion ra +048
Pri motion dec -017 Sec motion dec -028
Notes N (See Notes)
rPM=0.221 (< 0.3, Physical double)
This double is physical.
 
 
01409+4952 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 01 40 52 +49 52 30 HU 531 AB 2016 23 352 0.5 9.50 10.00 0.50 Y
Show 01 40 52 +49 52 30 HU 531 AB,C 2015 30 280 6.1 9.84 10.02 0.18 <===
Show 01 40 52 +49 52 30 HU 531 BC 2021 10 282 6.6 9.84 10.02 0.18
Triple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Andromeda Tycho2 3286-02300-1