10151+3931 OSV 4 AB

 
 
10h 15m 06.40s +39° 31' 01.0" P.A. 41.00 sep 97.0 mag 10.30,10.69 Sp M0+M0.5 dist. 28.47 pc (92.87 l.y.)
 
 
Coord 2000 10151+3931 Discov num OSV   4 Comp AB Coord arcsec 2000 10 15 06.40 +39 31 01.0
Date first 1893 Date last 2016 Obs 17
Pa first 40 Pa last 40.6 P.A. Now (θ) 40.6°
Sep first 97.8 Sep last 97.006 Sep. Now (ρ) 97.006"
Mag pri 10.30 Mag sec 10.69 delta mag (ΔM) 0.39 Spectral class M0+M0.5 (red/red)
Pri motion ra +044 Sec motion ra +040
Pri motion dec +157 Sec motion dec +162
Notes V (Proper motion indicates physical)
rPM=0.038 (< 0.3, Physical double)
This double is physical.
 
 
10151+3931 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 10 15 06 +39 31 01 OSV 4 AB 2016 17 41 97.0 10.30 10.69 0.39 <===
Show 10 15 06 +39 31 01 SIN 50 AC 2015 8 313 83.2 10.30 13.15 2.85
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Leo Minor HIP 50226 Tycho2 3001-00150-1 Gaia DR2 802677611798044032
Distance 28.47 Distance ly 92.87