11503+3741 HDS 1670 AB (HU UMa)

 
 
11h 50m 19.06s +37° 40' 51.7" P.A. 25.00 sep 1.2 mag 11.95,12.50 Sp M0V dist. 63.65 pc (207.63 l.y.)
 
 
Coord 2000 11503+3741 Discov num HDS1670 Comp AB Coord arcsec 2000 11 50 19.06 +37 40 51.7
Date first 1991 Date last 2016 Obs 8
Pa first 28 Pa last 25 P.A. Now (θ) 25°
Sep first 1.2 Sep last 1.19 Sep. Now (ρ) 1.19"
Mag pri 11.95 Mag sec 12.50 delta mag (ΔM) 0.55 Spectral class M0V (red)
Pri motion ra -131 Sec motion ra -131
Pri motion dec -074 Sec motion dec -074
Notes N Z (See Notes, Parallax indicates components are physical)
This double is physical.
 
 
11503+3741 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HU UMa 11 50 19 +37 40 52 HDS 1670 AB 2016 8 25 1.2 11.95 12.50 0.55 <===
Show 11 50 19 +37 40 52 HJ 510 AB,C 2016 14 252 25.0 11.95 11.88 0.07
Triple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name HU UMa Constellation Ursa Major HIP 57731 Tycho2 3014-00564-1
Gaia DR2 4032869738555722112 Distance 63.65 Distance ly 207.63