20105+2920 HDS 2874 Ca,Cb

 
 
20h 10m 32.24s +29 21' 49.7" P.A. 251.00 sep 0.4 mag 7.61,11.49 Sp B9 dist. 350.88 pc (1144.57 l.y.)
 
 
Coord 2000 20105+2920 Discov num HDS2874 Comp Ca,Cb Coord arcsec 2000 20 10 32.24 +29 21 49.7
Date first 1991 Date last 2012 Obs 3
Pa first 275 Pa last 251 P.A. Now (θ) 251°
Sep first 0.3 Sep last 0.379 Sep. Now (ρ) 0.379"
Mag pri 7.61 Mag sec 11.49 delta mag (ΔM) 3.88 Spectral class B9 (blue-white)
Pri motion ra +004 Sec motion ra
Pri motion dec -003 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
20105+2920 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 10 29 +29 20 05 BRT 46 AB 2015 19 79 5.3 11.24 11.80 0.56
Show 88297 20 10 29 +29 20 05 MLB 477 AC 2018 11 24 113.7 11.24 7.59 3.65
Show 88297 20 10 32 +29 21 50 HDS 2874 Ca,Cb 2012 3 251 0.4 7.61 11.49 3.88 <===
Quadruple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name V398 Vul Constellation Vulpecula SAO 88297 HIP 99402
Tycho2 2166-01101-1 Gaia DR2 2029491451768415360 HD 191745 BD BD+28 3646
Distance 350.88 Distance ly 1144.57