20108+2029 HDS 2875 (HD 191721)

 
 
20h 10m 45.15s +20 29' 12.7" P.A. 231.00 sep 0.3 mag 7.61,9.46 Sp B8 dist. 452.49 pc (1476.02 l.y.)
 
 
Coord 2000 20108+2029 Discov num HDS2875 Comp Coord arcsec 2000 20 10 45.15 +20 29 12.7
Date first 1991 Date last 2011 Obs 4
Pa first 231 Pa last 230.9 P.A. Now (θ) 230.9°
Sep first 0.3 Sep last 0.306 Sep. Now (ρ) 0.306"
Mag pri 7.61 Mag sec 9.46 delta mag (ΔM) 1.85 Spectral class B8 (blue-white)
Pri motion ra -002 Sec motion ra
Pri motion dec -008 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 191721 Constellation Sagitta SAO 88299 HIP 99421
Tycho2 1626-00634-1 Gaia DR2 1828813777784480128 HD 191721 BD BD+20 4461
Distance 452.49 Distance ly 1476.02