20117-0435 STF 2636 (HD 191750)

20h 11m 39.98s -04° 35' 24.4" P.A. 203.00 sep 12.5 mag 9.41,10.36 Sp B9V+B6V dist. 1666.67 pc (5436.68 l.y.)

Coord 2000 20117-0435 Discov num STF2636 Comp Coord arcsec 2000 20 11 39.98 -04 35 24.4
Date first 1827 Date last 2015 Obs 30
Pa first 202 Pa last 203 P.A. Now (θ) 203°
Sep first 12.5 Sep last 12.547 Sep. Now (ρ) 12.547"
Mag pri 9.41 Mag sec 10.36 delta mag (ΔM) 0.95 Spectral class B9V+B6V (blue-white/blue-white)
Pri motion ra -004 Sec motion ra -006
Pri motion dec -014 Sec motion dec -014
Notes V (Proper motion indicates physical)




rPM=0.131 (< 0.3, Physical double)

This double is physical.



OTHER CATALOGS AND DESIGNATIONS

Name HD 191750 Constellation Aquila SAO 144156 HIP 99507
Tycho2 5169-02185-1 Gaia DR2 4220700237646361856 HD 191750 GC 28020
BD BD-05 5181 Distance 1666.67 Distance ly 5436.68