20153+2536 BU 983 AB (QR Vul)

 
 
20h 15m 15.89s +25 35' 31.1" P.A. 190.00 sep 0.4 mag 4.80,7.55 Sp B3V dist. 303.95 pc (991.48 l.y.)
 
 
Coord 2000 20153+2536 Discov num BU  983 Comp AB Coord arcsec 2000 20 15 15.89 +25 35 31.1
Date first 1879 Date last 2016 Obs 31
Pa first 154 Pa last 190.1 P.A. Now (θ) 190.1°
Sep first 0.8 Sep last 0.433 Sep. Now (ρ) 0.433"
Mag pri 4.80 Mag sec 7.55 delta mag (ΔM) 2.75 Spectral class B3V (blue-white)
Pri motion ra +002 Sec motion ra
Pri motion dec -007 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
20153+2536 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show QR Vul 88410 20 15 16 +25 35 31 BU 983 AB 2016 31 190 0.4 4.80 7.55 2.75 <===
Show 88410 20 15 16 +25 35 31 BU 983 AC 2015 6 83 115.7 4.80 9.70 4.90
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name QR Vul Constellation Vulpecula SAO 88410 HIP 99824
Tycho2 2159-02068-1 Gaia DR2 1835335977682835200 HD 192685 HR 7739
GC 28140 ADS 13589 BD BD+25 4165 Distance 303.95
Distance ly 991.48