19500+1757 H 4 99 AD

 
 
19h 49m 59.91s +17 57' 26.0" P.A. 340.00 sep 44.1 mag 7.99,13.23 Sp B7Vp
 
 
Coord 2000 19500+1757 Discov num H 4  99 Comp AD Coord arcsec 2000 19 49 59.91 +17 57 26.0
Date first 1879 Date last 2018 Obs 11
Pa first 340 Pa last 339.6 P.A. Now (θ) 339.6°
Sep first 50.0 Sep last 44.05 Sep. Now (ρ) 44.05"
Mag pri 7.99 Mag sec 13.23 delta mag (ΔM) 5.24 Spectral class B7Vp (blue-white)
Pri motion ra +001 Sec motion ra +006
Pri motion dec -012 Sec motion dec -022
Notes N U (See Notes, Proper motion indicates non-physical)
rPM=0.49
This double is not physical.
 
 
19500+1757 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 187566 105324 19 49 60 +17 57 26 H 4 99 AB 2018 17 83 25.6 7.99 11.07 3.08
Show 105324 19 49 60 +17 57 26 H 4 99 AC 2018 23 256 68.8 7.99 9.10 1.11
Show 105324 19 49 60 +17 57 26 H 4 99 AD 2018 11 340 44.1 7.99 13.23 5.24 <===
Show 105324 19 49 60 +17 57 26 ABH 126 AE 2018 10 143 71.0 7.99 13.42 5.43
Quintuple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagitta SAO 105324 Tycho2 1619-02489-1 Gaia DR2 1821439903076671488
HD 187566