20051+2039 BUP 203 AB

 
 
20h 05m 04.91s +20° 38' 53.3" P.A. 247.00 sep 13.4 mag 8.75,13.50 Sp C6II
 
 
Coord 2000 20051+2039 Discov num BUP 203 Comp AB Coord arcsec 2000 20 05 04.91 +20 38 53.3
Date first 1895 Date last 2015 Obs 7
Pa first 249 Pa last 247.2 P.A. Now (θ) 247.2°
Sep first 13.0 Sep last 13.376 Sep. Now (ρ) 13.376"
Mag pri 8.75 Mag sec 13.50 delta mag (ΔM) 4.75 Spectral class C6II (red carbon star)
Pri motion ra +001 Sec motion ra +000
Pri motion dec -001 Sec motion dec -006
Notes N (See Notes)
rPM=0.85
This double is not physical.
 
 
20051+2039 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 05 05 +20 38 53 BUP 203 AB 2015 7 247 13.4 8.75 13.50 4.75 <===
Show 20 05 05 +20 38 53 BUP 203 AC 2015 8 102 59.4 8.75 12.97 4.22
Show HD 190606 20 05 05 +20 38 53 BLL 44 AD 2015 9 95 75.3 8.75 12.20 3.45
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name X Sge Constellation Sagitta HIP 98909 Tycho2 1629-01033-1
Gaia DR2 1823613843707604736 HD 190606 BD BD+20 4417