20156+1526 HDS 2887 AB

 
 
20h 15m 33.68s +15 26' 12.9" P.A. 244.00 sep 4.7 mag 8.85,13.18 Sp A0p... dist. 699.3 pc (2281.12 l.y.)
 
 
Coord 2000 20156+1526 Discov num HDS2887 Comp AB Coord arcsec 2000 20 15 33.68 +15 26 12.9
Date first 1991 Date last 1991 Obs 2
Pa first 244 Pa last 243.8 P.A. Now (θ) 243.8°
Sep first 4.7 Sep last 4.72 Sep. Now (ρ) 4.72"
Mag pri 8.85 Mag sec 13.18 delta mag (ΔM) 4.33 Spectral class A0p... (white)
Pri motion ra -001 Sec motion ra -001
Pri motion dec -011 Sec motion dec -011
Notes
Nature of this double is uncertain.
 
 
20156+1526 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 105902 20 15 34 +15 26 13 HDS 2887 AB 1991 2 244 4.7 8.85 13.18 4.33 <===
Show HD 192686 105902 20 15 34 +15 26 13 CHE 246 AC 2016 11 87 15.9 8.85 11.00 2.15
Show 105902 20 15 34 +15 26 13 CVP 1 AD 2016 8 340 39.7 8.85 12.75 3.90
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Delphinus SAO 105902 HIP 99857 Tycho2 1618-01698-1
Gaia DR2 1808316544571397760 HD 192686 BD BD+14 4240 Distance 699.3
Distance ly 2281.12