19159+2727 WAL 108 AB,D

 
 
19h 15m 56.96s +27° 27' 21.4" P.A. 7.00 sep 47.0 mag 7.03,11.50 Sp B8V dist. 277.01 pc (903.61 l.y.)
 
 
Coord 2000 19159+2727 Discov num WAL 108 Comp AB,D Coord arcsec 2000 19 15 56.96 +27 27 21.4
Date first 1944 Date last 2002 Obs 5
Pa first 0 Pa last 6.9 P.A. Now (θ) 6.9°
Sep first 50.0 Sep last 47.033 Sep. Now (ρ) 47.033"
Mag pri 7.03 Mag sec 11.50 delta mag (ΔM) 4.47 Spectral class B8V (blue-white)
Pri motion ra +004 Sec motion ra +014
Pri motion dec -005 Sec motion dec -022
Notes N (See Notes)
rPM=0.756
Nature of this double is uncertain.
 
 
19159+2727 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 180553 87005 19 15 57 +27 27 21 STT 371 AB 2018 209 161 0.9 7.03 7.55 0.52
Show 87005 19 15 57 +27 27 21 STT 371 AB,C 2019 36 268 47.2 7.03 9.77 2.74
Show 87005 19 15 57 +27 27 21 WAL 108 AB,D 2002 5 7 47.0 7.03 11.50 4.47 <===
Quadruple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Lyra SAO 87005 HIP 94679 Tycho2 2132-03774-1
Gaia DR2 2036442873509850880 HD 180553 HR 7305 ADS 12239
BD BD+27 3313 Distance 277.01 Distance ly 903.61