18563-0048 A 1171 AB (HD 175615)

18h 56m 17.74s -00° 48' 14.5" P.A. 80.00 sep 0.9 mag 8.23,11.58 Sp A2 dist. 155.04 pc (505.74 l.y.)

Coord 2000 18563-0048 Discov num A  1171 Comp AB Coord arcsec 2000 18 56 17.74 -00 48 14.5
Date first 1905 Date last 2017 Obs 8
Pa first 96 Pa last 80.2 P.A. Now (θ) 80.2°
Sep first 0.7 Sep last 0.93 Sep. Now (ρ) 0.93"
Mag pri 8.23 Mag sec 11.58 delta mag (ΔM) 3.35 Spectral class A2 (white)
Pri motion ra +013 Sec motion ra +016
Pri motion dec +004 Sec motion dec +003
Notes




rPM=0.194 (< 0.3, Physical double)

This double is physical.



18563-0048 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 175615 142822 18 56 18 -00 48 14 A 1171 AB 2017 8 80 0.9 8.23 11.58 3.35 <===
Show 142822 18 56 18 -00 48 14 STF 2414 AC 2015 22 278 17.1 8.23 11.20 2.97


Triple system
3 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Name HD 175615 Constellation Aquila SAO 142822 HIP 92955
Tycho2 5115-00165-1 HD 175615 GC 25989 BD BD-00 3599
Distance 155.04 Distance ly 505.74