18277+2536 DAM 1238 AC (HD 170327)

18h 27m 44.89s +25° 35' 38.0" P.A. 277.00 sep 15.2 mag 8.99,12.00 Sp B9 dist. 278.55 pc (908.63 l.y.)

Coord 2000 18277+2536 Discov num DAM1238 Comp AC Coord arcsec 2000 18 27 44.89 +25 35 38.0
Date first 1905 Date last 2015 Obs 7
Pa first 275 Pa last 276.8 P.A. Now (θ) 276.8°
Sep first 15.0 Sep last 15.248 Sep. Now (ρ) 15.248"
Mag pri 8.99 Mag sec 12.00 delta mag (ΔM) 3.01 Spectral class B9 (blue-white)
Pri motion ra -008 Sec motion ra -011
Pri motion dec +000 Sec motion dec -002
Notes




rPM=0.322

Nature of this double is uncertain.



18277+2536 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 86084 18 27 45 +25 35 38 HDS 2612 AB 1991 2 110 4.5 8.99 13.35 4.36
Show HD 170327 86084 18 27 45 +25 35 38 DAM 1238 AC 2015 7 277 15.2 8.99 12.00 3.01 <===


Triple system
3 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Name HD 170327 Constellation Hercules SAO 86084 HIP 90480
Tycho2 2110-01543-1 Gaia DR2 4536798766798613888 HD 170327 BD BD+25 3535
Distance 278.55 Distance ly 908.63