17449-5733 HDO 277 AB (HD 160720)

17h 44m 55.84s -57° 32' 43.8" P.A. 252.00 sep 32.2 mag 6.01,12.00 Sp G8III dist. 125.94 pc (410.82 l.y.)

Coord 2000 17449-5733 Discov num HDO 277 Comp AB Coord arcsec 2000 17 44 55.84 -57 32 43.8
Date first 1891 Date last 1999 Obs 4
Pa first 265 Pa last 252 P.A. Now (θ) 252°
Sep first 30.0 Sep last 32.16 Sep. Now (ρ) 32.16"
Mag pri 6.01 Mag sec 12.00 delta mag (ΔM) 5.99 Spectral class G8III (yellow)
Pri motion ra +019 Sec motion ra +006
Pri motion dec -012 Sec motion dec -010
Notes




rPM=0.585

Nature of this double is uncertain.



17449-5733 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 244989 17 44 56 -57 32 44 HLN 44 Aa,Ab 1969 2 308 0.2 6.80 6.80 0.00
Show HD 160720 244989 17 44 56 -57 32 44 HDO 277 AB 1999 4 252 32.2 6.01 12.00 5.99 <===


Triple system
2 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Name HD 160720 Constellation Pavo SAO 244989 HIP 86871
Tycho2 8737-01518-1 Gaia DR2 5918288122976930816 HD 160720 HR 6586
GC 24034 CP CP-57 8703 Distance 125.94 Distance ly 410.82