02342-3131 HJ 3509 AB (HD 16087)

02h 34m 10.54s -31° 31' 25.6" P.A. 59.00 sep 23.2 mag 7.63,11.34 Sp A9V dist. 101.94 pc (332.53 l.y.)

Coord 2000 02342-3131 Discov num HJ 3509 Comp AB Coord arcsec 2000 02 34 10.54 -31 31 25.6
Date first 1834 Date last 2017 Obs 11
Pa first 57 Pa last 58.8 P.A. Now (θ) 58.8°
Sep first 15.0 Sep last 23.22 Sep. Now (ρ) 23.22"
Mag pri 7.63 Mag sec 11.34 delta mag (ΔM) 3.71 Spectral class A9V (white)
Pri motion ra -021 Sec motion ra -016
Pri motion dec -031 Sec motion dec -026
Notes




rPM=0.189 (< 0.3, Physical double)

This double is physical.



02342-3131 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 193774 02 34 11 -31 31 26 HDS 337 Aa,Ab 2021 2 299 0.1 8.08 8.90 0.82
Show HD 16087 193774 02 34 11 -31 31 26 HJ 3509 AB 2017 11 59 23.2 7.63 11.34 3.71 <===


Triple system
2 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Name HD 16087 Constellation Fornax SAO 193774 HIP 11950
Tycho2 7010-00892-1 Gaia DR2 5064048711530926720 HD 16087 CD CD-32 934
CP CP-32 271 Distance 101.94 Distance ly 332.53