00518-0810 STF 68 AB,C (HD 4987)

 
 
00h 51m 50.50s -08 09' 56.9" P.A. 295.00 sep 7.8 mag 8.31,9.91 Sp G0 dist. 156.49 pc (510.47 l.y.)
 
 
Coord 2000 00518-0810 Discov num STF  68 Comp AB,C Coord arcsec 2000 00 51 50.50 -08 09 56.9
Date first 1830 Date last 2017 Obs 24
Pa first 296 Pa last 295 P.A. Now (θ) 295°
Sep first 7.5 Sep last 7.75 Sep. Now (ρ) 7.75"
Mag pri 8.31 Mag sec 9.91 delta mag (ΔM) 1.6 Spectral class G0 (yellow)
Pri motion ra +063 Sec motion ra +049
Pri motion dec +028 Sec motion dec +033
Notes
rPM=0.216 (< 0.3, Physical double)
This double is physical.
 
 
00518-0810 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 128997 00 51 50 -08 09 57 RST 4160 AB 2020 7 341 0.0 9.30 9.80 0.50
Show HD 4987 128997 00 51 50 -08 09 57 STF 68 AB,C 2017 24 295 7.8 8.31 9.91 1.60 <===
Triple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 4987 Constellation Cetus SAO 128997 HIP 4044
Tycho2 5270-00576-1 Gaia DR2 2474551081243456384 HD 4987 BD BD-08 154
Distance 156.49 Distance ly 510.47