00345-0433 STF 39 AB,C (HD 3125)

00h 34m 29.79s -04° 32' 47.5" P.A. 45.00 sep 20.1 mag 7.10,8.65 Sp G0IV dist. 22.94 pc (74.83 l.y.)

Coord 2000 00345-0433 Discov num STF  39 Comp AB,C Coord arcsec 2000 00 34 29.79 -04 32 47.5
Date first 1782 Date last 2018 Obs 60
Pa first 50 Pa last 45.3 P.A. Now (θ) 45.3°
Sep first 18.6 Sep last 20.08 Sep. Now (ρ) 20.08"
Mag pri 7.10 Mag sec 8.65 delta mag (ΔM) 1.55 Spectral class G0IV (yellow)
Pri motion ra +100 Sec motion ra +085
Pri motion dec +010 Sec motion dec +008
Notes N (See Notes)




rPM=0.151 (< 0.3, Physical double)

This double is physical.



00345-0433 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 128831 00 34 30 -04 32 48 D 2 AB 2019 71 76 0.3 7.63 8.04 0.41 Y
Show HD 3125 128831 00 34 30 -04 32 48 STF 39 AB,C 2018 60 45 20.1 7.10 8.65 1.55 <===
Show 128831 00 34 30 -04 32 48 ALL 1 AB,D 2017 12 159 200.8 7.10 9.99 2.89


Quadruple system
5 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Name HD 3125 Constellation Cetus SAO 128831 HIP 2715
Tycho2 4675-00561-1 Gaia DR2 2528217934557758464 HD 3125 BD BD-05 84
Distance 22.94 Distance ly 74.83