17120-1547 FOX 18 AB,C

17h 12m 00.60s -15° 47' 10.1" P.A. 340.00 sep 115.9 mag 11.30,12.10 Sp K2IV

Coord 2000 17120-1547 Discov num FOX  18 Comp AB,C Coord arcsec 2000 17 12 00.60 -15 47 10.1
Date first 1908 Date last 2000 Obs 4
Pa first 337 Pa last 340 P.A. Now (θ) 340°
Sep first 115.8 Sep last 115.88 Sep. Now (ρ) 115.88"
Mag pri 11.30 Mag sec 12.10 delta mag (ΔM) 0.8 Spectral class K2IV (yellow-orange)
Pri motion ra -008 Sec motion ra -005
Pri motion dec -012 Sec motion dec -012
Notes




rPM=0.208 (< 0.3, Physical double)

This double is physical.



17120-1547 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 17 12 01 -15 47 10 FOX 18 AB 2015 3 50 2.1 12.00 12.20 0.20
Show 17 12 01 -15 47 10 FOX 18 AB,C 2000 4 340 115.9 11.30 12.10 0.80 <===
Show 17 11 58 -15 45 20 FOX 18 CD 2020 6 248 13.8 12.10 13.50 1.40


Quadruple system
5 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Constellation Ophiuchus Tycho2 6233-00078-1 Gaia DR2 4136309279940433664