17182-6027 CVN 28 Aa,Ab (V857 Ara)

17h 18m 14.64s -60° 27' 27.5" P.A. 196.00 sep 0.2 mag 7.53,10.00 Sp G8V dist. 58.93 pc (192.23 l.y.)

Coord 2000 17182-6027 Discov num CVN  28 Comp Aa,Ab Coord arcsec 2000 17 18 14.64 -60 27 27.5
Date first 2006 Date last 2008 Obs 3
Pa first 193 Pa last 195.6 P.A. Now (θ) 195.6°
Sep first 0.2 Sep last 0.21 Sep. Now (ρ) 0.21"
Mag pri 7.53 Mag sec 10.00 delta mag (ΔM) 2.47 Spectral class G8V (yellow)
Pri motion ra -057 Sec motion ra
Pri motion dec -090 Sec motion dec
Notes K (K-band or other infrared magnitudes)


Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes

Nature of this double is uncertain.



17182-6027 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show V857 Ara 17 18 15 -60 27 28 CVN 28 Aa,Ab 2008 3 196 0.2 7.53 10.00 2.47 <===
Show 17 18 15 -60 27 28 CVN 28 AB 2007 1 315 3.9 7.53 19.30 11.77
Show 17 18 15 -60 27 28 CVN 28 AC 2007 1 103 5.9 7.53 18.30 10.77
Show 17 18 15 -60 27 28 CVN 28 AD 2007 1 68 7.3 7.53 17.50 9.97
Show 17 18 15 -60 27 28 CVN 28 AE 2007 1 195 10.8 7.53 19.60 12.07
Show 17 18 15 -60 27 28 CVN 28 AF 2007 1 71 11.6 7.53 20.30 12.77
Show 17 18 15 -60 27 28 CVN 28 AG 2007 1 207 12.0 7.53 20.30 12.77
Show 17 18 15 -60 27 28 CVN 28 AH 2015 3 201 12.2 7.53 15.70 8.17
Show 17 18 15 -60 27 28 CVN 28 AI 2015 2 50 15.4 7.53 18.40 10.87


Decuple system
9 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Var name V857 Ara Constellation Ara HIP 84642 Tycho2 9052-01117-1
Gaia DR2 5914014149479588096 HD 155915 CP CP-60 6759 Distance 58.93
Distance ly 192.23