16285-7005 AMM 7 AI

 
 
16h 28m 27.80s -70° 05' 04.8" P.A. 25.00 sep 15.7 mag 3.66,13.40 Sp F9V dist. 12.12 pc (39.54 l.y.)
 
 
Coord 2000 16285-7005 Discov num AMM   7 Comp AI Coord arcsec 2000 16 28 27.80 -70 05 04.8
Date first 2004 Date last 2006 Obs 2
Pa first 26 Pa last 25.3 P.A. Now (θ) 25.3°
Sep first 16.1 Sep last 15.699 Sep. Now (ρ) 15.699"
Mag pri 3.66 Mag sec 13.40 delta mag (ΔM) 9.74 Spectral class F9V (yellow-white)
Pri motion ra +200 Sec motion ra
Pri motion dec +111 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.
 
 
16285-7005 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show Zet TrA 253554 16 28 28 -70 05 05 AMM 7 AB 2006 1 287 6.3 3.66 17.70 14.04 Y
Show 253554 16 28 28 -70 05 05 AMM 7 AC 2006 1 48 8.6 3.66 19.20 15.54
Show 253554 16 28 28 -70 05 05 AMM 7 AD 2006 1 23 10.3 3.66 19.50 15.84
Show 253554 16 28 28 -70 05 05 AMM 7 AE 2006 1 51 10.4 3.66 16.50 12.84
Show 253554 16 28 28 -70 05 05 AMM 7 AF 2006 1 281 11.6 3.66 16.40 12.74
Show 253554 16 28 28 -70 05 05 AMM 7 AG 2006 1 29 13.2 3.66 18.50 14.84
Show 253554 16 28 28 -70 05 05 AMM 7 AH 2015 2 20 14.1 3.66 17.70 14.04
Show 253554 16 28 28 -70 05 05 AMM 7 AI 2006 2 25 15.7 3.66 13.40 9.74 <===
Show 253554 16 28 28 -70 05 05 AMM 7 AJ 2006 1 278 16.3 3.66 21.40 17.74
Show 253554 16 28 28 -70 05 05 AMM 7 AK 2006 1 36 19.2 3.66 15.10 11.44
11-fold system
11 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Triangulum Australe SAO 253554 HIP 80686 Tycho2 9278-02951-1
HD 147584 HR 6098 GC 22089 GL Gl 624
CP CP-69 2558 Bayer Zeta Trianguli Australis Bayer name Zet TrA FK5 610
Distance 12.12 Distance ly 39.54 Bayer greek ζ TrA