16285-7005 AMM   7AI

 
 
16h 28m 27.80s -70 05' 04.8" P.A. 25 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
P.A. Now (θ)
25°
Sep first
16.1
Sep last
15.7
Sep. Now (ρ)
15.7"
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)
Nature of this double is uncertain.
 
 
16285-7005 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show Zet TrA 253554 16285-7005 AMM 7 AB 2006 2006 1 287 6.3 3.66 17.70 14.04 Y
Show 253554 16285-7005 AMM 7 AC 2006 2006 1 48 8.6 3.66 19.20 15.54
Show 253554 16285-7005 AMM 7 AD 2006 2006 1 23 10.3 3.66 19.50 15.84
Show 253554 16285-7005 AMM 7 AE 2006 2006 1 51 10.4 3.66 16.50 12.84
Show 253554 16285-7005 AMM 7 AF 2006 2006 1 281 11.6 3.66 16.40 12.74
Show 253554 16285-7005 AMM 7 AG 2006 2006 1 29 13.2 3.66 18.50 14.84
Show 253554 16285-7005 AMM 7 AH 2006 2006 1 24 13.7 3.66 17.70 14.04
Show 253554 16285-7005 AMM 7 AI 2004 2006 2 25 15.7 3.66 13.40 9.74 <===
Show 253554 16285-7005 AMM 7 AJ 2006 2006 1 278 16.3 3.66 21.40 17.74
Show 253554 16285-7005 AMM 7 AK 2006 2006 1 36 19.2 3.66 15.10 11.44
11-fold system
11 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
25.3
Precise sep
15.699
Cdsa2 id
AMM 7 AI
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
Ra deg
16.47438888888889
De deg
-70.08466666666666
Distance
12.12
Distance ly
39.54
last precise pa
25.3
last precise sep
15.699
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16285-7005 AMM 7 AI 2006 2 25 15.7 3.66 13.40 F9V K 162827.80-700504.8

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