Atria
HIP 82273; Alpha TrA
HIP 82273; Alpha TrA
DoubleStar
Triangulum Australe
(TrA)
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
1.92
Spectral Type
K2II
Star Color
Red
(B-V 1.44)
Distance
390 ly
Position & Identifiers
RA
16h 48m 39.9s
Dec
-69° 01' 40.0"
Constellation
Triangulum Australe
(TrA)
HR
6217
HIP
82273
Bayer
Alpha
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Visibility
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Multiple Star System
Separation
92.5″
Companion Mag
11.4
Companion Sp
Ba1
Position Angle
22°
Star Colors
A: Red
B: Blue
Discoverer
WFC 179
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 92.5″ · PA: 22° · N up, E left
Resolved · Rayleigh: 2.3″ · Dawes: 1.9″ · Eff: 2.3″
Size Comparison
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Spectral Classification
Hertzsprung-Russell Diagram
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