Menu

Atria

HIP 82273; Alpha TrA

HIP 82273; Alpha TrA DoubleStar Triangulum Australe (TrA) Visible Level 3 Medium telescope (6-8") - Requires steady seeing
Star Map
Add to List Add to Plan Back to Catalog

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"
HR 6217
HIP 82273
Bayer Alpha

Visibility

Set a location in User Settings to see visibility data.

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
N E 22° A (1.9) B (11.4)

Sep: 92.5″ · PA: 22° · N up, E left

Resolved · Rayleigh: 2.3″ · Dawes: 1.9″ · Eff: 2.3″

Size Comparison

Querying VizieR for stellar data…

Compare Stars

Stellar Lifecycle

Spectral Classification

Hertzsprung-Russell Diagram

Loading HR diagram…

Blackbody Spectrum

Stellar Absorption Spectrum

Simulated absorption spectrum based on spectral type. Hover over lines to identify elements.

Stellar Fusion

Light Travel Time Machine

Relativistic Travel

Survey Image

Loading survey image…

}