Gamma TrA

HIP 74946; Gamma TrA DoubleStar 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 2.89

Spectral Type A2Vn

Star Color White (B-V 0.00)

Distance 183.8 ly

Position & Identifiers

RA 15h 18m 54.6s

Dec -68° 40' 46.0"

Constellation TrA

HR 5671

HIP 74946

Bayer Gamma

Visibility

Set a location in User Settings to see visibility data.

Multiple Star System

Separation 142.9″

Companion Mag 10.7

Position Angle 311°

Star Colors A: White

Discoverer WFC 164

Eyepiece View

Telescope Eyepiece

80x Dawes: 1.9″ TFOV: 0.6°

Seeing

Scale Realistic = true angular size

Sep: 142.9″ · PA: 311° · N up, E left

Resolved · Rayleigh: 2.3″ · Dawes: 1.9″ · Eff: 3.1″

Size Comparison

Querying VizieR for stellar data…

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.

Survey Image

Loading survey image…