Alpha Tel

HIP 90422; Alpha Tel DoubleStar Tel Visible Level 3 Medium telescope (6-8") - Requires steady seeing

Star Map Add to List Add to Plan Back to Catalog

Physical Properties

Magnitude 3.51

Spectral Type B3 IV

Star Color Blue (B-V -0.17)

Distance 277.8 ly

Position & Identifiers

RA 18h 26m 58.4s

Dec -45° 58' 06.0"

Constellation Tel

HR 6897

HIP 90422

Bayer Alpha

Visibility

Set a location in User Settings to see visibility data.

Multiple Star System

Separation 115.9″

Companion Mag 11.0

Position Angle 41°

Star Colors A: Blue

Discoverer WFC 207

Eyepiece View

Telescope Eyepiece

80x Dawes: 1.9″ TFOV: 0.6°

Seeing

Scale Realistic = true angular size

Sep: 115.9″ · PA: 41° · 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.

Stellar Notes

Group/Cluster

Member of Pleiades group.

Survey Image

Loading survey image…