Xi Tau

HIP 16083; Xi Tau; 2 Tau DoubleStar Tau Visible Level 6 Professional/Research - Requires steady seeing

Star Map Add to List Add to Plan Back to Catalog

Physical Properties

Magnitude 3.74

Spectral Type B7.5V

Star Color Blue-white (B-V -0.09)

Distance 220.9 ly

Position & Identifiers

RA 03h 27m 10.2s

Dec +09° 43' 58.0"

Constellation Tau

HR 1038

HIP 16083

Bayer Xi

Flamsteed 2 Tau

Visibility

Set a location in User Settings to see visibility data.

Multiple Star System

Separation 0.6″

Companion Mag 7.5

Position Angle 273°

Star Colors A: Blue-white B: Blue-white

Discoverer HDS 433

Eyepiece View

Telescope Eyepiece

80x Dawes: 1.9″ TFOV: 0.6°

Seeing

Scale Realistic = true angular size

Sep: 0.6″ · PA: 273° · N up, E left

Unresolved · 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

Spectroscopic Binary

Triple Sp. system of 2 sharp-line stars revolving in 7.1466d; this pair revolves in 145.10d around broad-line B7 star.

Spectral

B8Vn+B8Vn+B7Vn.

Survey Image

Loading survey image…