Xi Tau
HIP 16083; Xi Tau; 2 Tau
DoubleStar
Tau
Visible
Level 6
Professional/Research - Requires steady seeing
Physical Properties
Magnitude
3.74
Spectral Type
B7.5V
Star Color
Blue-white
(B-V -0.09)
Distance
221 ly
Position & Identifiers
RA
03h 27m 10.2s
Dec
+09° 43' 58.0"
Constellation
Tau
HR
1038
HIP
16083
Bayer
Xi
Flamsteed
2 Tau
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Visibility
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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
80x
Dawes: 1.9″
TFOV: 0.6°
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
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Stellar Lifecycle
Spectral Classification
Hertzsprung-Russell Diagram
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Blackbody Spectrum
Stellar Absorption Spectrum
Simulated absorption spectrum based on spectral type. Hover over lines to identify elements.
Stellar Fusion
Stellar Notes
Triple Sp. system of 2 sharp-line stars revolving in 7.1466d; this pair revolves in 145.10d around broad-line B7 star.
B8Vn+B8Vn+B7Vn.
Survey Image
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