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33 Tau

HIP 18485; 33 Tau Star Tau Visible Level 2 Small telescope (4")
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Physical Properties

Magnitude 6.06
Range 6.06 - 6.11
Period 1.488 days
Variable Type Alpha2 CVn (Magnetic Rotating)
Spectral Type B9.5IV
Star Color White (B-V 0.02)

Position & Identifiers

RA 03h 57m 03.8s
Dec +23° 10' 32.0"
Constellation Tau
HR 1221
HIP 18485
Flamsteed 33 Tau
Variable ID V817 Tau

Visibility

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Multiple Star System

Separation 0.0″
Companion Mag 8.2
Position Angle -1°
Star Colors A: White
Discoverer OCC 300

Eyepiece View

15x Dawes: 1.9″ TFOV: 3.3°
Realistic = true angular size
N E A (6.1) B (8.2)

Sep: 0.0″ · PA: -1° · 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 Notes

1.5919d, K 56.9k/s, V0 +25.0k/s, asini 1.16, sep. 0.00006". Alternate orbit 2.975272d, K57.6k/s, V0 +14.2k/s, | asini 2.36.
Not a member of the Pleiades.

Survey Image

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