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TV Gem

Observable Variable Star Good (55/100)

Range: 8.7 - 9.5, Period: 182.0d, Type: SR

HIP 29416 VariableStar Gem Visible Level 3 Medium telescope (6-8") - Monitor brightness changes
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Physical Properties

Magnitude 6.56
Variable Type Semi-Regular Variable
Spectral Type M0-1Iab
Star Color Red (B-V 2.25)

Position & Identifiers

RA 06h 11m 51.4s
Dec +21° 52' 07.0"
Constellation Gem
HR 2190
HIP 29416
Variable ID TV Gem

Visibility

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Comparison Stars

Nearby stable stars for estimating brightness (AAVSO)

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Multiple Star System

Separation 0.1″
Companion Mag 7.8
Position Angle -1°
Star Colors A: Red
Discoverer OCC 878

Eyepiece View

80x Dawes: 1.9″ TFOV: 0.6°
Realistic = true angular size
N E A (6.6) B (7.8)

Sep: 0.1″ · 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

SRc 8.7 - 9.5p, 182d.
IUE observations of uv continuum suggest an early-type companion, B9 or A1III-IV.
Gem OB1.
Also classified K5.5-M1.3Iab.

Survey Image

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