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68 Gem

HIP 36760; 68 Gem DoubleStar Gem Visible Level 5 Expert level - Requires steady seeing
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Physical Properties

Magnitude 5.25
Spectral Type A1Vn
Star Color White (B-V 0.05)
Distance 296.5 ly

Position & Identifiers

RA 07h 33m 36.5s
Dec +15° 49' 36.0"
Constellation Gem
HR 2886
HIP 36760
Flamsteed 68 Gem

Visibility

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Multiple Star System

Separation 0.2″
Companion Mag 7.6
Position Angle 109°
Star Colors A: White B: Yellow
Discoverer MCA 32

Eyepiece View

80x Dawes: 1.9″ TFOV: 0.6°
Realistic = true angular size
N E 109° A (5.2) B (7.6)

Sep: 0.2″ · PA: 109° · 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

Suspected occultation double, 5.4, 7.0v, sep. 0.15". Resolved by speckle interferometry 1983.94, sep. 0.18".

Survey Image

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