Menu

Mebsuta

Epsilon Gem

HIP 32246; Epsilon Gem; 27 Gem DoubleStar Gem Visible Level 3 Medium telescope (6-8") - Requires steady seeing
Star Map Add to List Add to Plan
Back to Catalog

Physical Properties

Magnitude 2.98
Spectral Type G9Ib
Star Color Red (B-V 1.40)
Distance 843.0 ly

Position & Identifiers

RA 06h 43m 55.9s
Dec +25° 07' 52.0"
Constellation Gem
HR 2473
HIP 32246
Bayer Epsilon
Flamsteed 27 Gem
Double Cat 5381

Visibility

Set a location in User Settings to see visibility data.

Multiple Star System

Separation 109.9″
Companion Mag 9.6
Position Angle 95°
Star Colors A: Red
Discoverer S 533

Eyepiece View

80x Dawes: 1.9″ TFOV: 0.6°
Realistic = true angular size
N E 95° A (3.0) B (9.6)

Sep: 109.9″ · PA: 95° · N up, E left

Resolved · 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

Companion 9.22V, +1.13(B-V), +0.91(U-B), K0III-IV.
Red star Pleiades group.
Strong He 10830 emission and absorption.
Mebsuta; Melucta; Meboula.
Occultation diam. = 0.0018 - 0.0056".

Survey Image

Loading survey image…