R Gem
Observable Variable Star
Good (57/100)
Range: 6.0 - 14.0, Period: 369.9d
HIP 34356
VariableStar
Gem
Visible
Level 1
Naked eye / Binoculars - Monitor brightness changes
Physical Properties
Magnitude
7.68
Spectral Type
S3.9e
Star Color
Red
(B-V 2.21)
Position & Identifiers
RA
07h 07m 21.4s
Dec
+22° 42' 13.0"
Constellation
Gem
HR
2671
HIP
34356
Variable ID
R Gem
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Visibility
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Comparison Stars for R Gem (6.0–14.0)
Nearby stable stars for estimating brightness (AAVSO)
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Multiple Star System
Separation
173.1″
Companion Mag
12.3
Position Angle
201°
Star Colors
A: Red
Discoverer
BLL 19
Eyepiece View
32x
Dawes: 1.9″
TFOV: 1.6°
Realistic = true angular size
Sep: 173.1″ · PA: 201° · N up, E left
Resolved · 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
M 6.0 - 14.0v, 369.91d.
Technetium found in spectrum. Also classified S2,9e-S8,9e.
Occultation diam. = 0.0037 - 0.0049".
Survey Image
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