30 Gem
HIP 32249; 30 Gem
DoubleStar
Gem
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
4.49
Spectral Type
K0IIICN1Ca1
Star Color
Red
(B-V 1.16)
Distance
465.9 ly
Position & Identifiers
RA
06h 43m 59.3s
Dec
+13° 13' 40.0"
Constellation
Gem
HR
2478
HIP
32249
Flamsteed
30 Gem
Double Cat
5387
Querying VizieR catalog...
Visibility
Set a location in User Settings to see visibility data.
Multiple Star System
Separation
21.2″
Companion Mag
13.0
Position Angle
187°
Star Colors
A: Red
Discoverer
LAM 3
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 21.2″ · PA: 187° · 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
Optical.
Survey Image
Loading survey image…