UU Aur
Observable Variable Star
Good (58/100)
Range: 5.1 - 6.6, Period: 234.0d, Type: SRB
HIP 31579
VariableStar
Aur
Visible
Level 2
Small telescope (4") - Monitor brightness changes
Physical Properties
Magnitude
5.29
Range
5.1 - 6.6
Period
234.000 days
Variable Type
Semi-Regular Variable (Late-type Giant)
Spectral Type
C5II
Star Color
Red
(B-V 2.61)
Distance
652.3 ly
Position & Identifiers
RA
06h 36m 32.9s
Dec
+38° 26' 43.0"
Constellation
Aur
HR
2405
HIP
31579
Variable ID
UU Aur
Querying VizieR catalog...
Visibility
Set a location in User Settings to see visibility data.
Light Curve
Comparison Stars for UU Aur (7.8–10.0)
Nearby stable stars for estimating brightness (AAVSO)
Loading comparison stars…
Multiple Star System
Separation
116.9″
Companion Mag
11.8
Position Angle
223°
Star Colors
A: Red
Discoverer
BLL 17
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 116.9″ · PA: 223° · 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
SRb 7.83 - 10.00B, 8.2 - 10.0p, 234d. Mean mag. varies in per. about 3500d.
Infrared spectra show CO, CN and C2 molecules.
Survey Image
Loading survey image…