R CMa
Excellent (66/100)
HIP 35487
VariableStar
Canis Major
(CMa)
Visible
Level 2
Small telescope (4") - Monitor brightness changes
Physical Properties
Magnitude
5.70
Range
5.7 - 6.3
Period
27.3 hours
Variable Type
Eclipsing Binary (Algol-type)
Spectral Type
F1V
Star Color
Yellow-white
(B-V 0.35)
Distance
82 ly
Position & Identifiers
RA
07h 19m 28.1s
Dec
-16° 23' 42.0"
Constellation
Canis Major
(CMa)
HR
2788
HIP
35487
Variable ID
R CMa
Querying VizieR catalog...
Visibility
Set a location in User Settings to see visibility data.
Light Curve
Comparison Stars for R CMa (5.7–6.3)
Nearby stable stars for estimating brightness (AAVSO)
Loading comparison stars…
Size Comparison
Querying VizieR for stellar data…
Compare Stars
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 Fusion
Stellar Notes
EA 5.70 - 6.34V, 1.13593876d. Per. changes, possibly sinusoidally. i 77d.
1.1359d, K 31.5k/s, V0 -42.5k/s, asini 0.492. Probable large scale mass exchange. Secondary is K3IV-V.
Light Travel Time Machine
Relativistic Travel
Survey Image
Loading survey image…