15 CMa
HIP 33092; 15 CMa
Star
CMa
Visible
Level 2
Small telescope (4")
Physical Properties
Magnitude
4.83
Range
4.81 - 4.83
Period
4.4 hours
Variable Type
Beta Cephei (Pulsating)
Spectral Type
B1IV
Star Color
Blue
(B-V -0.21)
Position & Identifiers
RA
06h 53m 32.9s
Dec
-20° 13' 27.0"
Constellation
CMa
HR
2571
HIP
33092
Flamsteed
15 CMa
Variable ID
EY CMa
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Stellar Notes
Beta C 4.60 - 4.63B, 0.184557 and 0.19296d, beat per. about 2d.
Probable member Collinder 121 (#24); OB group near Omicron CMa.
0.184558d.
Old sources call this Pi1 CMa, HR 2558 Pi2 and HR 2590 Pi3. Superscripts no longer | retained.
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