Star profile
15 Canis Majoris
Variable starWhat is 15 Canis Majoris
15 Canis Majoris burns blue and B-class, some 1,217 light-years away within the Greater Dog —the constellation that forever pursues Orion. It is a variable: its brightness shifts in a faint rhythm only instruments can read, a quiet signal that its atmosphere trembles. A silent hunter among the embers of the winter sky.
Where it is and when to see it
15 Canis Majoris lies in the southern celestial hemisphere. It is visible to the naked eye under a dark sky. Its best month of the year is January, when it culminates around midnight.
- From London it culminates about 18° above the horizon.
- From New York it culminates about 29° above the horizon.
- From Sydney it culminates about 76° above the horizon.
It can be seen from anywhere south of 70° N.
It ranks no. 25 in brightness among the 90 stars of Canis Major in our catalogue. To find it, start from Sirius, the brightest: it lies about 4° away (a fist at arm's length covers about 10°).
The light you see today left it about 1,200 years ago.
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Astronomical data for 15 Canis Majoris
- Constellation
- Canis Major
- Apparent magnitude
- 4.82
- Distance
- 1217.2 light years
- Coordinates (J2000)
- RA 103.387° · Dec -20.224°
- Catalogue
- HIP 33092 · HD 50707
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Other stars in Canis Major
Canis Major has 90 stars in Stelvia's catalogue. Here are a few of them.
- SiriusAlpha Canis Majoris-1.44
- AdharaEpsilon Canis Majoris1.50
- WezenDelta Canis Majoris1.83
- Pi Canis Majoris4.66
- HIP 352054.66
- HIP 318274.82
- HIP 352104.83
- 29 Canis Majoris4.88