15 Canis Majoris

15 Canis Majoris is a variable sub-giant star in the constellation of Canis Major.

15 Canis Majoris visual magnitude is 4.83. Because of its moderate brightness, 15 Canis Majoris should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.

The table below summarizes the key facts about 15 Canis Majoris:

Color of 15 Canis Majoris ⬤

Magnitude of 15 Canis Majoris 4.83

Class Sub-giant

VISIBILITY RIGHT NOW 15 Canis Majoris is below the horizon from Greenwich, United Kingdom edit_location_alt.

Celestial coordinates and finder chart of 15 Canis Majoris

15 Canis Majoris is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of 15 Canis Majoris are provided in the following table:

Right Ascension J2000 06h 53m 32s

Declination J2000 -20° 13’ 27”

Galactic Longitude 231.3°

Galactic Latitude -8.62°

Constellation Canis Major

The simplified sky map below shows the position of 15 Canis Majoris in the sky:

Simplified finder chart for 15 Canis Majoris.

Visibility of 15 Canis Majoris from your location

Location: Greenwich, United Kingdom edit_location_alt
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

Today's 15 Canis Majoris rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 110.2° RISE 11:21

Max altitude: 18.3° TRANSIT 15:30

Azimuth: 249.8° SET 19:38

RIGHT NOW 15 Canis Majoris is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of 15 Canis Majoris

The image below is a photograph of 15 Canis Majoris from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of 15 Canis Majoris is -0.009 arcsec per year in Right Ascension and 0.004 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

DSS2 image of 15 Canis Majoris. The red arrow shows the motion of 15 Canis Majoris during the next 100000 years (-15.00 arcmin in Right Ascension and 6.67 arcmin in declination);

Distance of 15 Canis Majoris from the Sun and relative movement

15 Canis Majoris is distant 1,613.86 light years from the Sun and it is moving far from the Sun at the speed of 28 kilometers per second.

Distance (parsec) 495.05 pc

Distance (light year) 1,613.86 ly

Heliocentric radial velocity 28 km/s

Proper Motion RA -0.009 arcsec/year

Proper Motion Dec 0.004 arcsec/year

Spectral properties of 15 Canis Majoris

15 Canis Majoris belongs to spectral class B1 and has a luminosity class of IV corresponding to a sub-giant star.

Absolute magnitude -3.64

Spectral Type B1IV

Color Index (B-V) -0.21

Temperature of 15 Canis Majoris 13831K

The red dot in the diagram below shows where 15 Canis Majoris is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 15 Canis Majoris. Attribution: Richard Powell / CC BY-SA

Alternative designations of 15 Canis Majoris

Flamsteed designation 15 Canis Majoris

Henry Draper Catalogue HD50707

SAO Catalogue SAO172520

Hipparcos Catalogue HIP33092

Durchmusterung Catalogue BD-20 1616

FK5 Catalogue 2532

General Catalogue of Variable Stars EY CMa

In Evidence

Other stars in Canis Major