Your guide to the Solar System and the night sky
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🌎  Observing from: Greenwich, United Kingdom [change]

17 Canis Majoris

17 Canis Majoris is a multiple sub-giant star in the constellation of Canis Major.

17 Canis Majoris visual magnitude is 5.74. Because of its reltive faintness, 17 Canis Majoris should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about 17 Canis Majoris:

5.74
Sub-giant
17 Canis Majoris is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of 17 Canis Majoris

17 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 17 Canis Majoris are provided in the following table:

06h 55m 02s
-20° 24’ 16”
231.62°
-8.39°
Canis Major

The simplified sky map below shows the position of 17 Canis Majoris in the sky:

Finder chart 17 Canis Majoris star
Simplified finder chart for 17 Canis Majoris.

Visibility of 17 Canis Majoris from your location

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

Today's 17 Canis Majoris rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 110.4°
Max altitude: 18.1°
Azimuth: 249.6°
17 Canis Majoris is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of 17 Canis Majoris

The image below is a photograph of 17 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 17 Canis Majoris is -0.003 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.

Image of 17 Canis Majoris star
DSS2 image of 17 Canis Majoris. The red arrow shows the motion of 17 Canis Majoris during the next 100000 years (-5.00 arcmin in Right Ascension and -6.67 arcmin in declination);

Distance of 17 Canis Majoris from the Sun and relative movement

17 Canis Majoris is distant 604.82 light years from the Sun and it is moving towards the Sun at the speed of 15 kilometers per second.

185.53 pc
604.82 ly
-15 km/s
-0.003 arcsec/year
-0.004 arcsec/year

Spectral properties of 17 Canis Majoris

17 Canis Majoris belongs to spectral class A3 and has a luminosity class of IV corresponding to a sub-giant star.

-0.60
A3IV
9226K

The red dot in the diagram below shows where 17 Canis Majoris is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 17 Canis Majoris. Attribution: Richard Powell / CC BY-SA

17 Canis Majoris star system properties

17 Canis Majoris is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the 17 Canis Majoris double sysyem:

5.74
8.94
3.2
50.5 arcsec

Alternative designations of 17 Canis Majoris

17 Canis Majoris
SAO172569
SAO172569