Star in the constellation Canis Major
! style="text-align: center; background-color: #FFFFC0;" colspan="2" | Observation dataEpoch J2000      Equinox J2000
! style="text-align:left" | Constellation
! style="text-align:left" | Right ascension
! style="text-align:left" | Declination
! style="text-align:left" | Apparent magnitude (V)
! style="background-color: #FFFFC0; text-align: center;" colspan="2"| Characteristics
! style="text-align:left" | Evolutionary stage
! style="text-align:left" | Spectral type
! style="text-align:left" | B−V 
 ;/th ; ;/tr ;
 ;/th ; ;/tr ;
17 Canis Majoris is a single star in the southern constellation of Canis Major, located 610 light years away from the Sun. It is visible to the naked eye as a dim, white-hued star with an apparent visual magnitude of 5.80. The object is moving closer to the Earth with a heliocentric radial velocity of −13 km/s.
This is an A-type main-sequence star with a stellar classification of A2 V, and is near the end of its main sequence lifetime. It has 2.8 times the mass of the Sun and is spinning with a projected rotational velocity of 43 km/s. The star is radiating 126 times the luminosity of the Sun from its photosphere at an effective temperature of 8,872 K. It has a magnitude 8.66 visual companion at an angular separation of along a position angle of 147°, as of 2015.
References.
 ;templatestyles src="Reflist/styles.css" / ;