WEZEN (Delta Canis Majoris). Shining at third rank in Canis Major, the Greater Dog, at bright second magnitude (1.84), Wezen is not far behind the Dog's Adhara.
Wezen is a yellowish F8Ia supergiant having a luminosity of almost 50,000 times that of the sun and about 200 times the sun's diameter.
Other Designations For This Star
Flamsteed ...
It can be found: east of Sirius; southwest of Procyon; northeast of Wezen (Delta Canis Majoris), Aludra (Eta Canis Majoris), and Adhara (Epsilon Canis Majoris); and north of Naos (Zeta Puppis).
*δ CMa: Wezen - "The Weight"
*ε CMa: Adhara - "Virgins"
*ζ CMa: Furud - "Bright Single One"
*Î- CMa: Aludra
Notable deep sky objects
There aren't many bright deep sky objects in this region of sky.
Wezen (Delta Canis Majoris)
Whipple (Fred Lawrence) Observatory
Whirlpool Galaxy (M51, NGC 5194)
whistler
white dwarf
white hole
Widmanstätten pattern
Wild Duck Cluster (M11, NGC 6705)
Wilkinson Microwave Anisotropy Probe (WMAP) ...
Named stars: Alpha CMa (Sirius/Alhabor), Beta CMa (Mirzam), Gamma CMa (Muliphein), Delta CMa (Wezen), Epsilon CMa (Adhara), Zeta CMa (Phurud/Aludra)
Info:
Canis Minor (Small Dog) ...
Adhara (ε CMa), Aludra (η CMa), Furud (ζ CMa), Menkelb Prior (ο1 CMa), Menkelb Posterior (ο2 CMa), Mirzam, (Murzim, β CMa), Muliphein (γ CMa), Sirius (Dog Star, α CMa), Wezen (δ CMa).
In the neighbourhood of delta CMa, called Wezen (a yellow supergiant of 1.9 mag; it lies about 3000 light years distant) several interesting stars and objects can be found:
The variable star EW CMa.
The variable star UW CMa.
 See also: Star, Sirius, Canis Major, Orbit, Light
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