Canis Major

constellation in the southern celestial hemisphere

Canis Major is a constellation that is in the southern sky. It means "greater dog" in Latin (also called large dog). There is also the constellation Canis Minor, which means "lesser dog" in Latin. The astronomer named Ptolemy listed Canis Major when he made a list of 48 constellations. It is also one of the 88 modern constellations that were made by the International Astronomical Union.[1]

Canis Major
Constellation
Canis Major
AbbreviationCMa
GenitiveCanis Majoris
Pronunciation/ˌknɪs ˈmər/, genitive /ˈknɪs məˈɒrɪs/
Symbolismthe greater dog
Right ascension7
Declination−20
QuadrantSQ2
Area380 sq. deg. (43rd)
Main stars8
Bayer/Flamsteed
stars
32
Stars with planets6
Stars brighter than 3.00m5
Stars within 10.00 pc (32.62 ly)1
Brightest starSirius (α CMa) (−1.46m)
Messier objects1
Meteor showersNone
Bordering
constellations
Visible at latitudes between +60° and −90°.
Best visible at 21:00 (9 p.m.) during the month of February.
Map of the constellation

The star Sirius is in Canis Major. Sirius has a magnitude of -1.44, which means that it is the brightest star in the night sky. It is sometimes called the "dog star." Also, Sirius is only 8.6 light years away from Earth, which is very close.[2]

ReferencesEdit

  1. Ridpath, Ian. "Chapter One Continued". Star Tales. Retrieved 31 Jan 2013.
  2. Kaler, Jim (26 Sept 2009). "Sirius (Alpha Canis Majoris)". Stars. Retrieved 31 Jan 2013. Check date values in: |date= (help)