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[47] [48] In 2006, its temperature was calculated to be as high as 3,650 ± 25 K, corresponding to a spectral class of M2.5, [4] yet this star is usually considered as an M4 to M5 star. Adopting the latter classes with the temperature scale proposed by Emily Levesque gives a range of between 3,450 and 3,535 K. [ 54 ]
Main-sequence stars vary in surface temperature from approximately 2,000 to 50,000 K, whereas more-evolved stars – in particular, newly-formed white dwarfs – can have surface temperatures above 100,000 K. [3] Physically, the classes indicate the temperature of the star's atmosphere and are normally listed from hottest to coldest.
The WGSN's first bulletin of July 2016 [39] included a table of the first two batches of names approved by the WGSN; which included Procyon for the star α Canis Minoris A. The two dog stars are referred to in the most ancient literature and were venerated by the Babylonians and the Egyptians, In Babylonian mythology, Procyon was known as ...
Tara Gregg / EyeEm/Getty Images. Height: 17 - 20 inches Weight: 25 - 46 pounds Personality: Smart, Playful Activity Level: High Shedding Factor: Moderate Life Expectancy: 10-13 years Full ...
δ Canis Majoris (Latinised to Delta Canis Majoris) is the star's Bayer designation. The traditional name, Wezen (alternatively Wesen, or Wezea), is derived from the medieval Arabic وزن al-wazn, which means 'weight' in modern Arabic. The name was for one of a pair of stars, the other being Hadar, which has now come to refer to Beta Centauri.
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Its name means "before the dog" or "preceding the dog" in Greek, as it rises an hour before the "Dog Star", Sirius, of Canis Major. It is a binary star system, consisting of a yellow-white main-sequence star [ 30 ] of spectral type F5 IV-V, named Procyon A, and a faint white dwarf companion of spectral type DA, named Procyon B. Procyon B, which ...
2. Hypothermia . Hypothermia occurs when the body temperature drops to a dangerously low level. This can happen very quickly in smaller breeds of dogs, puppies, and older dogs.