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Gamma Geminorum (γ Geminorum, abbreviated Gamma Gem, γ Gem), formally named Alhena / æ l ˈ h iː n ə /, [13] is the third-brightest object in the constellation of Gemini. It has an apparent visual magnitude of 1.9, [ 2 ] making it easily visible to the naked eye even in urban regions .
AH Velorum is a Cepheid variable located less than a degree to the northeast of Gamma. [19] A yellow-white supergiant of spectral type F7Ib-II, it pulsates between magnitudes 5.5 and 5.89 over 4.2 days. [20] Also lying close to Gamma, [21] V Velorum is a Cepheid of spectral type F6-F9II ranging from magnitude 7.2 to 7.9 over 4.4 days. [22]
Gamma Velorum is a quadruple star system in the constellation Vela. This name is the Bayer designation for the star, which is Latinised from γ Velorum and abbreviated γ Vel . At a combined magnitude of +1.72, it is one of the brightest stars in the night sky , and contains by far the closest and brightest Wolf–Rayet star .
It literally means "double gamma" and is descriptive of the original letter's shape, which looked like a Γ (gamma) placed on top of another. Episemon The name episēmon was used for the numeral symbol during the Byzantine era and is still sometimes used today, either as a name specifically for digamma/stigma, or as a generic term for the whole ...
The symbol in the International Phonetic Alphabet that represents this sound is ɣ , a Latinized variant of the Greek letter gamma, γ , which has this sound in Modern Greek. It should not be confused with the graphically-similar ɤ , the IPA symbol for a close-mid back unrounded vowel , which some writings [ 2 ] use for the voiced velar fricative.
The gamma function is an important special function in mathematics.Its particular values can be expressed in closed form for integer and half-integer arguments, but no simple expressions are known for the values at rational points in general.
The defining property for the gamma matrices to generate a Clifford algebra is the anticommutation relation {,} = + = ,where the curly brackets {,} represent the anticommutator, is the Minkowski metric with signature (+ − − −), and is the 4 × 4 identity matrix.
Dr. Bethe, who received a copy of the manuscript, did not object, and, as a matter of fact, was quite helpful in subsequent discussions. There was, however, a rumor that later, when the alpha, beta, gamma theory went temporarily on the rocks, Dr. Bethe seriously considered changing his name to Zacharias.