Huang Changchun

Huang Changchun

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Huang Changchun, a polysemous name. This data mainly introduces astrophysicist Huang Changchun's work in asteroid orbit calculation, flare star, variable star, symbiotic star and stellar spectrum research, and finds an ultra short period variable in Taurus, which is named as variable 831 in Taurus by the variable Committee of the International Astronomical Union. This data also briefly introduces the life story of Huang Changchun, the Red Army of Chinese workers and peasants.

Life of the characters

Huang Changchun, male, born in 1934 in Yuechi County, Sichuan Province, is a researcher of Zijinshan Observatory, Chinese Academy of Sciences. He entered the Department of astronomy of Nanjing University in 1952 and graduated in 1956. He was assigned to work in Zijinshan Observatory, Chinese Academy of Sciences. He first engaged in the calculation of asteroid orbits. In 1958, he participated in the formation of the research group on Celestial evolution of Zijinshan Observatory (later renamed as the stellar Research Laboratory), and turned to work in variable star photogrammetry. In 1964, Huang Changchun was selected to study French in the Preparatory Department of international students of Shanghai Institute of foreign languages, and was sent to study in France. Later, because of the "Cultural Revolution", he failed to make the trip.

Technical achievements

After the end of the "Cultural Revolution", scientific research was resumed all over the country. Huang began to engage in the observation and research of young stars. Using two 40cm binoculars of Zijinshan Observatory and Beijing Observatory and 60-90cm Schmidt telescope of Beijing Observatory, he made a large number of photographic and photometric observations of flares and Taurus T-shaped stars, and found a large number of variable stars and suspicious variable stars with his research team . Huang Yiren discovered one ultra short period variable and five flares and re flares. The brightness of the ultra short period variable is about 16, and the period is only 93 minutes. Later, Huang Changchun used the 1.93 m telescope to observe its spectrum and photometry during his study at the upper Provence Observatory in France from 1979 to 1982. After the publication of the article, the star was approved by the variable Committee of the International Astronomical Union It will be named Taurus 831. At the end of the 1970s, China sent a large number of students abroad. In 1979, Huang Changchun was sent to the National Research Center of France to study at the Provence observatory. At first, under the guidance of the director of the observatory and the internationally famous astronomer Prof. feirenbach, he carried out the determination of stellar apparent velocities and the classification of stellar spectra. Later, Huang Changchun used the 1.93M and 1.2m telescopes to observe and study a large number of special stellar spectra, especially symbiotic stars. Symbiotic star is a kind of special star which has both the absorption spectrum of late cold star and the emission spectrum of high temperature nebula, and often has violent explosive activity. Its physical properties are very complex. It is generally considered that they are composed of K.M cold red giant and high temperature emission nebula. Huang Changchun has systematically observed and studied several typical symbiotic stars, such as zand, cicyg and agdva, especially the symbiotic star Ag in the constellation dracona. It is found that the absorption spectrum of the cold star of this star has obvious characteristics of super giant spectrum, and it is classified as KO type super giant. This discovery has been highly valued by the international peers, and has caused a hot discussion on the luminosity classification of symbiotic stars There was a heated discussion. Considering that the absorption spectra of cold stars of symbiotic stars are easy to see in the near-infrared region, Huang went to MacDonald Observatory and other observatories to observe and study the near-infrared spectra of symbiotic stars, and achieved gratifying results. His research papers on symbiotic stars have been widely cited in the international academic circles for as many as 50 or 60 times, and his research achievements have won the third prize of the 1990 Natural Science Award of the Chinese Academy of Sciences. After returning from France, Huang Changchun carried out the research on symbiotic stars, and at the same time carried out the spectral observation of B-type emitters, novae and supernovae by using domestic and foreign equipment, and published a series of articles. Huang has published more than 30 papers in Chinese Journal of astronomy, European Journal of astronomy and Astrophysics and other important astronomical journals at home and abroad, and has a certain position in the international academic community in the research field of symbiotic stars and other special celestial bodies (comments on Huang's work appraisal by the evaluation team composed of Gong Shumo, Xiong Dayun, Su Hongjun and Kimura Bo) . Because of his outstanding contribution to the development of science and technology in China, Huang Changchun enjoyed the government subsidy and obtained the certificate issued by the State Council. Huang Changchun has been the director of the stellar Research Office of Zijinshan Observatory for many years. He is a member of the Chinese Astronomical Society and the International Astronomical Union. He also served as the director general of the Chinese Astronomical Society and the director of the stellar and Planetary Physics Committee of the Chinese Astronomical Society. Huang was also employed as the nominator of Japan's Kyoto science, technology and culture awards and retired in December 1994.

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He was born in Yuechi County, Sichuan Province in 1934. He studied in Department of astronomy, Nanjing University from 1952 to 1956. He worked in Zijinshan Observatory, Chinese Academy of Sciences from 1956 to 1994, and successively served as director of the stellar Research Office of Zijinshan Observatory, director general of the Chinese Astronomical Society, and director of the stellar and Planetary Physics Committee of the Chinese Astronomical Society. retired from Zijinshan Observatory in December 1994. moved to New Zealand in early 1995. Baidu Encyclopedia content is shared by netizens. If you find that your data content is inaccurate or incomplete, you are welcome to use your own data service (free) to participate in the correction. Go to > > now

Chinese PinYin : Huang Zhang Chun