Arsen T. Kalloglian

Armenia

1931-2016

Obituary:

One of BAO oldest scientists, Dr. Arsen Kalloghlian passed away in Yerevan on 3 April 2016, at the age of 85. Arsen Tigran Kalloghlian was born on 10 January 1931 in Aleppo, Syria. Obtaining his primary education in a local Armenian school in 1946 he repatriated with his family when he was 15. His family was among the first repatriates to move to Armenia. In the next two years he completed his higher education in Yerevan. In 1945 the Department of Astrophysics was opened at Yerevan State University (YSU) by Prof. Victor Ambartsumian and Arsen Kalloghlian entered this University in 1948 for studying Astrophysics and graduated from it in 1953. Then he began his post-graduate studies in 1955 under supervision of Victor Ambartsumian. In 1959 he defended his PhD thesis and since 1967 he was a senior research associate at BAO. Starting from the very beginning he is studying various problems of Extragalactic Astronomy. His more than 130 research papers are devoted to detailed studies of barred spirals, galaxies with UVcontinuum, groups and clusters of galaxies, etc. He was the first to study the barred spirals in detail including the environmental features of these galaxies. Many papers were devoted to the study of morphological and photometric properties of Markarian galaxies. The great part of his papers has been completed and published in cooperation with colleagues from Armenia, Germany, France, Italy, Georgia and Bulgaria. Dr. Kalloghlian was a founding member of ArAS (1999), member of the International Astronomical Union (IAU) since 1970, for many years he was a member of the Scientific Council of BAO, and for about 40 years he was serving as the Secretary-in-Chief of the journal Astrofizika (Astrophysics).

Reference:

This obituary was published in ArAS Newsletter #92 (https://www.aras.am/ArasNews/arasnews92.pdf).