Ամսագրի կամ հրապարակման վերնագիր:

Բյուրականի աստղադիտարանի հաղորդումներ: Երևանի աստղադիտարանի բյուլետեն = Сообщения Бюраканской обсерватории. Бюллетень ереванской Астрономической обсерватории = Contributions from the Burakan observatory. Bulletin of the Erevan astronomical observatory

Հրապարակման ամսաթիւ:

2025

Հատոր:

72

Համար:

1

ISSN:

2579-2276

Ծածկոյթ:

84-89

Ամփոփում:

Studies are being conducted on the distribution of extended radio sources and extragalactic objects in their region. This work presents the results of the study of the distribution of extragalactic sources around the radio galaxy 4C 39.04. 4C 39.04 is a giant radio galaxy, both in terms of size and intensity. Within this source, there are numerous compact sources, and the appearance of the radio spectra of compact and extended sources differs significantly. The distribution of extragalactic sources around the galaxy shows that the number of extragalactic sources near this radio galaxy is quite small. If this is not due to absorption by extragalactic matter, it can be concluded that there are very few extragalactic sources in this region, which distinguishes it from other regions. Thus, there is a deficiency of extragalactic objects around the radio galaxy 4C 39.04.

Ձեւաչափ:

pdf

Նոյնացուցիչ:

oai:arar.sci.am:425917

Գլխաւոր նշումը:

Communications of the Byurakan Astrophysical Observatory (ComBAO) is a peer-reviewed scientific journal, which publishes research in observational and theoretical astronomy/astrophysics and presents recent advances in these fields. It is being published by the NAS RA V. Ambartsumian Byurakan Astrophysical Observatory (BAO) in English in electronic form. The journal publishes original papers, review papers, brief reports, book reviews, special communications, observational and theoretical results in various fields of astronomy and related sciences, and some editorial notes, including anniversaries and obituaries. Under the heading “Legacy”, the renewed magazine will republish some old articles of high value in English. The heading “Guest articles” will bring to the attention of readers the articles of researchers who are not employees of BAO. ComBAO was founded in 1946 and regularly published in 1946-1990. However, the publication was interrupted because of the economic situation after the disintegration of the Soviet Union in 1991.

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