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:

2020

Հատոր:

67

Համար:

2

ISSN:

2579-2276

Ծածկոյթ:

227-231

Ամփոփում:

We show that there exists apparent contradiction between the temperature spectra derived from the Spektr-R data and the temperature spectra predicted theoretically. We show that the temperature uctuations can be correctly estimated from the Spektr-R data only if the mean temperature is isotropic. Since the mean temperature in the solar wind is usually anisotropic, the derived uctuations appear to be pseudo-temperature rather than temperature. These pseudo- temperature uctuations are driven by the high-amplitude magnetic uctuations in Alfven waves rather than the uctuations of temperature or thermal velocity.

Ձեւաչափ:

pdf

Նոյնացուցիչ:

oai:arar.sci.am:296278

Լեզու:

en

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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