Accretion-outflow activity in herbig Ae/Be stars

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Accretion-outflow activity in herbig Ae/Be stars. / Tambovtseva, Larisa; Grinin, Vladimir.

In: Proceedings of Science, 2016.

Research output: Contribution to journal › Conference article › peer-review

BibTeX

@article{ab41b87fef24425db5e89d995770fac8,

title = "Accretion-outflow activity in herbig Ae/Be stars",

abstract = "Young intermediate mass stars, so-called Herbig Ae/Be stars, demonstrate both accretion and outflow features in their emission spectra. Using non-LTE modeling of the hydrogen lines in the visible and near-infrared spectral regions we investigated a close vicinity of these stars and revealed the most important regions contributing to the line emission. The regions of the disk wind play the most important role in the radiation of the hydrogen lines. The regions with accreting matter contribute less to this radiation but can influence the shape of the line profiles. We conclude that a role of accreting processes may be different for the different stars. A radiation from the hot layers of accretion disks is small for the lines in the visible and negligible for the lines in the infrared spectral regions compared to other components surrounding Herbig Ae/Be stars.",

author = "Larisa Tambovtseva and Vladimir Grinin",

note = "Publisher Copyright: {\textcopyright} Copyright owned by the author(s).; 2016 Accretion Processes in Cosmic Sources, APCS 2016 ; Conference date: 05-09-2016 Through 10-09-2016",

year = "2016",

language = "English",

journal = "Proceedings of Science",

issn = "1824-8039",

publisher = "Sissa Medialab Srl",

}

RIS

TY - JOUR

T1 - Accretion-outflow activity in herbig Ae/Be stars

AU - Tambovtseva, Larisa

AU - Grinin, Vladimir

N1 - Publisher Copyright: © Copyright owned by the author(s).

PY - 2016

Y1 - 2016

N2 - Young intermediate mass stars, so-called Herbig Ae/Be stars, demonstrate both accretion and outflow features in their emission spectra. Using non-LTE modeling of the hydrogen lines in the visible and near-infrared spectral regions we investigated a close vicinity of these stars and revealed the most important regions contributing to the line emission. The regions of the disk wind play the most important role in the radiation of the hydrogen lines. The regions with accreting matter contribute less to this radiation but can influence the shape of the line profiles. We conclude that a role of accreting processes may be different for the different stars. A radiation from the hot layers of accretion disks is small for the lines in the visible and negligible for the lines in the infrared spectral regions compared to other components surrounding Herbig Ae/Be stars.

AB - Young intermediate mass stars, so-called Herbig Ae/Be stars, demonstrate both accretion and outflow features in their emission spectra. Using non-LTE modeling of the hydrogen lines in the visible and near-infrared spectral regions we investigated a close vicinity of these stars and revealed the most important regions contributing to the line emission. The regions of the disk wind play the most important role in the radiation of the hydrogen lines. The regions with accreting matter contribute less to this radiation but can influence the shape of the line profiles. We conclude that a role of accreting processes may be different for the different stars. A radiation from the hot layers of accretion disks is small for the lines in the visible and negligible for the lines in the infrared spectral regions compared to other components surrounding Herbig Ae/Be stars.

UR - http://www.scopus.com/inward/record.url?scp=85054936409&partnerID=8YFLogxK

M3 - Conference article

AN - SCOPUS:85054936409

JO - Proceedings of Science

JF - Proceedings of Science

SN - 1824-8039

T2 - 2016 Accretion Processes in Cosmic Sources, APCS 2016

Y2 - 5 September 2016 through 10 September 2016

ER -

ID: 87473710