Ultraviolet variability of B, Be, and B[e] stars

D 2020

Ultraviolet variability of B, Be, and B[e] stars

KRTIČKOVÁ, Iva and Jiří KRTIČKA

Basic information

Original name

Ultraviolet variability of B, Be, and B[e] stars

Authors

KRTIČKOVÁ, Iva and Jiří KRTIČKA

Edition

Vienna, Stars and their variability observed from space, p. 435-436, 2 pp. 2020

Publisher

University of Vienna

Other information

Language

English

Type of outcome

Stať ve sborníku

Field of Study

10308 Astronomy

Country of publisher

Austria

Confidentiality degree

není předmětem státního či obchodního tajemství

Publication form

electronic version available online

References:

URL

Organization unit

Faculty of Science

Keywords in English

stars: early-type; stars: emission-line; Be; stars: variables: general; stars: oscillations

Abstract

V originále

We study the ultraviolet variability of evolved B[e], Be, and B stars from our Galaxy and from the Magellanic Clouds. We use IUE observations to derive fluxes of individual stars in the selected bands in the near-UV and far-UV regions. We diagnose the variability in the lines and the total flux variability. We discuss the origin of the UV light variability of studied stars. We detected pulsations in B[e] star HD 50138, LBV-type variations in HD 34664, and constant luminosity for a group of B[e] supergiants.

Links

GA18-05665S, research and development project

Name: Ztráta hmoty v pozdních fázích vývoje hmotných hvězd

Investor: Czech Science Foundation

Citovat

KRTIČKOVÁ, Iva and Jiří KRTIČKA. Ultraviolet variability of B, Be, and B[e] stars. Online. In C. Neiner, W. W. Weiss, D. Baade, R. E. Griffin, C. C. Lovekin, A. F. J. Moffat (eds). Stars and their variability observed from space. Vienna: University of Vienna, 2020, p. 435-436.

@inproceedings{1711976,
   author = {Krtičková, Iva and Krtička, Jiří},
   address = {Vienna},
   booktitle = {Stars and their variability observed from space},
   editor = {C. Neiner, W. W. Weiss, D. Baade, R. E. Griffin, C. C. Lovekin, A. F. J. Moffat (eds)},
   keywords = {stars: early-type; stars: emission-line; Be; stars: variables: general; stars: oscillations},
   howpublished = {elektronická verze "online"},
   language = {eng},
   location = {Vienna},
   pages = {435-436},
   publisher = {University of Vienna},
   title = {Ultraviolet variability of B, Be, and B[e] stars},
   url = {https://starsandspace.univie.ac.at/fileadmin/user_upload/p_stars/Proceedings/2020starsconf..0435K.pdf},
   year = {2020}
}

TY  - JOUR
ID  - 1711976
AU  - Krtičková, Iva - Krtička, Jiří
PY  - 2020
TI  - Ultraviolet variability of B, Be, and B[e] stars
PB  - University of Vienna
CY  - Vienna
KW  - stars: early-type
KW  - stars: emission-line
KW  - Be
KW  - stars: variables: general
KW  - stars: oscillations
UR  - https://starsandspace.univie.ac.at/fileadmin/user_upload/p_stars/Proceedings/2020starsconf..0435K.pdf
L2  - https://starsandspace.univie.ac.at/fileadmin/user_upload/p_stars/Proceedings/2020starsconf..0435K.pdf
N2  - We study the ultraviolet variability of evolved B[e], Be, and B stars from our Galaxy and from the Magellanic Clouds. We use IUE observations to derive fluxes of individual stars in the selected bands in the near-UV and far-UV regions. We diagnose the variability in the lines and the total flux variability. We discuss the origin of the UV light variability of studied stars. We detected pulsations in B[e] star HD 50138, LBV-type variations in HD 34664, and constant luminosity for a group of B[e] supergiants.
ER  -

KRTIČKOVÁ, Iva and Jiří KRTIČKA. Ultraviolet variability of B, Be, and B[e] stars. Online. In C. Neiner, W. W. Weiss, D. Baade, R. E. Griffin, C. C. Lovekin, A. F. J. Moffat (eds). \textit{Stars and their variability observed from space}. Vienna: University of Vienna, 2020, p.~435-436.

Detailed Information on Publication Record