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@article{490276, author = {Kubát, Jiří and Krtička, Jiří and Pustylnik, Izold}, article_number = {9}, keywords = {Stars: early-type; Stars: coronae; Hydrodynamics; Stars: winds; outflows; Stars: emission-line; Be}, language = {eng}, issn = {1384-1076}, journal = {New Astronomy}, title = {Radiation induced coronal wind in late B stars}, url = {http://www.elsevier.com/PII/S138410760300160X}, volume = {2004}, year = {2004} }
TY - JOUR ID - 490276 AU - Kubát, Jiří - Krtička, Jiří - Pustylnik, Izold PY - 2004 TI - Radiation induced coronal wind in late B stars JF - New Astronomy VL - 2004 IS - 9 SP - 215-224 EP - 215-224 SN - 13841076 KW - Stars: early-type KW - Stars: coronae KW - Hydrodynamics KW - Stars: winds KW - outflows KW - Stars: emission-line KW - Be UR - http://www.elsevier.com/PII/S138410760300160X N2 - Multicomponent radiatively driven winds in the late B stars cause significant heating of the layers just above the photosphere. These heated layers form a hot region - a corona, which may provide a significant fraction of energy necessary for the formation of a coronal wind driven by gas pressure. Fast rotation of this radiation induced coronal wind may cause the formation of the disk. Disk inhibition by nonradial line force would have only a little effect in this case, since the main driving mechanism is pressure gradient and not absorption in spectral lines. Finally, we show that this coronal region may be a site of significant X-ray emission which is able to explain observed X-ray activity of early B stars. ER -
KUBÁT, Jiří, Jiří KRTIČKA a Izold PUSTYLNIK. Radiation induced coronal wind in late B stars. \textit{New Astronomy}. 2004, roč.~2004, č.~9, s.~215-224. ISSN~1384-1076.
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