Clumpy Molecular Structures Revolving the B[e] Supergiant MWC 137

0479252 - ASÚ 2018 RIV US eng C - Konferenční příspěvek (zahraniční konf.)
Kraus, Michaela - Cidale, L.S. - Liimets, Tiina - Cappa, C.E. - Duronea, N. - Gunawan, D.S. - Oksala, M.E. - Santander-Garcia, M. - Arias, M.L. - Nickeler, Dieter Horst - Maravelias, Grigorios - Borges Fernandes, M. - Curé, M.
Clumpy Molecular Structures Revolving the B[e] Supergiant MWC 137.
B(e) Phenomenon: Forty Years of Studies. San Francisco: Astronomical Society of the Pacific, 2017, s. 381-382. ASP Conference Series, 508. ISBN 9781583819005.
[B[e] Phenomenon: Forty Years of Studies. Prague (CZ), 27.06.2016-01.07.2016]
Grant CEP: GA ČR(CZ) GA14-21373S
Institucionální podpora: RVO:67985815
Klíčová slova: MWC 137 * emission-line * spatial distribution
Obor OECD: Astronomy (including astrophysics,space science)

The peculiar emission-line star MWC 137 with its extended optical nebula was recently classified as a B[e] supergiant. To study the spatial distribution of its circumstellar molecular gas on small and large scales, we obtained near-infrared and radio observations using SINFONI and APEX, respectively. We find that the hot CO gas is arranged in a moving clumpy ring and shell structures close to the star, while a cold CO envelope is encircling the borders of the optical nebula from South to West.
Trvalý link: http://hdl.handle.net/11104/0275255