Infrared-excess Source DSO/G2 Near the Galactic Center: Theory vs. Observations

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985815%3A_____%2F15%3A00453606" target="_blank" >RIV/67985815:_____/15:00453606 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Infrared-excess Source DSO/G2 Near the Galactic Center: Theory vs. Observations
Original language description
Based on the monitoring of the Dusty S-cluster Object (DSO/G2) during its closest approach to the Galactic Center supermassive black hole in 2014 and 2015 with ESO VLT/SINFONI, we further explore the model of a young, accreting star to explain observed spectral and morphological features. The stellar scenario is supported by our ndings, i.e., ionized-hydrogen emission from the DSO that remains spatially compact before and after the peribothron passage. The detection of DSO/G2 object as a compact single-peak emission-line source is not consistent with the original hypothesis of a core-less cloud that is necessarily tidally stretched, hence producing a double-peak emission line prole around the pericentre passage. This strengthens the evidence that the DSO/G2 source is a dust-enshrouded young star that appears to be in an accretion phase. The infall of material from the circumstellar disc onto the stellar surface can contribute signicantly to the emission of Br line as well as the observ
Czech name
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Czech description
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Project
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Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year
2015
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection
WDS 2015: Proceedings of Contributed Papers: Physics
ISBN
9788073783112
ISSN
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e-ISSN
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Number of pages
9
Pages from-to
27-35
Publisher name
Matfyzpress
Place of publication
Prague
Event location
Prague
Event date
Jun 4, 2015
Type of event by nationality
WRD - Celosvětová akce
UT code for WoS article
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