Laboratory rotational spectrum of 2-hydroxyprop-2-enal and its astronomical search with ALMA

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22340%2F22%3A43924438" target="_blank" >RIV/60461373:22340/22:43924438 - 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
Laboratory rotational spectrum of 2-hydroxyprop-2-enal and its astronomical search with ALMA
Original language description
The C3H4O2 family of isomers covers several species containing structural motifs typical for interstellar molecules, such as vinyl, hydroxyl, or aldehyde functional groups. Recent tentative detection of 3-hydroxypropenal and chemical modeling of its C3H4O2 isomers suggest that another member of this family, 2-hydroxyprop-2-enal, could be abundant in IRAS16293-24221. We performed laboratory measurements of millimetre-wave spectra of 2-hydroxyprop-2-enal with the Prague millimetre-wave semiconductor spectrometer2 in two distinct frequency regions of 128–166 and 285–329 GHz. Hundreds of rotational transitions of 2-hydroxyprop-2-enal in the ground state and the lowest-lying excited vi-brational state were assigned and analysed. Based on our data, the molecule was searched towards the solar-type protostar IRAS16293-2422 and the star-forming region Sagittarius B2(N). Results are provided in the present contribution.
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
2022
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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