A universal correlation between warm and hot gas in the stripped tails of cluster galaxies

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985815%3A_____%2F22%3A00552408" target="_blank" >RIV/67985815:_____/22:00552408 - isvavai.cz</a>
Result on the web
<a href="https://doi.org/10.1038/s41550-021-01516-8" target="_blank" >https://doi.org/10.1038/s41550-021-01516-8</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1038/s41550-021-01516-8" target="_blank" >10.1038/s41550-021-01516-8</a>

Result language
angličtina
Original language name
A universal correlation between warm and hot gas in the stripped tails of cluster galaxies
Original language description
The impact of ram pressure stripping on galaxy evolution is well known (for example, ref. (1)). Recent multi-wavelength data have revealed many examples of galaxies undergoing stripping, often accompanied with multi-phase tails(2-13). As energy transfer in the multi-phase medium is an outstanding question in astrophysics, galaxies in stripping are great objects to study. Despite the recent burst of observational evidence, the relationship between gas in different phases in the tails is poorly known. Here we report a strong linear correlation between the X-ray surface brightness and the H alpha surface brightness of the diffuse gas in the stripped tails at similar to 10-40 kpc scales, with a slope of similar to 3.5. This discovery provides evidence for the mixing of the stripped interstellar medium with the hot intra-cluster medium as the origin of the multi-phase tails. The established relation in stripped tails, also in comparison with the probably related correlations in similar environments such as galactic winds and X-ray cool cores, provides an important test for models of energy transfer in the multi-phase gas. It also indicates the importance of the H alpha data to study clumping and turbulence in the intra-cluster medium.
Czech name
—
Czech description
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Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10308 - Astronomy (including astrophysics,space science)

Project
<a href="/en/project/LM2018106" target="_blank" >LM2018106: Atacama Large Millimeter/ Submillimeter Array – participation of the Czech Republic</a><br>
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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