Matches in SemOpenAlex for { <https://semopenalex.org/work/W3100305770> ?p ?o ?g. }
- W3100305770 endingPage "A148" @default.
- W3100305770 startingPage "A148" @default.
- W3100305770 abstract "We analyse molecular observations performed at IRAM interferometer in CO(1-0) of the circum-nuclear region (within 250 pc) of Andromeda, with 2.9 arcsec = 11 pc resolution. We detect 12 molecular clumps in this region, corresponding to a total molecular mass of (8.4 +- 0.4) x 10**4 Msol. They follow the Larson's mass-size relation, but lie well above the velocity-size relation. We discuss that these clumps are probably not virialised, but transient agglomerations of smaller entities that might be virialised. Three of these clumps have been detected in CO(2-1) in a previous work, and we find temperature line ratio below 0.5. With a RADEX analysis, we show that this gas is in non local thermal equilibrium with a low excitation temperature (Tex = 5-9 K). We find a surface beam filling factor of order 5 percent and a gas density in the range 60-650 cm**{-3}, well below the critical density. With a gas-to-stellar mass fraction of 4 x 10**{-4} and dust-to-gas ratio of 0.01, this quiescent region has exhausted his gas budget. Its spectral energy distribution is compatible with passive templates assembled from elliptical galaxies. While weak dust emission is present in the region, we show that no star formation is present and support the previous results that the dust is heated by the old and intermediate stellar population. We study that this region lies formally in the low-density part of the Kennicutt-Schmidt law, in a regime where the SFR estimators are not completely reliable. We confirm the quiescence of the inner part of this galaxy known to lie on the green valley." @default.
- W3100305770 created "2020-11-23" @default.
- W3100305770 creator A5064812526 @default.
- W3100305770 creator A5076853341 @default.
- W3100305770 creator A5083190359 @default.
- W3100305770 date "2019-05-01" @default.
- W3100305770 modified "2023-10-09" @default.
- W3100305770 title "M 31 circum-nuclear region: A molecular survey with the IRAM interferometer" @default.
- W3100305770 cites W1710780480 @default.
- W3100305770 cites W1753711873 @default.
- W3100305770 cites W1824902482 @default.
- W3100305770 cites W1882938068 @default.
- W3100305770 cites W1974701556 @default.
- W3100305770 cites W1977487861 @default.
- W3100305770 cites W1978403792 @default.
- W3100305770 cites W1979115990 @default.
- W3100305770 cites W1980171700 @default.
- W3100305770 cites W1980547824 @default.
- W3100305770 cites W1982507072 @default.
- W3100305770 cites W1989879402 @default.
- W3100305770 cites W1989977612 @default.
- W3100305770 cites W1990401433 @default.
- W3100305770 cites W1991741105 @default.
- W3100305770 cites W1995862166 @default.
- W3100305770 cites W2000070292 @default.
- W3100305770 cites W2001650506 @default.
- W3100305770 cites W2004810932 @default.
- W3100305770 cites W2006878995 @default.
- W3100305770 cites W2018388366 @default.
- W3100305770 cites W2020658804 @default.
- W3100305770 cites W2021590434 @default.
- W3100305770 cites W2026132224 @default.
- W3100305770 cites W2029083557 @default.
- W3100305770 cites W2031721811 @default.
- W3100305770 cites W2031950948 @default.
- W3100305770 cites W2033163066 @default.
- W3100305770 cites W2033517829 @default.
- W3100305770 cites W2046335871 @default.
- W3100305770 cites W2049648448 @default.
- W3100305770 cites W2053716388 @default.
- W3100305770 cites W2065733335 @default.
- W3100305770 cites W2073510197 @default.
- W3100305770 cites W2074529843 @default.
- W3100305770 cites W2077298971 @default.
- W3100305770 cites W2081248194 @default.
- W3100305770 cites W2088536005 @default.
- W3100305770 cites W2088763329 @default.
- W3100305770 cites W2090561761 @default.
- W3100305770 cites W2092456387 @default.
- W3100305770 cites W2092504858 @default.
- W3100305770 cites W2098564368 @default.
- W3100305770 cites W2114553120 @default.
- W3100305770 cites W2114874982 @default.
- W3100305770 cites W2116466430 @default.
- W3100305770 cites W2117845751 @default.
- W3100305770 cites W2127604531 @default.
- W3100305770 cites W2127984363 @default.
- W3100305770 cites W2128294460 @default.
- W3100305770 cites W2133778146 @default.
- W3100305770 cites W2135894620 @default.
- W3100305770 cites W2138001477 @default.
- W3100305770 cites W2138234075 @default.
- W3100305770 cites W2139299569 @default.
- W3100305770 cites W2140807130 @default.
- W3100305770 cites W2141563551 @default.
- W3100305770 cites W2145609801 @default.
- W3100305770 cites W2154126793 @default.
- W3100305770 cites W2155421027 @default.
- W3100305770 cites W2165704835 @default.
- W3100305770 cites W2169224160 @default.
- W3100305770 cites W2178336115 @default.
- W3100305770 cites W2264875206 @default.
- W3100305770 cites W2298552872 @default.
- W3100305770 cites W2401435175 @default.
- W3100305770 cites W2467084018 @default.
- W3100305770 cites W2508402256 @default.
- W3100305770 cites W2533579457 @default.
- W3100305770 cites W2580290736 @default.
- W3100305770 cites W2601507719 @default.
- W3100305770 cites W2606347516 @default.
- W3100305770 cites W2753402631 @default.
- W3100305770 cites W2783615254 @default.
- W3100305770 cites W2803828449 @default.
- W3100305770 cites W2806294049 @default.
- W3100305770 cites W2953123020 @default.
- W3100305770 cites W3098004179 @default.
- W3100305770 cites W3098197335 @default.
- W3100305770 cites W3098437017 @default.
- W3100305770 cites W3098975407 @default.
- W3100305770 cites W3099149995 @default.
- W3100305770 cites W3099471130 @default.
- W3100305770 cites W3099619079 @default.
- W3100305770 cites W3099886229 @default.
- W3100305770 cites W3099907482 @default.
- W3100305770 cites W3099970627 @default.
- W3100305770 cites W3100081020 @default.
- W3100305770 cites W3101245461 @default.
- W3100305770 cites W3101531122 @default.