{
  "id": "2211.14063",
  "version": "v1",
  "published": "2022-11-25T12:38:17.000Z",
  "updated": "2022-11-25T12:38:17.000Z",
  "title": "H$^{13}$CN-HN$^{13}$C intensity ratio as a temperature indicator of interstellar clouds",
  "authors": [
    "A. G. Pazukhin",
    "I. I. Zinchenko",
    "E. A. Trofimova",
    "C. Henkel"
  ],
  "comment": "16 pages, 7 figures, 2 tables, Accepted for publication in Astronomy Reports (2022)",
  "categories": [
    "astro-ph.GA"
  ],
  "abstract": "With the 30-m IRAM radio telescope, we observed several massive star forming regions at wavelengths of 3-4 and 2 mm. The temperature of the gas in the sources was estimated from the lines of CH$_{3}$CCH and from the transitions of the NH$_3$ molecule obtained during observations at the 100-m radio telescope in Effelsberg. As a result, a correlation between the integrated intensity ratios of the $J=1-0$ transitions of H$^{13}$CN and HN$^{13}$C and the kinetic temperature has been obtained. The obtained results allow us to propose the use of the intensity ratio H$^{13}$CN-HN$^{13}$C as a possible temperature indicator of interstellar clouds. We also compared the obtained estimates of the kinetic temperature with the dust temperature $T_{dust}$. As a result, no significant correlation was found.",
  "revisions": [
    {
      "version": "v1",
      "updated": "2022-11-25T12:38:17.000Z"
    }
  ],
  "analyses": {
    "keywords": [
      "interstellar clouds",
      "temperature indicator",
      "kinetic temperature",
      "iram radio telescope",
      "dust temperature"
    ],
    "note": {
      "typesetting": "TeX",
      "pages": 16,
      "language": "en",
      "license": "arXiv",
      "status": "editable"
    }
  }
}