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http://hdl.handle.net/20.500.12386/27769| Title: | A survey for OH masers in H2O maser galaxies with the Effelsberg and Green Bank radio telescopes | Authors: | LADU, ELISABETTA TARCHI, ANDREA CASTANGIA, PAOLA Surcis, Gabriele Henkel, Christian |
Issue Date: | 2018 | Volume: | Astrophysical Masers: Unlocking the Mysteries of the Universe | Editors: | Tarchi, Andrea; Reid, Mark J.; Castangia, Paola | Series: | PROCEEDINGS OF THE INTERNATIONAL ASTRONOMICAL UNION | Number: | vol. 13, S336 | First Page: | 137 | Abstract: | We present a search for OH maser emission in galaxies hosting H<SUB>2</SUB>O masers with the 100-m Effelsberg radio telescope and the Green Bank Telescope (GBT). This survey is aimed at investigating the apparent rarity and/or possible mutual exclusion of megamaser emission from OH and H<SUB>2</SUB>O in the same galaxy. Our study establishes new and better upper limits on the OH maser luminosity. Our work duplicates the number of H<SUB>2</SUB>O masers searched for OH emission. No new maser detections have been found. OH absorption, both in the 1667 and 1665 MHz transitions, is instead detected in two galaxies of the sample, IC342 and NGG5793. | Conference Name: | IAUS 336: Astrophysical Masers: Unlocking the Mysteries of the Universe | Conference Place: | Cagliari, Italia | Conference Date: | 4-8 Settembre, 2017 | URI: | http://hdl.handle.net/20.500.12386/27769 | URL: | https://www.cambridge.org/core/journals/proceedings-of-the-international-astronomical-union/article/survey-for-oh-masers-in-h2o-maser-galaxies-with-the-effelsberg-and-green-bank-radio-telescopes/70A4A9CF7835D4B26D8B2D5360D53E20 | ISSN: | 1743-9213 | ISBN: | 978-1107192454 | DOI: | 10.1017/S1743921317009759 | Bibcode ADS: | 2018IAUS..336..137L | Fulltext: | open |
| Appears in Collections: | 3.01 Contributi in Atti di convegno |
Files in This Item:
| File | Description | Size | Format | |
|---|---|---|---|---|
| iaus336_symposium_Ladu.pdf | postprint | 314.11 kB | Adobe PDF | View/Open |
| IAU proc. survey_for_oh_masers.pdf | Pdf editoriale | 100.44 kB | Adobe PDF | View/Open |
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