Discovery of H2O megamasers in obscured active galactic nuclei
Abstract A new method to discover obscured active galactic nuclei (AGNs) by utilizing X-ray and infrared data has recently been developed. We carried out a survey of H2O maser emission toward 10 obscured AGNs with the Nobeyama 45 m telescope. We newly detected the maser emission with a signal-noise-...
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| Veröffentlicht in: | Publications of the Astronomical Society of Japan 2017-08, Vol.69 (4) |
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| container_title | Publications of the Astronomical Society of Japan |
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| creator | Yamauchi, Aya Miyamoto, Yusuke Nakai, Naomasa Terashima, Yuichi Okumura, Taishi Zhou, Bin Taniguchi, Kotomi Kaneko, Hiroyuki Matsumoto, Naoko Salak, Dragan Nishimura, Atsushi Ueno, Saeko |
| description | Abstract
A new method to discover obscured active galactic nuclei (AGNs) by utilizing X-ray and infrared data has recently been developed. We carried out a survey of H2O maser emission toward 10 obscured AGNs with the Nobeyama 45 m telescope. We newly detected the maser emission with a signal-noise-ratio (SNR) of above 4 from two AGNs; NGC 1402 and NGC 7738. We also found a tentative detection with SNR > 3 in NGC 5037. The detection rate of 20% is higher than those of previous surveys (usually several percent). |
| doi_str_mv | 10.1093/pasj/psx052 |
| format | Article |
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A new method to discover obscured active galactic nuclei (AGNs) by utilizing X-ray and infrared data has recently been developed. We carried out a survey of H2O maser emission toward 10 obscured AGNs with the Nobeyama 45 m telescope. We newly detected the maser emission with a signal-noise-ratio (SNR) of above 4 from two AGNs; NGC 1402 and NGC 7738. We also found a tentative detection with SNR > 3 in NGC 5037. The detection rate of 20% is higher than those of previous surveys (usually several percent).</description><identifier>ISSN: 0004-6264</identifier><identifier>EISSN: 2053-051X</identifier><identifier>DOI: 10.1093/pasj/psx052</identifier><language>eng</language><publisher>Oxford University Press</publisher><ispartof>Publications of the Astronomical Society of Japan, 2017-08, Vol.69 (4)</ispartof><rights>The Authors 2017. Published by Oxford University Press on behalf of the Astronomical Society of Japan. All rights reserved. For Permissions, please email: journals.permissions@oup.com 2017</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c367t-c1ae8b18f4325e58ae4862c4d208a053053fb2da2bc3e10931d90b197d5bc6023</citedby><cites>FETCH-LOGICAL-c367t-c1ae8b18f4325e58ae4862c4d208a053053fb2da2bc3e10931d90b197d5bc6023</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,777,781,1579,27905,27906</link.rule.ids></links><search><creatorcontrib>Yamauchi, Aya</creatorcontrib><creatorcontrib>Miyamoto, Yusuke</creatorcontrib><creatorcontrib>Nakai, Naomasa</creatorcontrib><creatorcontrib>Terashima, Yuichi</creatorcontrib><creatorcontrib>Okumura, Taishi</creatorcontrib><creatorcontrib>Zhou, Bin</creatorcontrib><creatorcontrib>Taniguchi, Kotomi</creatorcontrib><creatorcontrib>Kaneko, Hiroyuki</creatorcontrib><creatorcontrib>Matsumoto, Naoko</creatorcontrib><creatorcontrib>Salak, Dragan</creatorcontrib><creatorcontrib>Nishimura, Atsushi</creatorcontrib><creatorcontrib>Ueno, Saeko</creatorcontrib><title>Discovery of H2O megamasers in obscured active galactic nuclei</title><title>Publications of the Astronomical Society of Japan</title><description>Abstract
A new method to discover obscured active galactic nuclei (AGNs) by utilizing X-ray and infrared data has recently been developed. We carried out a survey of H2O maser emission toward 10 obscured AGNs with the Nobeyama 45 m telescope. We newly detected the maser emission with a signal-noise-ratio (SNR) of above 4 from two AGNs; NGC 1402 and NGC 7738. We also found a tentative detection with SNR > 3 in NGC 5037. The detection rate of 20% is higher than those of previous surveys (usually several percent).</description><issn>0004-6264</issn><issn>2053-051X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><recordid>eNp9j01LxDAQhoMoWNY9-Qdy8iJ1J0mTthdB1o8VFvai4K0k6XSJtJuSbBf339tSz8LAzOGZl_ch5JbBA4NSrHodv1d9_AHJL0jCQYoUJPu6JAkAZKniKrsmyxidAa7KnKlcJOTx2UXrTxjO1Dd0w3e0w73udMQQqTtQb6IdAtZU26M7Id3rdrosPQy2RXdDrhrdRlz-7QX5fH35WG_S7e7tff20Ta1Q-TG1TGNhWNFkgkuUhcasUNxmNYdCj0XHaQyvNTdW4CTD6hIMK_NaGquAiwW5n3Nt8DEGbKo-uE6Hc8Wgmh6qyb6a7Uf6bqb90P8L_gIh-Ftl</recordid><startdate>20170801</startdate><enddate>20170801</enddate><creator>Yamauchi, Aya</creator><creator>Miyamoto, Yusuke</creator><creator>Nakai, Naomasa</creator><creator>Terashima, Yuichi</creator><creator>Okumura, Taishi</creator><creator>Zhou, Bin</creator><creator>Taniguchi, Kotomi</creator><creator>Kaneko, Hiroyuki</creator><creator>Matsumoto, Naoko</creator><creator>Salak, Dragan</creator><creator>Nishimura, Atsushi</creator><creator>Ueno, Saeko</creator><general>Oxford University Press</general><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20170801</creationdate><title>Discovery of H2O megamasers in obscured active galactic nuclei</title><author>Yamauchi, Aya ; Miyamoto, Yusuke ; Nakai, Naomasa ; Terashima, Yuichi ; Okumura, Taishi ; Zhou, Bin ; Taniguchi, Kotomi ; Kaneko, Hiroyuki ; Matsumoto, Naoko ; Salak, Dragan ; Nishimura, Atsushi ; Ueno, Saeko</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c367t-c1ae8b18f4325e58ae4862c4d208a053053fb2da2bc3e10931d90b197d5bc6023</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Yamauchi, Aya</creatorcontrib><creatorcontrib>Miyamoto, Yusuke</creatorcontrib><creatorcontrib>Nakai, Naomasa</creatorcontrib><creatorcontrib>Terashima, Yuichi</creatorcontrib><creatorcontrib>Okumura, Taishi</creatorcontrib><creatorcontrib>Zhou, Bin</creatorcontrib><creatorcontrib>Taniguchi, Kotomi</creatorcontrib><creatorcontrib>Kaneko, Hiroyuki</creatorcontrib><creatorcontrib>Matsumoto, Naoko</creatorcontrib><creatorcontrib>Salak, Dragan</creatorcontrib><creatorcontrib>Nishimura, Atsushi</creatorcontrib><creatorcontrib>Ueno, Saeko</creatorcontrib><collection>CrossRef</collection><jtitle>Publications of the Astronomical Society of Japan</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Yamauchi, Aya</au><au>Miyamoto, Yusuke</au><au>Nakai, Naomasa</au><au>Terashima, Yuichi</au><au>Okumura, Taishi</au><au>Zhou, Bin</au><au>Taniguchi, Kotomi</au><au>Kaneko, Hiroyuki</au><au>Matsumoto, Naoko</au><au>Salak, Dragan</au><au>Nishimura, Atsushi</au><au>Ueno, Saeko</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Discovery of H2O megamasers in obscured active galactic nuclei</atitle><jtitle>Publications of the Astronomical Society of Japan</jtitle><date>2017-08-01</date><risdate>2017</risdate><volume>69</volume><issue>4</issue><issn>0004-6264</issn><eissn>2053-051X</eissn><abstract>Abstract
A new method to discover obscured active galactic nuclei (AGNs) by utilizing X-ray and infrared data has recently been developed. We carried out a survey of H2O maser emission toward 10 obscured AGNs with the Nobeyama 45 m telescope. We newly detected the maser emission with a signal-noise-ratio (SNR) of above 4 from two AGNs; NGC 1402 and NGC 7738. We also found a tentative detection with SNR > 3 in NGC 5037. The detection rate of 20% is higher than those of previous surveys (usually several percent).</abstract><pub>Oxford University Press</pub><doi>10.1093/pasj/psx052</doi><oa>free_for_read</oa></addata></record> |
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| source | Oxford University Press Journals All Titles (1996-Current); Freely Accessible Japanese Titles |
| title | Discovery of H2O megamasers in obscured active galactic nuclei |
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