Lynne A. Valencic, Kimberly A. Weaver, K. D. Kuntz, J. Cann, R. Pfeifle
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TUVO-21acq was found to have X-ray flux <jats:italic>F</jats:italic>\n <jats:sub>X</jats:sub>(0.4–3.0 keV) ∼ 1.3 × 10<jats:sup>−14</jats:sup> erg s<jats:sup>−1</jats:sup> cm<jats:sup>−2</jats:sup> and features similar to other quiescent dwarf novae, with X-ray luminosity <jats:italic>L</jats:italic>\n <jats:sub>X</jats:sub>(0.4–3.0 keV) ∼ 8 × 10<jats:sup>30</jats:sup> erg s<jats:sup>−1</jats:sup> and a white dwarf mass <jats:inline-formula>\n <jats:tex-math>\n\n</jats:tex-math>\n <mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\" overflow=\"scroll\">\n <mml:msub>\n <mml:mrow>\n <mml:mi>M</mml:mi>\n </mml:mrow>\n <mml:mrow>\n <mml:mi>WD</mml:mi>\n </mml:mrow>\n </mml:msub>\n <mml:mo>=</mml:mo>\n <mml:msubsup>\n <mml:mrow>\n <mml:mn>0.78</mml:mn>\n </mml:mrow>\n <mml:mrow>\n <mml:mo>−</mml:mo>\n <mml:mn>0.27</mml:mn>\n </mml:mrow>\n <mml:mrow>\n <mml:mo>+</mml:mo>\n <mml:mn>0.37</mml:mn>\n </mml:mrow>\n </mml:msubsup>\n <mml:mspace width=\"0.25em\"/>\n <mml:msub>\n <mml:mrow>\n <mml:mi>M</mml:mi>\n </mml:mrow>\n <mml:mrow>\n <mml:mo>⊙</mml:mo>\n </mml:mrow>\n </mml:msub>\n </mml:math>\n <jats:inline-graphic xmlns:xlink=\"http://www.w3.org/1999/xlink\" xlink:href=\"paspad4592ieqn1.gif\" xlink:type=\"simple\"/>\n </jats:inline-formula>. Its UV/optical spectrum was variable between observations, possibly due to changes in the accretion disk or the visibility of the bright spot.</jats:p>","PeriodicalId":3,"journal":{"name":"ACS Applied Electronic Materials","volume":"73 1","pages":""},"PeriodicalIF":4.7000,"publicationDate":"2024-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"A Serendipitous Observation of the Recently Discovered Cataclysmic Variable TUVO-21acq\",\"authors\":\"Lynne A. Valencic, Kimberly A. Weaver, K. D. Kuntz, J. Cann, R. Pfeifle\",\"doi\":\"10.1088/1538-3873/ad4592\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"\\n <jats:p>The recently discovered non-magnetic cataclysmic variable TUVO-21acq was serendipitously observed in a quiescent state during an XMM-Newton observing campaign for the starburst galaxy NGC 4945. Data from this campaign was combined with archival serendipitous XMM observations to examine its X-ray and UV/optical characteristics. TUVO-21acq was found to have X-ray flux <jats:italic>F</jats:italic>\\n <jats:sub>X</jats:sub>(0.4–3.0 keV) ∼ 1.3 × 10<jats:sup>−14</jats:sup> erg s<jats:sup>−1</jats:sup> cm<jats:sup>−2</jats:sup> and features similar to other quiescent dwarf novae, with X-ray luminosity <jats:italic>L</jats:italic>\\n <jats:sub>X</jats:sub>(0.4–3.0 keV) ∼ 8 × 10<jats:sup>30</jats:sup> erg s<jats:sup>−1</jats:sup> and a white dwarf mass <jats:inline-formula>\\n <jats:tex-math>\\n\\n</jats:tex-math>\\n <mml:math xmlns:mml=\\\"http://www.w3.org/1998/Math/MathML\\\" overflow=\\\"scroll\\\">\\n <mml:msub>\\n <mml:mrow>\\n <mml:mi>M</mml:mi>\\n </mml:mrow>\\n <mml:mrow>\\n <mml:mi>WD</mml:mi>\\n </mml:mrow>\\n </mml:msub>\\n <mml:mo>=</mml:mo>\\n <mml:msubsup>\\n <mml:mrow>\\n <mml:mn>0.78</mml:mn>\\n </mml:mrow>\\n <mml:mrow>\\n <mml:mo>−</mml:mo>\\n <mml:mn>0.27</mml:mn>\\n </mml:mrow>\\n <mml:mrow>\\n <mml:mo>+</mml:mo>\\n <mml:mn>0.37</mml:mn>\\n </mml:mrow>\\n </mml:msubsup>\\n <mml:mspace width=\\\"0.25em\\\"/>\\n <mml:msub>\\n <mml:mrow>\\n <mml:mi>M</mml:mi>\\n </mml:mrow>\\n <mml:mrow>\\n <mml:mo>⊙</mml:mo>\\n </mml:mrow>\\n </mml:msub>\\n </mml:math>\\n <jats:inline-graphic xmlns:xlink=\\\"http://www.w3.org/1999/xlink\\\" xlink:href=\\\"paspad4592ieqn1.gif\\\" xlink:type=\\\"simple\\\"/>\\n </jats:inline-formula>. Its UV/optical spectrum was variable between observations, possibly due to changes in the accretion disk or the visibility of the bright spot.</jats:p>\",\"PeriodicalId\":3,\"journal\":{\"name\":\"ACS Applied Electronic Materials\",\"volume\":\"73 1\",\"pages\":\"\"},\"PeriodicalIF\":4.7000,\"publicationDate\":\"2024-05-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"ACS Applied Electronic Materials\",\"FirstCategoryId\":\"101\",\"ListUrlMain\":\"https://doi.org/10.1088/1538-3873/ad4592\",\"RegionNum\":3,\"RegionCategory\":\"材料科学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q1\",\"JCRName\":\"ENGINEERING, ELECTRICAL & ELECTRONIC\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"ACS Applied Electronic Materials","FirstCategoryId":"101","ListUrlMain":"https://doi.org/10.1088/1538-3873/ad4592","RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"ENGINEERING, ELECTRICAL & ELECTRONIC","Score":null,"Total":0}
A Serendipitous Observation of the Recently Discovered Cataclysmic Variable TUVO-21acq
The recently discovered non-magnetic cataclysmic variable TUVO-21acq was serendipitously observed in a quiescent state during an XMM-Newton observing campaign for the starburst galaxy NGC 4945. Data from this campaign was combined with archival serendipitous XMM observations to examine its X-ray and UV/optical characteristics. TUVO-21acq was found to have X-ray flux FX(0.4–3.0 keV) ∼ 1.3 × 10−14 erg s−1 cm−2 and features similar to other quiescent dwarf novae, with X-ray luminosity LX(0.4–3.0 keV) ∼ 8 × 1030 erg s−1 and a white dwarf mass MWD=0.78−0.27+0.37M⊙. Its UV/optical spectrum was variable between observations, possibly due to changes in the accretion disk or the visibility of the bright spot.
期刊介绍：
ACS Applied Electronic Materials is an interdisciplinary journal publishing original research covering all aspects of electronic materials. The journal is devoted to reports of new and original experimental and theoretical research of an applied nature that integrate knowledge in the areas of materials science, engineering, optics, physics, and chemistry into important applications of electronic materials. Sample research topics that span the journal's scope are inorganic, organic, ionic and polymeric materials with properties that include conducting, semiconducting, superconducting, insulating, dielectric, magnetic, optoelectronic, piezoelectric, ferroelectric and thermoelectric.
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