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FältnamnIndikatorerMetadata
00012197naa a2201633 4500
001oai:DiVA.org:lnu-51553
003SwePub
008160329s2014 | |||||||||||000 ||eng|
009oai:research.chalmers.se:47e30820-731a-463f-b243-51c8fa0eccac
024a https://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-515532 URI
024a https://doi.org/10.1093/mnras/stt21582 DOI
024a https://research.chalmers.se/publication/1934112 URI
040 a (SwePub)lnud (SwePub)cth
041 a engb eng
042 9 SwePub
072 7a ref2 swepub-contenttype
072 7a art2 swepub-publicationtype
100a Oonk, J. B. R.u Netherlands Institute for Radio Astronomy (ASTRON),Max-Planck Institut für Radioastronomie,Max-Planck Institute for Radio Astronomy,University of Southampton4 aut
2451 0a Discovery of carbon radio recombination lines in absorption towards Cygnus A
264 c 2013-12-07
264 1b Oxford University Press (OUP),c 2014
338 a print2 rdacarrier
520 a We present the first detection of carbon radio recombination line absorption along the line of sight to Cygnus A. The observations were carried out with the Low Frequency Array in the 33–57 MHz range. These low-frequency radio observations provide us with a new line of sight to study the diffuse, neutral gas in our Galaxy. To our knowledge this is the first time that foreground Milky Way recombination line absorption has been observed against a bright extragalactic background source. By stacking 48 carbon α lines in the observed frequency range we detect carbon absorption with a signal-to-noise ratio of about 5. The average carbon absorption has a peak optical depth of 2 × 10−4, a line width of 10 km s−1 and a velocity of +4 km s−1 with respect to the local standard of rest. The associated gas is found to have an electron temperature Te ∼ 110 K and density ne ∼ 0.06 cm−3. These properties imply that the observed carbon α absorption likely arises in the cold neutral medium of the Orion arm of the Milky Way. Hydrogen and helium lines were not detected to a 3σ peak optical depth limit of 1.5 × 10−4 for a 4 km s−1 channel width. Radio recombination lines associated with Cygnus A itself were also searched for, but are not detected. We set a 3σ upper limit of 1.5 × 10−4 for the peak optical depth of these lines for a 4 km s−1 channel width.
650 7a NATURVETENSKAPx Fysikx Astronomi, astrofysik och kosmologi0 (SwePub)103052 hsv//swe
650 7a NATURAL SCIENCESx Physical Sciencesx Astronomy, Astrophysics and Cosmology0 (SwePub)103052 hsv//eng
653 a ISM
653 a local interstellar matter
653 a radio lines
653 a Astroparticle Physics
653 a Astropartikelfysik
700a van Weeren, R. J.u Harvard-Smithsonian Center for Astrophysics,Universiteit Leiden (UL),Leiden University (UL),Netherlands Institute for Radio Astronomy (ASTRON),Max-Planck Institut für Radioastronomie,Max-Planck Institute for Radio Astronomy4 aut
700a Salgado, F.u Universiteit Leiden (UL),Leiden University (UL)4 aut
700a Morabito, L. K.u Universiteit Leiden (UL),Leiden University (UL),University of Manchester,Max-Planck Institut für Radioastronomie,Max-Planck Institute for Radio Astronomy4 aut
700a Tielens, A. G. G. M.u Universiteit Leiden (UL),Leiden University (UL),Netherlands Institute for Radio Astronomy (ASTRON),Space Telescope Science Institute (STScI),Universiteit Van Amsterdam,University of Amsterdam,Université Nice Sophia Antipolis (UNS),Leibniz-Institut Für Astrophysik Potsdam,Leibniz Institute for Astrophysics Potsdam4 aut
700a Rottgering, H. J. A.u Universiteit Leiden (UL),Leiden University (UL),Max-Planck Institut für Radioastronomie,Max-Planck Institute for Radio Astronomy4 aut
700a Asgekar, A.u Universität Hamburg,University of Hamburg,Radboud Universiteit,Radboud University,Netherlands Institute for Radio Astronomy (ASTRON),Universiteit Van Amsterdam,University of Amsterdam,University Of Oxford,Curtin University,University of Southampton,Max-Planck Institut für Radioastronomie,Max-Planck Institute for Radio Astronomy4 aut
700a White, G. J.u Open University,STFC Rutherford Appleton Laboratory,Universite d'Orleans,University of Orléans4 aut
700a Alexov, A.4 aut
700a Anderson, J.4 aut
700a Avruch, I. M.u Netherlands Institute for Space Research (SRON),Universiteit Leiden (UL),Leiden University (UL)4 aut
700a Batejat, Fabien,d 1979u Chalmers tekniska högskola,Chalmers University of Technology4 aut0 (Swepub:cth)em1fabat
700a Beck, R.4 aut
700a Bell, M. E.u The University of Sydney4 aut
700a van Bemmel, I.u Netherlands Institute for Radio Astronomy (ASTRON)4 aut
700a Bentum, M. J.u Netherlands Institute for Radio Astronomy (ASTRON)4 aut
700a Bernardi, G.u Rhodes University4 aut
700a Best, P.u University of Edinburgh4 aut
700a Bonafede, A.4 aut
700a Breitling, F.u Leibniz-Institut Für Astrophysik Potsdam,Leibniz Institute for Astrophysics Potsdam4 aut
700a Brentjens, M.u Netherlands Institute for Radio Astronomy (ASTRON)4 aut
700a Broderick, J.4 aut
700a Brüggen, M.u Universität Hamburg,University of Hamburg4 aut
700a Butcher, H. R.u Australian National University4 aut
700a Ciardi, B.u Max-Planck-Institut für Astrophysik,Max Planck Institute for Astrophysics4 aut
700a Conway, John,d 1963u Chalmers tekniska högskola,Chalmers University of Technology4 aut0 (Swepub:cth)jconway
700a Corstanje, A.4 aut
700a de Gasperin, F.u Universität Hamburg,University of Hamburg4 aut
700a de Geus, E.u Netherlands Institute for Radio Astronomy (ASTRON)4 aut
700a de Vos, M.u Netherlands Institute for Radio Astronomy (ASTRON)4 aut
700a Duscha, S.u Netherlands Institute for Radio Astronomy (ASTRON),Universität Bielefeld,Bielefeld University4 aut
700a Eislöffel, J.u Thüringer Landessternwarte Tautenburg,Ruhr-Universität Bochum4 aut
700a Engels, D.4 aut
700a van Enst, J.u Netherlands Institute for Radio Astronomy (ASTRON)4 aut
700a Falcke, H.u Netherlands Institute for Radio Astronomy (ASTRON),Radboud Universiteit,Radboud University4 aut
700a Fallows, R. A.4 aut
700a Fender, R.u University of Southampton4 aut
700a Ferrari, C.u Université Nice Sophia Antipolis (UNS)4 aut
700a Frieswijk, W.u Netherlands Institute for Radio Astronomy (ASTRON)4 aut
700a Garrett, M. A.4 aut
700a Grießmeier, J.4 aut
700a Hamaker, J. P.u Netherlands Institute for Radio Astronomy (ASTRON),Rijksuniversiteit Groningen,University of Groningen4 aut
700a Hassall, T. E.u University of Manchester,University of Southampton,The University of Sydney4 aut
700a Heald, G.u Netherlands Institute for Radio Astronomy (ASTRON)4 aut
700a Hessels, J. W. T.u Netherlands Institute for Radio Astronomy (ASTRON),Universiteit Van Amsterdam,University of Amsterdam4 aut
700a Hoeft, M.u Thüringer Landessternwarte Tautenburg,Netherlands Institute for Radio Astronomy (ASTRON)4 aut
700a Horneffer, A.4 aut
700a van der Horst, A.4 aut
700a Iacobelli, M.4 aut
700a Jackson, N. J.u University of Manchester,Netherlands Institute for Radio Astronomy (ASTRON)4 aut
700a Juette, E.4 aut
700a Karastergiou, A.4 aut
700a Klijn, W.u Netherlands Institute for Radio Astronomy (ASTRON)4 aut
700a Kohler, J.u Max-Planck Institut für Radioastronomie,Max-Planck Institute for Radio Astronomy4 aut
700a Kondratiev, V. I.u Astro Space Center of Lebedev Physical Institute,Netherlands Institute for Radio Astronomy (ASTRON)4 aut
700a Kramer, M.4 aut
700a Kuniyoshi, M.4 aut
700a Kuper, G.u Netherlands Institute for Radio Astronomy (ASTRON)4 aut
700a van Leeuwen, J.u University of Southampton,Netherlands Institute for Radio Astronomy (ASTRON)4 aut
700a Maat, P.u Netherlands Institute for Radio Astronomy (ASTRON),Observatoire de Lyon,Lyon Observatory4 aut
700a Macario, G.4 aut
700a Mann, G.4 aut
700a Markoff, S.u Universiteit Van Amsterdam,University of Amsterdam,Leibniz-Institut Für Astrophysik Potsdam,Leibniz Institute for Astrophysics Potsdam4 aut
700a McKean, J. P.u Netherlands Institute for Radio Astronomy (ASTRON)4 aut
700a Mevius, M.u Universite d'Orleans,University of Orléans,Netherlands Institute for Radio Astronomy (ASTRON)4 aut
700a Miller-Jones, J. C. A.4 aut
700a Mol, J. D.u Netherlands Institute for Radio Astronomy (ASTRON)4 aut
700a Mulcahy, D. D.u Max-Planck Institut für Radioastronomie,Max-Planck Institute for Radio Astronomy4 aut
700a Munk, H.4 aut
700a Norden, M. J.4 aut
700a Orru, E.u Netherlands Institute for Radio Astronomy (ASTRON)4 aut
700a Paas, H.4 aut
700a Pandey-Pommier, M.4 aut
700a Pandey, V. N.u Netherlands Institute for Radio Astronomy (ASTRON)4 aut
700a Pizzo, R.u Netherlands Institute for Radio Astronomy (ASTRON)4 aut
700a Polatidis, A. G.4 aut
700a Reich, W.4 aut
700a Scaife, A. M. M.4 aut
700a Schoenmakers, A.4 aut
700a Schwarz, D.4 aut
700a Shulevski, A.4 aut
700a Sluman, J.u Netherlands Institute for Radio Astronomy (ASTRON)4 aut
700a Smirnov, O.u Rhodes University4 aut
700a Sobey, C.u Max-Planck Institut für Radioastronomie,Max-Planck Institute for Radio Astronomy4 aut
700a Stappers, B. W.u University of Manchester4 aut
700a Steinmetz, M.4 aut
700a Swinbank, J.u Universiteit Van Amsterdam,University of Amsterdam4 aut
700a Tagger, M.4 aut
700a Tang, Y.u Netherlands Institute for Radio Astronomy (ASTRON)4 aut
700a Tasse, C.u Observatoire de Paris-Meudon4 aut
700a Thoudam, Satyendrau Radboud Universiteit,Radboud University,Radboud University Nijmegen, The Netherlands4 aut0 (Swepub:lnu)sathaa
700a Thoudam, Satyendrau Radboud University Nijmegen, The Netherlands4 aut0 (Swepub:lnu)sathaa
700a Toribio, C.u Netherlands Institute for Radio Astronomy (ASTRON)4 aut
700a van Nieuwpoort, R.u Netherlands Institute for Radio Astronomy (ASTRON),Netherlands eScience Center4 aut
700a Vermeulen, R.u Netherlands Institute for Radio Astronomy (ASTRON)4 aut
700a Vocks, C.u Leibniz-Institut Für Astrophysik Potsdam,Leibniz Institute for Astrophysics Potsdam4 aut
700a Vogt, C.u Netherlands Institute for Radio Astronomy (ASTRON)4 aut
700a Wijers, R. A. M. J.u Universiteit Van Amsterdam,University of Amsterdam4 aut
700a Wise, M. W.4 aut
700a Wucknitz, O.u Max-Planck Institut für Radioastronomie,Max-Planck Institute for Radio Astronomy,Universität Bonn,University of Bonn4 aut
700a Yatawatta, S.u Netherlands Institute for Radio Astronomy (ASTRON)4 aut
700a Zarka, P.u Open University4 aut
700a Zensus, A.4 aut
710a Netherlands Institute for Radio Astronomy (ASTRON)b Max-Planck Institut für Radioastronomie4 org
773t Monthly notices of the Royal Astronomical Societyd : Oxford University Press (OUP)g 437:4, s. 3506-3515q 437:4<3506-3515x 0035-8711x 1365-2966
856u https://academic.oup.com/mnras/article-pdf/437/4/3506/18498763/stt2158.pdf
856u http://publications.lib.chalmers.se/records/fulltext/193411/local_193411.pdfx primaryx freey FULLTEXT
8564 8u https://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-51553
8564 8u https://doi.org/10.1093/mnras/stt2158
8564 8u https://research.chalmers.se/publication/193411

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Oonk, J. B. R.
van Weeren, R. J ...
Salgado, F.
Morabito, L. K.
Tielens, A. G. G ...
Rottgering, H. J ...
visa fler...
Asgekar, A.
White, G. J.
Alexov, A.
Anderson, J.
Avruch, I. M.
Batejat, Fabien, ...
Beck, R.
Bell, M. E.
van Bemmel, I.
Bentum, M. J.
Bernardi, G.
Best, P.
Bonafede, A.
Breitling, F.
Brentjens, M.
Broderick, J.
Brüggen, M.
Butcher, H. R.
Ciardi, B.
Conway, John, 19 ...
Corstanje, A.
de Gasperin, F.
de Geus, E.
de Vos, M.
Duscha, S.
Eislöffel, J.
Engels, D.
van Enst, J.
Falcke, H.
Fallows, R. A.
Fender, R.
Ferrari, C.
Frieswijk, W.
Garrett, M. A.
Grießmeier, J.
Hamaker, J. P.
Hassall, T. E.
Heald, G.
Hessels, J. W. T ...
Hoeft, M.
Horneffer, A.
van der Horst, A ...
Iacobelli, M.
Jackson, N. J.
Juette, E.
Karastergiou, A.
Klijn, W.
Kohler, J.
Kondratiev, V. I ...
Kramer, M.
Kuniyoshi, M.
Kuper, G.
van Leeuwen, J.
Maat, P.
Macario, G.
Mann, G.
Markoff, S.
McKean, J. P.
Mevius, M.
Miller-Jones, J. ...
Mol, J. D.
Mulcahy, D. D.
Munk, H.
Norden, M. J.
Orru, E.
Paas, H.
Pandey-Pommier, ...
Pandey, V. N.
Pizzo, R.
Polatidis, A. G.
Reich, W.
Scaife, A. M. M.
Schoenmakers, A.
Schwarz, D.
Shulevski, A.
Sluman, J.
Smirnov, O.
Sobey, C.
Stappers, B. W.
Steinmetz, M.
Swinbank, J.
Tagger, M.
Tang, Y.
Tasse, C.
Thoudam, Satyend ...
Toribio, C.
van Nieuwpoort, ...
Vermeulen, R.
Vocks, C.
Vogt, C.
Wijers, R. A. M. ...
Wise, M. W.
Wucknitz, O.
Yatawatta, S.
Zarka, P.
Zensus, A.
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