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Abstract:

Context. Hen 3-1341 is a symbiotic binary system consisting of a white dwarf and a red giant star that is one of about ten symbiotics that show hints of jets. The bipolar jets have been detected through displaced components of emission lines during its outburst from 1998 to 2004. These components disappeared when Hen 3-1341 reached quiescence. On February 23, 2012, Hen 3-1341 started a new outburst with the emergence of new bipolar jets on March 3, 2012. Aims. We observed Hen 3-1341 during quiescence with XMM-Newton in March 2010 with an effective exposure time of 46.8 ks and with Swift on March 8-11, 2012 as ToO observations with an effective exposure time of 10 ks in order to probe the interaction of the jet with the ambient medium and also the accretion onto the white dwarf. Methods. We fitted the XMM-Newton X-ray spectra with XSPEC and examined the X-ray and UV light curves. Results. We report the detection of X-ray emission during quiescence from Hen 3-1341 with XMM-Newton. The spectrum can be fitted with an absorbed one-temperature plasma or an absorbed blackbody. We did not detect Hen 3-1341 during our short Swift exposure. Neither periodic or aperiodic X-ray nor UV variability were found. Conclusions. Our XMM-Newton data suggest that interaction of the residual jet with the interstellar medium might survive for a long time after outbursts and might be responsible for the observed X-ray emission during quiescence. Additional data are strongly needed to confirm these suggestions. © 2013 ESO.

Registro:

Documento: Artículo
Título:Detection of X-rays from the jet-driving symbiotic star Hen 3-1341
Autor:Stute, M.; Luna, G.J.M.; Pillitteri, I.F.; Sokoloski, J.L.
Filiación:Institute for Astronomy and Astrophysics, Section Computational Physics, Eberhard Karls Universität Tübingen, Auf der Morgenstelle 10, 72076 Tübingen, Germany
Instituto de Astronomía y Física Del Espacio (CONICET-UBA), Ciudad Autónoma de Buenos Aires, Casilla de Correo 67, Suc. 28 (C1428ZAA), Argentina
Harvard-Smithsonian Center for Astrophysics, MS 15, 60 Garden St., Cambridge, MA 02138, United States
Columbia Astrophysics Laboratory, 1027 Pupin Hall, Columbia University, 550 W. 220th Street, New York, NY 10027, United States
Palabras clave:Binaries: symbiotic; ISM: jets and outflows; Stars: individual: Hen 3-1341 (V2523 Oph); White dwarfs; X-rays: stars; Binaries: symbiotic; ISM: jets and out flow; Stars: individual; White dwarfs; X rays: stars; Electromagnetic wave emission; X ray scattering; X rays; Stars
Año:2013
Volumen:554
DOI: http://dx.doi.org/10.1051/0004-6361/201218998
Título revista:Astronomy and Astrophysics
Título revista abreviado:Astron. Astrophys.
ISSN:00046361
CODEN:AAEJA
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00046361_v554_n_p_Stute

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Citas:

---------- APA ----------
Stute, M., Luna, G.J.M., Pillitteri, I.F. & Sokoloski, J.L. (2013) . Detection of X-rays from the jet-driving symbiotic star Hen 3-1341. Astronomy and Astrophysics, 554.
http://dx.doi.org/10.1051/0004-6361/201218998
---------- CHICAGO ----------
Stute, M., Luna, G.J.M., Pillitteri, I.F., Sokoloski, J.L. "Detection of X-rays from the jet-driving symbiotic star Hen 3-1341" . Astronomy and Astrophysics 554 (2013).
http://dx.doi.org/10.1051/0004-6361/201218998
---------- MLA ----------
Stute, M., Luna, G.J.M., Pillitteri, I.F., Sokoloski, J.L. "Detection of X-rays from the jet-driving symbiotic star Hen 3-1341" . Astronomy and Astrophysics, vol. 554, 2013.
http://dx.doi.org/10.1051/0004-6361/201218998
---------- VANCOUVER ----------
Stute, M., Luna, G.J.M., Pillitteri, I.F., Sokoloski, J.L. Detection of X-rays from the jet-driving symbiotic star Hen 3-1341. Astron. Astrophys. 2013;554.
http://dx.doi.org/10.1051/0004-6361/201218998