Search Results - "Audard, M"

Young Stellar Objects in the Massive Star-forming Regions W51 and W43 by Saral, G., Hora, J. L., Audard, M., Koenig, X. P., Martínez-Galarza, J. R., Motte, F., Nguyen-Luong, Q., Saygac, A. T., Smith, H. A.

“…We present the results of our investigation of the star-forming complexes W51 and W43, two of the brightest in the first Galactic quadrant. In order to…”
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APEX Observations of the CO Envelope around the Young FUor-type Star V883 Ori by White, J. A., Kóspál, Á., Rab, C., Ábrahám, P., de Miera, F. Cruz-Sáenz, Csengeri, T., Fehér, O., Güsten, R., Henning, T., Vorobyov, E., Audard, M., Postel, A.

“…The accretion-driven outbursts of young FU Orionis-type stars may be a common stage of pre-main-sequence evolution and can have a significant impact on the…”
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The close classical T Tauri binary V4046 Sgr: complex magnetic fields and distributed mass accretion by Donati, J.-F., Gregory, S. G., Montmerle, T., Maggio, A., Argiroffi, C., Sacco, G., Hussain, G., Kastner, J., Alencar, S. H. P., Audard, M., Bouvier, J., Damiani, F., Güdel, M., Huenemoerder, D., Wade, G. A.

“…We report here the first results of a multi-wavelength campaign focusing on magnetospheric accretion processes within the close binary system V4046 Sgr,…”
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THE CLOSE T TAURI BINARY SYSTEM V4046 Sgr: ROTATIONALLY MODULATED X-RAY EMISSION FROM ACCRETION SHOCKS by ARGIROFFI, C, MAGGIO, A, GÜDEL, M, HUSSAIN, G. A. J, KASTNER, J. H, SACCO, G. G, MONTMERLE, T, HUENEMOERDER, D. P, ALECIAN, E, AUDARD, M, BOUVIER, J, DAMIANI, F, DONATI, J.-F, GREGORY, S. G

“…We report initial results from a quasi-simultaneous X-ray/optical observing campaign targeting V4046 Sgr, a close, synchronous-rotating classical T Tauri star…”
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Evidence for an X-Ray Jet in DG Tauri A? by Güdel, M, Skinner, S. L, Briggs, K. R, Audard, M, Arzner, K, Telleschi, A

“…We present evidence for an X-ray jet in the T Tauri star DG Tau A based on Chandra ACIS data. DG Tau A, a jet-driving classical T Tauri star with a flat…”
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Investigations of stellar coronae with XMM-Newton by Audard, M.

“…The XMM-Newton observatory has given a strong new impetus to the investigations of stellar coronae. It carries high-resolution X-ray spectroscopic instruments…”
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HDE 245059: A Weak-Lined T Tauri Binary Revealed by Chandra and Keck by Baldovin-Saavedra, C, Audard, M, Duchêne, G, Güdel, M, Skinner, S.L, Paerels, F. B. S, Ghez, A, McCabe, C

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X-Ray Spectral Variability during an Outburst in V1118 Ori by Audard, M, Güdel, M, Skinner, S. L, Briggs, K. R, Walter, F. M, Stringfellow, G, Hamilton, R. T, Guinan, E. F

“…We present results from a multiwavelength campaign to monitor the 2005 outburst of the low-mass young star V1118 Ori. Although our campaign covers the X-ray,…”
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The magnetosphere of the close accreting PMS binary V4046 Sgr by Gregory, S. G., Holzwarth, V. R., Donati, J.-F., Hussain, G. A. J., Montmerle, T., Alecian, E., Alencar, S. H. P., Argiroffi, C., Audard, M., Bouvier, J., Damiani, F., Güdel, M., Huenemoerder, D. P., Kastner, J. H., Maggio, A., Sacco, G. G., Wade, G. A.

“…V4046 Sagittarii AB is a close short-period classical T Tauri binary. It is a circularised and synchronised system accreting from a circumbinary disk. In 2009…”
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A Deep Look at the T-Type Brown Dwarf Binary ε Indi Bab with Chandra and the Australia Telescope Compact Array by Audard, M., Brown, A., Briggs, K. R., Güdel, M., Telleschi, A., Gizis, J. E.

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An XMM-Newton observation of the flare star AU MIC by Magee, H.R.M., Güdel, M., Audard, M., Mewe, R.

“…Preliminary results from an XMM- Newton observation of the active flare star AU Mic are presented. During the observation six flares were observed, along with…”
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Evolution of the Solar Activity over Time and Effects on Planetary Atmospheres. I. High-Energy Irradiances (1-1700 Å) by Ribas, Ignasi, Guinan, Edward F, Güdel, Manuel, Audard, Marc

“…We report on the results of the Sun in Time multiwavelength program (X-rays to UV) of solar analogs with ages covering 60.1-7 Gyr. The chief science goals are…”
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Coronal densities and temperatures for cool stars in different stages of activity by Ness, J.-U., Audard, M., Schmitt, J.H.M.M., Güdel, M.

“…With the advent of the new X-ray missions Chandra and XMM-Newton, high-resolution spectroscopy has become available for studies of stellar coronae. Individual…”
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Mid-infrared observations of O-type stars: spectral morphology by Marcolino, W. L. F., Bouret, J.-C., Lanz, T., Maia, D. S., Audard, M.

“…Abstract We present mid-infrared (mid-IR) observations for a sample of 16 O-type stars. The data were acquired with the NASA Spitzer Space Telescope, using the…”
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Gaia Data Release 2: Rotational modulation in late-type dwarfs by Lanzafame, A. C, Distefano, E, Messina, S, Pagano, I, Lanza, A. F, Eyer, L, Guy, L. P, Rimoldini, L, Lecoeur-Taibi, I, Holl, B, de Fombelle, M. Audard G. J, Nienartowicz, K, Marchal, O, Mowlavi, N

“…A&A 616, A16 (2018) We present the methods devised to identify the BY Dra variables candidates in Gaia DR2 and infer their variability parameters. BY Dra…”
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AD Leonis, (dM3:l5V): Analysis of the x-ray spectrum by van den Besselaar, E.J.M., Raassen, A.J.J., Mewe, R., van der Meer, R.L.J., Güdel, M., Audard, M.

“…We report the analysis of the X-ray spectrum of AD Leo (dM3.5 V), observed by RGS and EPIC-MOS on board XMM-Newton and by LETGS on board Chandra. From the…”
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Coronal Evolution of the Sun in Time: High-Resolution X-Ray Spectroscopy of Solar Analogs with Different Ages by Telleschi, Alessandra, Güdel, Manuel, Briggs, Kevin, Audard, Marc, Ness, Jan-Uwe, Skinner, Stephen L

“…We investigate the long-term evolution of X-ray coronae of solar analogs based on high-resolution X-ray spectroscopy and photometry with XMM-Newton. Six nearby…”
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Are Coronae of Magnetically Active Stars Heated by Flares? II. Extreme Ultraviolet and X-Ray Flare Statistics and the Differential Emission Measure Distribution by Güdel, Manuel, Audard, Marc, Kashyap, Vinay L, Drake, Jeremy J, Guinan, Edward F

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Preface by Bozzo, E., Kretschmar, P., Audard, M., Falanga, M., Ferrigno, C.

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Flare Heating in Stellar Coronae by Kashyap, Vinay L, Drake, Jeremy J, Güdel, Manuel, Audard, Marc

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