Search Results - "Chene, N."

A SYSTEMATIC SEARCH FOR COROTATING INTERACTION REGIONS IN APPARENTLY SINGLE GALACTIC WOLF-RAYET STARS. II. A GLOBAL VIEW OF THE WIND VARIABILITY by CHENE, A.-N, ST-LOUIS, N

“…This study is the second part of a survey searching for large-scale spectroscopic variability in apparently single Wolf-Rayet (WR) stars. In a previous paper…”
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A massive open cluster hiding in full sight by Negueruela, I, Chené, A-N, Tabernero, H M, Dorda, R, Borissova, J, Marco, A, Kurtev, R

“…ABSTRACT Obscuration and confusion conspire to limit our knowledge of the inner Milky Way. Even at moderate distances, the identification of stellar systems…”
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Modelling variable linear polarization produced by Co-rotating Interaction Regions (CIRs) across optical recombination lines of Wolf–Rayet stars by Ignace, R, Bjorkman, J E, Chené, A-N, Erba, C, Fabiani, L, Moffat, A F J, Sincennes, R, St-Louis, N

“…ABSTRACT Massive star winds are structured both stochastically (‘clumps’) and often coherently (Co-rotation Interaction Regions, or CIRs). Evidence for CIRs…”
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The VVV open cluster project – II. Near-infrared sequences of 37 open clusters on eight-dimensional parameter space by Peña Ramírez, K, Smith, L C, Ramírez Alegría, S, Chené, A-N, González-Fernández, C, Lucas, P W, Minniti, D

“…ABSTRACT Open clusters are key coeval structures that help us understand star formation, stellar evolution and trace the physical properties of our Galaxy. In…”
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Large-scale Periodic Variability of the Wind of the Wolf-Rayet Star WR 1 (HD 4004) by Chene, A-N, St-Louis, N

“…We present the results of an intensive photometric and spectroscopic monitoring campaign of the WN4 Wolf-Rayet (WR) star WR 1 = HD 4004. Our broadband V…”
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Metallicity Variations in the Type II Globular Cluster NGC 6934 by Marino, A. F., Yong, D., Milone, A. P., Piotto, G., Lundquist, M., Bedin, L. R., Chené, A.-N., Costa, G. Da, Asplund, M., Jerjen, H.

“…Abstract The Hubble Space Telescope photometric survey of Galactic globular clusters (GCs) has revealed a peculiar “chromosome map” for NGC 6934. In addition…”
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The very massive binary NGC 3603-A1 by Schnurr, O., Casoli, J., Chené, A.-N., Moffat, A. F. J., St-Louis, N.

“…Using Very Large Telescope/Spectrograph for INtegral Field Observation in the Near-Infrared (VLT/SINFONI), we have obtained repeated adaptive-optics assisted,…”
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Analysis of physical processes in eruptive YSOs with near-infrared spectra and multiwavelength light curves by Guo (郭震), Zhen, Lucas, P W, Contreras Peña, C, Smith, L C, Morris, C, Kurtev, R G, Borissova, J, Alonso-García, J, Minniti, D, Chené, A-N, Kumar, M S N, Caratti o Garatti, A, Froebrich, D, Stimson, W H

“…ABSTRACT The decade-long Vista Variables in the Via Lactea (VVV) survey has detected numerous highly variable young stellar objects (YSOs). We present a study…”
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IRAS 18153−1651: an H ii region with a possible wind bubble blown by a young main-sequence B star by Gvaramadze, V V, Mackey, J, Kniazev, A Y, Langer, N, Chene, A-N, Castro, N, Haworth, T J, Grebel, E K

“…We report the results of spectroscopic observations and numerical modelling of the Hii region IRAS 18153-1651. Our study was motivated by the discovery of an…”
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Two massive stars possibly ejected from NGC 3603 via a three-body encounter by Gvaramadze, V. V., Kniazev, A. Y., Chené, A.-N., Schnurr, O.

“…We report the discovery of a bow-shock-producing star in the vicinity of the young massive star cluster NGC 3603 using archival data of the Spitzer Space…”
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New Galactic star clusters discovered in the disc area of the VVVX survey by Borissova, J, Ivanov, V D, Lucas, P W, Kurtev, R, Alonso-Garcia, J, Ramírez Alegría, S, Minniti, D, Froebrich, D, Hempel, M, Medina, N, Chené, A-N, Kuhn, M A

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WR 110: A Single Wolf-Rayet Star with Corotating Interaction Regions in its Wind? by Chené, A.-N, Moffat, A. F. J, Cameron, C, Fahed, R, Gamen, R. C, Lefèvre, L, Rowe, J. F, St-louis, N, Muntean, V, Chevrotière, A. De La, Guenther, D. B, Kuschnig, R, Matthews, J. M, Rucinski, S. M, Sasselov, D, Weiss, W. W

“…A 30 day contiguous photometric run with the Microvariability and Oscillations of STars (MOST) satellite on the WN5-6b star WR 110 (HD 165688) reveals a…”
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The spectral variability of a sample of WC 9 stars on time-scales of days to weeks by Desforges, S, St-Louis, N, Chene, A-N, de la Chevrotiere, A, Henault-Brunet, V

“…We present the results of a spectroscopic monitoring campaign of nine presumably single Wolf-Rayet (WR) stars, eight of type WC 9 and one WC 8d. We…”
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Small-scale star formation as revealed by VVVX galactic cluster candidates by Borissova, J, Kurtev, R, Amarinho, N, Alonso-García, J, Ramírez Alegría, S, Bernal, S, Medina, N, Chené, A-N, Ivanov, V D, Lucas, P W, Minniti, D

“…ABSTRACT We report a search and analysis of obscured cluster candidates in the ‘VISTA Variables in the Via Lactea eXtended (VVVX)’ ESO Public Survey area…”
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VLT/SINFONI time-resolved spectroscopy of the central, luminous, H-rich WN stars of R136 by Schnurr, O., Chené, A.-N., Casoli, J., Moffat, A. F. J., St-Louis, N.

“…Using the Very Large Telescope's Spectrograph for INtegral Field Observation in the Near-Infrared, we have obtained repeated adaptive-optics-assisted,…”
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Discovery of a new Wolf–Rayet star and a candidate star cluster in the Large Magellanic Cloud with Spitzer by Gvaramadze, V. V., Chené, A.-N., Kniazev, A. Y., Schnurr, O., Shenar, T., Sander, A., Hainich, R., Langer, N., Hamann, W.-R., Chu, Y.-H., Gruendl, R. A.

“…We report the first-ever discovery of a Wolf–Rayet (WR) star in the Large Magellanic Cloud via detection of a circular shell with the Spitzer Space Telescope…”
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Properties of massive stars in four clusters of the VVV survey by Hervé, A., Martins, F., Chené, A.-N., Bouret, J.-C., Borissova, J.

“…•We present an analysis of massive stars in four of VVV clusters.•Determination of stellar parameters and surface abundances of the stars.•Confirmation that WC…”
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Recent developments and potentialities for reducing embryo mortality in ruminants: the role of IFN-tau and other cytokines in early pregnancy by Martal, J, Chêne, N, Camous, S, Huynh, L, Lantier, F, Hermier, P, L'Haridon, R, Charpigny, G, Charlier, M, Chaouat, G

“…This review considers the potential reduction of embryo mortality in vitro and in vivo in ruminants. Data on cytokines provided by different fields of…”
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Spectroscopic study of the short-period WN5o + O8.5V binary system WR127 (HD 186943) by de la Chevrotière, A., Moffat, A. F. J., Chené, A.-N.

“…Combined with previous information (orbital period P= 9.5550 d and inclination ), new optical spectroscopic data lead to improved circular orbits for this WR +…”
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MOST Finds No Coherent Oscillations in the Hot Carbon-rich Wolf-Rayet Star HD 165763 (WR 111) by Moffat, A. F. J, Marchenko, S. V, Zhilyaev, B. E, Rowe, J. F, Muntean, V, Chené, A.-N, Matthews, J. M, Kuschnig, R, Guenther, D. B, Rucinski, S. M, Sasselov, D, Walker, G. A. H, Weiss, W. W

“…We have photometrically monitored the V = 8 mag Galactic Population I WC5 star WR 111 for 3 weeks nonstop using the MOST microsatellite. Each of the similar to…”
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