Surface structure of the CoRoT CP2 target star HD 50773 (2009)
Lüftinger, T., Weiss, W., Petit, P., Aurière, M., Nesvacil, N., ...
We compare surface maps of the chemically peculiar star HD 50773 produced with a Bayesian technique and based on high quality CoRoT photometry with those derived from rotation phase resolved...
Poretti, E., Mantegazza, L., Rainer, M., Uytterhoeven, K., Michel, E., Baglin, A., ...
It has been suggested that the detection of a wealth of very low amplitude modes in Delta Sct stars was only a matter of signal--to--noise ratio. Access to this treasure, impossible from the ground,...
HD 174884: a strongly eccentric, short-period early-type binary system discovered by CoRoT (2009)
Maceroni, C., Montalban, J., Michel, E., Harmanec, P., Prsa, A., Briquet, M., ...
Accurate photometric CoRoT space observations of a secondary seismological target, HD 174884, led to the discovery that this star is an astrophysically important double-lined eclipsing spectroscopic...
A fresh look at the seismic spectrum of HD49933: analysis of 180 days of CoRoT photometry (2009)
Benomar, O., Baudin, F., Campante, T. L., Chaplin, W. J., García, R. A., Gaulme, P., ...
Solar-like oscillations have now been observed in several stars, thanks to ground-based spectroscopic observations and space-borne photometry. CoRoT, which has been in orbit since December 2006, has...
HD 51106 and HD 50747: an ellipsoidal binary and a triple system observed with CoRoT (2009)
Dolez, N., Vauclair, S., Michel, E., Hua, A. Hui Bon, Vauclair, G., Contel, D. Le, ...
We present an analysis of the observations of HD 51106 and HD 50747 by the satellite CoRoT, obtained during its initial run, and of the spectroscopic preparatory observations. AIMS: We complete an...
Rauer, H., Queloz, D., Csizmadia, Sz., Deleuil, M., Alonso, R., Aigrain, S., ...
Aims. The CoRoT space mission continues to photometrically monitor about 12 000 stars in its field-of-view for a series of target fields to search for transiting extrasolar planets ever since 2007....
The spin-orbit angle of the transiting hot jupiter CoRoT-1b (2009)
Pont, F., Endl, M., Cochran, W. D., Barnes, S. I., Sneden, C., MacQueen, P. J., ...
We measure the angle between the planetary orbit and the stellar rotation axis in the transiting planetary system CoRoT-1, with new HIRES/Keck and FORS/VLT high-accuracy photometry. The data indicate...
Asteroseismic analysis of the CoRoT \delta-Scuti star HD174936 (2009)
Hernández, A. García, Moya, A., Michel, E., Garrido, R., Suárez, J. C., Rodríguez, E., ...
We present an analysis of the \delta-Scuti star object HD 174936 (ID 7613) observed by CoRoT during the first short run SRc01 (27 days). A total number of 422 frequencies we are extracted from the...
The CoRoT target HD175726: an active star with weak solar-like oscillations (2009)
Mosser, B., Michel, E., Appourchaux, T., Barban, C., Baudin, F., Boumier, P., ...
Context. The CoRoT short runs give us the opportunity to observe a large variety of late-type stars through their solar-like oscillations. We report observations of the star HD175726 that lasted for...
Short-lived spots in solar-like stars as observed by CoRoT (2009)
Mosser, B., Baudin, F., Lanza, A. F., Hulot, J. C., Catala, C., Baglin, A., ...
Context. CoRoT light curves have an unprecedented photometric quality, having simultaneously a high signal-to-noise ratio, a long time span and a nearly continuous duty-cycle. Aims. We analyse the...
Probing populations of red giants in the galactic disk with CoRoT (2009)
Miglio, A., Montalban, J., Baudin, F., Eggenberger, P., Noels, A., Hekker, S., ...
The detection with CoRoT of solar-like oscillations in nearly 800 red giants in the first 150-days long observational run paves the way for detailed studies of populations of galactic-disk red...
Leger, A., Rouan, D., Schneider, J., Barge, P., Fridlund, M., Samuel, B., ...
We report the discovery of very shallow (DF/F = 3.4 10-4), periodic dips in the light curve of an active V = 11.7 G9V star observed by the CoRoT satellite, which we interpret as due to the presence...
Leger, A, Rouan, D, Schneider, J, Barge, P, Fridlund, M, Samuel, B, ...
We report the discovery of very shallow (DF/F = 3.4 10-4), periodic dips in the light curve of an active V = 11.7 G9V star observed by the CoRoT satellite, which we interpret as due to the presence...
The secondary eclipse of CoRoT-1b (2009)
Alonso, R., Alapini, A., Aigrain, S., Auvergne, M., Baglin, A., Barbieri, M., ...
The transiting planet CoRoT-1b is thought to belong to the pM-class of planets, in which the thermal emission dominates in the optical wavelengths. We present a detection of its secondary eclipse in...
Solar-like oscillations with low amplitude in the CoRoT target HD 181906 (2009)
Garcia, R. A., Regulo, C., Samadi, R., Ballot, J., Barban, C., Benomar, O., ...
Context: The F8 star HD 181906 (effective temperature ~6300K) was observed for 156 days by the CoRoT satellite during the first long run in the centre direction. Analysis of the data reveals a...
Hekker, S., Kallinger, T., Baudin, F., De Ridder, J., Barban, C., Carrier, F., ...
Observations during the first long run (~150 days) in the exo-planet field of CoRoT increase the number of G-K giant stars for which solar-like oscillations are observed by a factor of 100. This...
Degroote, P., Briquet, M., Catala, C., Uytterhoeven, K., Lefever, K., Morel, T., ...
We present the CoRoT light curve of the Beta Cep star HD 180642, assembled during the first long run of the space mission, as well as archival single-band photometry. Our goal is to analyse the...
Solar-like oscillations in a massive star (2009)
Belkacem, K., Samadi, R., Lefevre, L., Baudin, F., Deheuvels, S., ...
Seismology of stars provides insight into the physical mechanisms taking place in their interior, with modes of oscillation probing different layers. Low-amplitude acoustic oscillations excited by...
HD 50844: the new look of Delta Sct stars from CoRoT space photometry (2009)
Poretti, E., Michel, E., Garrido, R., Lefevre, L., Mantegazza, L., Rainer, M., ...
It has also been suggested that the detection of a wealth of very low amplitude modes in Delta Sct stars was only a matter of signal--to--noise ratio. Access to this treasure, impossible from the...
Looking for pulsations in HgMn stars through CoRoT lightcurves (2009)
Alecian, G., Gebran, M., Auvergne, M., Richard, O., Samadi, R., Weiss, W. W., ...
HgMn Chemically Peculiar stars are among the quietest stars of the main-sequence. However, according to theoretical predictions, these stars could have pulsations related to the very strong...
Photospheric activity and rotation of the planet-hosting star CoRoT-Exo-4a (2009)
Lanza, A. F., Aigrain, S., Messina, S., Leto, G., Pagano, I., Auvergne, M., ...
The space experiment CoRoT has recently detected a transiting hot Jupiter in orbit around a moderately active F-type main-sequence star (CoRoT-Exo-4a). This planetary system is of particular interest...
CoRoT measures solar-like oscillations and granulation in stars hotter than the Sun (2008)
Michel, E., Baglin, A., Auvergne, M., Catala, C., Samadi, R.
Oscillations of the Sun have been used to understand its interior structure. The extension of similar studies to more distant stars has raised many difficulties despite the strong efforts of the...
Deleuil, M, Deeg, H J, Alonso, R, Bouchy, F, Rouan, D, Auvergne, M, ...
Context: The CoRoT space mission routinely provides high-precision photometric measurements of thousands of stars that have been continuously observed for months. Aims: The discovery and...
The seismology programme of CoRoT (2008)
Michel, E., Baglin, A., Auvergne, M., Catala, C.
We introduce the main lines and specificities of the CoRoT Seismology Core Programme. The development and consolidation of this programme has been made in the framework of the CoRoT Seismology...
Lanza, A. F., Pagano, I., Leto, G., Messina, S., Aigrain, S., Alonso, R., ...
The space experiment CoRoT has recently detected transits by a hot Jupiter across the disc of an active G7V star (CoRoT-Exo-2a) that can be considered as a good proxy for the Sun at an age of...
CoRoT and stellar activity: preliminary results from the modelling of CoRoT-Exo-2a (2008)
Lanza, A. F., Pagano, I., Leto, G., Messina, S., Barge, P., Baglin, A.
We present a preliminary analysis of the photospheric activity of CoRoT-Exo-2a, a young G7V star accompanied by a transiting hot Jupiter recently discovered by CoRoT. We apply spot modelling...
Moutou, C, Bruntt, H, Guillot, T, Shporer, A, Guenther, E, Aigrain, S, ...
Aims. The CoRoT satellite has announced its fourth transiting planet (Aigrain et al. 2008, A&A, 488, L43) with space photometry. We describe and analyse complementary observations of this system...
The CoRoT Evolution and Seismic Tools Activity: Goals and Tasks (2008)
Lebreton, Y., Montalban, J., Moya, A., Baglin, A., Christensen-Dalsgaard, J., ...
The forthcoming data expected from space missions such as CoRoT require the capacity of the available tools to provide accurate models whose numerical precision is well above the expected...
Alonso, R, Auvergne, M, Baglin, A, Ollivier, M, Moutou, C, Rouan, D, ...
Context: The CoRoT mission, a pioneer in exoplanet searches from space, has completed its first 150 days of continuous observations of ~12 000 stars in the galactic plane. An analysis of the raw data...
Barge, P., Baglin, A., Auvergne, M., Rauer, H., Leger, A., Schneider, J., ...
Context. The pioneer space mission for photometric planet searches, CoRoT, steadily monitors about 12,000 stars in each of its fields of view; it is able to detect transit candidates early in the...
Alonso, R., Auvergne, M., Baglin, A., Ollivier, M., Moutou, C., Rouan, D., ...
Context. The CoRoT mission, a pioneer in exoplanet searches from space, has completed its first 150 days of continuous observations of ~12000 stars in the galactic plane. An analysis of the raw data...
Bouchy, F., Queloz, D., Deleuil, M., Loeillet, B., Hatzes, A. P., Aigrain, S., ...
We report on the spectroscopic transit of the massive hot-Jupiter CoRoT-Exo-2b observed with the high-precision spectrographs SOPHIE and HARPS. By modeling the radial velocity anomaly occurring...
Bouchy, F., Queloz, D., Deleuil, M., Loeillet, B., Hatzes, A., Aigrain, S., ...
We report on the spectroscopic transit of the massive hot-Jupiter CoRoT-Exo-2b observed with the high-precision spectrographs SOPHIE and HARPS. By modeling the radial velocity anomaly occurring...
Alonso, R., Auvergne, M., Baglin, A., Ollivier, M., Moutou, C., Rouan, D., ...
Context. The CoRoT mission, a pioneer in exoplanet searches from space, has completed its first 150 days of continuous observations of ~12 000 stars in the galactic plane. An analysis of the raw data...
Moutou, C, Bruntt, H, Guillot, T, Shporer, A, Günther, E, Aigrain, S, ...
CoRoT sounds the stars: p-mode parameters of Sun-like oscillations on HD 49933 (2008)
Appourchaux, T., Michel, E., Auvergne, M., Baglin, A., Toutain, T., Baudin, F., ...
Deleuil, M, Deeg, H, Alonso, R, Bouchy, F, Rouan, D, Auvergne, M, ...
Asteroseismology and Interferometry (2007)
Cunha, M. S., Aerts, C., Christensen-Dalsgaard, J., Baglin, A., Bigot, L., Brown, T. M., ...
Asteroseismology provides us with a unique opportunity to improve our understanding of stellar structure and evolution. Recent developments, including the first systematic studies of solar-like...
Starting the first transit survey from space with the CoRoT satellite (2007)
Barge, P., Alonso, R., Deleuil, M., Moutou, C., Deeg, H., Erikson, Anders, ...
The CoRoT exoplanet programme: exploring the gas-giant/terrestrial planet transition (2007)
Aigrain, S., Barge, P., Deleuil, M., Fressin, F., Moutou, C., Queloz, D., ...
CoRoT, which was launched successfully on the 27th of December 2006, is the first space mission to have the search for planetary transits at the heart of its science programme. It is expected to be...
Report on the CoRoT Evolution and Seismic Tools Activity (2006)
Lebreton, Y., Montalban, J., Christensen-Dalsgaard, J., Castro, M., Degl'Innocenti, S., ...
We present the work undertaken by the Evolution and Seismic Tools Activity (ESTA) team of the CoRoT Seismology Working Group. We have focused on two main tasks: Task 1 - now finished - has aimed at...
The Life of Stars and their Planets (2005)
Catala, C., Aerts, C., Aigrain, S., Antonello, E., Appourchaux, T., Auvergne, M., ...
We lack a reliable scenario for the formation and evollution of stars and their planetary systems, involving key factors such as magnetic fields and turbulence. We present the case for a mission...
The Hipparcos HR diagram of nearby stars in the metallicity range -1.0 < [Fe/H] < 0.3 (1999)
Lebreton, Y., Cayrel, R., Baglin, A., Fernandes, J.
From an initial sample of a few hundred stars selected for an Hipparcos program, a subsample of 33 objects with direct determination of their effective temperature, bolometric magnitude and [Fe/H]...
Microscopic diffusion and subdwarfs (1999)
The recent distance determinations by HIPPARCOS have allowed to locate very precisely a reasonable set of subdwarfs in the HR diagram. A detailed comparison with evolutionary models is now possible...
High risk of severe endocarditis in patients on chronic dialysis (1997)
Hanslik, T, Flahault, A, Vaillant, J, Boulard, J, Moulonguet-Doleris, L, Prinseau, J, ...
Meduri, B, Fritsch, J, Aime, F, Baglin, A, Barbagelata, M
The association of endoscopic resection with Nd:YAG laser photocoagulation was used to treat benign colorectal villous adenomas. Eight-five patients were included: 49 with surgical contraindications,...
Plasma free and sulfoconjugated catecholamines in healthy men (1982)
Prinseau, J., Ruget, G., Selz, F., Baglin, A., ...
Plasma free and sulfoconjugated catecholamines were measured 28 times in 19 healthy men who had been in a recumbent position for at least 60 min (mean ± s.e.m., pg/ml): free dopamine = 36 ± 8,...
LE PROBLÈME DES NEUTRINOS SOLAIRES (1969)
Les mesures récentes de Davis [1] donnent une limite supérieure au flux de neutrinos provenant du soleil. Cette limite supérieure est inférieure d'un facteur 2 au flux calculé à partir des...
LE PROBLÈME DES NEUTRINOS SOLAIRES (1969)
Les mesures récentes de Davis [1] donnent une limite supérieure au flux de neutrinos provenant du soleil. Cette limite supérieure est inférieure d'un facteur 2 au flux calculé à partir des...
LE PROBLÈME DES NEUTRINOS SOLAIRES (1969)
Les mesures récentes de Davis [1] donnent une limite supérieure au flux de neutrinos provenant du soleil. Cette limite supérieure est inférieure d'un facteur 2 au flux calculé à partir des...
Pharmacokinetics of atenolol in patients with terminal renal failure and influence of haemodialysis.
Flouvat, B, Decourt, S, Aubert, P, Potaux, L, Domart, M, Goupil, A, ...
1 The pharmacokinetics of atenolol, after 200 mg orally, were studied in 18 patients with terminal renal insufficiency (creatinine clearance less than 5 ml/min), of whom twelve were being treated by...
Transient ischaemic attack, infectious meningitis, or neurosarcoidosis?
Hanslik, T., Boulard, J. C., Moulonguet-Doleris, L., Prinseau, J., Baglin, A.
THE LOWER PART OF THE INSTABILITY STRIP: EVOLUTIONARY STATUS OF DELTA SCUTI STARS Y.Y. Liu
Baglin Auvergne, Y. Y. Liu, A. Baglin, M. Auvergne, E. Michel
The accurate determination of distances from Hipparcos allows to compare the position in the HR diagram of constant, known variable and chemically peculiar stars in the lower part of the instability...
Perrin Fernandes, Y. Lebreton, J. Fernandes, R. Cayrel, ...
Recent theoretical stellar models are used to discuss the helium abundance of a number of low-mass stars for which the position in the Hertzsprung-Russell diagram and the metallicity are known with...