A. Hatzes

Publication List Details

Period

1998 - 2009

Number

64

Co-Authors

Transit timing analysis of CoRoT-1b (2009)

Csizmadia, Sz., Renner, S., Barge, P., Agol, E., Aigrain, S., Alonso, R., ...

CoRoT, the pioneer space-based transit search, steadily provides thousands of high-precision light curves with continuous time sampling over periods of up to 5 months. The transits of a planet...

Transiting exoplanets from the CoRoT space mission: VII. The "hot-Jupiter"-type planet CoRoT-5b (2009)

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...

Transiting exoplanets from the CoRoT space mission VIII. CoRoT-7b: the first Super-Earth with measured radius (2009)

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...

Transiting exoplanets from the CoRoT space mission VIII. CoRoT-7b: the first Super-Earth with measured radius (2009)

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...

Planetary transit candidates in COROT-IRa01 field (2009)

Carpano, S., Cabrera, J., Alonso, R., Barge, P., Aigrain, S., ...

Context: CoRoT is a pioneering space mission devoted to the analysis of stellar variability and the photometric detection of extrasolar planets. Aims: We present the list of planetary transit...

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...

The secondary eclipse of the transiting exoplanet CoRoT-2b (2009)

Alonso, R., Guillot, T., Mazeh, T., Aigrain, S., Alapini, A., Barge, P., ...

We present a study of the light curve of the transiting exoplanet CoRoT-2b, aimed at detecting the secondary eclipse and measuring its depth. The data were obtained with the CoRoT satellite during...

Ground-based photometry of space-based transit detections: Photometric follow-up of the CoRoT mission (2009)

Deeg, H J, Gillon, Michaël, Shporer, A, Rouan, D, Stecklum, B, Aigrain, S, ...

The motivation, techniques and performance of the ground-based photometric follow-up of transit detections by the CoRoT space mission are presented. Its principal raison d’être arises from the...

Transiting exoplanets from the CoRoT space mission . VI. CoRoT-Exo-3b: the first secure inhabitant of the brown-dwarf desert (2008)

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...

Oscillating red giants in the CoRoT exo-field: Asteroseismic mass and radius determination (2008)

Kallinger, T., Weiss, W. W., Barban, C., Baudin, F., Carrier, F., De Ridder, J., ...

Context. Observations and analysis of solar-type oscillations in red giant stars is an infant field of asteroseismic research with a number of open questions. Although stochastic oscillations have...

Solar-like oscillations in red giants in the CoRoT exo-field (2008)

Hekker, S., Barban, C., Kallinger, T., Weiss, W., De Ridder, J., Hatzes, A., ...

Asteroseismic observations from space can provide us with long time series of uninterrupted high quality data for many stars at the same time. The CoRoT satellite (Convection Rotation and planetary...

Transiting exoplanets from the CoRoT space mission. V. CoRoT-Exo-4b: stellar and planetary parameters (2008)

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...

Transiting exoplanets from the CoRoT space mission. IV. CoRoT-Exo-4b: a transiting planet in a 9.2 day synchronous orbit (2008)

Aigrain, S, Collier Cameron, A, Ollivier, M, Pont, F, Jorda, L, Almenara, J M, ...

CoRoT, the first space-based transit search, provides ultra-high-precision light curves with continuous time-sampling over periods of up to 5 months. This allows the detection of transiting planets...

Transiting exoplanets from the CoRoT space mission IV: CoRoT-Exo-4b: A transiting planet in a 9.2 day synchronous orbit (2008)

Aigrain, S., Cameron, A. Collier, Ollivier, M., Pont, F., Jorda, L., Almenara, J. M., ...

CoRoT, the first space-based transit search, provides ultra-high precision light curves with continuous time-sampling over periods, of up to 5 months. This allows the detection of transiting planets...

Transiting exoplanets from the CoRoT space mission. II. CoRoT-Exo-2b: a transiting planet around an active G star (2008)

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...

Transiting exoplanets from the CoRoT space mission I - CoRoT-Exo-1b: a low-density short-period planet around a G0V star (2008)

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...

Transiting exoplanets from the CoRoT space mission II. CoRoT-Exo-2b: A transiting planet around an active G star (2008)

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...

Testing planet formation theories with Giant stars (2008)

Pasquini, Luca, Doellinger, M. P., Hatzes, A., Setiawan, J., Girardi, L., Da Silva, L., ...

Planet searches around evolved giant stars are bringing new insights to planet formation theories by virtue of the broader stellar mass range of the host stars compared to the solar-type stars that...

Near-infrared fiber imager for the VLTI (2008)

Neuhäuser, R., Tünnermann, A., Hempel, M., Stecklum, B., Guenther, E., ...

For detection of massive close-in exo-planets around other stars, a contrast of ~ 0.3 % is sufficient and can be achieved with state-of-the-art single-mode fibers as spatial filter. For lower-mass...

Transiting exoplanets from the CoRoT space mission: III. The spectroscopic transit of CoRoT-Exo-2b with SOPHIE and HARPS (2008)

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...

Transiting exoplanets from the CoRoT space mission: II. CoRoT-Exo-2b: A transiting planet around an active G star (2008)

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...

Testing planet formation theories with giant stars (2008)

Pasquini, Luca, Döllinger, M. P., Hatzes, A., Setiawan, J., Girardi, L., Da Silva, L., ...

Planet searches around evolved giant stars are bringing new insights to planet formation theories by virtue of the broader stellar mass range of the host stars compared to the solar-type stars that...

Basic physical parameters of a selected sample of evolved stars (2006)

Da Silva, L., Girardi, L., Pasquini, L., Setiawan, J., De Medeiros, J. R., ...

We present the detailed spectroscopic analysis of 72 evolved stars, including the [Fe/H] determination for the whole sample. These metallicities, together with the Teff values and the absolute V...

Radial velocity variations of G and K giants (2006)

Döellinger, M. P., Pasquini, L., Hatzes, A., Weiss, A., Setiawan, J., Da Silva, L., ...

G and K giants are a new class of radial velocity (RV) variables. In order to reveal the reasons of this variability we started in February 2004 a program to observe a northern sample of 62 K giants...

Basic physical parameters of a selected sample of evolved stars (2006)

Da Silva, L., Girardi, L., Pasquini, L., Setiawan, J., De Medeiros, J. R., ...

We present the detailed spectroscopic analysis of 72 evolved stars, which were previously studied for accurate radial velocity variations. Using one Hyades giant and another well studied star as the...

GAUDI: a preparatory archive for the COROT mission (2005)

Solano, E., Catala, C., Garrido, R., Poretti, E., Janot-Pacheco, E., Gutierrez, R., ...

The GAUDI database (Ground-based Asteroseismology Uniform Database Interface, http://sdc.laeff.esa.es/gaudi/) is a preparatory archive for the COROT (COnvection, ROtation and planetary Transits,...

Spectral synthesis analysis and radial velocity study of the northern F-, G-, and K-type flare-stars (2005)

König, B., Guenther, E. W., Esposito, M., Hatzes, A.

In this publication we present a study of the general physical, chemical properties and radial velocity monitoring of young active stars. We derive temperatures, log g, [Fe/H], v sin i, and R_{spec}...

GAUDI: a preparatory archive for the COROT mission (2004)

Solano, E., Catala, C., Garrido, R., Poretti, E., Janot-Pacheco, E., Gutierrez, R., ...

The GAUDI database (Ground-based Asteroseismology Uniform Database Interface, http://sdc.laeff.esa.es/gaudi/) is a preparatory archive for the COROT (COnvection, ROtation and planetary Transits,...

Lithium and its isotopic ratio 6Li/7Li in the atmospheres of some sharp-lined roAp star (2004)

Shavrina, A., Polosukhina, N., Khan, S., Pavlenko, Ya., Khalack, V., Wade, G. A., ...

The lines of lithium at 6708 A, and 6103 A, are analyzed in high resolution spectra of some sharp-lined and slowly rotating roAp stars. Three spectral synthesis codes - STARSP, ZEEMAN2 and SYNTHM...

Multi-Site observations of SU Aurigae (2004)

Unruh, Y. C., Oliveira, J. M., Cameron, A. Collier, Catala, C., Henrichs, H. F., ...

We present results from the 1996 MUSICOS (MUlti-SIte COntinuous Spectroscopy) campaign on the T Tauri star SU Aurigae. We find a 2.7-d periodicity in the He I (587.6 nm) line and somewhat longer,...

CHEOPS/ZIMPOL: a VLT instrument study for the polarimetric search of scattered light from extrasolar planets (2004)

Gisler, D., Schmid, H.M., Thalmann, C., Povel, H.P., Stenflo, J.O., Joos, F., ...

We present results from a phase A study supported by ESO for a VLT instrument for the search and investigation of extrasolar planets. The envisaged CHEOPS (CHaracterizing Extrasolar planets by...

GAUDI: a preparatory archive for the COROT mission (2004)

Solano, E., Catala, C., Garrido, R., Poretti, E., Janot-Pacheco, E., Gutierrez, R., ...

The GAUDI database (Ground-based Asteroseismology Uniform Database Interface, http://sdc.laeff.esa.es/gaudi/) is a preparatory archive for the COROT (COnvection, ROtation and planetary Transits,...

GAUDI: a preparatory archive for the COROT mission (2004)

Solano, E., Catala, C., Garrido, R., Poretti, E., Janot-Pacheco, E., Gutierrez, R., ...

The GAUDI database (Ground-based Asteroseismology Uniform Database Interface, http://sdc.laeff.esa.es/gaudi/) is a preparatory archive for the COROT (COnvection, ROtation and planetary Transits,...

Precise radial velocity measurements of G and K giants. First results (2003)

Setiawan, J., Pasquini, L., Da Silva, L., Hatzes, A.

We present the first results of our precise radial velocity (RV) measurements of G and K giants. A number of stars from our list of 80 targets have been observed for 14 months using the fibre-fed...

Berlin Exoplanet Search Telescope (2001)

Rauer, H., Erikson, A., Voss, H., Hatzes, A., Eislöffel, J.

BEST (Berlin Exoplanet Search Telescope) is a simple but robust ground-based photometric observation system with the scope to detect exoplanet transit events of Jupiter sized objects. A 20-cm...