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....
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...
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...
Deciphering Spectral Fingerprints of Habitable Extrasolar Planets (2009)
Kaltenegger, L., Selsis, F., Fridlund, M., Lammer, H., Beichman, Ch., Danchi, W., ...
In this paper we discuss how we can read a planets spectrum to assess its habitability and search for the signatures of a biosphere. After a decade rich in giant exoplanet detections, observation...
Kaltenegger, L., Eiroa, C., Ribas, I., Paresce, F., Leitzinger, M., Odert, P., ...
In this paper we present and discuss the criteria for selecting potential target stars suitable for the search for Earth like planets, with a special emphasis on the stellar aspects of habitability....
Darwin —- a mission to detect and search for life on extrasolar planets (2009)
Cockell, C. S., Léger, A., Fridlund, M., Herbst, T. M., Kaltenegger, L., Absil, O., ...
The discovery of extrasolar planets is one of the greatest achievements of modern astronomy. The detection of planets that vary widely in mass demonstrates that extrasolar planets of low mass exist....
Darwin-A Mission to Detect and Search for Life on Extrasolar Planets (2009)
Cockell, C S, Léger, A, Fridlund, M, Herbst, T M, Kaltenegger, L, Absil, Olivier, ...
The discovery of extrasolar planets is one of the greatest achievements of modern astronomy. The detection of planets that vary widely in mass demonstrates that extrasolar planets of low mass exist....
Noise properties of the CoRoT data: a planet-finding perspective (2009)
Aigrain, S., Pont, F., Fressin, F., Alapini, A., Alonso, R., Auvergne, M., ...
In this short paper, we study the photometric precision of stellar light curves obtained by the CoRoT satellite in its planet finding channel, with a particular emphasis on the timescales...
Stadelmann, A., Grenfell, J. L., Lammer, H., Motschmann, U.
Previous studies have shown that extrasolar Earth-like planets in close-in habitable zones around M-stars are weakly protected against galactic cosmic rays (GCRs), leading to a strongly increased...
TandEM: Titan and Enceladus mission (2009)
Coustenis, A., Atreya, S. K., Balint, T., Brown, R. H., Dougherty, M. K., Ferri, F., ...
TandEM was proposed as an L-class (large) mission in response to ESA’s Cosmic Vision 2015–2025 Call, and accepted for further studies, with the goal of exploring Titan and Enceladus. The mission...
Lammer, H., Barucci, A., Beebe, R., Blamont, J., ...
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...
Using SPICA Space Telescope to characterize Exoplanets (2008)
Goicoechea, J. R., Swinyard, B., Tinetti, G., Nakagawa, T., Enya, K., Tamura, M., ...
We present the 3.5m SPICA space telescope, a proposed Japanese-led JAXA-ESA mission scheduled for launch around 2017. The actively cooled ( 18 um). SPICA is one of the few space missions selected to...
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...
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...
TandEM: Titan and Enceladus mission (2008)
Coustenis, A., Atreya, S. K., Balint, T., Brown, R. H., Dougherty, M. K., Ferri, F., ...
54 pages, 8 figures.-- In press.
Mars Environment and Magnetic Orbiter model payload (2008)
Langlais, B., Leblanc, F., Fouchet, T., Barabash, S., Breuer, D., Chassefière, E., ...
Mars Environment and Magnetic Orbiter was proposed as an answer to the Cosmic Vision Call of Opportunity as a M-class mission. The MEMO mission is designed to study the strong interconnections...
DARWIN - A Mission to Detect, and Search for Life on, Extrasolar Planets (2008)
Cockell, C. S., Leger, A., Fridlund, M., Herbst, T., Kaltenegger, L., Absil, O., ...
The discovery of extra-solar planets is one of the greatest achievements of modern astronomy. The detection of planets with a wide range of masses demonstrates that extra-solar planets of low mass...
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...
Energetic neutral atoms as the explanation for the high velocity hydrogen around HD 209458b (2008)
Holmström, M., Ekenbäck, A., Selsis, F., Penz, T., Lammer, H., Wurz, P.
Absorption in the stellar Lyman-$\alpha$ (Ly-$\alpha$) line observed during the transit of the extrasolar planet HD 209458b reveals high velocity atomic hydrogen at great distances from the planet....
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...
Does magnetospheric protection of M-star planets depend on planetary mass? (2008)
Grenfell, J. L., Patzer, B., Von Paris, Philip, Lammer, H., Stadelmann, A., ...
HDAC analysis - Hydrogen in Titan‘s exosphere (2008)
Hedelt, Pascal, Ito, Y., Rauer, Heike, Reulke, R., Keller, H. U., Lammer, H., ...
Moutou, C, Bruntt, H, Guillot, T, Shporer, A, Günther, E, Aigrain, S, ...
Distribution of hydrogen in Titan’s corona (2008)
Hedelt, Pascal, Ito, Y, Rauer, Heike, Reulke, R, Keller, U, Korth, A, ...
Deleuil, M, Deeg, H, Alonso, R, Bouchy, F, Rouan, D, Auvergne, M, ...
First observation of energetic neutral atoms in the Venus environment (2008)
Galli, A., Wurz, P., Bochsler, P., Barabash, S., Grigoriev, A., Futaana, Y., ...
Comparative analysis of Venus and Mars magnetotails (2008)
Fedorov, A., Ferrier, C., Sauvaud, J. A., Barabash, S., Zhang, T. L., Mazelle, C., ...
Ionospheric conductivity effects on electrostatic field penetration into the ionosphere (2008)
V. V. Denisenko, M. Y. Boudjada, M. Horn, E. V. Pomozov, H. K. Biernat, K. Schwingenschuh, ...
The classic approach to calculate the electrostatic field penetration, from the Earth's surface into the ionosphere, is to consider the following equation...
The loss of ions from Venus through the plasma wake (2007)
Barabash, S., Fedorov, A., Sauvaud, J. J., Lundin, R., Russell, C. T., Futaana, Y., ...
Venus, unlike Earth, is an extremely dry planet although both began with similar masses, distances from the Sun, and presumably water inventories. The high deuterium-to-hydrogen ratio in the venusian...
H. Lammer, F. Selsis, I. Ribas, E. F. Guinan, S. J. Bauer, W. W. Weiss
Past studies addressing thermal atmospheric escape of hydrogen from “Hot Jupiters ” have been based on the planet’s effective temperature, which, as we show here, is not physically relevant for...
Mars environment and magnetic orbiter (2007)
Leblanc, F., Langlais, B., Fouchet, T., Chassefière, E., Sotin, C., Barabash, S., ...
Penz, T., Micela, G., Lammer, H.
Aims: We investigate the influence of high-energy stellar radiation at close-in orbits on atmospheric mass loss during stellar evolution of a G-type star. Methods: High-energy stellar luminosity...
Could we identify hot Ocean-Planets with CoRoT, Kepler and Doppler velocimetry? (2007)
Selsis, F., Chazelas, B., Borde, P., Ollivier, M., Brachet, F., Decaudin, M., ...
Planets less massive than about 10 MEarth are expected to have no massive H-He atmosphere and a cometary composition (50% rocks, 50% water, by mass) provided they formed beyond the snowline of...
A New Family of Planets ? \"Ocean Planets\" (2007)
Leger, A., Selsis, F., Sotin, C., Guillot, T., Despois, D., Mawet, D., ...
A new family of planets is considered which is between rochy terrestrial planets and gaseous giant ones: \"Ocean-Planets\". We present the possible formation, composition and internal models of these...
The Planetary Magnetic Dynamo Effect on Atmospheric Protection of Early Earth and Mars (2007)
Dehant, V., Lammer, H., Kulikov, Y. N., Breuer, D., Verhoeven, O., ...
In light of assessing the habitability of Mars, we examine the impact of the magnetic field on the atmosphere. When there is a magnetic field, the atmosphere is protected from erosion by solar wind....
Kulikov, Y., Lammer, H., Lichtenegger, H., Penz, T., Breuer, D., Spohn, T., ...
Because the solar radiation and particle environment plays a major role in all atmospheric processes such as ionization, dissociation, heating of the upper atmospheres, and thermal and non-thermal...
Could we identify hot Ocean-Planets with CoRoT, Kepler and Doppler velocimetry? (2007)
Selsis, F., Chazelas, B., Borde, P., Ollivier, M., Brachet, F., Decaudin, M., ...
Planets less massive than about 10 MEarth are expected to have no massive H-He atmosphere and a cometary composition (50% rocks, 50% water, by mass) provided they formed beyond the snowline of...
SMART-1 Impact Ground-based campaign (2007)
Ehrenfreund, P., Foing, B. H., Veillet, C., Wooden, D., Gurvits, L., Cook, A. C., ...
Based on predictions of impact magnitude and cloud ejecta dynamics, we organized a SMART-1 ground-based observation campaign to perform coordinated measurements of the impact. Results from the...
MEMO: Mars Environment and Magnetic Orbiter: A cosmic Vision proposal (2007)
Lammer, H., Leblanc, F., Langlais, B., Fouchet, T., Chassefièr, E., Sotin, C., ...
The loss of ions from Venus through the plasma wake (2007)
Barabash, S., Fedorov, A., Sauvaud, J. J., Lundin, R., Russell, C. T., Futaana, Y., ...
Roche lobe effects on the atmospheric loss of "Hot Jupiters" (2006)
Erkaev, N. V., Lammer, H., Kulikov, Yu. N., Langmayr, D., Selsis, F., Jaritz, G. F., ...
Observational evidence of a hydrodynamically evaporating upper atmosphere of HD209458b (Vidal-Madjar et al. 2003; 2004) and recent theoretical studies on evaporation scenarios of ``Hot Jupiters'' in...
Mingalev, I. V., Mingalev, V. S., Mingalev, O. V., Kazeminejad, B., Lammer, H., Biernat, H. K., ...
We present the first results of a 3-D General Circulation Model of Titan's atmosphere which differs from traditional models in that the hydrostatic equation is not used and all three components of...
Mingalev, I. V., Mingalev, V. S., Mingalev, O. V., Kazeminejad, B., Lammer, H., Biernat, H. K., ...
We present the first results of a 3-D General Circulation Model of Titan's atmosphere which differs from traditional models in that the hydrostatic equation is not used and all three components of...
The effect of evaporation on the evolution of close-in giant planets (2005)
Baraffe, I., Selsis, F., Chabrier, Gilles, Barman, T. S., Allard, F., Hauschildt, P. H., ...
We include the effect of evaporation in our evolutionary calculations of close-in giant planets, based on a recent model for thermal evaporation taking into account the XUV flux of the parent star...
Temperature variations in Titan's upper atmosphere: Impact on Cassini/Huygens (2005)
Kazeminejad, B., Lammer, H., Coustenis, A., Witasse, O., Fischer, G., Schwingenschuh, K., ...
Temperature variations of Titan's upper atmosphere due to the plasma interaction of the satellite with Saturn's magnetosphere and Titan's high altitude monomer haze particles can imply an offset of...
DNA damage under simulated extraterrestrial conditions in bacteriophage T7 (2005)
Fekete, A., Módos, K., Hegedüs, M., Kovács, G., Rontó, Gy., Péter, Á, ...
The experiment ‘‘Phage and Uracil response’’ will be accommodated in the EXPOSE facility of the International Space Station. Its objective is to examine and quantify the effect of specific...
An ultraviolet simulator for the incident Martian surface radiation and its applications (2005)
Kolb, C., Abart, R., Bérces, A., Garry, J.R.C., Hansen, A.A., Hohenau, W., ...
Ultraviolet (UV) radiation can act on putative organic/biological matter at the Martian surface in several ways. Only absorbed, but not transmitted or reflected, radiation energy can be...
An ultraviolet simulator for the incident Martian surface radiation and its applications (2005)
Kolb, C., Abart, R., Berces, A., Garry, J. C., Hansen, A. A., Hohenau, W., ...
Ultraviolet (UV) radiation can act on putative organic/biological matter at the Martian surface in several ways. Only absorbed, but not transmitted or reflected, radiation energy can be...
Temperature variations in Titan's upper atmosphere: Impact on Cassini/Huygens (2005)
Kazeminejad, B., Lammer, H., Coustenis, A., Witasse, O., Fischer, G., Schwingenschuh, K., ...
Temperature variations of Titan's upper atmosphere due to the plasma interaction of the satellite with Saturn's magnetosphere and Titan's high altitude monomer haze particles can imply an offset of...
Temperature variations in Titan's upper atmosphere: Impact on Cassini/Huygens (2005)
Kazeminejad, B., Lammer, H., Coustenis, A., Witasse, O., Fischer, G., Schwingenschuh, K., ...
Temperature variations of Titan's upper atmosphere due to the plasma interaction of the satellite with Saturn's magnetosphere and Titan's high altitude monomer haze particles can imply an offset of...
The effect of evaporation on the evolution of close-in giant planets (2004)
Baraffe, I., Selsis, F., Chabrier, G., Barman, T. S., Allard, F., Hauschildt, P. H., ...
We include the effect of evaporation in our evolutionary calculations of close-in giant planets, based on a recent model for thermal evaporation taking into account the XUV flux of the parent star...
The effect of evaporation on the evolution of close-in giant planets (2004)
Baraffe, I., Selsis, F., Chabrier, Gilles, Barman, T. S., Allard, F., Hauschildt, P. H., ...
We include the effect of evaporation in our evolutionary calculations of close-in giant planets, based on a recent model for thermal evaporation taking into account the XUV flux of the parent star...
Annual solar UV exposure and biological effective dose rates on the Martian surface (2004)
Patel, Manish, Berces, A., Kerekgyarto, T., Ronto, G., Lammer, H., Zarnecki, John
The ultraviolet (UV) environment of Mars has been investigated to gain an understanding of the variation of exposure throughout a Martian year, and link this flux to biological effects and possible...
The effect of evaporation on the evolution of close-in giant planets (2004)
Baraffe, I., Selsis, F., Chabrier, Gilles, Barman, T. S., Allard, F., Hauschildt, P. H., ...
We include the effect of evaporation in our evolutionary calculations of close-in giant planets, based on a recent model for thermal evaporation taking into account the XUV flux of the parent star...
A New Family of Planets ? \"Ocean Planets\" (2004)
Leger, A., Selsis, F., Sotin, C., Guillot, T., Despois, D., Mawet, D., ...
A new family of planets is considered which is between rochy terrestrial planets and gaseous giant ones: \"Ocean-Planets\". We present the possible formation, composition and internal models of these...
Enery dissipaton of possible Titan lightning strokes (2004)
Fischer, G., Tokano, T., Macher, W., Lammer, H., Rucker, H.O.
Submitted to Icarus notes version 15 Jan. 04 (2004)
New Family Of, A. Léger, F. Selsis, C. Sotin, T. Guillot, D. Despois, ...
A new family of planets is considered which is in between the rocky terrestrial planets and the gaseous giants, "Ocean-Planets". We present the possible formation, composition and internal...
Lammer, H., Wurz, P., Patel, M., Killen, R., Kolb, C., Massetti, S., ...
Mercury's close orbit around the Sun, its weak intrinsic magnetic field and the absence of an atmosphere (Psurface
A New Family of Planets ? "Ocean Planets" (2003)
Leger, A., Selsis, F., Sotin, C., Guillot, T., Despois, D., Lammer, H., ...
A new family of planets is considered which is between rochy terrestrial planets and gaseous giant ones: "Ocean-Planets". We present the possible formation, composition and internal models of these...
Patel, M. R., Bérces, A., Kolb, C., Lammer, H., Rettberg, P., Zarnecki, J. C., ...
The issue of the variation of the surface ultraviolet (UV) environment on Mars was investigated with particular emphasis being placed on the interpretation of data in a biological context. A UV model...
A New Family of Planets ? \"Ocean Planets\" (2003)
Leger, A., Selsis, F., Sotin, C., Guillot, T., Despois, D., Mawet, D., ...
A new family of planets is considered which is between rochy terrestrial planets and gaseous giant ones: \"Ocean-Planets\". We present the possible formation, composition and internal models of these...
Sun and protosolar nebula - Working group report (2003)
Kallenbach, R., Robert, F., Geiss, J., Herbst, E., Lammer, H., Marty, B., ...
Astrobiological instrumentation for Mars – the only way is down (2002)
Ellery, A., Kolb, C., Lammer, H., Parnell, J., Edwards, H., Richter, L., ...
In this paper, in this edition of the Journal commemorating the life and work of David Wynn-Williams, we consider approaches to the astrobiological investigation of Mars. We provide a brief account...
Energy dissipation of possible Titan lighting strokes (2002)
Fischer, G., Tokano, T., Macher, W., Lammer, H., Rucker, H. O.
Titan lightning: an energy source for biochemistry (2001)
Lammer, H., Tokano, T., Molina-Cuberos, G.J., Stumptner, W., Fischer, G.