Spectral synthesis of circumstellar disks - application to white dwarf debris disks (2009)
Huegelmeyer, S. D., Dreizler, S., Homeier, D., Hauschildt, P.
Gas and dust disks are common objects in the universe and can be found around various objects, e.g. young stars, cataclysmic variables, active galactic nuclei, or white dwarfs. The light that we...
A comparison of chemistry and dust cloud formation in ultracool dwarf model atmospheres (2008)
Helling, Ch., Ackerman, A., Allard, F., Dehn, M., Hauschildt, P., Homeier, D., ...
The atmospheres of substellar objects contain clouds of oxides, iron, silicates, and other refractory condensates. Water clouds are expected in the coolest objects. The opacity of these `dust' clouds...
Comparison of cloud models for Brown Dwarfs (2007)
Helling, Ch., Ackerman, A., Allard, F., Dehn, M., Hauschildt, P., Homeier, D., ...
A test case comparison is presented for different dust cloud model approaches applied in brown dwarfs and giant gas planets. We aim to achieve more transparency in evaluating the uncertainty inherent...
Starrfield, S., Beardmore, A. P., Bode, M. F., Drake, J. J., Evans, A., ...
The phase of Super-Soft-Source (SSS) emission of the sixth recorded outburst of the recurrent nova RS Oph was observed twice with Chandra and once with XMM-Newton. The observations were taken on days...
Modelling the Near-IR Spectra of Red Supergiant-dominated Populations (2007)
Lançon, A., Gallagher, J. S., De Grijs, R., Hauschildt, P., Ladjal, D., Mouhcine, M., ...
We report on recent progress in the modelling of the near-IR spectra of young stellar populations, i.e. populations in which red supergiants (RSGs) are dominant. First, we discuss the determination...
The evolution of irradiated planets. Application to transits (2005)
Chabrier, Gilles, Barman, T., Baraffe, I., Allard, F., Hauschildt, P.
Extending the theory we derived recently for HD209458b to different cases of strongly irradiated gaseous exoplanets, we have calculated the consistent evolution of the new transiting planet,...
Deuterium-burning in substellar objects (2005)
Chabrier, Gilles, Baraffe, I., Allard, F., Hauschildt, P.
We consider the depletion of primordial deuterium in the interior of substellar objects as a function of mass, age and absolute magnitude in several photometric passbands. We characterize potential...
Evolutionary models for very-low-mass stars and brown dwarfs with dusty atmospheres (2005)
Chabrier, Gilles, Baraffe, I., Allard, F., Hauschildt, P.
We present evolutionary calculations for very-low-mass stars and brown dwarfs based on synthetic spectra and non-grey atmosphere models which include dust formation and opacity, i.e. objects with...
Pre-Main Sequence models for low-mass stars and brown dwarfs (2005)
Baraffe, I., Chabrier, Gilles, Allard, F., Hauschildt, P.
We present evolutionary models for low mass stars and brown dwarfs ($m \\le 1.2 \\msol$) based on recent improvement of the theory: equation of state, atmosphere models, ... We concentrate on early...
Cassan, A., Beaulieu, J. P., Brillant, S., Coutures, C., Dominik, M., Donatowicz, J., ...
We discuss high-resolution, time-resolved spectra of the caustic exit of the binary microlensing event OGLE 2002-BUL-69 obtained with UVES on the VLT. The source star is a G5III giant in the Galactic...
The evolution of irradiated planets. Application to transits (2004)
Chabrier, G., Barman, T., Baraffe, I., Allard, F., Hauschildt, P.
Extending the theory we derived recently for HD209458b to different cases of strongly irradiated gaseous exoplanets, we have calculated the consistent evolution of the new transiting planet,...
Cassan, A., Beaulieu, J. P., Brillant, S., Coutures, C., Dominik, M., Donatowicz, J., ...
We discuss high-resolution, time-resolved spectra of the caustic exit of the binary microlensing event OGLE 2002-BUL-69 obtained with UVES on the VLT. The source star is a G5III giant in the Galactic...
The evolution of irradiated planets. Application to transits (2004)
Chabrier, Gilles, Barman, T., Baraffe, I., Allard, F., Hauschildt, P.
Extending the theory we derived recently for HD209458b to different cases of strongly irradiated gaseous exoplanets, we have calculated the consistent evolution of the new transiting planet,...
Cassan, A., Beaulieu, J. P., Brillant, S., Coutures, C., Dominik, M., Donatowicz, J., ...
We discuss high-resolution, time-resolved spectra of the caustic exit of the binary microlensing event OGLE 2002-BUL-69 obtained with UVES on the VLT. The source star is a G5III giant in the Galactic...
The evolution of irradiated planets. Application to transits (2004)
Chabrier, Gilles, Barman, T., Baraffe, I., Allard, F., Hauschildt, P.
Extending the theory we derived recently for HD209458b to different cases of strongly irradiated gaseous exoplanets, we have calculated the consistent evolution of the new transiting planet,...
Cassan, A., Beaulieu, J. P., Brillant, S., Coutures, C., Dominik, M., Donatowicz, J., ...
We discuss high-resolution, time-resolved spectra of the caustic exit of the binary microlensing event OGLE 2002-BUL-69 obtained with UVES on the VLT. The source star is a G5III giant in the Galactic...
2MASS J0516288+260738: Discovery of the first eclipsing late K + Brown dwarf binary system (2003)
Schuh, S.L., Handler, G., Drechsel, H., Hauschildt, P., Dreizler, S., Medupe, R., ...
Starrfield, S., Burwitz, V., Hauschildt, P., Wichmann, R., Drake, J. J., ...
V4743 Sgr (Nova Sgr 2002 No. 3) was discovered on 20 September 2002. We obtained a 5ks ACIS-S spectrum in November 2002 and found that the nova was faint in X-rays. We then obtained a 25ks CHANDRA...
A Possible New Transiting Planet (2003)
Dreizler, S., Hauschildt, P., Kley, W., Rauch, T., Schuh, S. L., Werner, K., ...
Recently, 59 low-luminosity object transits were reported from the Optical Gravitational Lensing Experiment (OGLE). Our follow-up low-resolution spectroscopy of 16 candidates provided two objects,...
Drake, Jeremy J., Wagner, R. Mark, Starrfield, Sumner, Butt, Yousaf, Krautter, Joachim, Bond, H. E., ...
V1494 Aql (Nova Aql 1999 No. 2) was discovered on 2 December 1999. We obtained Chandra ACIS-I spectra on 15 April and 7 June 2000 which appear to show only emission lines. Our third observation, on 6...
Spectral Types of Planetary Host Star Candidates: Two New Transiting Planets? (2002)
Dreizler, S., Rauch, T., Hauschildt, P., Schuh, S. L., Kley, W., Werner, K.
Recently, 46 low-luminosity object transits were reported from the Optical Gravitational Lensing Experiment. Our follow-up spectroscopy of the 16 most promising candidates provides a spectral...
Deuterium-burning in substellar objects (2000)
Chabrier, G., Baraffe, I., Allard, F., Hauschildt, P.
We consider the depletion of primordial deuterium in the interior of substellar objects as a function of mass, age and absolute magnitude in several photometric passbands. We characterize potential...
Pre-Main Sequence models for low-mass stars and brown dwarfs (2000)
Baraffe, I., Chabrier, G., Allard, F., Hauschildt, P.
We present evolutionary models for low mass stars and brown dwarfs ($m \le 1.2 \msol$) based on recent improvement of the theory: equation of state, atmosphere models, ... We concentrate on early...
Evolutionary models for very-low-mass stars and brown dwarfs with dusty atmospheres (2000)
Chabrier, G., Baraffe, I., Allard, F., Hauschildt, P.
We present evolutionary calculations for very-low-mass stars and brown dwarfs based on synthetic spectra and non-grey atmosphere models which include dust formation and opacity, i.e. objects with...
Deuterium-burning in substellar objects (2000)
Chabrier, Gilles, Baraffe, I., Allard, F., Hauschildt, P.
We consider the depletion of primordial deuterium in the interior of substellar objects as a function of mass, age and absolute magnitude in several photometric passbands. We characterize potential...
Evolutionary models for very-low-mass stars and brown dwarfs with dusty atmospheres (2000)
Chabrier, Gilles, Baraffe, I., Allard, F., Hauschildt, P.
We present evolutionary calculations for very-low-mass stars and brown dwarfs based on synthetic spectra and non-grey atmosphere models which include dust formation and opacity, i.e. objects with...
Pre-Main Sequence models for low-mass stars and brown dwarfs (2000)
Baraffe, I., Chabrier, Gilles, Allard, F., Hauschildt, P.
We present evolutionary models for low mass stars and brown dwarfs ($m \\le 1.2 \\msol$) based on recent improvement of the theory: equation of state, atmosphere models, ... We concentrate on early...
Deuterium-burning in substellar objects (2000)
Chabrier, Gilles, Baraffe, I., Allard, F., Hauschildt, P.
We consider the depletion of primordial deuterium in the interior of substellar objects as a function of mass, age and absolute magnitude in several photometric passbands. We characterize potential...
Evolutionary models for very-low-mass stars and brown dwarfs with dusty atmospheres (2000)
Chabrier, Gilles, Baraffe, I., Allard, F., Hauschildt, P.
We present evolutionary calculations for very-low-mass stars and brown dwarfs based on synthetic spectra and non-grey atmosphere models which include dust formation and opacity, i.e. objects with...
Pre-Main Sequence models for low-mass stars and brown dwarfs (2000)
Baraffe, I., Chabrier, Gilles, Allard, F., Hauschildt, P.
We present evolutionary models for low mass stars and brown dwarfs ($m \\le 1.2 \\msol$) based on recent improvement of the theory: equation of state, atmosphere models, ... We concentrate on early...
Barnes--Evans relations for late--type giants and dwarfs (1999)
Beuermann, K., Baraffe, I., Hauschildt, P.
The visual surface brightness of K/M giants and dwarfs with near-solar metallicity differ slightly in agreement with the gravity effects predicted by recent theoretical models. We show that M-dwarfs...
Alibert, Y., Baraffe, I., Hauschildt, P., Allard, F.
Based on consistent evolutionary and pulsation calculations, we analyse the effect of metallicity and of different convection treatments in the stellar models on period - magnitude, - color and -...
The Eclipsing Binary System CM Draconis. (1998)
Viti, S., Tennyson, J., Jones, H.R.A., Schweitzer, A., Allard, F., Hauschildt, P.