Far-Ultraviolet H_2 Emission from Circumstellar Disks (2009)
Ingleby, Laura, Calvet, Nuria, Bergin, Edwin, Yerasi, Ashwin, Espaillat, Catherine, Herczeg, Gregory, ...
We analyze the far-ultraviolet (FUV) spectra of 33 classical T Tauri stars (CTTS), including 20 new spectra obtained with the Advanced Camera for Surveys Solar Blind Channel (ACS/SBC) on the Hubble...
Far-Ultraviolet H2 Emission from Circumstellar Disks (2009)
Ingleby, Laura, Calvet, Nuria, Bergin, Edwin, Yerasi, Ashwin, Espaillat, Catherine, Herczeg, Gregory, ...
We analyze the far-ultraviolet (FUV) spectra of 33 classical T Tauri stars (CTTS), including 20 new spectra obtained with the Advanced Camera for Surveys Solar Blind Channel (ACS/SBC) on the Hubble...
Evidence for Disk Photoevaporation Driven by the Central Star (2009)
Pascucci, Ilaria, Sterzik, Michael
The lifetime of isolated protoplanetary disks is thought to be set by the combination of viscous accretion and photoevaporation driven by stellar high-energy photons. Observational evidence for...
Cortes, Stephanie R., Meyer, Michael R., Carpenter, John M., Pascucci, Ilaria, Schneider, Glenn, Wong, Tony, ...
We present Australia Telescope Compact Array interferometric observations of the old (13 Myr), nearby (86 pc) classical T Tauri star (cTTS), PDS 66. Unresolved 3 and 12 mm continuum emission is...
Cortes, Stephanie R., Meyer, Michael R., Carpenter, John M., Pascucci, Ilaria, Schneider, Glenn, Wong, Tony, ...
We present ATCA interferometric observations of the old (13 Myr), nearby (86pc) classical T Tauri star, PDS 66. Unresolved 3 and 12 mm continuum emission is detected towards PDS 66, and upper limits...
Bridging the Gap Between Stars and Planets: The Formation and Early Evolution of Brown Dwarfs (2009)
Mohanty, Subhanjoy, Burgasser, Adam, Chabrier, Gilles, Padoan, Paolo, Hennebelle, Patrick, Pascucci, Ilaria, ...
This White Paper, submitted to the National Academy of Sciences' Astro2010 Decadal Review Committee, focuses on 2 central themes in the study of young brown dwarfs -- their formation mechanism and...
Carpenter, John M., Bouwman, Jeroen, Mamajek, Eric E., Meyer, Michael R., Hillenbrand, Lynne A., Backman, Dana E., ...
We present Spitzer photometric (IRAC and MIPS) and spectroscopic (IRS low resolution) observations for 314 stars in the Formation and Evolution of Planetary Systems Legacy program. These data are...
Juhasz, Attila, Henning, Thomas, Bouwman, Jeroen, Dullemond, Cornelis, Pascucci, Ilaria, Apai, Daniel
The spectral region around 10 micrometer, showing prominent dust emission bands, is commonly used to derive the chemical composition of protoplanetary dust. Different analysis methods have been...
Far-ultraviolet H2 emission from circumstellar disks (2009)
Ingleby, Laura, Calvet, Nuria, Bergin, Edwin, Yerasi, Ashwin, Espaillat, Catherine, Herczeg, Gregory, ...
Carpenter, John M., Bouwman, Jeroen, Mamajek, Eric E., Meyer, Michael R., Hillenbrand, Lynne A., Backman, Dana E., ...
We present Spitzer photometric (IRAC and MIPS) and spectroscopic (IRS low resolution) observations for 314 stars in the Formation and Evolution of Planetary Systems (FEPS) Legacy program. These data...
Gas Evolution in Protoplanetary Disks (2008)
Woitke, Peter, Dent, Bill, Thi, Wing-Fai, Sibthorpe, Bruce, Rice, Ken, Williams, Jonathan, ...
This article summarizes a Splinter Session at the Cool Stars XV conference in St. Andrews with 3 review and 4 contributed talks. The speakers have discussed various approaches to understand the...
Hillenbrand, Lynne A., Carpenter, John M., Kim, Jinyoung Serena, Meyer, Michael R., Backman, Dana E., Moro-Martín, Amaya, ...
We report detection of cool dust surrounding solar-type stars from observations performed as part of the Spitzer Legacy Science Program FEPS. From a sample of 328 stars having ages ~0.003-3 Gyr we...
Hillenbrand, Lynne A., Carpenter, John M., Kim, Jinyoung Serena, Meyer, Michael R., Backman, Dana E., Moro-Martín, Amaya, ...
We report detection of cool dust surrounding solar-type stars from observations performed as part of the Spitzer Legacy Science Program FEPS. From a sample of 328 stars having ages ~0.003-3 Gyr we...
Hillenbrand, Lynne A., Carpenter, John M., Kim, Jinyoung Serena, Meyer, Michael R., Backman, Dana E., Moro-Martin, Amaya, ...
(abbreviated) We report detection with the Spitzer Space Telescope of cool dust surrounding solar type stars. The observations were performed as part of the Legacy Science Program, ``Formation and...
High-resolution spectroscopy of [Ne II] emission from TW Hydrae (2007)
Herczeg, Gregory J., Najita, Joan R., Hillenbrand, Lynne A., Pascucci, Ilaria
We present high-resolution echelle spectra of [Ne II] 12.81 μm emission from the classical T Tauri star (CTTS) TW Hya, obtained with MICHELLE on Gemini North. The line is centered at the stellar...
High-resolution Spectroscopy of [Ne II] Emission from TW Hya (2007)
Herczeg, Gregory J., Najita, Joan, Hillenbrand, Lynne A., Pascucci, Ilaria
We present high-resolution echelle spectra of [Ne II] 12.81 micron emission from the classical T Tauri star (CTTS) TW Hya obtained with MICHELLE on Gemini North. The line is centered at the stellar...
Meyer, Michael R., Hillenbrand, Lynne A., Backman, Dana, Beckwith, Steve, Bouwman, Jeroen, Brooke, Tim, ...
We provide an overview of the Spitzer Legacy Program ``Formation and Evolution of Planetary Systems" (FEPS) which was proposed in 2000, begun in 2001, and executed aboard the Spitzer Space Telescope...
Are debris disks and massive planets correlated? (2007)
Moro-Martín, Amaya, Carpenter, John M., Meyer, Michael R., Hillenbrand, Lynne A., Malhotra, Renu, Hollenbach, David, ...
Using data from the Spitzer Space Telescope Legacy Science Program Formation and Evolution of Planetary Systems (FEPS), we have searched for debris disks around nine FGK stars (2-10 Gyr), known from...
The Formation of Brown Dwarfs: Observations (2006)
Luhman, Kevin L., Joergens, Viki, Lada, Charles, Muzerolle, James, Pascucci, Ilaria, White, Russel
We review the current state of observational work on the formation of brown dwarfs, focusing on their initial mass function, velocity and spatial distributions at birth, multiplicity, accretion, and...
Formation and Evolution of Planetary Systems: Cold Outer Disks Associated with Sun-like stars (2005)
Kim, Jinyoung Serena, Hines, Dean C., Backman, Dana E., Hillenbrand, Lynne A., Meyer, Michael R., Rodmann, Jens, ...
We present the discovery of debris systems around three solar mass stars based upon observations performed with the Spitzer Space Telescope as part of a Legacy Science Program, ``the Formation and...
The onset of planet formation in brown dwarf disks (2005)
Apai, Dániel, Pascucci, Ilaria, Bouwman, Jeroen, Natta, Antonella, Henning, Thomas, Dullemond, Cornelis P.
The onset of planet formation in protoplanetary disks is marked by the growth and crystallization of sub-micrometer-sized dust grains accompanied by dust settling toward the disk mid-plane. Here, we...
Formation and evolution of planetary systems: Cold outer disks associated with sun-like stars (2005)
Kim, Jinyoung Serena, Hines, Dean C., Backman, Dana E., Hillenbrand, Lynne A., Meyer, Michael R., Rodmann, Jens, ...
We present the discovery of debris systems around three Sun-like stars based on observations performed with the Spitzer Space Telescope as part of a Legacy Science Program, ``The Formation and...
Massive Star Formation at High Spatial Resolution (2004)
This thesis studies the early phases of massive stars and their impact on the surrounding. The capabilities of continuum radiative transfer (RT) codes to interpret the observations are also...
Evolution of Young Brown Dwarf Disks in the Mid-Infrared (2004)
Sterzik, Michael F., Pascucci, Ilaria, Apai, Daniel, Van Der Bliek, Nicole, Dullemond, Cornelis P.
We have imaged two bona-fide brown dwarfs with TReCS/GEMINI-S and find mid-infrared excess emission that can be explained by optically thick dust disk models. In the case of the young ($\approx$2Myr)...
FU Orionis: A binary star? (2004)
Wang, Hongchi, Apai, Daniel, Henning, Thomas, Pascucci, Ilaria
By using the Adaptive Optics with a Laser for Astronomy system at the 3.6 m telescope of the Calar Alto Observatory, we detected a faint red star in the apparent vicinity of FU Ori, the prototype of...
Massive star formation at high spatial resolution / (2004)
Heidelberg, University, Diss., 2004.
Massive Star Formation at High Spatial Resolution (2004)
This thesis studies the early phases of massive stars and their impact on the surrounding. The capabilities of continuum radiative transfer (RT) codes to interpret the observations are also...
FU Orionis: A Binary Star? (2003)
Wang, Hongchi, Apai, Daniel, Henning, Thomas, Pascucci, Ilaria
By using the ALFA adaptive optics system at the 3.6m telescope of the Calar Alto Observatory we detected a faint red star in the apparent vicinity of FU Ori, the prototype of the FUor outburst stars....
Mid-infrared observations of brown dwarfs and their disks: First ground-based detection (2003)
Apai, Daniel, Pascucci, Ilaria, Henning, Th., Sterzik, M. F., Klein, R., Semenov, D., ...