Zobrazeno 1 - 10
of 142
pro vyhledávání: '"Ilee, John D."'
The gas and solid-state C/O ratios provide context to potentially link the atmospheric composition of planets to that of the natal disk. We provide a synthesis of extant estimates of the gaseous C/O and C/H ratios in planet-forming disks obtained pri
Externí odkaz:
http://arxiv.org/abs/2406.12037
Autor:
Booth, Alice S., Leemker, Margot, van Dishoeck, Ewine F., Evans, Lucy, Ilee, John D., Kama, Mihkel, Keyte, Luke, Law, Charles J., van der Marel, Nienke, Nomura, Hideko, Notsu, Shota, Öberg, Karin, Temmink, Milou, Walsh, Catherine
Observations of disks with the Atacama Large Millimeter/submillimeter Array (ALMA) allow us to map the chemical makeup of nearby protoplanetary disks with unprecedented spatial resolution and sensitivity. The typical outer Class II disk observed with
Externí odkaz:
http://arxiv.org/abs/2402.04001
Autor:
Booth, Alice S., Temmink, Milou, van Dishoeck, Ewine F., Evans, Lucy, Ilee, John D., Kama, Mihkel, Keyte, Luke, Law, Charles J., Leemker, Margot, van der Marel, Nienke, Nomura, Hideko, Notsu, Shota, Öberg, Karin, Walsh, Catherine
The Atacama Large Millimeter/submillimeter Array (ALMA) can probe the molecular content of planet-forming disks with unprecedented sensitivity. These observations allow us to build up an inventory of the volatiles available for forming planets and co
Externí odkaz:
http://arxiv.org/abs/2402.04002
Autor:
Muñoz-Romero, Carlos E., Öberg, Karin I., Banzatti, Andrea, Pontoppidan, Klaus M., Andrews, Sean M., Wilner, David J., Bergin, Edwin A., Czekala, Ian, Law, Charles J., Salyk, Colette, Teague, Richard, Qi, Chunhua, Bergner, Jennifer B., Huang, Jane, Walsh, Catherine, Guzmán, Viviana V., Cleeves, L. Ilsedore, Aikawa, Yuri, Bae, Jaehan, Booth, Alice S., Cataldi, Gianni, Ilee, John D., Gal, Romane Le, Long, Feng, Loomis, Ryan A., Menard, François, Liu, Yao
We present MIRI MRS observations of the large, multi-gapped protoplanetary disk around the T-Tauri star AS 209. The observations reveal hundreds of water vapor lines from 4.9 to 25.5 $\mu$m towards the inner $\sim1$ au in the disk, including the firs
Externí odkaz:
http://arxiv.org/abs/2402.00860
Autor:
Calahan, Jenny K., Bergin, Edwin A., Bosman, Arthur D., Rich, Evan, Andrews, Sean M., Bergner, Jennifer B., Cleeves, L. Ilsedore, Guzman, Viviana V., Huang, Jane, Ilee, John D., Law, Charles J., Gal, Romane Le, Oberg, Karin I., Teague, Richard, Walsh, Catherine, Wilner, David J., Zhang, Ke
The chemical reservoir within protoplanetary disks has a direct impact on planetary compositions and the potential for life. A long-lived carbon-and nitrogen-rich chemistry at cold temperatures (<=50K) is observed within cold and evolved planet-formi
Externí odkaz:
http://arxiv.org/abs/2212.05539
Autor:
Booth, Alice S., Ilee, John D., Walsh, Catherine, Kama, Mihkel, Keyte, Luke, van Dishoeck, Ewine F., Nomura, Hideko
Publikováno v:
A&A 669, A53 (2023)
Molecular line observations are powerful tracers of the physical and chemical conditions across the different evolutionary stages of star, disk and planet formation. Using the high angular resolution and unprecedented sensitivity of the Atacama Large
Externí odkaz:
http://arxiv.org/abs/2210.14820
Autor:
Bae, Jaehan, Teague, Richard, Andrews, Sean M., Benisty, Myriam, Facchini, Stefano, Galloway-Sprietsma, Maria, Loomis, Ryan A., Aikawa, Yuri, Alarcon, Felipe, Bergin, Edwin, Bergner, Jennifer B., Booth, Alice S., Cataldi, Gianni, Cleeves, L. Ilsedore, Czekala, Ian, Guzman, Viviana V., Huang, Jane, Ilee, John D., Kurtovic, Nicolas T., Law, Charles J., Gal, Romane Le, Liu, Yao, Long, Feng, Menard, Francois, Oberg, Karin I., Perez, Laura M., Qi, Chunhua, Schwarz, Kamber R., Sierra, Anibal, Walsh, Catherine, Wilner, David J., Zhang, Ke
We report the discovery of a circumplanetary disk (CPD) candidate embedded in the circumstellar disk of the T Tauri star AS 209 at a radial distance of about 200 au (on-sky separation of 1."4 from the star at a position angle of $161^\circ$), isolate
Externí odkaz:
http://arxiv.org/abs/2207.05923
Autor:
Ilee, John D., Walsh, Catherine, Jennings, Jeff, Booth, Richard A., Rosotti, Giovanni P., Teague, Richard, Tsukagoshi, Takashi, Nomura, Hideko
The radial extent of millimetre dust in protoplanetary discs is often far smaller than that of their gas, mostly due to processes such as dust growth and radial drift. However, it has been suggested that current millimetre continuum observations of d
Externí odkaz:
http://arxiv.org/abs/2205.01396
Autor:
Law, Charles J., Crystian, Sage, Teague, Richard, Öberg, Karin I., Rich, Evan A., Andrews, Sean M., Bae, Jaehan, Flaherty, Kevin, Guzmán, Viviana V., Huang, Jane, Ilee, John D., Kastner, Joel H., Loomis, Ryan A., Long, Feng, Pérez, Laura M., Pérez, Sebastián, Qi, Chunhua, Rosotti, Giovanni P., Ruíz-Rodríguez, Dary, Tsukagoshi, Takashi, Wilner, David J.
High spatial resolution CO observations of mid-inclination (30-75{\deg}) protoplanetary disks offer an opportunity to study the vertical distribution of CO emission and temperature. The asymmetry of line emission relative to the disk major axis allow
Externí odkaz:
http://arxiv.org/abs/2205.01776
Autor:
Williams, Gwenllian M., Cyganowski, Claudia J., Brogan, Crystal L., Hunter, Todd R., Ilee, John D., Nazari, Pooneh, Kruijssen, J. M. Diederik, Smith, Rowan J., Bonnell, Ian A.
Using the Atacama Large Millimetre/submillimeter Array (ALMA) and the Karl G. Jansky Very Large Array (VLA), we observed the Extended Green Object (EGO) G19.01$-$0.03 with sub-arcsecond resolution from 1.05 mm to 5.01 cm wavelengths. Our $\sim0.4''\s
Externí odkaz:
http://arxiv.org/abs/2110.06262