Zobrazeno 1 - 10
of 360
pro vyhledávání: '"Ewine F. Van Dishoeck"'
Autor:
David A. Neufeld, P. Manoj, Himanshu Tyagi, Mayank Narang, Dan M. Watson, S. Thomas Megeath, Ewine F. Van Dishoeck, Robert A. Gutermuth, Thomas Stanke, Yao-Lun Yang, Adam E. Rubinstein, Guillem Anglada, Henrik Beuther, Alessio Caratti o Garatti, Neal J. Evans II, Samuel Federman, William J. Fischer, Joel Green, Pamela Klaassen, Leslie W. Looney, Mayra Osorio, Pooneh Nazari, John J. Tobin, Łukasz Tychoniec, Scott Wolk
Publikováno v:
The Astrophysical Journal Letters, Vol 966, Iss 2, p L22 (2024)
Using the MIRI medium-resolution spectrometer on JWST, we have detected pure rotational, suprathermal OH emissions from the vicinity of the intermediate-mass protostar HOPS 370 (OMC2/FIR3). These emissions are observed from shocked knots in a jet/out
Externí odkaz:
https://doaj.org/article/37e0b6f0cf5b4c4cb675aeefe7773f5c
Autor:
Mayank Narang, P. Manoj, Himanshu Tyagi, Dan M. Watson, S. Thomas Megeath, Samuel Federman, Adam E. Rubinstein, Robert Gutermuth, Alessio Caratti o Garatti, Henrik Beuther, Tyler L. Bourke, Ewine F. Van Dishoeck, Neal J. Evans II, Guillem Anglada, Mayra Osorio, Thomas Stanke, James Muzerolle, Leslie W. Looney, Yao-Lun Yang, Pamela Klaassen, Nicole Karnath, Prabhani Atnagulov, Nashanty Brunken, William J. Fischer, Elise Furlan, Joel Green, Nolan Habel, Lee Hartmann, Hendrik Linz, Pooneh Nazari, Riwaj Pokhrel, Rohan Rahatgaonkar, Will R. M. Rocha, Patrick Sheehan, Katerina Slavicinska, Amelia M. Stutz, John J. Tobin, Lukasz Tychoniec, Scott Wolk
Publikováno v:
The Astrophysical Journal Letters, Vol 962, Iss 1, p L16 (2024)
Investigating Protostellar Accretion (IPA) is a JWST Cycle 1 GO program that uses NIRSpec integral field units and MIRI Medium Resolution Spectrograph to obtain 2.9–28 μ m spectral cubes of young, deeply embedded protostars with luminosities of 0.
Externí odkaz:
https://doaj.org/article/dfdbf40e59a34686b7118e4faaf594a3
Autor:
Alice S. Booth, Maria N. Drozdovskaya, Milou Temmink, Hideko Nomura, Ewine F. van Dishoeck, Luke Keyte, Charles J. Law, Margot Leemker, Nienke van der Marel, Shota Notsu, Karin Öberg, Catherine Walsh
Publikováno v:
The Astrophysical Journal, Vol 975, Iss 1, p 72 (2024)
Stable isotopic ratios constitute powerful tools for unraveling the thermal and irradiation history of volatiles. In particular, we can use our knowledge of the isotopic fractionation processes active during the various stages of star, disk, and plan
Externí odkaz:
https://doaj.org/article/e2f71c1493b9448690e7b26bc8a15bc7
Autor:
Colette Salyk, Yao-Lun Yang, Klaus M. Pontoppidan, Jennifer B. Bergner, Yuki Okoda, Jaeyeong Kim, Neal J. Evans II, Ilsedore Cleeves, Ewine F. van Dishoeck, Robin T. Garrod, Joel D. Green
Publikováno v:
The Astrophysical Journal, Vol 974, Iss 1, p 97 (2024)
We present James Webb Space Telescope (JWST) Mid-InfraRed Instrument (MIRI) observations of warm CO and H _2 O gas in emission toward the low-mass protostar IRAS 15398-3359, observed as part of the CORINOS program. The CO is detected via the rovibrat
Externí odkaz:
https://doaj.org/article/d3abe9d8d8164d5192df184eee50725a
Autor:
Adam E. Rubinstein, Neal J. Evans II, Himanshu Tyagi, Mayank Narang, Pooneh Nazari, Robert Gutermuth, Samuel Federman, P. Manoj, Joel D. Green, Dan M. Watson, S. Thomas Megeath, Will R. M. Rocha, Nashanty G. C. Brunken, Katerina Slavicinska, Ewine F. van Dishoeck, Henrik Beuther, Tyler L. Bourke, Alessio Caratti o Garatti, Lee Hartmann, Pamela Klaassen, Hendrik Linz, Leslie W. Looney, James Muzerolle, Thomas Stanke, John J. Tobin, Scott J. Wolk, Yao-Lun Yang
Publikováno v:
The Astrophysical Journal, Vol 974, Iss 1, p 112 (2024)
We investigate the bright CO fundamental emission in the central regions of five protostars in their primary mass assembly phase using new observations from JWST’s Near-Infrared Spectrograph and Mid-Infrared Instrument. CO line emission images and
Externí odkaz:
https://doaj.org/article/88875499e1f440799610eb981466f866
Autor:
Brunella Nisini, Maria Gabriela Navarro, Teresa Giannini, Simone Antoniucci, Patrick, J. Kavanagh, Patrick Hartigan, Francesca Bacciotti, Alessio Caratti o Garatti, Alberto Noriega-Crespo, Ewine F. van Dishoeck, Emma T. Whelan, Hector G. Arce, Sylvie Cabrit, Deirdre Coffey, Davide Fedele, Jochen Eislöffel, Maria Elisabetta Palumbo, Linda Podio, Tom P. Ray, Megan Schultze, Riccardo G. Urso, Juan M. Alcalá, Manuel A. Bautista, Claudio Codella, Thomas P. Greene, Carlo F. Manara
Publikováno v:
The Astrophysical Journal, Vol 967, Iss 2, p 168 (2024)
We present the first results of the JWST program PROJECT-J (PROtostellar JEts Cradle Tested with JWST), designed to study the Class I source HH46 IRS and its outflow through NIRSpec and MIRI spectroscopy (1.66–28 μ m). The data provide line images
Externí odkaz:
https://doaj.org/article/84610230e6e14ffbb6392fd794a18661
Autor:
Samuel A. Federman, S. Thomas Megeath, Adam E. Rubinstein, Robert Gutermuth, Mayank Narang, Himanshu Tyagi, P. Manoj, Guillem Anglada, Prabhani Atnagulov, Henrik Beuther, Tyler L. Bourke, Nashanty Brunken, Alessio Caratti o Garatti, Neal J. Evans II, William J. Fischer, Elise Furlan, Joel D. Green, Nolan Habel, Lee Hartmann, Nicole Karnath, Pamela Klaassen, Hendrik Linz, Leslie W. Looney, Mayra Osorio, James Muzerolle Page, Pooneh Nazari, Riwaj Pokhrel, Rohan Rahatgaonkar, Will R. M. Rocha, Patrick Sheehan, Katerina Slavicinska, Thomas Stanke, Amelia M. Stutz, John J. Tobin, Lukasz Tychoniec, Ewine F. Van Dishoeck, Dan M. Watson, Scott Wolk, Yao-Lun Yang
Publikováno v:
The Astrophysical Journal, Vol 966, Iss 1, p 41 (2024)
Investigating Protostellar Accretion is a Cycle 1 JWST program using the NIRSpec+MIRI integral field units to obtain 2.9–28 μ m spectral cubes of five young protostars with luminosities of 0.2–10,000 L _⊙ in their primary accretion phase. This
Externí odkaz:
https://doaj.org/article/e06290ca3a554a0981e03c352197ef13
Publikováno v:
The Astrophysical Journal, Vol 965, Iss 2, p 179 (2024)
The [C ii ] 157.74 μ m fine-structure transition is one of the brightest and most well-studied emission lines in the far-infrared, produced in the interstellar medium (ISM) of galaxies. We study its properties in subparsec-resolution hydrodynamical
Externí odkaz:
https://doaj.org/article/55eb789e53da4164a0fa2694e0c907ff
Autor:
Alice S. Booth, Margot Leemker, Ewine F. van Dishoeck, Lucy Evans, John D. Ilee, Mihkel Kama, Luke Keyte, Charles J. Law, Nienke van der Marel, Hideko Nomura, Shota Notsu, Karin Öberg, Milou Temmink, Catherine Walsh
Publikováno v:
The Astronomical Journal, Vol 167, Iss 4, p 164 (2024)
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:
https://doaj.org/article/923833b4ed6b4f5bb8b3a988ca882efa
Autor:
Alice S. Booth, Milou Temmink, Ewine F. van Dishoeck, Lucy Evans, John D. Ilee, Mihkel Kama, Luke Keyte, Charles J. Law, Margot Leemker, Nienke van der Marel, Hideko Nomura, Shota Notsu, Karin Öberg, Catherine Walsh
Publikováno v:
The Astronomical Journal, Vol 167, Iss 4, p 165 (2024)
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:
https://doaj.org/article/820fe9023fb34b9ba64927191a197539