Zobrazeno 1 - 10
of 462
pro vyhledávání: '"TOBIN, JOHN J."'
Autor:
Santamaria-Miranda, Alejandro, de Gregorio-Monsalvo, Itziar, Ohashi, Nagayoshi, Tobin, John J., Sai, Jinshi, Jorgensen, Jes K., Aso, Yusuke, Lin, Zhe-Yu Daniel, Flores, Christian, Kido, Miyu, Koch, Patrick M., Kwon, Woojin, Lee, Chang Won, Li, Zhi-Yun, Looney, Leslie W., Plunkett, Adele L., Takakuwa, Shigehisa, Hoff, Merel L. R van t, Williams, Jonathan P., Yen, Hsi-Wei
Publikováno v:
A&A 690, A46 (2024)
We present the results of the ALMA Large Program Early Planet Formation in Embedded disks observations of the Class 0 protostar GSS30 IRS3. Our observations included 1.3 mm continuum with a resolution of 0.''05 (7.8 au) and several molecular species
Externí odkaz:
http://arxiv.org/abs/2407.20885
Autor:
Gavino, Sacha, Jørgensen, Jes K., Sharma, Rajeeb, Yang, Yao-Lun, Li, Zhi-Yun, Tobin, John J., Ohashi, Nagayoshi, Takakuwa, Shigehisa, Plunkett, Adele, Kwon, Woojin, de Gregorio-Monsalvo, Itziar, Lin, Zhe-Yu Daniel, Santamaría-Miranda, Alejandro, Aso, Yusuke, Sai, Jinshi, Aikawa, Yuri, Tomida, Kengo, Koch, Patrick M., Lee, Jeong-Eun, Lee, Chang Won, Lai, Shih-Ping, Looney, Leslie W., Narayanan, Suchitra, Phuong, Nguyen Thi, Thieme, Travis J., Hoff, Merel L. R. van 't, Willians, Jonathan P., Yen, Hsi-Wei
We present Atacama Large Millimeter/submillimeter Array (ALMA) observations of the binary Class 0 protostellar system BHR 71 IRS1 and IRS2 as part of the Early Planet Formation in Embedded Disks (eDisk) ALMA Large Program. We describe the $^{12}$CO (
Externí odkaz:
http://arxiv.org/abs/2407.17249
Autor:
Sadavoy, Sarah I, Sheehan, Patrick, Tobin, John J., Murillo, Nadia M., Teague, Richard, Stephens, Ian W., Henning, Thomas, Myers, Philip C., Bergin, Edwin A.
Publikováno v:
A&A 687, A308 (2024)
We present ALMA Band 7 molecular line observations of the protostars within the VLA 1623 system. We map C$^{17}$O (3 - 2) in the circumbinary disk around VLA 1623A and the outflow cavity walls of the collimated outflow. We further detect red-shifted
Externí odkaz:
http://arxiv.org/abs/2406.12984
Autor:
Hoff, Merel L. R. van 't, Bergin, Edwin A., Riley, Penelope, Mittal, Sanil, Jørgensen, Jes K., Tobin, John J.
The low carbon content of Earth and primitive meteorites compared to the Sun and interstellar grains suggests that carbon-rich grains were destroyed in the inner few astronomical units of the young solar system. A promising mechanism to selectively d
Externí odkaz:
http://arxiv.org/abs/2405.14820
Autor:
Yen, Hsi-Wei, Williams, Jonathan P., Sai, Jinshi, Koch, Patrick M., Han, Ilseung, Jørgensen, Jes K., Kwon, Woojin, Lee, Chang Won, Li, Zhi-Yun, Looney, Leslie W., Narang, Mayank, Ohashi, Nagayoshi, Takakuwa, Shigehisa, Tobin, John J., de Gregorio-Monsalvo, Itziar, Lai, Shih-Ping, Lee, Jeong-Eun, Tomida, Kengo
The magnetic field of a molecular cloud core may play a role in the formation of circumstellar disks in the core. We present magnetic field morphologies in protostellar cores of 16 targets in the Atacama Large Millimeter/submillimeter Array large pro
Externí odkaz:
http://arxiv.org/abs/2405.09063
Autor:
Slavicinska, Katerina, van Dishoeck, Ewine F., Tychoniec, Łukasz, Nazari, Pooneh, Rubinstein, Adam E., Gutermuth, Robert, Tyagi, Himanshu, Chen, Yuan, Brunken, Nashanty G. C., Rocha, Will R. M., Manoj, P., Narang, Mayank, Megeath, S. Thomas, Yang, Yao-Lun, Looney, Leslie W., Tobin, John J., Beuther, Henrik, Bourke, Tyler L., Linnartz, Harold, Federman, Samuel, Watson, Dan M., Linz, Hendrik
Publikováno v:
A&A 688, A29 (2024)
This work aims to utilize the increased sensitivity and resolution of the JWST to quantify the HDO/H$_{2}$O ratio in ices toward young stellar objects (YSOs) and to determine if the HDO/H$_{2}$O ratios measured in the gas phase toward massive YSOs (M
Externí odkaz:
http://arxiv.org/abs/2404.15399
Autor:
Neufeld, David A., Manoj, P., Tyagi, Himanshu, Narang, Mayank, Watson, Dan M., Megeath, S. Thomas, Van Dishoeck, Ewine F., Gutermuth, Robert A., Stanke, Thomas, Yang, Yao-Lun, Rubinstein, Adam E., Anglada, Guillem, Beuther, Henrik, Garatti, Alessio Caratti o, Evans II, Neal J., Federman, Samuel, Fischer, William J., Green, Joel, Klaassen, Pamela, Looney, Leslie W., Osorio, Mayra, Nazari, Pooneh, Tobin, John J., Tychoniec, Lukasz, Wolk, Scott
Using the MIRI/MRS 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/outflow, and orig
Externí odkaz:
http://arxiv.org/abs/2404.07299
Autor:
Tobin, John J., Sheehan, Patrick D.
The envelopes and disks that surround protostars reflect the initial conditions of star and planet formation and govern the assembly of stellar masses. Characterizing these structures requires observations that span the near-infrared to centimeter wa
Externí odkaz:
http://arxiv.org/abs/2403.15550
Autor:
Encalada, Frankie J., Looney, Leslie W., Takakuwa, Shigehisa, Tobin, John J., Ohashi, Nagayoshi, Jørgensen, Jes K., Li, Zhi-Yun, Aikawa, Yuri, Aso, Yusuke, Koch, Patrick M., Kwon, Woojin, Lai, Shih-Ping, Lee, Chang Won, Lin, Zhe-Yu Daniel, Santamarıa-Miranda, Alejandro, de Gregorio-Monsalvo, Itziar, Phuong, Nguyen Thi, Plunkett, Adele, Sai, Jinshi, Sharma, Rajeeb, Yen, Hsi-Wei, Han, Ilseung
Young protostellar binary systems, with expected ages less than $\sim$10$^5$ years, are little modified since birth, providing key clues to binary formation and evolution. We present a first look at the young, Class 0 binary protostellar system R CrA
Externí odkaz:
http://arxiv.org/abs/2403.14143
Autor:
Huang, Bo, Girart, Josep M., Stephens, Ian W., Fernandez-Lopez, Manuel, Arce, Hector G., Carpenter, John M., Cortes, Paulo, Cox, Erin G., Friesen, Rachel, Gouellec, Valentin J. M. Le, Hull, Charles L. H., Karnath, Nicole, Kwon, Woojin, Li, Zhi-Yun, Looney, Leslie W., Megeath, Tom, Myers, Philip C., Murillo, Nadia M., Pineda, Jaime E., Sadavoy, Sarah, Sanchez-Monge, Alvaro, Sanhueza, Patricio, Tobin, John J., Zhang, Qizhou, Jackson, James M., Segura-Cox, Dominique
Publikováno v:
ApJL, 963:L31, 2024
We present 870 um polarimetric observations toward 61 protostars in the Orion molecular clouds, with ~400 au (1") resolution using the Atacama Large Millimeter/submillimeter Array. We successfully detect dust polarization and outflow emission in 56 p
Externí odkaz:
http://arxiv.org/abs/2402.07267