Zobrazeno 1 - 10
of 563
pro vyhledávání: '"Zhi-yun Li"'
Autor:
Chin-Fei Lee, Zhi-Yun Li, Tao-Chung Ching, Haifeng Yang, Shih-Ping Lai, Zhe-Yu Daniel Lin, Ying-Chi Hu
Publikováno v:
The Astrophysical Journal Letters, Vol 971, Iss 1, p L23 (2024)
The HH 111 protostellar disk has recently been found to host a pair of spiral arms. Here we report the dust polarization results in the disk as well as the inner envelope around it, obtained with the Atacama Large Millimeter/submillimeter Array in co
Externí odkaz:
https://doaj.org/article/9009eaa5c3f242e2b4ecf9923e848ff0
Autor:
Bo Huang, Josep M. Girart, Ian W. Stephens, Manuel Fernández López, Hector G. Arce, John M. Carpenter, Paulo Cortes, Erin G. Cox, Rachel Friesen, Valentin J. M. Le Gouellec, Charles L. H. Hull, Nicole Karnath, Woojin Kwon, Zhi-Yun Li, Leslie W. Looney, S. Thomas Megeath, Philip C. Myers, Nadia M. Murillo, Jaime E. Pineda, Sarah Sadavoy, Álvaro Sánchez-Monge, Patricio Sanhueza, John J. Tobin, Qizhou Zhang, James M. Jackson, Dominique Segura-Cox
Publikováno v:
The Astrophysical Journal Letters, Vol 963, Iss 1, p L31 (2024)
We present 870 μ m 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
Externí odkaz:
https://doaj.org/article/27821c721aab45a69205e8b99dab64a1
Autor:
Sacha Gavino, Jes K. Jørgensen, Rajeeb Sharma, Yao-Lun Yang, Zhi-Yun Li, John J. Tobin, Nagayoshi Ohashi, Shigehisa Takakuwa, Adele L. Plunkett, Woojin Kwon, Itziar de Gregorio-Monsalvo, Zhe-Yu Daniel Lin, Alejandro Santamaría-Miranda, Yusuke Aso, Jinshi Sai, Yuri Aikawa, Kengo Tomida, Patrick M. Koch, Jeong-Eun Lee, Chang Won Lee, Shih-Ping Lai, Leslie W. Looney, Suchitra Narayanan, Nguyen Thi Phuong, Travis J. Thieme, Merel L. R. van ’t Hoff, Jonathan P. Williams, Hsi-Wei Yen
Publikováno v:
The Astrophysical Journal, Vol 974, Iss 1, p 21 (2024)
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 ( J
Externí odkaz:
https://doaj.org/article/d18d63624d6f4a6697c95ee18b7d140e
Autor:
Dennis Lee, Che-Yu Chen, Giles Novak, David T. Chuss, Erin G. Cox, Kaitlyn Karpovich, Peter Ashton, Marc Berthoud, Zhi-Yun Li, Joseph M. Michail
Publikováno v:
The Astrophysical Journal, Vol 972, Iss 1, p 102 (2024)
The polarization spectrum, or wavelength dependence of the polarization fraction, of interstellar dust emission provides important insights into the grain alignment mechanism of interstellar dust grains. We investigate the far-infrared polarization s
Externí odkaz:
https://doaj.org/article/87b78991ccdb49e5a892e95d6eace445
Autor:
Hsi-Wei Yen, Jonathan P. Williams, Jinshi Sai, Patrick M. Koch, Ilseung Han, Jes K. Jørgensen, Woojin Kwon, Chang Won Lee, Zhi-Yun Li, Leslie W. Looney, Mayank Narang, Nagayoshi Ohashi, Shigehisa Takakuwa, John J. Tobin, Itziar de Gregorio-Monsalvo, Shih-Ping Lai, Jeong-Eun Lee, Kengo Tomida
Publikováno v:
The Astrophysical Journal, Vol 969, Iss 2, p 125 (2024)
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:
https://doaj.org/article/0630e4d7e60845ac8bcd71d44908dde5
Autor:
Rachel E. Harrison, Zhe-Yu Daniel Lin, Leslie W. Looney, Zhi-Yun Li, Haifeng Yang, Ian W. Stephens, Manuel Fernández-López
Publikováno v:
The Astrophysical Journal, Vol 967, Iss 1, p 40 (2024)
Millimeter and submillimeter observations of continuum linear dust polarization provide insight into dust grain growth in protoplanetary disks, which are the progenitors of planetary systems. We present the results of the first survey of dust polariz
Externí odkaz:
https://doaj.org/article/7bd5e9952ed24c4f91dbaa42b1f3293a
Autor:
Junhao Liu, Qizhou Zhang, Yuxin Lin, Keping Qiu, Patrick M. Koch, Hauyu Baobab Liu, Zhi-Yun Li, Josep Miquel Girart, Thushara G. S. Pillai, Shanghuo Li, Huei-Ru Vivien Chen, Tao-Chung Ching, Paul T. P. Ho, Shih-Ping Lai, Ramprasad Rao, Ya-Wen Tang, Ke Wang
Publikováno v:
The Astrophysical Journal, Vol 966, Iss 1, p 120 (2024)
We have comprehensively studied the multiscale physical properties of the massive infrared dark cloud G28.34 (the Dragon cloud) with dust polarization and molecular line data from Planck, FCRAO-14 m, James Clerk Maxwell Telescope, and Atacama Large M
Externí odkaz:
https://doaj.org/article/a72b31ac53464e579a8f8f9638de0b88
Autor:
Frankie J. Encalada, Leslie W. Looney, Shigehisa Takakuwa, John J. Tobin, Nagayoshi Ohashi, Jes K. Jørgensen, Zhi-Yun Li, Yuri Aikawa, Yusuke Aso, Patrick M. Koch, Woojin Kwon, Shih-Ping Lai, Chang Won Lee, Zhe-Yu Daniel Lin, Alejandro Santamaría-Miranda, Itziar de Gregorio-Monsalvo, Nguyen Thi Phuong, Adele Plunkett, Jinshi Sai (Insa Choi), Rajeeb Sharma, Hsi-Wei Yen, Ilseung Han
Publikováno v:
The Astrophysical Journal, Vol 966, Iss 1, p 32 (2024)
Young protostellar binary systems, with expected ages less than ∼10 ^5 yr, 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 IRAS 3
Externí odkaz:
https://doaj.org/article/43ba4f94728f4d0b995e68ec2f336259
Autor:
Rachel K. Friesen, Tyler L. Bourke, Paola Caselli, James Di Francesco, Zhi-Yun Li, Jaime E. Pineda
Publikováno v:
The Astrophysical Journal, Vol 965, Iss 2, p 165 (2024)
We present new Atacama Large Millimeter/submillimeter Array (ALMA) continuum and NH _2 D, N _2 D ^+ , and H _2 D ^+ line emission at matched, ∼100 au resolution toward the dense star-forming cores SM1N and N6 within the Ophiuchus molecular cloud. W
Externí odkaz:
https://doaj.org/article/72813030fbd34d61819e904f94c1313a
Autor:
Shigehisa Takakuwa, Kazuya Saigo, Miyu Kido, Nagayoshi Ohashi, John J. Tobin, Jes K. Jørgensen, Yuri Aikawa, Yusuke Aso, Sacha Gavino, Ilseung Han, Patrick M. Koch, Woojin Kwon, Chang Won Lee, Jeong-Eun Lee, Zhi-Yun Li, Zhe-Yu Daniel Lin, Leslie W. Looney, Shoji Mori, Jinshi Sai (Insa Choi), Rajeeb Sharma, Patrick D. Sheehan, Kengo Tomida, Jonathan P. Williams, Yoshihide Yamato, Hsi-Wei Yen
Publikováno v:
The Astrophysical Journal, Vol 964, Iss 1, p 24 (2024)
We performed radiative transfer calculations and observing simulations to reproduce the 1.3 mm dust-continuum and C ^18 O (2–1) images in the Class I protostar R CrA IRS7B-a, observed with the ALMA Large Program “Early Planet Formation in Embedde
Externí odkaz:
https://doaj.org/article/2b2b8435a6ce4803a299beabde8f2564