Zobrazeno 1 - 10
of 234
pro vyhledávání: '"Mundy, Lee"'
We present Atacama Large Millimeter/sub-millimeter Array (ALMA) Cycle-5 observations of HBC 494, as well as calculations of the kinematic and dynamic variables which represent the object's wide-angle bipolar outflows. HBC 494 is a binary FU Orionis t
Externí odkaz:
http://arxiv.org/abs/2401.03282
Autor:
Chen, Che-Yu, Friesen, Rachel, Li, Jialu, Schmiedeke, Anika, Frayer, David, Li, Zhi-Yun, Tobin, John, Looney, Leslie W., Offner, Stella, Mundy, Lee G., Harris, Andrew I., Church, Sarah, Ostriker, Eve C., Pineda, Jaime E., Hsieh, Tien-Hao, Lam, Ka Ho
The internal velocity structure within dense gaseous cores plays a crucial role in providing the initial conditions for star formation in molecular clouds. However, the kinematic properties of dense gas at core scales (~0.01 - 0.1 pc) has not been ex
Externí odkaz:
http://arxiv.org/abs/2312.12504
Autor:
Karim, Ramsey L., Pound, Marc W., Tielens, Alexander G. G. M., Tiwari, Maitraiyee, Bonne, Lars, Wolfire, Mark G., Schneider, Nicola, Kavak, Ümit, Mundy, Lee G., Simon, Robert, Güsten, Rolf, Stutzki, Jürgen, Wyrowski, Friedrich, Honingh, Netty
We investigate the physical structure and conditions of photodissociation regions (PDRs) and molecular gas within the Pillars of Creation in the Eagle Nebula using SOFIA FEEDBACK observations of the [C II] 158 micron line. These observations are velo
Externí odkaz:
http://arxiv.org/abs/2309.14637
Autor:
Leisawitz, David, Bonato, Matteo, Farrah, Duncan, Hyde, T. Tupper, Lee, Aláine, Lovell, Joshua Bennett, Matthews, Brenda, Mundy, Lee G., Nixon, Conor, Pokorny, Petr, Ricketti, Berke V., Savini, Giorgio, Scott, Jeremy, Shivaei, Irene, Spencer, Locke, Su, Kate, Urry, C. Megan, Wilner, David
A space-based far-infrared interferometer could work synergistically with the James Webb Space Telescope (JWST) and the Atacama Large Millimeter Array (ALMA) to revolutionize our understanding of the astrophysical processes leading to the formation o
Externí odkaz:
http://arxiv.org/abs/2308.15632
Autor:
Segura-Cox, Dominique M., Schmiedeke, Anika, Pineda, Jaime E., Stephens, Ian W., Fernández-López, Manuel, Looney, Leslie W., Caselli, Paola, Li, Zhi-Yun, Mundy, Lee G., Kwon, Woojin, Harris, Robert J.
Annular structures, or rings and gaps, in disks around pre-main sequence stars have been detected in abundance towards Class II objects ~1,000,000 years in age. These structures are often interpreted as evidence of planet formation, with planet-mass
Externí odkaz:
http://arxiv.org/abs/2010.03657
In typical environments of star-forming clouds, converging supersonic turbulence generates shock-compressed regions, and can create strongly-magnetized sheet-like layers. Numerical MHD simulations show that within these post-shock layers, dense filam
Externí odkaz:
http://arxiv.org/abs/2004.02898
Autor:
Chen, Che-Yu, Storm, Shaye, Li, Zhi-Yun, Mundy, Lee G., Frayer, David, Li, Jialu, Church, Sarah, Friesen, Rachel, Harris, Andrew I., Looney, Leslie W., Offner, Stella, Ostriker, Eve C., Pineda, Jaime E., Tobin, John, Chen, Hope H. -H.
We present the first results of high-spectral resolution (0.023 km/s) N$_2$H$^+$ observations of dense gas dynamics at core scales (~0.01 pc) using the recently commissioned Argus instrument on the Green Bank Telescope (GBT). While the fitted linear
Externí odkaz:
http://arxiv.org/abs/1909.07997
We use NH3 inversion transitions to trace the dense gas in the NGC 1333 region of the Perseus molecular cloud. NH3(1,1) and NH3(2,2) maps covering an area of 102 square arcminutes at an angular resolution of ~3.7" are produced by combining VLA interf
Externí odkaz:
http://arxiv.org/abs/1904.03359
We present H13CO+ (J=1-0) and HNC (J=1-0) maps of regions in Serpens South, Serpens Main and NGC 1333 containing filaments. We also observe the Serpens regions using H13CN (J=1-0). These dense gas tracer molecular line observations carried out with C
Externí odkaz:
http://arxiv.org/abs/1801.03155
Autor:
Stephens, Ian W., Yang, Haifeng, Li, Zhi-Yun, Looney, Leslie W., Kataoka, Akimasa, Kwon, Woojin, Fernández-López, Manuel, Hull, Charles L. H., Hughes, Meredith, Segura-Cox, Dominique, Mundy, Lee, Crutcher, Richard, Rao, Ramprasad
The mechanism for producing polarized emission from protostellar disks at (sub)millimeter wavelengths is currently uncertain. Classically, polarization is expected from non-spherical grains aligned with the magnetic field. Recently, two alternatives
Externí odkaz:
http://arxiv.org/abs/1710.04670