Zobrazeno 1 - 10
of 544
pro vyhledávání: '"A. Indriolo"'
Autor:
Obolentseva, M., Ivlev, A. V., Silsbee, K., Neufeld, D. A., Caselli, P., Edenhofer, G., Indriolo, N., Bisbas, T. G., Lomeli, D.
All current estimates of the cosmic-ray (CR) ionization rate rely on assessments of the gas density along the probed sight lines. Until now, these have been based on observations of different tracers, with C$_2$ being the most widely used in diffuse
Externí odkaz:
http://arxiv.org/abs/2408.11511
Autor:
Neufeld, David A., Welty, Daniel E., Ivlev, Alexei V., Caselli, Paola, Edenhofer, Gordian, Indriolo, Nick, Obolentseva, Marta, Silsbee, Kedron, Sonnentrucker, Paule, Wolfire, Mark G.
Newly-computed collisional rate coefficients for the excitation of C$_2$ in collisions with H$_2$, presented recently by Najar and Kalugina (2020), are significantly larger than the values adopted previously in models for the excitation of the C$_2$
Externí odkaz:
http://arxiv.org/abs/2408.11108
Autor:
Li, Jialu, Boogert, Adwin, Barr, Andrew G., DeWitt, Curtis, Rashman, Maisie, Neufeld, David, Indriolo, Nick, Pendleton, Yvonne, Montiel, Edward, Richter, Matt, Chiar, J. E., Tielens, Alexander G. G.
We present in this paper mid-infrared (5-8~$\mu$m) spectroscopy toward the massive young binary W3~IRS~5, using the EXES spectrometer in high-resolution mode ($R\sim$50,000) from the NASA Stratospheric Observatory for Infrared Astronomy (SOFIA). Many
Externí odkaz:
http://arxiv.org/abs/2306.13798
Autor:
Indriolo, Nick
Publikováno v:
ApJ 950 64 (2023)
Supernova remnants act as particle accelerators, providing the cosmic-ray protons that permeate the interstellar medium and initiate the ion-molecule reactions that drive interstellar chemistry. Enhanced fluxes of cosmic-ray protons in close proximit
Externí odkaz:
http://arxiv.org/abs/2303.13689
Autor:
Ginsburg, Adam, McGuire, Brett A., Sanhueza, Patricio, Olguin, Fernando, Maud, Luke T, Tanaka, Kei E. I., Zhang, Yichen, Beuther, Henrik, Indriolo, Nick
Molecular lines tracing the orbital motion of gas in a well-defined disk are valuable tools for inferring both the properties of the disk and the star it surrounds. Lines that arise only from a disk, and not also from the surrounding molecular cloud
Externí odkaz:
http://arxiv.org/abs/2211.02502
Autor:
Jacob, A. M., Neufeld, D. A., Schilke, P., Wiesemeyer, H., Kim, W., Bialy, S., Busch, M., Elia, D., Falgarone, E., Gerin, M., Godard, B., Higgins, R., Hennebelle, P., Indriolo, N., Lis, D. C., Menten, K. M., Sanchez-Monge, A., Ossenkopf-Okada, V., Rugel, M. R., Seifried, D., Sonnentrucker, P., Walch, S., Wolfire, M., Wyrowski, F., Valdivia, V.
The HyGAL SOFIA legacy program surveys six hydride molecules -- ArH+, OH+, H2O+, SH, OH, and CH -- and two atomic constituents -- C+ and O -- within the diffuse interstellar medium (ISM) by means of absorption-line spectroscopy toward 25 bright Galac
Externí odkaz:
http://arxiv.org/abs/2202.05046
Autor:
Barr, Andrew G., Boogert, Adwin, DeWitt, Curtis N., Montiel, Edward, Richter, Matthew J., Lacy, John H., Neufeld, David A., Indriolo, Nick, Pendleton, Yvonne, Chiar, Jean, Tielens, Alexander G. G. M.
We have performed a high resolution 4-13 ${\mu}m$ spectral survey of the hot molecular gas associated with the massive protostars AFGL 2591 and AFGL 2136, utilising the Echelon-Cross-Echelle-Spectrograph (EXES) on-board the Stratospheric Observatory
Externí odkaz:
http://arxiv.org/abs/2007.11266
Autor:
Indriolo, Nick, Neufeld, D. A., Barr, A. G., Boogert, A. C. A., DeWitt, C. N., Karska, A., Montiel, E. J., Richter, M. J., Tielens, A. G. G. M.
Publikováno v:
ApJ 894 (2020) 107
We have observed the massive protostar AFGL 2136 IRS 1 in multiple wavelength windows in the near-to-mid-infrared at high ($\sim3$ km s$^{-1}$) spectral resolution using VLT+CRIRES, SOFIA+EXES, and Gemini North+TEXES. There is an abundance of H$_2$O
Externí odkaz:
http://arxiv.org/abs/2004.05818
Autor:
Padovani, Marco, Ivlev, Alexei V., Galli, Daniele, Offner, Stella S. R., Indriolo, Nick, Rodgers-Lee, Donna, Marcowith, Alexandre, Girichidis, Philipp, Bykov, Andrei M., Kruijssen, J. M. Diederik
In recent years, exciting developments have taken place in the identification of the role of cosmic rays in star-forming environments. Observations from radio to infrared wavelengths and theoretical modelling have shown that low-energy cosmic rays (<
Externí odkaz:
http://arxiv.org/abs/2002.10282
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