Zobrazeno 1 - 10
of 34
pro vyhledávání: '"Behrens, Erica A."'
Autor:
Behrens, Erica, Mangum, Jeffrey G., Viti, Serena, Holdship, Jonathan, Huang, Ko-Yun, Bouvier, Mathilde, Butterworth, Joshua, Eibensteiner, Cosima, Harada, Nanase, Martin, Sergio, Sakamoto, Kazushi, Muller, Sebastien, Tanaka, Kunihiko, Colzi, Laura, Henkel, Christian, Meier, David S., Rivilla, Victor M., van der Werf, Paul P.
We use a neural network model and ALMA observations of HCN and HNC to constrain the physical conditions, most notably the cosmic-ray ionization rate (CRIR, zeta), in the Central Molecular Zone (CMZ) of the starburst galaxy NGC 253. Using output from
Externí odkaz:
http://arxiv.org/abs/2409.13821
Autor:
Tanaka, Kunihiko, Mangum, Jeffrey G., Viti, Serena, Martin, Sergio, Harada, Nanase, Sakamoto, Kazushi, Muller, Sebastien, Yoshimura, Yuki, Nakanishi, Kouichiro, Illana, Ruben Herrero, Emig, Kimberly L., Muhle, S., Kaneko, Hiroyuki, Tosaki, Tomoka, Behrens, Erica, Rivilla, Victor M., Colzi, Laura, Nishimura, Yuri, Humire, P. K., Bouvier, Mathilde, Huang, Ko-Yun, Butterworth, Joshua, Meier, David S., van der Werf, Paul P.
We present a spatially-resolved excitation analysis for the central molecular zone (CMZ) of the starburst galaxy NGC 253 using the data from the ALMA Large program ALCHEMI, whereby we explore parameters distinguishing NGC 253 from the quiescent Milky
Externí odkaz:
http://arxiv.org/abs/2311.12106
Autor:
Behrens, Erica, Mangum, Jeffrey G., Holdship, Jonathan, Viti, Serena, Harada, Nanase, Martin, Sergio, Sakamoto, Kazushi, Muller, Sebastien, Tanaka, Kunihiko, Nakanishi, Kouichiro, Herrero-Illana, Ruben, Yoshimura, Yuki, Aladro, Rebeca, Colzi, Laura, Emig, Kimberly L., Henkel, Christian, Huang, Ko-Yun, Humire, P. K., Meier, David S., Rivilla, Victor M.
We analyze HCN and HNC emission in the nearby starburst galaxy NGC 253 to investigate its effectiveness in tracing heating processes associated with star formation. This study uses multiple HCN and HNC rotational transitions observed using ALMA via t
Externí odkaz:
http://arxiv.org/abs/2209.06244
Autor:
Holdship, Jonathan, Mangum, Jeffrey G., Viti, Serena, Behrens, Erica, Harada, Nanase, Martín, Sergio, Sakamoto, Kazushi, Muller, Sebastien, Tanaka, Kunihiko, Nakanishi, Kouichiro, Herrero-Illana, Rubén, Yoshimura, Yuki, Aladro, Rebeca, Colzi, Laura, Emig, Kimberly L., Henkel, Christian, Nishimura, Yuri, Rivilla, Víctor M., van der Werf, Paul P.
The cosmic ray ionization rate (CRIR) is a key parameter in understanding the physical and chemical processes in the interstellar medium. Cosmic rays are a significant source of energy in star formation regions, which impacts the physical and chemica
Externí odkaz:
http://arxiv.org/abs/2204.03668
Autor:
Cronin, Serena A., Utomo, Dyas, Leroy, Adam K., Behrens, Erica A., Chastenet, Jeremy, Holland-Ashford, Tyler, Koch, Eric W., Lopez, Laura A., Sandstrom, Karin M., Williams, Thomas G.
We characterize the local (2-kpc sized) environments of Type Ia, II, and Ib/c supernovae (SNe) that have recently occurred in nearby ($d\lesssim50$ Mpc) galaxies. Using ultraviolet (UV, from GALEX) and infrared (IR, from WISE) maps of 359 galaxies an
Externí odkaz:
http://arxiv.org/abs/2109.07453
Autor:
Harada, Nanase, Martín, Sergio, Mangum, Jeffrey G., Sakamoto, Kazushi, Muller, Sebastien, Tanaka, Kunihiko, Nakanishi, Kouichiro, Herrero-Illana, Rubén, Yoshimura, Yuki, Mühle, Stefanie, Aladro, Rebeca, Colzi, Laura, Rivilla, Víctor M., Aalto, Susanne, Behrens, Erica, Henkel, Christian, Holdship, Jonathan, Humire, P. K., Meier, David S., Nishimura, Yuri, van der Werf, Paul P., Viti, Serena
Molecular abundances are sensitive to UV-photon flux and cosmic-ray ionization rate. In starburst environments, the effects of high-energy photons and particles are expected to be stronger. We examine these astrochemical signatures through multiple t
Externí odkaz:
http://arxiv.org/abs/2109.06476
Autor:
Leroy, Adam K., Schinnerer, Eva, Hughes, Annie, Rosolowsky, Erik, Pety, Jérôme, Schruba, Andreas, Usero, Antonio, Blanc, Guillermo A., Chevance, Mélanie, Emsellem, Eric, Faesi, Christopher M., Herrera, Cinthya N., Liu, Daizhong, Meidt, Sharon E., Querejeta, Miguel, Saito, Toshiki, Sandstrom, Karin M., Sun, Jiayi, Williams, Thomas G., Anand, Gagandeep S., Barnes, Ashley T., Behrens, Erica A., Belfiore, Francesco, Benincasa, Samantha M., Bešlić, Ivana, Bigiel, Frank, Bolatto, Alberto D., Brok, Jakob S. den, Cao, Yixian, Chandar, Rupali, Chastenet, Jérémy, Chiang, I-Da, Congiu, Enrico, Dale, Daniel A., Deger, Sinan, Eibensteiner, Cosima, Egorov, Oleg V., García-Rodríguez, Axel, Glover, Simon C. O., Grasha, Kathryn, Henshaw, Jonathan D., Ho, I-Ting, Kepley, Amanda A., Kim, Jaeyeon, Klessen, Ralf S., Kreckel, Kathryn, Koch, Eric W., Kruijssen, J. M. Diederik, Larson, Kirsten L., Lee, Janice C., Lopez, Laura A., Machado, Josh, Mayker, Ness, McElroy, Rebecca, Murphy, Eric J., Ostriker, Eve C., Pan, Hsi-An, Pessa, Ismael, Puschnig, Johannes, Razza, Alessandro, Sánchez-Blázquez, Patricia, Santoro, Francesco, Sardone, Amy, Scheuermann, Fabian, Sliwa, Kazimierz, Sormani, Mattia C., Stuber, Sophia K., Thilker, David A., Turner, Jordan A., Utomo, Dyas, Watkins, Elizabeth J., Whitmore, Bradley
We present PHANGS-ALMA, the first survey to map CO J=2-1 line emission at ~1" ~ 100pc spatial resolution from a representative sample of 90 nearby (d<~20 Mpc) galaxies that lie on or near the z=0 "main sequence" of star-forming galaxies. CO line emis
Externí odkaz:
http://arxiv.org/abs/2104.07739
Autor:
Chen, Che-Yu, Behrens, Erica A., Washington, Jasmin E., Fissel, Laura M., Friesen, Rachel K., Li, Zhi-Yun, Pineda, Jaime E., Ginsburg, Adam, Kirk, Helen, Scibelli, Samantha, Alves, Felipe, Redaelli, Elena, Caselli, Paola, Punanova, Anna, Di Francesco, James, Rosolowsky, Erik, Offner, Stella S. R., Martin, Peter G., Chacón-Tanarro, Ana, Chen, Hope H. -H., Chen, Michael C. -Y., Keown, Jared, Seo, Youngmin, Shirley, Yancy, Arce, Hector G., Goodman, Alyssa A., Matzner, Christopher D., Myers, Philip C., Singh, Ayushi
The role played by magnetic field during star formation is an important topic in astrophysics. We investigate the correlation between the orientation of star-forming cores (as defined by the core major axes) and ambient magnetic field directions in 1
Externí odkaz:
http://arxiv.org/abs/2003.11033
Autor:
Leroy, Adam K., Sandstrom, Karin M., Lang, Dustin, Lewis, Alexia, Salim, Samir, Behrens, Erica A., Chastenet, Jérémy, Chiang, I-Da, Gallagher, Molly J., Kessler, Sarah, Utomo, Dyas
Publikováno v:
The Astrophysical Journal Supplement Series, 244:24 (39pp), 2019 October
We present an atlas of ultraviolet and infrared images of ~15,750 local (d < 50 Mpc) galaxies, as observed by NASA's WISE and GALEX missions. These maps have matched resolution (FWHM 7.5'' and 15''), matched astrometry, and a common procedure for bac
Externí odkaz:
http://arxiv.org/abs/1910.13470
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