Zobrazeno 1 - 10
of 33
pro vyhledávání: '"Runnholm, Axel"'
Autor:
Hayes, Matthew J., Tan, Jonathan C., Ellis, Richard S., Young, Alice R., Cammelli, Vieri, Singh, Jasbir, Runnholm, Axel, Saxena, Aayush, Lunnan, Ragnhild, Keller, Benjamin W., Monaco, Pierluigi, Laporte, Nicolas, Melinder, Jens
We report first results from a deep near infrared campaign with the Hubble Space Telescope to obtain late-epoch images of the Hubble Ultra-Deep Field (HUDF), 10-15 years after the first epoch data were obtained. The main objectives are to search for
Externí odkaz:
http://arxiv.org/abs/2403.16138
Autor:
Runnholm, Axel, Hayes, Matthew J., Lin, Yu-Heng, Melinder, Jens, Scarlata, Claudia, Adamo, Angela, Augustin, Ramona, Bik, Arjan, Blaizot, Jérémy, Cannon, John M., Cantalupo, Sebastiano, Garel, Thibault, Gronke, Max, Herenz, Edmund C., Leclercq, Floriane, Östlin, Göran, Peroux, Celine, Rasekh, Armin, Rutkowski, Michael J., Verhamme, Anne, Wisotzki, Lutz
Lyman $\alpha$ (Ly$\alpha$) is now routinely used as a tool for studying high-redshift galaxies and its resonant nature means it can trace neutral hydrogen around star-forming galaxies. Integral field spectrograph measurements of high-redshift Ly$\al
Externí odkaz:
http://arxiv.org/abs/2304.13057
Autor:
Melinder, Jens, Östlin, Göran, Hayes, Matthew, Rasekh, Armin, Mas-Hesse, J. Miguel, Cannon, John M., Kunth, Daniel, Laursen, Peter, Runnholm, Axel, Herenz, E. Christian, Messa, Matteo, Schaerer, Daniel, Verhamme, Anne, Rivera-Thorsen, T. Emil, Guaita, Lucia, Marquart, Thomas, Puschnig, Johannes, Reste, Alexandra Le, Sandberg, Andreas, Freeland, Emily, Bridge, Joanna
We present Ly $\alpha$ imaging of 45 low redshift star-forming galaxies observed with the Hubble Space Telescope. The galaxies have been selected to have moderate to high star formation rates using far-ultraviolet (FUV) luminosity and \ha equivalent
Externí odkaz:
http://arxiv.org/abs/2302.14077
We demonstrate how the stellar and nebular conditions in star-forming galaxies modulate the emission and spectral profile of HI Lya emission line. We examine the net Lya output, kinematics, and in particular emission of blue-shifted Lya radiation, us
Externí odkaz:
http://arxiv.org/abs/2302.04875
Autor:
Rasekh, Armin, Melinder, Jens, Östlin, Göran, Hayes, Matthew, Herenz, Edmund. C., Runnholm, Axel, Kunth, Daniel, Hesse, J. Miguel Mas, Verhamme, Anne, Cannon, John M.
Publikováno v:
A&A 662, A64 (2022)
We use Hubble space telescope data of 45 nearby star-forming galaxies to investigate properties of Lyman-alpha (Ly$\alpha$) halos, Ly$\alpha$ morphology, and the star-forming characteristics of galaxies. We study how the morphology of Ly$\alpha$ emis
Externí odkaz:
http://arxiv.org/abs/2110.01626
Autor:
Östlin, Göran, Rivera-Thorsen, T. Emil, Menacho, Veronica, Hayes, Matthew, Runnholm, Axel, Micheva, Genoveva, Oey, M. S., Adamo, Angela, Bik, Arjan, Cannon, John M., Gronke, Max, Kunth, Daniel, Laursen, Peter, Mas-Hesse, Miguel, Melinde, Jens, Messa, Matteo, Sirressi, Mattia, Smith, Linda
Understanding the escape of ionizing (Lyman continuum) photons from galaxies is vital for determining how galaxies contributed to reionization in the early universe. While directly detecting Lyman continuum from high redshift galaxies is impossible d
Externí odkaz:
http://arxiv.org/abs/2103.15854
Lyman $\alpha$ (Ly$\alpha$) emission from star-forming galaxies is an important tool to study a large range of astrophysical questions: it has the potential to carry information about the source galaxy, its nearby circumgalactic medium, and also the
Externí odkaz:
http://arxiv.org/abs/2010.02927
Publikováno v:
2021ApJ...908...36H
We demonstrate the redshift-evolution of the spectral profile of H i Lyman-alpha (Ly{\alpha}) emission from star-forming galaxies. In this first study we pay special attention to the contribution of blueshifted emission. At redshift z = 2.9-6.6, we c
Externí odkaz:
http://arxiv.org/abs/2006.03232
Autor:
Runnholm, Axel, Hayes, Matthew, Melinder, Jens, Rivera-Thorsen, Emil, Östlin, Göran, Cannon, John, Kunth, Daniel
Understanding the production and escape of Lyman $\alpha$ (Ly$\alpha$) radiation from star-forming galaxies is a long standing problem in astrophysics. The ability to predict the Ly$\alpha$ luminosity of galaxies would open up new ways of exploring t
Externí odkaz:
http://arxiv.org/abs/2002.12378
Publikováno v:
Publications of the Astronomical Society of the Pacific, 2021 Mar 01. 133(1021), 1-12.
Externí odkaz:
https://www.jstor.org/stable/27123851
