Zobrazeno 1 - 10
of 18
pro vyhledávání: '"Malgorzata Siudek"'
Publikováno v:
The Astrophysical Journal Letters, Vol 966, Iss 2, p L30 (2024)
We report for the first time a sample of 12 supermassive black holes (SMBHs) hosted by low-mass galaxies at cosmic noon, i.e., in a redshift range consistent with the peak of star formation history: z ∼ 1–3. These black holes are 2 orders of magn
Externí odkaz:
https://doaj.org/article/ac0c17d5752049bbb7662add9f46ee02
Autor:
Hu Zou, Jipeng Sui, Amélie Saintonge, Dirk Scholte, John Moustakas, Malgorzata Siudek, Arjun Dey, Stephanie Juneau, Weijian Guo, Rebecca Canning, J. Aguilar, S. Ahlen, D. Brooks, T. Claybaugh, K. Dawson, A. de la Macorra, P. Doel, J. E. Forero-Romero, S. Gontcho A Gontcho, K. Honscheid, M. Landriau, L. Le Guillou, M. Manera, A. Meisner, R. Miquel, Jundan Nie, C. Poppett, M. Rezaie, G. Rossi, E. Sanchez, M. Schubnell, H. Seo, G. Tarlé, Zhimin Zhou, Siwei Zou
Publikováno v:
The Astrophysical Journal, Vol 961, Iss 2, p 173 (2024)
Extremely metal-poor galaxies (XMPGs) at relatively low redshift are excellent laboratories for studying galaxy formation and evolution in the early universe. Much effort has been spent on identifying them from large-scale spectroscopic surveys or sp
Externí odkaz:
https://doaj.org/article/dad8a638fd0b498a89b65abe7d01ff07
Publikováno v:
The Astrophysical Journal Letters, Vol 943, Iss 1, p L5 (2023)
Supermassive black holes (SMBHs) are thought to originate from early universe seed black holes of mass M _BH ∼ 10 ^2 –10 ^5 M _⊙ and grown through cosmic time. Such seeds could be powering the active galactic nuclei (AGN) found in today’s dwa
Externí odkaz:
https://doaj.org/article/cfad7f22337041568315759ba2c802ff
Autor:
Carlos Allende Prieto, David S. Aguado, Jonay I. González Hernández, Rafael Rebolo, Joan Najita, Christopher J. Manser, Constance Rockosi, Zachary Slepian, Mar Mezcua, Monica Valluri, Rana Ezzeddine, Sergey E. Koposov, Andrew P. Cooper, Arjun Dey, Boris T. Gänsicke, Ting S. Li, Katia Cunha, Siwei Zou, Jessica Nicole Aguilar, Steven Ahlen, David Brooks, Todd Claybaugh, Shaun Cole, Sarah Eftekharzadeh, Kevin Fanning, Jaime Forero-Romero, Satya Gontcho A Gontcho, Klaus Honscheid, Pascale Jablonka, Robert Kehoe, Theodore Kisner, Martin Landriau, Axel de la Macorra, Aaron Meisner, Ramón Miquel, John Moustakas, Jundan Nie, Claire Poppett, Francisco Prada, Mehdi Rezaie, Graziano Rossi, Eusebio Sánchez, Michael Schubnell, Ray Sharples, Malgorzata Siudek, Verne V. Smith, Gregory Tarlé, Fiorenzo Vincenzo, Benjamin Alan Weaver, Zhimin Zhou, Hu Zou
Publikováno v:
The Astrophysical Journal, Vol 957, Iss 2, p 76 (2023)
The observations from the Dark Energy Spectroscopic Instrument (DESI) will significantly increase the numbers of known extremely metal-poor stars by a factor of ∼10, improving the sample statistics to study the early chemical evolution of the Milky
Externí odkaz:
https://doaj.org/article/f8ae4b04a7394e6fa3dcda873efa51aa
Autor:
ChangHoon Hahn, K. J. Kwon, Rita Tojeiro, Malgorzata Siudek, Rebecca E. A. Canning, Mar Mezcua, Jeremy L. Tinker, David Brooks, Peter Doel, Kevin Fanning, Enrique Gaztañaga, Robert Kehoe, Martin Landriau, Aaron Meisner, John Moustakas, Claire Poppett, Gregory Tarle, Benjamin Weiner, Hu Zou
Publikováno v:
The Astrophysical Journal, Vol 945, Iss 1, p 16 (2023)
The PRObabilistic Value-added Bright Galaxy Survey (PROVABGS) catalog will provide measurements of galaxy properties, such as stellar mass ( M _* ), star formation rate (SFR), stellar metallicity ( Z ), and stellar age ( t _age ), for >10 million gal
Externí odkaz:
https://doaj.org/article/031b60c5ad6a4c26bdc21f8431bf68e0
Autor:
Pablo Renard, Malgorzata Siudek, Martin B Eriksen, Laura Cabayol, Zheng Cai, Jorge Carretero, Ricard Casas, Francisco J Castander, Enrique Fernandez, Juan García-Bellido, Enrique Gaztanaga, Henk Hoekstra, Benjamin Joachimi, Ramon Miquel, David Navarro-Girones, Cristóbal Padilla, Eusebio Sanchez, Santiago Serrano, Pau Tallada-Crespí, Juan De Vicente, Anna Wittje, Angus H Wright
Publikováno v:
Astrophysics of Galaxies
Monthly Notices of the Royal Astronomical Society, 515(1), 146-166
Monthly Notices of the Royal Astronomical Society, 515(1), 146-166
The D4000 spectral break index is one of the most important features in the visible spectrum, as it is a proxy for stellar ages and is also used in galaxy classification. However, its direct measurement has always been reserved to spectroscopy. Here,
Autor:
Abdolhosein Hashemizadeh, Simon P Driver, Luke J M Davies, Aaron S G Robotham, Sabine Bellstedt, Caroline Foster, Benne W Holwerda, Matt Jarvis, Steven Phillipps, Malgorzata Siudek, Jessica E Thorne, Rogier A Windhorst, Christian Wolf
Publikováno v:
Monthly Notices of the Royal Astronomical Society. 515:1175-1198
We present a complete structural analysis of the ellipticals (E), diffuse bulges (dB), compact bulges (cB), and discs (D) within a redshift range 0 < z < 1, and stellar mass log10(M*/M⊙) ≥ 9.5 volume-limited sample drawn from the combined DEVILS
Supermassive black holes (SMBHs) are thought to originate from early Universe seed black holes of mass $M_\mathrm{BH} \sim 10^2$-10$^5$ M$_{\odot}$ and grown through cosmic time. Such seeds could be powering the active galactic nuclei (AGN) found in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5ad25b80263001c31358014c47c140dc
http://arxiv.org/abs/2212.14057
http://arxiv.org/abs/2212.14057
Autor:
ChangHoon Hahn, K. J. Kwon, Rita Tojeiro, Malgorzata Siudek, Rebecca E. A. Canning, Mar Mezcua, Jeremy L. Tinker, David Brooks, Peter Doel, Kevin Fanning, Enrique Gaztañaga, Robert Kehoe, Martin Landriau, Aaron Meisner, John Moustakas, Claire Poppett, Gregory Tarle, Benjamin Weiner, Hu Zou
The PRObabilistic Value-Added Bright Galaxy Survey (PROVABGS) catalog will provide measurements of galaxy properties, such as stellar mass ($M_*$), star formation rate (${\rm SFR}$), stellar metallicity ($Z_{\rm MW}$), and stellar age ($t_{\rm age, M
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f06dd8ac413d6fa6098ece6ec1c5f0b0
http://arxiv.org/abs/2202.01809
http://arxiv.org/abs/2202.01809
Autor:
Jessica E Thorne, Aaron S G Robotham, Sabine Bellstedt, Luke J M Davies, Robin H W Cook, Luca Cortese, Benne Holwerda, Steven Phillipps, Malgorzata Siudek
Gas-phase metallicities of galaxies are typically measured through auroral or nebular emission lines, but metallicity also leaves an imprint on the overall spectral energy distribution (SED) of a galaxy and can be estimated through SED fitting. We us
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cdfb3d1f410b5dff208294da0d040054