The Lyman Continuum Escape Fraction of Star-forming Galaxies at $2.4\lesssim z\lesssim3.0$ from UVCANDELS
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2023
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| author | Wang, Xin Teplitz, Harry I. Smith, Brent M. Windhorst, Rogier A. Rafelski, Marc Mehta, Vihang Alavi, Anahita Brammer, Gabriel Colbert, James Grogin, Norman Hathi, Nimish P. Koekemoer, Anton M. Prichard, Laura Scarlata, Claudia Sunnquist, Ben Haro, Pablo Arrabal Conselice, Christopher Gawiser, Eric Guo, Yicheng Hayes, Matthew Jansen, Rolf A. Ji, Zhiyuan Lucas, Ray A. O'Connell, Robert Robertson, Brant Rutkowski, Michael Siana, Brian Vanzella, Eros Ashcraft, Teresa Bagley, Micaela Baronchelli, Ivano Barro, Guillermo Blanche, Alex Broussard, Adam Carleton, Timothy Chartab, Nima Cheng, Yingjie Codoreanu, Alex Cohen, Seth Dai, Y. Sophia Darvish, Behnam Dave, Romeel DeGroot, Laura De Mello, Duilia Dickinson, Mark Emami, Najmeh Ferguson, Henry Ferreira, Leonardo Finkelstein, Keely Finkelstein, Steven Gardner, Jonathan P. Gburek, Timothy Giavalisco, Mauro Grazian, Andrea Gronwall, Caryl Hemmati, Shoubaneh Howell, Justin Iyer, Kartheik Kaviraj, Sugata Kurczynski, Peter Lazar, Ilin MacKenty, John Mantha, Kameswara Bharadwaj Martin, Alec Martin, Garreth McCabe, Tyler Mobasher, Bahram Nedkova, Kalina Olsen, Charlotte Otteson, Lillian Ravindranath, Swara Redshaw, Caleb Sattari, Zahra Soto, Emmaris Yung, L. Y. Aaron Zabelle, Bonnabelle team, the UVCANDELS |
| author_facet | Wang, Xin Teplitz, Harry I. Smith, Brent M. Windhorst, Rogier A. Rafelski, Marc Mehta, Vihang Alavi, Anahita Brammer, Gabriel Colbert, James Grogin, Norman Hathi, Nimish P. Koekemoer, Anton M. Prichard, Laura Scarlata, Claudia Sunnquist, Ben Haro, Pablo Arrabal Conselice, Christopher Gawiser, Eric Guo, Yicheng Hayes, Matthew Jansen, Rolf A. Ji, Zhiyuan Lucas, Ray A. O'Connell, Robert Robertson, Brant Rutkowski, Michael Siana, Brian Vanzella, Eros Ashcraft, Teresa Bagley, Micaela Baronchelli, Ivano Barro, Guillermo Blanche, Alex Broussard, Adam Carleton, Timothy Chartab, Nima Cheng, Yingjie Codoreanu, Alex Cohen, Seth Dai, Y. Sophia Darvish, Behnam Dave, Romeel DeGroot, Laura De Mello, Duilia Dickinson, Mark Emami, Najmeh Ferguson, Henry Ferreira, Leonardo Finkelstein, Keely Finkelstein, Steven Gardner, Jonathan P. Gburek, Timothy Giavalisco, Mauro Grazian, Andrea Gronwall, Caryl Hemmati, Shoubaneh Howell, Justin Iyer, Kartheik Kaviraj, Sugata Kurczynski, Peter Lazar, Ilin MacKenty, John Mantha, Kameswara Bharadwaj Martin, Alec Martin, Garreth McCabe, Tyler Mobasher, Bahram Nedkova, Kalina Olsen, Charlotte Otteson, Lillian Ravindranath, Swara Redshaw, Caleb Sattari, Zahra Soto, Emmaris Yung, L. Y. Aaron Zabelle, Bonnabelle team, the UVCANDELS |
| contents | The UltraViolet Imaging of the Cosmic Assembly Near-infrared Deep Extragalactic Legacy Survey Fields (UVCANDELS) survey is a Hubble Space Telescope (HST) Cycle-26 Treasury Program, allocated in total 164 orbits of primary Wide-Field Camera 3 Ultraviolet and Visible light F275W imaging with coordinated parallel Advanced Camera for Surveys F435W imaging, on four of the five premier extragalactic survey fields: GOODS-N, GOODS-S, EGS, and COSMOS. We introduce this survey by presenting a comprehensive analysis of the absolute escape fraction ($f_{\rm esc}^{\rm abs}$) of Lyman continuum (LyC) radiation through stacking the UV images of a population of star-forming galaxies with secure redshifts at $2.4\leq z\leq3.0$. Our stacking benefits from the catalogs of high-quality spectroscopic redshifts compiled from archival ground-based data and HST slitless spectroscopy, carefully vetted by dedicated visual inspection efforts. We develop a robust stacking method to apply to 10 samples of in total 56 galaxies, and perform detailed Monte Carlo (MC) simulations of the intergalactic medium (IGM) attenuation, to take into account the sample variance of the mean IGM transmission when measuring $f_{\rm esc}^{\rm abs}$. The full stack at $z\approx2.44$ from 28 galaxies places a stringent 1-$σ$ upper limit of $f_{\rm esc}^{\rm abs}\lesssim5\%$, whereas the full stack at $z\approx2.72$ of equal number of galaxies gives an upper limit of $f_{\rm esc}^{\rm abs}\lesssim26\%$ at 1-$σ$ confidence level. These new F275W and F435W imaging mosaics from UVCANDELS have been made publicly available on the Barbara A. Mikulski Archive for Space Telescopes (MAST). |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2308_09064 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | The Lyman Continuum Escape Fraction of Star-forming Galaxies at $2.4\lesssim z\lesssim3.0$ from UVCANDELS Wang, Xin Teplitz, Harry I. Smith, Brent M. Windhorst, Rogier A. Rafelski, Marc Mehta, Vihang Alavi, Anahita Brammer, Gabriel Colbert, James Grogin, Norman Hathi, Nimish P. Koekemoer, Anton M. Prichard, Laura Scarlata, Claudia Sunnquist, Ben Haro, Pablo Arrabal Conselice, Christopher Gawiser, Eric Guo, Yicheng Hayes, Matthew Jansen, Rolf A. Ji, Zhiyuan Lucas, Ray A. O'Connell, Robert Robertson, Brant Rutkowski, Michael Siana, Brian Vanzella, Eros Ashcraft, Teresa Bagley, Micaela Baronchelli, Ivano Barro, Guillermo Blanche, Alex Broussard, Adam Carleton, Timothy Chartab, Nima Cheng, Yingjie Codoreanu, Alex Cohen, Seth Dai, Y. Sophia Darvish, Behnam Dave, Romeel DeGroot, Laura De Mello, Duilia Dickinson, Mark Emami, Najmeh Ferguson, Henry Ferreira, Leonardo Finkelstein, Keely Finkelstein, Steven Gardner, Jonathan P. Gburek, Timothy Giavalisco, Mauro Grazian, Andrea Gronwall, Caryl Hemmati, Shoubaneh Howell, Justin Iyer, Kartheik Kaviraj, Sugata Kurczynski, Peter Lazar, Ilin MacKenty, John Mantha, Kameswara Bharadwaj Martin, Alec Martin, Garreth McCabe, Tyler Mobasher, Bahram Nedkova, Kalina Olsen, Charlotte Otteson, Lillian Ravindranath, Swara Redshaw, Caleb Sattari, Zahra Soto, Emmaris Yung, L. Y. Aaron Zabelle, Bonnabelle team, the UVCANDELS Astrophysics of Galaxies The UltraViolet Imaging of the Cosmic Assembly Near-infrared Deep Extragalactic Legacy Survey Fields (UVCANDELS) survey is a Hubble Space Telescope (HST) Cycle-26 Treasury Program, allocated in total 164 orbits of primary Wide-Field Camera 3 Ultraviolet and Visible light F275W imaging with coordinated parallel Advanced Camera for Surveys F435W imaging, on four of the five premier extragalactic survey fields: GOODS-N, GOODS-S, EGS, and COSMOS. We introduce this survey by presenting a comprehensive analysis of the absolute escape fraction ($f_{\rm esc}^{\rm abs}$) of Lyman continuum (LyC) radiation through stacking the UV images of a population of star-forming galaxies with secure redshifts at $2.4\leq z\leq3.0$. Our stacking benefits from the catalogs of high-quality spectroscopic redshifts compiled from archival ground-based data and HST slitless spectroscopy, carefully vetted by dedicated visual inspection efforts. We develop a robust stacking method to apply to 10 samples of in total 56 galaxies, and perform detailed Monte Carlo (MC) simulations of the intergalactic medium (IGM) attenuation, to take into account the sample variance of the mean IGM transmission when measuring $f_{\rm esc}^{\rm abs}$. The full stack at $z\approx2.44$ from 28 galaxies places a stringent 1-$σ$ upper limit of $f_{\rm esc}^{\rm abs}\lesssim5\%$, whereas the full stack at $z\approx2.72$ of equal number of galaxies gives an upper limit of $f_{\rm esc}^{\rm abs}\lesssim26\%$ at 1-$σ$ confidence level. These new F275W and F435W imaging mosaics from UVCANDELS have been made publicly available on the Barbara A. Mikulski Archive for Space Telescopes (MAST). |
| title | The Lyman Continuum Escape Fraction of Star-forming Galaxies at $2.4\lesssim z\lesssim3.0$ from UVCANDELS |
| topic | Astrophysics of Galaxies |
| url | https://arxiv.org/abs/2308.09064 |