ZTF SN Ia DR2: Overview
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arXiv
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| Format: | Preprint |
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2024
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| author | Rigault, Mickael Smith, Mathew Goobar, Ariel Maguire, Kate Dimitriadis, Georgios Burgaz, Umut Dhawan, Suhail Sollerman, Jesper Regnault, Nicolas Kowalski, Marek Amenouche, Melissa Aubert, Marie Barjou-Delayre, Chloé Bautista, Julian Bloom, Josh S. Carreres, Bastien Chen, Tracy X. Copin, Yannick Deckers, Maxime Fouchez, Dominique Fremling, Christoffer Galbany, Lluis Ginolin, Madeleine Graham, Matthew Kasliwal, Mancy M. Kenworthy, W. D'Arcy Kim, Young-Lo Kuhn, Dylan Masci, Frank F. Müller-Bravo, Tomas Miller, Adam Johansson, Joel Nordin, Jakob Nugent, Peter Andreoni, Igor Bellm, Eric Betoule, Marc Osman, Mahmoud Perley, Dan Popovic, Brodie Rosnet, Philippe Rosselli, Damiano Ruppin, Florian Senzel, Robert Rusholme, Ben Schweyer, Tassilo Terwel, Jacco H. Townsend, Alice Tzanidakis, Andy Wold, Avery Purdum, Josiah Qin, Yu-Jing Racine, Benjamin Reusch, Simeon Riddle, Reed Yan, Lin |
| author_facet | Rigault, Mickael Smith, Mathew Goobar, Ariel Maguire, Kate Dimitriadis, Georgios Burgaz, Umut Dhawan, Suhail Sollerman, Jesper Regnault, Nicolas Kowalski, Marek Amenouche, Melissa Aubert, Marie Barjou-Delayre, Chloé Bautista, Julian Bloom, Josh S. Carreres, Bastien Chen, Tracy X. Copin, Yannick Deckers, Maxime Fouchez, Dominique Fremling, Christoffer Galbany, Lluis Ginolin, Madeleine Graham, Matthew Kasliwal, Mancy M. Kenworthy, W. D'Arcy Kim, Young-Lo Kuhn, Dylan Masci, Frank F. Müller-Bravo, Tomas Miller, Adam Johansson, Joel Nordin, Jakob Nugent, Peter Andreoni, Igor Bellm, Eric Betoule, Marc Osman, Mahmoud Perley, Dan Popovic, Brodie Rosnet, Philippe Rosselli, Damiano Ruppin, Florian Senzel, Robert Rusholme, Ben Schweyer, Tassilo Terwel, Jacco H. Townsend, Alice Tzanidakis, Andy Wold, Avery Purdum, Josiah Qin, Yu-Jing Racine, Benjamin Reusch, Simeon Riddle, Reed Yan, Lin |
| contents | We present the first homogeneous release of several thousand Type Ia supernovae (SNe Ia), all having spectroscopic classification, and spectroscopic redshifts for half the sample. This release, named the "DR2", contains 3628 nearby (z < 0.3) SNe Ia discovered, followed and classified by the Zwicky Transient Facility survey between March 2018 and December 2020. Of these, 3000 have good-to-excellent sampling and 2667 pass standard cosmology light-curve quality cuts. This release is thus the largest SN Ia release to date, increasing by an order of magnitude the number of well characterized low-redshift objects. With the "DR2", we also provide a volume-limited (z < 0.06) sample of nearly a thousand SNe Ia. With such a large, homogeneous and well controlled dataset, we are studying key current questions on SN cosmology, such as the linearity SNe Ia standardization, the SN and host dependencies, the diversity of the SN Ia population, and the accuracy of the current light-curve modeling. These, and more, are studied in detail in a series of articles associated with this release. Alongside the SN Ia parameters, we publish our force-photometry gri-band light curves, 5138 spectra, local and global host properties, observing logs, and a python tool to ease use and access of these data. The photometric accuracy of the "DR2" is not yet suited for cosmological parameter inference, which will follow as "DR2.5" release. We nonetheless demonstrate that the multi-thousand SN Ia Hubble Diagram has a typical 0.15 mag scatter. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2409_04346 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | ZTF SN Ia DR2: Overview Rigault, Mickael Smith, Mathew Goobar, Ariel Maguire, Kate Dimitriadis, Georgios Burgaz, Umut Dhawan, Suhail Sollerman, Jesper Regnault, Nicolas Kowalski, Marek Amenouche, Melissa Aubert, Marie Barjou-Delayre, Chloé Bautista, Julian Bloom, Josh S. Carreres, Bastien Chen, Tracy X. Copin, Yannick Deckers, Maxime Fouchez, Dominique Fremling, Christoffer Galbany, Lluis Ginolin, Madeleine Graham, Matthew Kasliwal, Mancy M. Kenworthy, W. D'Arcy Kim, Young-Lo Kuhn, Dylan Masci, Frank F. Müller-Bravo, Tomas Miller, Adam Johansson, Joel Nordin, Jakob Nugent, Peter Andreoni, Igor Bellm, Eric Betoule, Marc Osman, Mahmoud Perley, Dan Popovic, Brodie Rosnet, Philippe Rosselli, Damiano Ruppin, Florian Senzel, Robert Rusholme, Ben Schweyer, Tassilo Terwel, Jacco H. Townsend, Alice Tzanidakis, Andy Wold, Avery Purdum, Josiah Qin, Yu-Jing Racine, Benjamin Reusch, Simeon Riddle, Reed Yan, Lin Cosmology and Nongalactic Astrophysics High Energy Astrophysical Phenomena We present the first homogeneous release of several thousand Type Ia supernovae (SNe Ia), all having spectroscopic classification, and spectroscopic redshifts for half the sample. This release, named the "DR2", contains 3628 nearby (z < 0.3) SNe Ia discovered, followed and classified by the Zwicky Transient Facility survey between March 2018 and December 2020. Of these, 3000 have good-to-excellent sampling and 2667 pass standard cosmology light-curve quality cuts. This release is thus the largest SN Ia release to date, increasing by an order of magnitude the number of well characterized low-redshift objects. With the "DR2", we also provide a volume-limited (z < 0.06) sample of nearly a thousand SNe Ia. With such a large, homogeneous and well controlled dataset, we are studying key current questions on SN cosmology, such as the linearity SNe Ia standardization, the SN and host dependencies, the diversity of the SN Ia population, and the accuracy of the current light-curve modeling. These, and more, are studied in detail in a series of articles associated with this release. Alongside the SN Ia parameters, we publish our force-photometry gri-band light curves, 5138 spectra, local and global host properties, observing logs, and a python tool to ease use and access of these data. The photometric accuracy of the "DR2" is not yet suited for cosmological parameter inference, which will follow as "DR2.5" release. We nonetheless demonstrate that the multi-thousand SN Ia Hubble Diagram has a typical 0.15 mag scatter. |
| title | ZTF SN Ia DR2: Overview |
| topic | Cosmology and Nongalactic Astrophysics High Energy Astrophysical Phenomena |
| url | https://arxiv.org/abs/2409.04346 |