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ZTF SN Ia DR2: Overview

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ZTF SN Ia DR2: Overview. / Rigault, M.; Smith, M.; Goobar, A. et al.
In: Astronomy and Astrophysics, Vol. 694, A1, 28.02.2025.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Rigault, M, Smith, M, Goobar, A, Maguire, K, Dimitriadis, G, Johansson, J, Nordin, J, Burgaz, U, Dhawan, S, Sollerman, J, Regnault, N, Kowalski, M, Nugent, P, Andreoni, I, Amenouche, M, Aubert, M, Barjou-Delayre, C, Bautista, J, Bellm, E, Betoule, M, Bloom, JS, Carreres, B, Chen, TX, Copin, Y, Deckers, M, De Jaeger, T, Feinstein, F, Fouchez, D, Fremling, C, Galbany, L, Ginolin, M, Graham, M, Groom, SL, Harvey, L, Kasliwal, MM, Kenworthy, WD, Kim, Y-L, Kuhn, D, Kulkarni, SR, Lacroix, L, Laher, RR, Masci, FJ, Müller-Bravo, TE, Miller, A, Osman, M, Perley, D, Popovic, B, Purdum, J, Qin, Y-J, Racine, B, Reusch, S, Riddle, R, Rosnet, P, Rosselli, D, Ruppin, F, Senzel, R, Rusholme, B, Schweyer, T, Terwel, JH, Townsend, A, Tzanidakis, A, Wold, A & Yan, L 2025, 'ZTF SN Ia DR2: Overview', Astronomy and Astrophysics, vol. 694, A1. https://doi.org/10.1051/0004-6361/202450388

APA

Rigault, M., Smith, M., Goobar, A., Maguire, K., Dimitriadis, G., Johansson, J., Nordin, J., Burgaz, U., Dhawan, S., Sollerman, J., Regnault, N., Kowalski, M., Nugent, P., Andreoni, I., Amenouche, M., Aubert, M., Barjou-Delayre, C., Bautista, J., Bellm, E., ... Yan, L. (2025). ZTF SN Ia DR2: Overview. Astronomy and Astrophysics, 694, Article A1. https://doi.org/10.1051/0004-6361/202450388

Vancouver

Rigault M, Smith M, Goobar A, Maguire K, Dimitriadis G, Johansson J et al. ZTF SN Ia DR2: Overview. Astronomy and Astrophysics. 2025 Feb 28;694:A1. Epub 2025 Feb 14. doi: 10.1051/0004-6361/202450388

Author

Rigault, M. ; Smith, M. ; Goobar, A. et al. / ZTF SN Ia DR2 : Overview. In: Astronomy and Astrophysics. 2025 ; Vol. 694.

Bibtex

@article{4d17c28b839f44238d35879e87df72cd,
title = "ZTF SN Ia DR2: Overview",
abstract = "We present the first homogeneous release of several thousand spectroscopically classified type Ia supernovae (SNe Ia) with spectroscopic redshifts. This release, named “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 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 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 forced-photometry gri-band light curves, 5138 spectra, local and global host properties, observing logs, and a Python tool to facilitate the use and access of these data. The photometric accuracy of DR2 is not yet suited for cosmological parameter inference, which will follow as the “DR2.5” release. We nonetheless demonstrate that our Hubble diagram of several thousands of SNe Ia has a typical 0.15 mag scatter.",
author = "M. Rigault and M. Smith and A. Goobar and K. Maguire and G. Dimitriadis and J. Johansson and J. Nordin and U. Burgaz and S. Dhawan and J. Sollerman and N. Regnault and M. Kowalski and P. Nugent and I. Andreoni and M. Amenouche and M. Aubert and C. Barjou-Delayre and J. Bautista and E. Bellm and M. Betoule and J.S. Bloom and B. Carreres and T.X. Chen and Y. Copin and M. Deckers and {De Jaeger}, T. and F. Feinstein and D. Fouchez and C. Fremling and L. Galbany and M. Ginolin and M. Graham and S.L. Groom and L. Harvey and M.M. Kasliwal and W.D. Kenworthy and Y.-L. Kim and D. Kuhn and S.R. Kulkarni and L. Lacroix and R.R. Laher and F.J. Masci and T.E. M{\"u}ller-Bravo and A. Miller and M. Osman and D. Perley and B. Popovic and J. Purdum and Y.-J. Qin and B. Racine and S. Reusch and R. Riddle and P. Rosnet and D. Rosselli and F. Ruppin and R. Senzel and B. Rusholme and T. Schweyer and J.H. Terwel and A. Townsend and A. Tzanidakis and A. Wold and L. Yan",
year = "2025",
month = feb,
day = "28",
doi = "10.1051/0004-6361/202450388",
language = "English",
volume = "694",
journal = "Astronomy and Astrophysics",
issn = "1432-0746",
publisher = "EDP Sciences",

}

RIS

TY - JOUR

T1 - ZTF SN Ia DR2

T2 - Overview

AU - Rigault, M.

AU - Smith, M.

AU - Goobar, A.

AU - Maguire, K.

AU - Dimitriadis, G.

AU - Johansson, J.

AU - Nordin, J.

AU - Burgaz, U.

AU - Dhawan, S.

AU - Sollerman, J.

AU - Regnault, N.

AU - Kowalski, M.

AU - Nugent, P.

AU - Andreoni, I.

AU - Amenouche, M.

AU - Aubert, M.

AU - Barjou-Delayre, C.

AU - Bautista, J.

AU - Bellm, E.

AU - Betoule, M.

AU - Bloom, J.S.

AU - Carreres, B.

AU - Chen, T.X.

AU - Copin, Y.

AU - Deckers, M.

AU - De Jaeger, T.

AU - Feinstein, F.

AU - Fouchez, D.

AU - Fremling, C.

AU - Galbany, L.

AU - Ginolin, M.

AU - Graham, M.

AU - Groom, S.L.

AU - Harvey, L.

AU - Kasliwal, M.M.

AU - Kenworthy, W.D.

AU - Kim, Y.-L.

AU - Kuhn, D.

AU - Kulkarni, S.R.

AU - Lacroix, L.

AU - Laher, R.R.

AU - Masci, F.J.

AU - Müller-Bravo, T.E.

AU - Miller, A.

AU - Osman, M.

AU - Perley, D.

AU - Popovic, B.

AU - Purdum, J.

AU - Qin, Y.-J.

AU - Racine, B.

AU - Reusch, S.

AU - Riddle, R.

AU - Rosnet, P.

AU - Rosselli, D.

AU - Ruppin, F.

AU - Senzel, R.

AU - Rusholme, B.

AU - Schweyer, T.

AU - Terwel, J.H.

AU - Townsend, A.

AU - Tzanidakis, A.

AU - Wold, A.

AU - Yan, L.

PY - 2025/2/28

Y1 - 2025/2/28

N2 - We present the first homogeneous release of several thousand spectroscopically classified type Ia supernovae (SNe Ia) with spectroscopic redshifts. This release, named “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 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 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 forced-photometry gri-band light curves, 5138 spectra, local and global host properties, observing logs, and a Python tool to facilitate the use and access of these data. The photometric accuracy of DR2 is not yet suited for cosmological parameter inference, which will follow as the “DR2.5” release. We nonetheless demonstrate that our Hubble diagram of several thousands of SNe Ia has a typical 0.15 mag scatter.

AB - We present the first homogeneous release of several thousand spectroscopically classified type Ia supernovae (SNe Ia) with spectroscopic redshifts. This release, named “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 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 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 forced-photometry gri-band light curves, 5138 spectra, local and global host properties, observing logs, and a Python tool to facilitate the use and access of these data. The photometric accuracy of DR2 is not yet suited for cosmological parameter inference, which will follow as the “DR2.5” release. We nonetheless demonstrate that our Hubble diagram of several thousands of SNe Ia has a typical 0.15 mag scatter.

U2 - 10.1051/0004-6361/202450388

DO - 10.1051/0004-6361/202450388

M3 - Journal article

VL - 694

JO - Astronomy and Astrophysics

JF - Astronomy and Astrophysics

SN - 1432-0746

M1 - A1

ER -