The Farmer: A Reproducible Profile-fitting Photometry Package for Deep Galaxy Surveys
While space-borne optical and near-infrared facilities have succeeded in delivering a precise and spatially resolved picture of our Universe, their small survey area is known to underrepresent the true diversity of galaxy populations. Ground-based surveys have reached comparable depths but at lower...
| Main Authors: | , , , , , , , , , , , , , , , , , , , |
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| Format: | Article |
| Language: | English |
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IOP Publishing
2023-01-01
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| Series: | The Astrophysical Journal Supplement Series |
| Subjects: | |
| Online Access: | https://doi.org/10.3847/1538-4365/acf850 |
| _version_ | 1797643422550458368 |
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| author | J. R. Weaver L. Zalesky V. Kokorev C. J. R. McPartland N. Chartab K. M. L. Gould M. Shuntov I. Davidzon A. Faisst N. Stickley P. L. Capak S. Toft D. Masters B. Mobasher D. B. Sanders O. B. Kauffmann H. J. McCracken O. Ilbert G. Brammer A. Moneti |
| author_facet | J. R. Weaver L. Zalesky V. Kokorev C. J. R. McPartland N. Chartab K. M. L. Gould M. Shuntov I. Davidzon A. Faisst N. Stickley P. L. Capak S. Toft D. Masters B. Mobasher D. B. Sanders O. B. Kauffmann H. J. McCracken O. Ilbert G. Brammer A. Moneti |
| author_sort | J. R. Weaver |
| collection | DOAJ |
| description | While space-borne optical and near-infrared facilities have succeeded in delivering a precise and spatially resolved picture of our Universe, their small survey area is known to underrepresent the true diversity of galaxy populations. Ground-based surveys have reached comparable depths but at lower spatial resolution, resulting in source confusion that hampers accurate photometry extractions. What once was limited to the infrared regime has now begun to challenge ground-based ultradeep surveys, affecting detection and photometry alike. Failing to address these challenges will mean forfeiting a representative view into the distant Universe. We introduce The Farmer : an automated, reproducible profile-fitting photometry package that pairs a library of smooth parametric models from The Tractor with a decision tree that determines the best-fit model in concert with neighboring sources. Photometry is measured by fitting the models on other bands leaving brightness free to vary. The resulting photometric measurements are naturally total, and no aperture corrections are required. Supporting diagnostics (e.g., χ ^2 ) enable measurement validation. As fitting models is relatively time intensive, The Farmer is built with high-performance computing routines. We benchmark The Farmer on a set of realistic COSMOS-like images and find accurate photometry, number counts, and galaxy shapes. The Farmer is already being utilized to produce catalogs for several large-area deep extragalactic surveys where it has been shown to tackle some of the most challenging optical and near-infrared data available, with the promise of extending to other ultradeep surveys expected in the near future. The Farmer is available to download from GitHub ( https://github.com/astroweaver/the_farmer ) and Zenodo ( https://doi.org/10.5281/zenodo.8205817 ). |
| first_indexed | 2024-03-11T14:14:32Z |
| format | Article |
| id | doaj.art-c0c52b4c426747ada2f34f876c313690 |
| institution | Directory Open Access Journal |
| issn | 0067-0049 |
| language | English |
| last_indexed | 2024-03-11T14:14:32Z |
| publishDate | 2023-01-01 |
| publisher | IOP Publishing |
| record_format | Article |
| series | The Astrophysical Journal Supplement Series |
| spelling | doaj.art-c0c52b4c426747ada2f34f876c3136902023-11-01T09:44:08ZengIOP PublishingThe Astrophysical Journal Supplement Series0067-00492023-01-0126912010.3847/1538-4365/acf850The Farmer: A Reproducible Profile-fitting Photometry Package for Deep Galaxy SurveysJ. R. Weaver0https://orcid.org/0000-0003-1614-196XL. Zalesky1https://orcid.org/0000-0001-5680-2326V. Kokorev2https://orcid.org/0000-0002-5588-9156C. J. R. McPartland3https://orcid.org/0000-0003-0639-025XN. Chartab4https://orcid.org/0000-0003-3691-937XK. M. L. Gould5https://orcid.org/0000-0003-4196-5960M. Shuntov6https://orcid.org/0000-0002-7087-0701I. Davidzon7https://orcid.org/0000-0002-2951-7519A. Faisst8https://orcid.org/0000-0002-9382-9832N. Stickley9P. L. Capak10https://orcid.org/0000-0003-3578-6843S. Toft11https://orcid.org/0000-0003-3631-7176D. Masters12B. Mobasher13https://orcid.org/0000-0001-5846-4404D. B. Sanders14https://orcid.org/0000-0002-1233-9998O. B. Kauffmann15https://orcid.org/0000-0001-5283-4662H. J. McCracken16https://orcid.org/0000-0002-9489-7765O. Ilbert17https://orcid.org/0000-0002-7303-4397G. Brammer18https://orcid.org/0000-0003-2680-005XA. Moneti19Cosmic Dawn Center (DAWN) , Denmark; Niels Bohr Institute, University of Copenhagen , Jagtvej 128, DK-2200 Copenhagen, Denmark ; john.weaver.astro@gmail.com, jweaver@astro.umass.edu; Department of Astronomy, University of Massachusetts , Amherst, MA 01003, USANiels Bohr Institute, University of Copenhagen , Jagtvej 128, DK-2200 Copenhagen, Denmark ; john.weaver.astro@gmail.com, jweaver@astro.umass.edu; Institute for Astronomy, University of Hawaii , 2680 Woodlawn Drive, Honolulu, HI 96822, USACosmic Dawn Center (DAWN) , Denmark; Niels Bohr Institute, University of Copenhagen , Jagtvej 128, DK-2200 Copenhagen, Denmark ; john.weaver.astro@gmail.com, jweaver@astro.umass.edu; Kapteyn Astronomical Institute, University of Groningen , PO Box 800, 9700 AV Groningen, The NetherlandsCosmic Dawn Center (DAWN) , Denmark; Niels Bohr Institute, University of Copenhagen , Jagtvej 128, DK-2200 Copenhagen, Denmark ; john.weaver.astro@gmail.com, jweaver@astro.umass.edu; Institute for Astronomy, University of Hawaii , 2680 Woodlawn Drive, Honolulu, HI 96822, USAThe Observatories of the Carnegie Institution for Science , 813 Santa Barbara Street, Pasadena, CA 91101, USA; Department of Physics and Astronomy, University of California , Irvine, CA 92697, USACosmic Dawn Center (DAWN) , Denmark; Niels Bohr Institute, University of Copenhagen , Jagtvej 128, DK-2200 Copenhagen, Denmark ; john.weaver.astro@gmail.com, jweaver@astro.umass.eduInstitut d’Astrophysique de Paris , UMR 7095, CNRS, and Sorbonne Université, 98 bis boulevard Arago, F-75014 Paris, FranceCosmic Dawn Center (DAWN) , Denmark; Niels Bohr Institute, University of Copenhagen , Jagtvej 128, DK-2200 Copenhagen, Denmark ; john.weaver.astro@gmail.com, jweaver@astro.umass.eduInfrared Processing and Analysis Center , California Institute of Technology, 1200 E. California Boulevard, Pasadena, CA 91125, USAInfrared Processing and Analysis Center , California Institute of Technology, 1200 E. California Boulevard, Pasadena, CA 91125, USACosmic Dawn Center (DAWN) , DenmarkCosmic Dawn Center (DAWN) , Denmark; Niels Bohr Institute, University of Copenhagen , Jagtvej 128, DK-2200 Copenhagen, Denmark ; john.weaver.astro@gmail.com, jweaver@astro.umass.eduInfrared Processing and Analysis Center , California Institute of Technology, 1200 E. California Boulevard, Pasadena, CA 91125, USA; Jet Propulsion Laboratory , California Institute of Technology, 4800 Oak Grove Drive, Pasadena, CA 91109, USADepartment of Physics and Astronomy, University of California , Riverside, 900 University Avenue, Riverside, CA 92521, USAInstitute for Astronomy, University of Hawaii , 2680 Woodlawn Drive, Honolulu, HI 96822, USAAix Marseille Univ , CNRS, LAM, Laboratoire d’Astrophysique de Marseille, Marseille, FranceInstitut d’Astrophysique de Paris , UMR 7095, CNRS, and Sorbonne Université, 98 bis boulevard Arago, F-75014 Paris, FranceAix Marseille Univ , CNRS, LAM, Laboratoire d’Astrophysique de Marseille, Marseille, FranceCosmic Dawn Center (DAWN) , Denmark; Niels Bohr Institute, University of Copenhagen , Jagtvej 128, DK-2200 Copenhagen, Denmark ; john.weaver.astro@gmail.com, jweaver@astro.umass.eduInstitut d’Astrophysique de Paris , UMR 7095, CNRS, and Sorbonne Université, 98 bis boulevard Arago, F-75014 Paris, FranceWhile space-borne optical and near-infrared facilities have succeeded in delivering a precise and spatially resolved picture of our Universe, their small survey area is known to underrepresent the true diversity of galaxy populations. Ground-based surveys have reached comparable depths but at lower spatial resolution, resulting in source confusion that hampers accurate photometry extractions. What once was limited to the infrared regime has now begun to challenge ground-based ultradeep surveys, affecting detection and photometry alike. Failing to address these challenges will mean forfeiting a representative view into the distant Universe. We introduce The Farmer : an automated, reproducible profile-fitting photometry package that pairs a library of smooth parametric models from The Tractor with a decision tree that determines the best-fit model in concert with neighboring sources. Photometry is measured by fitting the models on other bands leaving brightness free to vary. The resulting photometric measurements are naturally total, and no aperture corrections are required. Supporting diagnostics (e.g., χ ^2 ) enable measurement validation. As fitting models is relatively time intensive, The Farmer is built with high-performance computing routines. We benchmark The Farmer on a set of realistic COSMOS-like images and find accurate photometry, number counts, and galaxy shapes. The Farmer is already being utilized to produce catalogs for several large-area deep extragalactic surveys where it has been shown to tackle some of the most challenging optical and near-infrared data available, with the promise of extending to other ultradeep surveys expected in the near future. The Farmer is available to download from GitHub ( https://github.com/astroweaver/the_farmer ) and Zenodo ( https://doi.org/10.5281/zenodo.8205817 ).https://doi.org/10.3847/1538-4365/acf850PhotometryAstrostatisticsCatalogs |
| spellingShingle | J. R. Weaver L. Zalesky V. Kokorev C. J. R. McPartland N. Chartab K. M. L. Gould M. Shuntov I. Davidzon A. Faisst N. Stickley P. L. Capak S. Toft D. Masters B. Mobasher D. B. Sanders O. B. Kauffmann H. J. McCracken O. Ilbert G. Brammer A. Moneti The Farmer: A Reproducible Profile-fitting Photometry Package for Deep Galaxy Surveys The Astrophysical Journal Supplement Series Photometry Astrostatistics Catalogs |
| title | The Farmer: A Reproducible Profile-fitting Photometry Package for Deep Galaxy Surveys |
| title_full | The Farmer: A Reproducible Profile-fitting Photometry Package for Deep Galaxy Surveys |
| title_fullStr | The Farmer: A Reproducible Profile-fitting Photometry Package for Deep Galaxy Surveys |
| title_full_unstemmed | The Farmer: A Reproducible Profile-fitting Photometry Package for Deep Galaxy Surveys |
| title_short | The Farmer: A Reproducible Profile-fitting Photometry Package for Deep Galaxy Surveys |
| title_sort | farmer a reproducible profile fitting photometry package for deep galaxy surveys |
| topic | Photometry Astrostatistics Catalogs |
| url | https://doi.org/10.3847/1538-4365/acf850 |
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