Abstract
The DESI Legacy Imaging Surveys (http://legacysurvey.org/) are a combination of three public projects (the Dark Energy Camera Legacy Survey, the Beijing-Arizona Sky Survey, and the Mayall z-band Legacy Survey) that will jointly image ≈14,000 deg2 of the extragalactic sky visible from the northern hemisphere in three optical bands (g, r, and z) using telescopes at the Kitt Peak National Observatory and the Cerro Tololo Inter-American Observatory. The combined survey footprint is split into two contiguous areas by the Galactic plane. The optical imaging is conducted using a unique strategy of dynamically adjusting the exposure times and pointing selection during observing that results in a survey of nearly uniform depth. In addition to calibrated images, the project is delivering a catalog, constructed by using a probabilistic inference-based approach to estimate source shapes and brightnesses. The catalog includes photometry from the grz optical bands and from four mid-infrared bands (at 3.4, 4.6, 12, and 22 μm) observed by the Wide-field Infrared Survey Explorer satellite during its full operational lifetime. The project plans two public data releases each year. All the software used to generate the catalogs is also released with the data. This paper provides an overview of the Legacy Surveys project.
| Original language | English (US) |
|---|---|
| Article number | 168 |
| Journal | Astronomical Journal |
| Volume | 157 |
| Issue number | 5 |
| DOIs | |
| State | Published - May 2019 |
| Externally published | Yes |
Keywords
- catalogs
- surveys
ASJC Scopus subject areas
- Astronomy and Astrophysics
- Space and Planetary Science
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Overview of the DESI Legacy Imaging Surveys. / Huang, Lijuan; Dey, Arjun; Schlegel, David J.; Lang, Dustin; Blum, Robert; Burleigh, Kaylan; Fan, Xiaohui; Findlay, Joseph R.; Finkbeiner, Doug; Herrera, David; Juneau, Stéphanie; Landriau, Martin; Levi, Michael; McGreer, Ian; Meisner, Aaron; Myers, Adam D.; Moustakas, John; Nugent, Peter; Patej, Anna; Schlafly, Edward F.; Walker, Alistair R.; Valdes, Francisco; Weaver, Benjamin A.; Yèche, Christophe; Zou, Hu; Zhou, Xu; Abareshi, Behzad; Abbott, T. M.C.; Abolfathi, Bela; Aguilera, C.; Alam, Shadab; Allen, Lori; Alvarez, A.; Annis, James; Ansarinejad, Behzad; Aubert, Marie; Beechert, Jacqueline; Bell, Eric F.; Benzvi, Segev Y.; Beutler, Florian; Bielby, Richard M.; Bolton, Adam S.; Briceño, César; Buckley-Geer, Elizabeth J.; Butler, Karen; Calamida, Annalisa; Carlberg, Raymond G.; Carter, Paul; Casas, Ricard; Castander, Francisco J.; Choi, Yumi; Comparat, Johan; Cukanovaite, Elena; Delubac, Timothée; Devries, Kaitlin; Dey, Sharmila; Dhungana, Govinda; Dickinson, Mark; Ding, Zhejie; Donaldson, John B.; Duan, Yutong; Duckworth, Christopher J.; Eftekharzadeh, Sarah; Eisenstein, Daniel J.; Etourneau, Thomas; Fagrelius, Parker A.; Farihi, Jay; Fitzpatrick, Mike; Font-Ribera, Andreu; Fulmer, Leah; Gänsicke, Boris T.; Gaztanaga, Enrique; George, Koshy; Gerdes, David W.; A Gontcho, Satya Gontcho; Gorgoni, Claudio; Green, Gregory; Guy, Julien; Harmer, Diane; Hernandez, M.; Honscheid, Klaus; Huang, Lijuan Wendy; James, David J.; Jannuzi, Buell T.; Jiang, Linhua; Joyce, Richard; Karcher, Armin; Karkar, Sonia; Kehoe, Robert; Kneib, Jean Paul; Kueter-Young, Andrea; Lan, Ting Wen; Lauer, Tod R.; Guillou, Laurent Le; Van Suu, Auguste Le; Lee, Jae Hyeon; Lesser, Michael; Levasseur, Laurence Perreault; Li, Ting S.; Mann, Justin L.; Marshall, Robert; Martínez-Vázquez, C. E.; Martini, Paul; Du Mas Des Bourboux, Hélion; McManus, Sean; Meier, Tobias Gabriel; Ménard, Brice; Metcalfe, Nigel; Muñoz-Gutiérrez, Andrea; Najita, Joan; Napier, Kevin; Narayan, Gautham; Newman, Jeffrey A.; Nie, Jundan; Nord, Brian; Norman, Dara J.; Olsen, Knut A.G.; Paat, Anthony; Palanque-Delabrouille, Nathalie; Peng, Xiyan; Poppett, Claire L.; Poremba, Megan R.; Prakash, Abhishek; Rabinowitz, David; Raichoor, Anand; Rezaie, Mehdi; Robertson, A. N.; Roe, Natalie A.; Ross, Ashley J.; Ross, Nicholas P.; Rudnick, Gregory; Safonova, Sasha; Saha, Abhijit; Sánchez, F. Javier; Savary, Elodie; Schweiker, Heidi; Scott, Adam; Seo, Hee Jong; Shan, Huanyuan; Silva, David R.; Slepian, Zachary; Soto, Christian; Sprayberry, David; Staten, Ryan; Stillman, Coley M.; Stupak, Robert J.; Summers, David L.; Tie, Suk Sien; Tirado, H.; Vargas-Magaña, Mariana; Vivas, A. Katherina; Wechsler, Risa H.; Williams, Doug; Yang, Jinyi; Yang, Qian; Yapici, Tolga; Zaritsky, Dennis; Zenteno, A.; Zhang, Kai; Zhang, Tianmeng; Zhou, Rongpu; Zhou, Zhimin.
In: Astronomical Journal, Vol. 157, No. 5, 168, 05.2019.Research output: Contribution to journal › Review article › peer-review
}
TY - JOUR
T1 - Overview of the DESI Legacy Imaging Surveys
AU - Huang, Lijuan
AU - Dey, Arjun
AU - Schlegel, David J.
AU - Lang, Dustin
AU - Blum, Robert
AU - Burleigh, Kaylan
AU - Fan, Xiaohui
AU - Findlay, Joseph R.
AU - Finkbeiner, Doug
AU - Herrera, David
AU - Juneau, Stéphanie
AU - Landriau, Martin
AU - Levi, Michael
AU - McGreer, Ian
AU - Meisner, Aaron
AU - Myers, Adam D.
AU - Moustakas, John
AU - Nugent, Peter
AU - Patej, Anna
AU - Schlafly, Edward F.
AU - Walker, Alistair R.
AU - Valdes, Francisco
AU - Weaver, Benjamin A.
AU - Yèche, Christophe
AU - Zou, Hu
AU - Zhou, Xu
AU - Abareshi, Behzad
AU - Abbott, T. M.C.
AU - Abolfathi, Bela
AU - Aguilera, C.
AU - Alam, Shadab
AU - Allen, Lori
AU - Alvarez, A.
AU - Annis, James
AU - Ansarinejad, Behzad
AU - Aubert, Marie
AU - Beechert, Jacqueline
AU - Bell, Eric F.
AU - Benzvi, Segev Y.
AU - Beutler, Florian
AU - Bielby, Richard M.
AU - Bolton, Adam S.
AU - Briceño, César
AU - Buckley-Geer, Elizabeth J.
AU - Butler, Karen
AU - Calamida, Annalisa
AU - Carlberg, Raymond G.
AU - Carter, Paul
AU - Casas, Ricard
AU - Castander, Francisco J.
AU - Choi, Yumi
AU - Comparat, Johan
AU - Cukanovaite, Elena
AU - Delubac, Timothée
AU - Devries, Kaitlin
AU - Dey, Sharmila
AU - Dhungana, Govinda
AU - Dickinson, Mark
AU - Ding, Zhejie
AU - Donaldson, John B.
AU - Duan, Yutong
AU - Duckworth, Christopher J.
AU - Eftekharzadeh, Sarah
AU - Eisenstein, Daniel J.
AU - Etourneau, Thomas
AU - Fagrelius, Parker A.
AU - Farihi, Jay
AU - Fitzpatrick, Mike
AU - Font-Ribera, Andreu
AU - Fulmer, Leah
AU - Gänsicke, Boris T.
AU - Gaztanaga, Enrique
AU - George, Koshy
AU - Gerdes, David W.
AU - A Gontcho, Satya Gontcho
AU - Gorgoni, Claudio
AU - Green, Gregory
AU - Guy, Julien
AU - Harmer, Diane
AU - Hernandez, M.
AU - Honscheid, Klaus
AU - Huang, Lijuan Wendy
AU - James, David J.
AU - Jannuzi, Buell T.
AU - Jiang, Linhua
AU - Joyce, Richard
AU - Karcher, Armin
AU - Karkar, Sonia
AU - Kehoe, Robert
AU - Kneib, Jean Paul
AU - Kueter-Young, Andrea
AU - Lan, Ting Wen
AU - Lauer, Tod R.
AU - Guillou, Laurent Le
AU - Van Suu, Auguste Le
AU - Lee, Jae Hyeon
AU - Lesser, Michael
AU - Levasseur, Laurence Perreault
AU - Li, Ting S.
AU - Mann, Justin L.
AU - Marshall, Robert
AU - Martínez-Vázquez, C. E.
AU - Martini, Paul
AU - Du Mas Des Bourboux, Hélion
AU - McManus, Sean
AU - Meier, Tobias Gabriel
AU - Ménard, Brice
AU - Metcalfe, Nigel
AU - Muñoz-Gutiérrez, Andrea
AU - Najita, Joan
AU - Napier, Kevin
AU - Narayan, Gautham
AU - Newman, Jeffrey A.
AU - Nie, Jundan
AU - Nord, Brian
AU - Norman, Dara J.
AU - Olsen, Knut A.G.
AU - Paat, Anthony
AU - Palanque-Delabrouille, Nathalie
AU - Peng, Xiyan
AU - Poppett, Claire L.
AU - Poremba, Megan R.
AU - Prakash, Abhishek
AU - Rabinowitz, David
AU - Raichoor, Anand
AU - Rezaie, Mehdi
AU - Robertson, A. N.
AU - Roe, Natalie A.
AU - Ross, Ashley J.
AU - Ross, Nicholas P.
AU - Rudnick, Gregory
AU - Safonova, Sasha
AU - Saha, Abhijit
AU - Sánchez, F. Javier
AU - Savary, Elodie
AU - Schweiker, Heidi
AU - Scott, Adam
AU - Seo, Hee Jong
AU - Shan, Huanyuan
AU - Silva, David R.
AU - Slepian, Zachary
AU - Soto, Christian
AU - Sprayberry, David
AU - Staten, Ryan
AU - Stillman, Coley M.
AU - Stupak, Robert J.
AU - Summers, David L.
AU - Tie, Suk Sien
AU - Tirado, H.
AU - Vargas-Magaña, Mariana
AU - Vivas, A. Katherina
AU - Wechsler, Risa H.
AU - Williams, Doug
AU - Yang, Jinyi
AU - Yang, Qian
AU - Yapici, Tolga
AU - Zaritsky, Dennis
AU - Zenteno, A.
AU - Zhang, Kai
AU - Zhang, Tianmeng
AU - Zhou, Rongpu
AU - Zhou, Zhimin
N1 - Funding Information: 2019-05-01 2019-04-11 13:46:34 cgi/release: Article released bin/incoming: New from .zip National Science Foundation AST-0950945 Department of Energy DE-AC02- 05CH11231 NERSC DE-AC02-05CH11231 Chinese Academy of Sciences XDB09000000 Chinese Academy of Sciences 114A11KYSB20160057 Chinese National Natural Science Foundation 11433005 European Research Council 320964 National Science Foundation AST- 1616414 National Science Foundation PHY-1066293 yes Publisher Copyright: © 2019. The American Astronomical Society. All rights reserved..
PY - 2019/5
Y1 - 2019/5
N2 - The DESI Legacy Imaging Surveys (http://legacysurvey.org/) are a combination of three public projects (the Dark Energy Camera Legacy Survey, the Beijing-Arizona Sky Survey, and the Mayall z-band Legacy Survey) that will jointly image ≈14,000 deg2 of the extragalactic sky visible from the northern hemisphere in three optical bands (g, r, and z) using telescopes at the Kitt Peak National Observatory and the Cerro Tololo Inter-American Observatory. The combined survey footprint is split into two contiguous areas by the Galactic plane. The optical imaging is conducted using a unique strategy of dynamically adjusting the exposure times and pointing selection during observing that results in a survey of nearly uniform depth. In addition to calibrated images, the project is delivering a catalog, constructed by using a probabilistic inference-based approach to estimate source shapes and brightnesses. The catalog includes photometry from the grz optical bands and from four mid-infrared bands (at 3.4, 4.6, 12, and 22 μm) observed by the Wide-field Infrared Survey Explorer satellite during its full operational lifetime. The project plans two public data releases each year. All the software used to generate the catalogs is also released with the data. This paper provides an overview of the Legacy Surveys project.
AB - The DESI Legacy Imaging Surveys (http://legacysurvey.org/) are a combination of three public projects (the Dark Energy Camera Legacy Survey, the Beijing-Arizona Sky Survey, and the Mayall z-band Legacy Survey) that will jointly image ≈14,000 deg2 of the extragalactic sky visible from the northern hemisphere in three optical bands (g, r, and z) using telescopes at the Kitt Peak National Observatory and the Cerro Tololo Inter-American Observatory. The combined survey footprint is split into two contiguous areas by the Galactic plane. The optical imaging is conducted using a unique strategy of dynamically adjusting the exposure times and pointing selection during observing that results in a survey of nearly uniform depth. In addition to calibrated images, the project is delivering a catalog, constructed by using a probabilistic inference-based approach to estimate source shapes and brightnesses. The catalog includes photometry from the grz optical bands and from four mid-infrared bands (at 3.4, 4.6, 12, and 22 μm) observed by the Wide-field Infrared Survey Explorer satellite during its full operational lifetime. The project plans two public data releases each year. All the software used to generate the catalogs is also released with the data. This paper provides an overview of the Legacy Surveys project.
KW - catalogs
KW - surveys
UR - http://www.scopus.com/inward/record.url?scp=85067358591&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=85067358591&partnerID=8YFLogxK
U2 - 10.3847/1538-3881/ab089d
DO - 10.3847/1538-3881/ab089d
M3 - Review article
AN - SCOPUS:85067358591
VL - 157
JO - Astronomical Journal
JF - Astronomical Journal
SN - 0004-6256
IS - 5
M1 - 168
ER -