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We present the use of self-supervised learning to explore and exploit large unlabeled datasets. Focusing on 42 million galaxy images from the latest data release of the Dark Energy Spectroscopic Instrument (DESI) Legacy Imaging Surveys, we…

Instrumentation and Methods for Astrophysics · Physics 2021-12-02 George Stein , Peter Harrington , Jacqueline Blaum , Tomislav Medan , Zarija Lukic

We present a method of combining cluster abundances and large-scale two-point correlations, namely galaxy clustering, galaxy--cluster cross-correlations, cluster auto-correlations, and cluster lensing. This data vector yields comparable…

Cosmology and Nongalactic Astrophysics · Physics 2021-02-03 C. To , E. Krause , E. Rozo , H. Wu , D. Gruen , J. DeRose , E. S. Rykoff , R. H. Wechsler , M. R. Becker , M. Costanzi , T. Eifler , M. E. S. Pereira , N. Kokron

The previous decade saw the discovery of the first four known interstellar objects due to advances in astronomical viewing equipment. Future sky surveys with greater sensitivity will allow for more frequent detections of such objects,…

Instrumentation and Methods for Astrophysics · Physics 2023-03-28 Carson Ezell , Abraham Loeb

The Photometric LSST Astronomical Time Series Classification Challenge (PLAsTiCC) is an open data challenge to classify simulated astronomical time-series data in preparation for observations from the Large Synoptic Survey Telescope (LSST),…

We present a collection of new, open-source computational tools for numerically modeling recent large-scale observational data sets using modern cosmology theory. Specifically, these tools will allow both students and researchers to…

Cosmology and Nongalactic Astrophysics · Physics 2013-05-22 Jacob Moldenhauer , Larry Engelhardt , Keenan Stone , Ezekiel Shuler

We present the first public data release of the VISTA EXtension to Auxiliary Surveys (VEXAS), comprising of 9 cross-matched multi-wavelength photometric catalogs where each object has a match in at least two surveys. We aim at a spatial…

Astrophysics of Galaxies · Physics 2019-10-16 C. Spiniello , A. Agnello

We present analyses of the early data from Rubin Observatory's Data Preview 1 (DP1) for the globular cluster 47 Tuc field. The DP1 dataset for 47 Tuc includes four nights of observations from the Rubin Commissioning Camera (LSSTComCam),…

The Large sky Area Multi-Object Spectroscopic Telescope (LAMOST) General Survey is a spectroscopic survey that will eventually cover approximately half of the celestial sphere and collect 10 million spectra of stars, galaxies and QSOs.…

Astrophysics of Galaxies · Physics 2020-07-22 A. -L. Luo , Y. -H. Zhao , G. Zhao , L. -C. Deng , X. -W. Liu , Y. -P. Jing , G. Wang , H. -T Zhang , J. -R. Shi , X. -Q. Cui , Y. -Q. Chu , G. -P. Li , Z. -R. Bai , Y. Cai , S. -Y. Cao , Z. -H Cao , J. L. Carlin , H. Y. Chen , J. -J. Chen , K. -X. Chen , L. Chen , X. -L. Chen , X. -Y. Chen , Y. Chen , N. Christlieb , J. -R. Chu , C. -Z. Cui , Y. -Q. Dong , B. Du , D. -W. Fan , L. Feng , J. -N Fu , P. Gao , X. -F. Gong , B. -Z. Gu , Y. -X. Guo , Z. -W. Han , B. -L. He , J. -L. Hou , Y. -H. Hou , W. Hou , H. -Z. Hu , N. -S. Hu , Z. -W. Hu , Z. -Y. Huo , L. Jia , F. -H. Jiang , X. Jiang , Z. -B. Jiang , G. Jin , X. Kong , X. Kong , Y. -J. Lei , A. -H. Li , C. -H. Li , G. -W. Li , H. -N. Li , J. Li , Q. Li , S. Li , S. -S. Li , X. -N. Li , Y. Li , Y. -B. Li , Y. -P. Li , Y. Liang , C. -C. Lin , C. Liu , G. -R. Liu , G. -Q. Liu , Z. -G. Liu , W. -Z. Lu , Y. Luo , Y. -D. Mao , H. Newberg , J. -J. Ni , Z. -X. Qi , Y. -J. Qi , S. -Y. Shen , H. -M. Shi , J. Song , Y. -H. Song , D. -Q. Su , H. -J. Su , Z. -H. Tang , Q. -S. Tao , Y. Tian , D. Wang , D. -Q. Wang , F. -F. Wang , G. -M. Wang , H. Wang , H. -C. Wang , J. Wang , J. -N. Wang , J. -L. Wang , J. -P. Wang , J. -X. Wang , L. Wang , M. -X. Wang , S. -G. Wang , S. -Q. Wang , X. Wang , Y. -N. Wang , Y. Wang , Y. -F. Wang , Y. -F. Wang , P. Wei , M. -Z. Wei , H. Wu , K. -F. Wu , X. -B. Wu , Y. Wu , Y. Z. Wu , X. -Z. Xing , L. -Z. Xu , X. -Q. Xu , Y. Xu , T. -S. Yan , D. -H. Yang , H. -F. Yang , H. -Q. Yang , M. Yang , Z. -Q. Yao , Y. Yu , H. Yuan , H. -B. Yuan , H. -L. Yuan , W. -M. Yuan , C. Zhai , E. -P. Zhang , H. W. Zhang , J. -N. Zhang , L. -P. Zhang , W. Zhang , Y. Zhang , Y. -X. Zhang , Z. -C. Zhang , M. Zhao , F. Zhou , X. Zhou , J. Zhu , Y. -T. Zhu , S. -C. Zou , F. Zuo

The Sloan Digital Sky Survey (SDSS) mosaic camera and telescope have obtained five-band optical-wavelength imaging near the Galactic plane outside of the nominal survey boundaries. These additional data were obtained during commissioning…

Astrophysics · Physics 2008-11-26 Douglas P. Finkbeiner , Nikhil Padmanabhan , David J. Schlegel

Cluster scaling relations are key ingredients in cluster abundance-based cosmological studies. In optical cluster cosmology, where clusters are detected through their richness, cluster-weak gravitational lensing has proven to be a powerful…

The Vera C. Rubin Observatory Legacy Survey of Space and Time (LSST) will produce unprecedentedly deep and wide photometric catalogs, enabling transformative studies of faint stellar systems such as the research of ultra-faint dwarf…

Astrophysics of Galaxies · Physics 2026-05-06 M. Gatto , V. Ripepi , M. Bellazzini , C. Tortora , M. Dall'Ora

The LIGO Open Science Center (LOSC) fulfills LIGO's commitment to release, archive, and serve LIGO data in a broadly accessible way to the scientific community and to the public, and to provide the information and tools necessary to…

General Relativity and Quantum Cosmology · Physics 2015-06-11 Michele Vallisneri , Jonah Kanner , Roy Williams , Alan Weinstein , Branson Stephens

This overview article describes the legacy prospect and discovery potential of the Dark Energy Survey (DES) beyond cosmological studies, illustrating it with examples from the DES early data. DES is using a wide-field camera (DECam) on the…

Cosmology and Nongalactic Astrophysics · Physics 2016-11-18 Dark Energy Survey Collaboration , T. Abbott , F. B. Abdalla , J. Aleksic , S. Allam , A. Amara , D. Bacon , E. Balbinot , M. Banerji , K. Bechtol , A. Benoit-Levy , G. M. Bernstein , E. Bertin , J. Blazek , C. Bonnett , S. Bridle , D. Brooks , R. J. Brunner , E. Buckley-Geer , D. L. Burke , G. B. Caminha , D. Capozzi , J. Carlsen , A. Carnero-Rosell , M. Carollo , M. Carrasco-Kind , J. Carretero , F. J. Castander , L. Clerkin , T. Collett , C. Conselice , M. Crocce , C. E. Cunha , C. B. D'Andrea , L. N. da Costa , T. M. Davis , S. Desai , H. T. Diehl , J. P. Dietrich , S. Dodelson , P. Doel , A. Drlica-Wagner , J. Estrada , J. Etherington , A. E. Evrard , J. Fabbri , D. A. Finley , B. Flaugher , R. J. Foley , P. Rosalba , J. Frieman , J. Garcia-Bellido , E. Gaztanaga , D. W. Gerdes , T. Giannantonio , D. A. Goldstein , D. Gruen , R. A. Gruendl , P. Guarnieri , G. Gutierrez , W. Hartley , K. Honscheid , B. Jain , D. J. James , T. Jeltema , S. Jouvel , R. Kessler , A. King , D. Kirk , R. Kron , K. Kuehn , N. Kuropatkin , O. Lahav , T. S. Li , M. Lima , H. Lin , M. A. G. Maia , M. Makler , M. Manera , C. Maraston , J. L. Marshall , P. Martini , R. G. McMahon , P. Melchior , A. Merson , C. J. Miller , R. Miquel , J. J. Mohr , X. Morice-Atkinson , K. Naidoo , E. Neilsen , R. C. Nichol , B. Nord , R. Ogando , F. Ostrovski , A. Palmese , A. Papadopoulos , H. Peiris , J. Peoples , W. J. Percival , A. A. Plazas , S. L. Reed , A. Refregier , A. K. Romer , A. Roodman , A. Ross , E. Rozo , E. S. Rykoff , I. Sadeh , M. Sako , C. Sanchez , E. Sanchez , B. Santiago , V. Scarpine , M. Schubnell , I. Sevilla-Noarbe , E. Sheldon , M. Smith , R. C. Smith , M. Soares-Santos , F. Sobreira , M. Soumagnac , E. Suchyta , M. Sullivan , M. Swanson , G. Tarle , J. Thaler , D. Thomas , R. C. Thomas , D. Tucker , J. D. Vieira , V. Vikram , A. R. Walker , R. H. Wechsler , J. Weller , W. Wester , L. Whiteway , H. Wilcox , B. Yanny , Y. Zhang , J. Zuntz

The SCUSS is a deep $u$-band imaging survey in the south Galactic cap using the 2.3m Bok telescope. The survey observations were completed in the end of 2013, covering an area of about 5000 square degrees. We release the data in the region…

(Abridged) We describe here the most ambitious survey currently planned in the optical, the Large Synoptic Survey Telescope (LSST). A vast array of science will be enabled by a single wide-deep-fast sky survey, and LSST will have unique…

Astrophysics · Physics 2019-08-13 Željko Ivezić , Steven M. Kahn , J. Anthony Tyson , Bob Abel , Emily Acosta , Robyn Allsman , David Alonso , Yusra AlSayyad , Scott F. Anderson , John Andrew , James Roger P. Angel , George Z. Angeli , Reza Ansari , Pierre Antilogus , Constanza Araujo , Robert Armstrong , Kirk T. Arndt , Pierre Astier , Éric Aubourg , Nicole Auza , Tim S. Axelrod , Deborah J. Bard , Jeff D. Barr , Aurelian Barrau , James G. Bartlett , Amanda E. Bauer , Brian J. Bauman , Sylvain Baumont , Andrew C. Becker , Jacek Becla , Cristina Beldica , Steve Bellavia , Federica B. Bianco , Rahul Biswas , Guillaume Blanc , Jonathan Blazek , Roger D. Blandford , Josh S. Bloom , Joanne Bogart , Tim W. Bond , Anders W. Borgland , Kirk Borne , James F. Bosch , Dominique Boutigny , Craig A. Brackett , Andrew Bradshaw , William Nielsen Brandt , Michael E. Brown , James S. Bullock , Patricia Burchat , David L. Burke , Gianpietro Cagnoli , Daniel Calabrese , Shawn Callahan , Alice L. Callen , Srinivasan Chandrasekharan , Glenaver Charles-Emerson , Steve Chesley , Elliott C. Cheu , Hsin-Fang Chiang , James Chiang , Carol Chirino , Derek Chow , David R. Ciardi , Charles F. Claver , Johann Cohen-Tanugi , Joseph J. Cockrum , Rebecca Coles , Andrew J. Connolly , Kem H. Cook , Asantha Cooray , Kevin R. Covey , Chris Cribbs , Wei Cui , Roc Cutri , Philip N. Daly , Scott F. Daniel , Felipe Daruich , Guillaume Daubard , Greg Daues , William Dawson , Francisco Delgado , Alfred Dellapenna , Robert de Peyster , Miguel de Val-Borro , Seth W. Digel , Peter Doherty , Richard Dubois , Gregory P. Dubois-Felsmann , Josef Durech , Frossie Economou , Michael Eracleous , Henry Ferguson , Enrique Figueroa , Merlin Fisher-Levine , Warren Focke , Michael D. Foss , James Frank , Michael D. Freemon , Emmanuel Gangler , Eric Gawiser , John C. Geary , Perry Gee , Marla Geha , Charles J. B. Gessner , Robert R. Gibson , D. Kirk Gilmore , Thomas Glanzman , William Glick , Tatiana Goldina , Daniel A. Goldstein , Iain Goodenow , Melissa L. Graham , William J. Gressler , Philippe Gris , Leanne P. Guy , Augustin Guyonnet , Gunther Haller , Ron Harris , Patrick A. Hascall , Justine Haupt , Fabio Hernandez , Sven Herrmann , Edward Hileman , Joshua Hoblitt , John A. Hodgson , Craig Hogan , Dajun Huang , Michael E. Huffer , Patrick Ingraham , Walter R. Innes , Suzanne H. Jacoby , Bhuvnesh Jain , Fabrice Jammes , James Jee , Tim Jenness , Garrett Jernigan , Darko Jevremović , Kenneth Johns , Anthony S. Johnson , Margaret W. G. Johnson , R. Lynne Jones , Claire Juramy-Gilles , Mario Jurić , Jason S. Kalirai , Nitya J. Kallivayalil , Bryce Kalmbach , Jeffrey P. Kantor , Pierre Karst , Mansi M. Kasliwal , Heather Kelly , Richard Kessler , Veronica Kinnison , David Kirkby , Lloyd Knox , Ivan V. Kotov , Victor L. Krabbendam , K. Simon Krughoff , Petr Kubánek , John Kuczewski , Shri Kulkarni , John Ku , Nadine R. Kurita , Craig S. Lage , Ron Lambert , Travis Lange , J. Brian Langton , Laurent Le Guillou , Deborah Levine , Ming Liang , Kian-Tat Lim , Chris J. Lintott , Kevin E. Long , Margaux Lopez , Paul J. Lotz , Robert H. Lupton , Nate B. Lust , Lauren A. MacArthur , Ashish Mahabal , Rachel Mandelbaum , Darren S. Marsh , Philip J. Marshall , Stuart Marshall , Morgan May , Robert McKercher , Michelle McQueen , Joshua Meyers , Myriam Migliore , Michelle Miller , David J. Mills , Connor Miraval , Joachim Moeyens , David G. Monet , Marc Moniez , Serge Monkewitz , Christopher Montgomery , Fritz Mueller , Gary P. Muller , Freddy Muñoz Arancibia , Douglas R. Neill , Scott P. Newbry , Jean-Yves Nief , Andrei Nomerotski , Martin Nordby , Paul O'Connor , John Oliver , Scot S. Olivier , Knut Olsen , William O'Mullane , Sandra Ortiz , Shawn Osier , Russell E. Owen , Reynald Pain , Paul E. Palecek , John K. Parejko , James B. Parsons , Nathan M. Pease , J. Matt Peterson , John R. Peterson , Donald L. Petravick , M. E. Libby Petrick , Cathy E. Petry , Francesco Pierfederici , Stephen Pietrowicz , Rob Pike , Philip A. Pinto , Raymond Plante , Stephen Plate , Paul A. Price , Michael Prouza , Veljko Radeka , Jayadev Rajagopal , Andrew P. Rasmussen , Nicolas Regnault , Kevin A. Reil , David J. Reiss , Michael A. Reuter , Stephen T. Ridgway , Vincent J. Riot , Steve Ritz , Sean Robinson , William Roby , Aaron Roodman , Wayne Rosing , Cecille Roucelle , Matthew R. Rumore , Stefano Russo , Abhijit Saha , Benoit Sassolas , Terry L. Schalk , Pim Schellart , Rafe H. Schindler , Samuel Schmidt , Donald P. Schneider , Michael D. Schneider , William Schoening , German Schumacher , Megan E. Schwamb , Jacques Sebag , Brian Selvy , Glenn H. Sembroski , Lynn G. Seppala , Andrew Serio , Eduardo Serrano , Richard A. Shaw , Ian Shipsey , Jonathan Sick , Nicole Silvestri , Colin T. Slater , J. Allyn Smith , R. Chris Smith , Shahram Sobhani , Christine Soldahl , Lisa Storrie-Lombardi , Edward Stover , Michael A. Strauss , Rachel A. Street , Christopher W. Stubbs , Ian S. Sullivan , Donald Sweeney , John D. Swinbank , Alexander Szalay , Peter Takacs , Stephen A. Tether , Jon J. Thaler , John Gregg Thayer , Sandrine Thomas , Vaikunth Thukral , Jeffrey Tice , David E. Trilling , Max Turri , Richard Van Berg , Daniel Vanden Berk , Kurt Vetter , Francoise Virieux , Tomislav Vucina , William Wahl , Lucianne Walkowicz , Brian Walsh , Christopher W. Walter , Daniel L. Wang , Shin-Yawn Wang , Michael Warner , Oliver Wiecha , Beth Willman , Scott E. Winters , David Wittman , Sidney C. Wolff , W. Michael Wood-Vasey , Xiuqin Wu , Bo Xin , Peter Yoachim , Hu Zhan

The sky images captured nightly by the camera on the Vera C. Rubin Observatory's telescope will be processed across facilities on three continents. Data acquisition will occur at the observatory's location on Cerro Pach\'{o}n in the Andes…

Instrumentation and Methods for Astrophysics · Physics 2025-07-18 Fabio Hernandez , Mark G. Beckett , Andrew Hanushevsky , Tim Jenness , Kian-Tat Lim , Peter Love , Timothy Noble , Stephen R. Pietrowicz , Wei Yang

We present a set of open-source web tools for visualization of spectral and imaging data, which we use in the second Reference Catalogue of Spectral Energy Distributions of galaxies RCSEDv2 (https://rcsed2.voxastro.org/). Using modern web…

The GSC-II is an all-sky database of objects derived from the uncompressed DSS that the STScI has created from the Palomar and UK Schmidt survey plates and made available to the community. Like its predecessor (GSC-I), the GSC-II was…