Related papers: The DESI Transients Survey: Legacy Classifications…

DESI Strong Lens Foundry II: DESI Spectroscopy for Strong Lens Candidates

We present the Dark Energy Spectroscopic Instrument (DESI) Strong Lensing Secondary Target Program. This is a spectroscopic follow-up program for strong gravitational lens candidates found in the DESI Legacy Imaging Surveys footprint.…

Cosmology and Nongalactic Astrophysics · Physics 2025-09-23 Xiaosheng Huang , Jose Carlos Inchausti , Christopher J. Storfer , S. Tabares-Tarquinio , J. Moustakas , W. Sheu , S. Agarwal , M. Tamargo-Arizmendi , D. J. Schlegel , J. Aguilar , S. Ahlen , G. Aldering , S. Bailey , S. Banka , S. BenZvi , D. Bianchi , A. Bolton , D. Brooks , A. Cikota , T. Claybaugh , K. S. Dawson , A. de la Macorra , A. Dey , P. Doel , J. Edelstein , J. E. Forero-Romero , E. Gaztanaga , S. Gontcho A Gontcho , A. X. Gonzalez-Morales , A. Gu , K. Honscheid , M. Ishak , S. Juneau , R. Kehoe , T. Kisner , S. E. Koposov , K. J. Kwon , A. Lambert , M. Landriau , D. Lang , L. Le Guillou , M. E. Levi , J. Liu , A. Meisner , R. Miquel , A. D. Myers , S. Perlmutter , N. Palanque-Delabrouille , I. Perez-Rafols , C. Poppett , F. Prada , G. Rossi , D. Rubin , E. Sanchez , M. Schubnell , Y. Shu , E. Silver , D. Sprayberry , N. Suzuki , G. Tarle , B. A. Weaver , H. Zou

TiDES: The 4MOST Time Domain Extragalactic Survey

The Time Domain Extragalactic Survey (TiDES) conducted on the 4-metre Multi-Object Spectroscopic Telescope (4MOST) will perform spectroscopic follow-up of extragalactic transients discovered in the era of the NSF-DOE Vera C. Rubin…

High Energy Astrophysical Phenomena · Physics 2025-08-29 C. Frohmaier , M. Vincenzi , M. Sullivan , S. F. Hönig , M. Smith , H. Addison , T. Collett , G. Dimitriadis , R. S. Ellis , P. Gandhi , O. Graur , I. Hook , L. Kelsey , Y. L. Kim , C. Lidman , K. Maguire , L. Makrygianni , B. Martin , A. Möller , R. C. Nichol , M. Nicholl , P. Schady , B. D. Simmons , S. J. Smartt , E. Tempel , P. Wiseman , the LSST Dark Energy Science Collaboration

DECam Multi-Messenger Astrophysics Pipeline. I. from Raw Data to Single-Exposure Candidates

We introduce a pipeline that performs rapid image subtraction and source selection to detect transients, with a focus on identifying gravitational wave optical counterparts using the Dark Energy Camera (DECam). In this work, we present the…

Instrumentation and Methods for Astrophysics · Physics 2024-08-27 Shenming Fu , Thomas Matheson , Aaron Meisner , Yuanyuan Zhang , Sebastián Vicencio , Destry Saul

Deep drilling in the time domain with DECam II: characterizing the light curves of candidates in the extragalactic fields

In this second paper on the DECam deep drilling field (DDF) program we release 2,020 optical gri-band light curves for transients and variables in the extragalactic COSMOS and ELAIS fields based on time series observations with a 3-day…

High Energy Astrophysical Phenomena · Physics 2024-11-12 Melissa L. Graham , Midori Rollins , Robert A. Knop , Suhail Dhawan , Gloria Fonseca Alvarez , Christopher A. Phillips , Guy Nir , Emily Ramey , Peter E. Nugent

Overview of the Instrumentation for the Dark Energy Spectroscopic Instrument

The Dark Energy Spectroscopic Instrument (DESI) has embarked on an ambitious five-year survey to explore the nature of dark energy with spectroscopy of 40 million galaxies and quasars. DESI will determine precise redshifts and employ the…

Instrumentation and Methods for Astrophysics · Physics 2023-03-15 B. Abareshi , J. Aguilar , S. Ahlen , Shadab Alam , David M. Alexander , R. Alfarsy , L. Allen , C. Allende Prieto , O. Alves , J. Ameel , E. Armengaud , J. Asorey , Alejandro Aviles , S. Bailey , A. Balaguera-Antolínez , O. Ballester , C. Baltay , A. Bault , S. F. Beltran , B. Benavides , S. BenZvi , A. Berti , R. Besuner , Florian Beutler , D. Bianchi , C. Blake , P. Blanc , R. Blum , A. Bolton , S. Bose , D. Bramall , S. Brieden , A. Brodzeller , D. Brooks , C. Brownewell , E. Buckley-Geer , R. N. Cahn , Z. Cai , R. Canning , A. Carnero Rosell , P. Carton , R. Casas , F. J. Castander , J. L. Cervantes-Cota , S. Chabanier , E. Chaussidon , C. Chuang , C. Circosta , S. Cole , A. P. Cooper , L. da Costa , M. -C. Cousinou , A. Cuceu , T. M. Davis , K. Dawson , R. de la Cruz-Noriega , A. de la Macorra , A. de Mattia , J. Della Costa , P. Demmer , M. Derwent , A. Dey , B. Dey , G. Dhungana , Z. Ding , C. Dobson , P. Doel , J. Donald-McCann , J. Donaldson , K. Douglass , Y. Duan , P. Dunlop , J. Edelstein , S. Eftekharzadeh , D. J. Eisenstein , M. Enriquez-Vargas , S. Escoffier , M. Evatt , P. Fagrelius , X. Fan , K. Fanning , V. A. Fawcett , S. Ferraro , J. Ereza , B. Flaugher , A. Font-Ribera , J. E. Forero-Romero , C. S. Frenk , S. Fromenteau , B. T. Gänsicke , C. Garcia-Quintero , L. Garrison , E. Gaztañaga , F. Gerardi , H. Gil-Marín , S. Gontcho A Gontcho , Alma X. Gonzalez-Morales , G. Gonzalez-de-Rivera , V. Gonzalez-Perez , C. Gordon , O. Graur , D. Green , C. Grove , D. Gruen , G. Gutierrez , J. Guy , C. Hahn , S. Harris , D. Herrera , Hiram K. Herrera-Alcantar , K. Honscheid , C. Howlett , D. Huterer , V. Iršič , M. Ishak , P. Jelinsky , L. Jiang , J. Jimenez , Y. P. Jing , R. Joyce , E. Jullo , S. Juneau , N. G. Karaçaylı , M. Karamanis , A. Karcher , T. Karim , R. Kehoe , S. Kent , D. Kirkby , T. Kisner , F. Kitaura , S. E. Koposov , A. Kovács , A. Kremin , Alex Krolewski , B. L'Huillier , O. Lahav , A. Lambert , C. Lamman , Ting-Wen Lan , M. Landriau , S. Lane , D. Lang , J. U. Lange , J. Lasker , L. Le Guillou , A. Leauthaud , A. Le Van Suu , Michael E. Levi , T. S. Li , C. Magneville , M. Manera , Christopher J. Manser , B. Marshall , W. McCollam , P. McDonald , Aaron M. Meisner , J. Mena-Fernández M. Mezcua , T. Miller , R. Miquel , P. Montero-Camacho , J. Moon , J. Paul Martini , J. Meneses-Rizo , J. Moustakas , E. Mueller , Andrea Muñoz-Gutiérrez , Adam D. Myers , S. Nadathur , J. Najita , L. Napolitano , E. Neilsen , Jeffrey A. Newman , J. D. Nie , Y. Ning , G. Niz , P. Norberg , Hernán E. Noriega , T. O'Brien , A. Obuljen , N. Palanque-Delabrouille , A. Palmese , P. Zhiwei , D. Pappalardo , X. Peng , W. J. Percival , S. Perruchot , R. Pogge , C. Poppett , A. Porredon , F. Prada , J. Prochaska , R. Pucha , A. Pérez-Fernández , I. Pérez-Ráfols , D. Rabinowitz , A. Raichoor , S. Ramirez-Solano , César Ramírez-Pérez , C. Ravoux , K. Reil , M. Rezaie , A. Rocher , C. Rockosi , N. A. Roe , A. Roodman , A. J. Ross , G. Rossi , R. Ruggeri , V. Ruhlmann-Kleider , C. G. Sabiu , S. Safonova , K. Said , A. Saintonge , Javier Salas Catonga , L. Samushia , E. Sanchez , C. Saulder , E. Schaan , E. Schlafly , D. Schlegel , J. Schmoll , D. Scholte , M. Schubnell , A. Secroun , H. Seo , S. Serrano , Ray M. Sharples , Michael J. Sholl , Joseph Harry Silber , D. R. Silva , M. Sirk , M. Siudek , A. Smith , D. Sprayberry , R. Staten , B. Stupak , T. Tan , Gregory Tarlé , Suk Sien Tie , R. Tojeiro , L. A. Ureña-López , F. Valdes , O. Valenzuela , M. Valluri , M. Vargas-Magaña , L. Verde , M. Walther , B. Wang , M. S. Wang , B. A. Weaver , C. Weaverdyck , R. Wechsler , Michael J. Wilson , J. Yang , Y. Yu , S. Yuan , Christophe Yèche , H. Zhang , K. Zhang , Cheng Zhao , Rongpu Zhou , Zhimin Zhou , H. Zou , J. Zou , S. Zou , Y. Zu

The Target-selection Pipeline for the Dark Energy Spectroscopic Instrument

In 2021 May, the Dark Energy Spectroscopic Instrument (DESI) began a 5 yr survey of approximately 50 million total extragalactic and Galactic targets. The primary DESI dark-time targets are emission line galaxies (ELGs), luminous red…

Instrumentation and Methods for Astrophysics · Physics 2023-01-18 Adam D. Myers , John Moustakas , Stephen Bailey , Benjamin A. Weaver , Andrew P. Cooper , Jaime E. Forero-Romero , Bela Abolfathi , David M. Alexander , David Brooks , Edmond Chaussidon , Chia-Hsun Chuang , Kyle Dawson , Arjun Dey , Biprateep Dey , Govinda Dhungana , Peter Doel , Kevin Fanning , Enrique Gaztañaga , Satya Gontcho A Gontcho , Alma X. Gonzalez-Morales , ChangHoon Hahn , Hiram K. Herrera-Alcantar , Klaus Honscheid , Mustapha Ishak , Tanveer Karim , David Kirkby , Theodore Kisner , Sergey E. Koposov , Anthony Kremin , Ting-Wen Lan , Martin Landriau , Dustin Lang , Michael E. Levi , Christophe Magneville , Lucas Napolitano , Paul Martini , Aaron Meisner , Jeffrey A. Newman , Nathalie Palanque-Delabrouille , Will Percival , Claire Poppett , Francisco Prada , Anand Raichoor , Ashley J. Ross , Edward F. Schlafly , David Schlegel , Michael Schubnell , Ting Tan , Gregory Tarle , Michael J. Wilson , Christophe Yèche , Rongpu Zhou , Zhimin Zhou , Hu Zou

DESI z >~ 5 Quasar Survey. I. A First Sample of 400 New Quasars at z ~ 4.7-6.6

We report the first results of a high-redshift ($z$ >~ 5) quasar survey using the Dark Energy Spectroscopic Instrument (DESI). As a DESI secondary target program, this survey is designed to carry out a systematic search and investigation of…

Astrophysics of Galaxies · Physics 2024-02-26 Jinyi Yang , Xiaohui Fan , Ansh Gupta , Adam Myers , Nathalie Palanque-Delabrouille , Feige Wang , Christophe Yèche , Jessica Nicole Aguilar , Steven Ahlen , David Alexander , David Brooks , Kyle Dawson , Axel de la Macorra , Arjun Dey , Govinda Dhungana , Kevin Fanning , Andreu Font-Ribera , Satya Gontcho , Julien Guy , Klaus Honscheid , Stephanie Juneau , Theodore Kisner , Anthony Kremin , Laurent Le Guillou , Michael Levi , Christophe Magneville , Paul Martini , Aaron Meisner , Ramon Miquel , John Moustakas , Jundan Nie , Will Percival , Claire Poppett , Francisco Prada , Edward Schlafly , Gregory Tarlé , Mariana Vargas Magana , Benjamin Alan Weaver , Risa Wechsler , Rongpu Zhou , Zhimin Zhou , Hu Zou

Strong lensing of tidal disruption events: Detection rates in imaging surveys

Tidal disruption events (TDEs) are multi-messenger transients in which a star is tidally destroyed by a supermassive black hole at the center of galaxies. The Rubin Observatory Legacy Survey of Space and Time (LSST) is anticipated to…

High Energy Astrophysical Phenomena · Physics 2024-10-30 K. Szekerczes , T. Ryu , S. H. Suyu , S. Huber , M. Oguri , L. Dai

DESAlert: Enabling Real-Time Transient Follow-Up with Dark Energy Survey Data

The Dark Energy Survey (DES) is currently undertaking an observational program imaging $1/4$ of the southern hemisphere sky with unprecedented photometric accuracy. In the process of observing millions of faint stars and galaxies to…

High Energy Astrophysical Phenomena · Physics 2016-10-05 A. Poci , K. Kuehn , the DES Collaboration , : , T. Abbott , F. B. Abdalla , S. Allam , A. H. Bauer , A. Benoit-Lévy , E. Bertin , D. Brooks , P. J. Brown , E. Buckley-Geer , D. L. Burke , A. Carnero Rosell , M. Carrasco Kind , R. Covarrubias , L. N. da Costa , C. B. D'Andrea , D. L. DePoy , S. Desai , J. P. Dietrich , C. E Cunha , T. F. Eifler , J. Estrada , A. E. Evrard , A. Fausti Neto , D. A. Finley , B. Flaugher , P. Fosalba , J. Frieman , D. Gerdes , D. Gruen , R. A. Gruendl , K. Honscheid , D. James , N. Kuropatkin , O. Lahav , T. S. Li , M. March , J. Marshall , K. W. Merritt , C. J. Miller , R. C. Nichol , B. Nord , R. Ogando , A. A. Plazas , A. K. Romer , A. Roodman , E. S. Rykoff , M. Sako , E. Sanchez , V. Scarpine , M. Schubnell , I. Sevilla , C. Smith , M. Soares-Santos , F. Sobreira , E. Suchyta , M. E. C. Swanson , G. Tarle , J. Thaler , R. C. Thomas , D. Tucker , A. R. Walker , W. Wester

Identification and photometric classification of extragalactic transients in the Vera C. Rubin Observatory's Data Preview 1

The Vera C. Rubin Observatory will soon survey the southern sky, delivering a depth and sky coverage that is unprecedented in time domain astronomy. As part of commissioning, Data Preview 1 (DP1) has been released. It comprises a LSSTComCam…

High Energy Astrophysical Phenomena · Physics 2025-11-11 James Freeburn , Igor Andreoni , Kaylee M. de Soto , Cristina Andrade , Akash Anumarlapudi , Tyler Barna , Jonathan Carney , Sushant Sharma Chaudhary , Michael W. Coughlin , Felipe Fontinele Nunes , Sarah Teague , Mickael Rigault , V. Ashley Villar , Gloria Fonseca Alvarez , Federica B. Bianco , Alexandre Boucaud , Dominique Boutigny , Andrew Bradshaw , Hsin-Fang Chiang , Phil N. Daly , Felipe Daruich , Guillaume Daubard , Holger Drass , Laurent Le Guillou , Leanne P. Guy , Patrick Ingraham , M. James Jee , Steven M. Kahn , Yijung Kang , Arun Kannawadi , Lee S. Kelvin , Didier Laporte , Shuang Liang , Nate B. Lust , Mostafa Lutfi , Gabriele Mainetti , Andrés A. Plazas Malagón , Felipe Menanteau , David J. Mills , Marc Moniez , Erfan Nourbakhsh , Russell E. Owen , Maria T. Patterson , John R. Peterson , Wouter van Reeven , Vincent J. Riot , William Roby , David Sanmartim , Jacques Sebag , Nima Sedaghat , Richard A. Shaw , Alysha Shugart , Krzysztof Suberlak , John D. Swinbank , Dan S. Taranu , Charlotte Ward , Christopher Z. Waters , W. M. Wood-Vasey

Data Release 1 of the Dark Energy Spectroscopic Instrument

In 2021 May the Dark Energy Spectroscopic Instrument (DESI) collaboration began a 5-year spectroscopic redshift survey to produce a detailed map of the evolving three-dimensional structure of the universe between $z=0$ and $z\approx4$.…

Cosmology and Nongalactic Astrophysics · Physics 2026-03-06 DESI Collaboration , M. Abdul Karim , A. G. Adame , D. Aguado , J. Aguilar , S. Ahlen , S. Alam , G. Aldering , D. M. Alexander , R. Alfarsy , L. Allen , C. Allende Prieto , O. Alves , A. Anand , U. Andrade , E. Armengaud , S. Avila , A. Aviles , H. Awan , S. Bailey , A. Baleato Lizancos , O. Ballester , A. Bault , J. Bautista , R. Bean , J. Behera , S. BenZvi , L. Beraldo e Silva , J. R. Bermejo-Climent , F. Beutler , D. Bianchi , C. Blake , R. Blum , A. S. Bolton , M. Bonici , S. Brieden , A. Brodzeller , D. Brooks , E. Buckley-Geer , E. Burtin , A. Byström , R. Canning , A. Carnero Rosell , A. Carr , P. Carrilho , L. Casas , F. J. Castander , R. Cereskaite , J. L. Cervantes-Cota , E. Chaussidon , J. Chaves-Montero , S. Chen , X. Chen , C. Circosta , T. Claybaugh , S. Cole , A. P. Cooper , M. -C. Cousinou , A. Cuceu , T. M. Davis , K. S. Dawson , R. de Belsunce , R. de la Cruz , A. de la Macorra , A. de Mattia , N. Deiosso , J. Della Costa , R. Demina , U. Demirbozan , J. DeRose , A. Dey , B. Dey , J. Ding , Z. Ding , P. Doel , K. Douglass , M. Dowicz , H. Ebina , J. Edelstein , D. J. Eisenstein , W. Elbers , N. Emas , S. Escoffier , P. Fagrelius , X. Fan , K. Fanning , G. Favole , V. A. Fawcett , E. Fernández-García , S. Ferraro , N. Findlay , A. Font-Ribera , J. E. Forero-Romero , D. Forero-Sánchez , C. S. Frenk , B. T. Gänsicke , L. Galbany , J. García-Bellido , C. Garcia-Quintero , L. H. Garrison , E. Gaztañaga , H. Gil-Marín , A. Gloudemans , O. Y. Gnedin , S. Gontcho A Gontcho , D. Gonzalez , A. X. Gonzalez-Morales , V. Gonzalez-Perez , C. Gordon , O. Graur , D. Green , D. Gruen , R. Gsponer , C. Guandalin , G. Gutierrez , J. Guy , C. Hahn , J. J. Han , J. Han , S. He , H. K. Herrera-Alcantar , S. Heydenreich , K. Honscheid , J. Hou , C. Howlett , D. Huterer , V. Iršič , M. Ishak , A. Jacques , L. Jiang , J. Jimenez , Y. P. Jing , B. Joachimi , S. Joudaki , R. Joyce , E. Jullo , S. Juneau , N. G. Karaçaylı , T. Karim , R. Kehoe , S. Kent , A. Khederlarian , D. Kirkby , T. Kisner , F. -S. Kitaura , N. Kizhuprakkat , H. Kong , S. E. Koposov , A. Kremin , A. Krolewski , O. Lahav , Y. Lai , C. Lamman , T. -W. Lan , M. Landriau , D. Lang , J. U. Lange , J. Lasker , J. M. Le Goff , L. Le Guillou , A. Leauthaud , M. E. Levi , S. Li , T. S. Li , W. Liu , K. Lodha , M. Lokken , Y. Luo , Y. Luo , C. Magneville , M. Manera , C. J. Manser , D. Margala , P. Martini , M. Maus , J. McCullough , P. McDonald , G. E. Medina , L. Medina-Varela , A. Meisner , J. Mena-Fernández , A. Menegas , J. Meneses-Rizo , M. Mezcua , R. Miquel , P. Montero-Camacho , J. Moon , J. Moustakas , A. Muñoz-Gutiérrez , D. Muñoz-Santos , A. D. Myers , J. Myles , S. Nadathur , J. Najita , L. Napolitano , J. A. Newman , F. Nikakhtar , R. Nikutta , G. Niz , H. E. Noriega , P. Nugent , N. Padmanabhan , E. Paillas , N. Palanque-Delabrouille , A. Palmese , J. Pan , Z. Pan , D. Parkinson , J. A. Peacock , M. P. Ibanez , W. J. Percival , A. Pérez-Fernández , I. Pérez-Ràfols , P. Peterson , J. Piat , M. M. Pieri , M. Pinon , C. Poppett , A. Porredon , F. Prada , R. Pucha , F. Qin , D. Rabinowitz , A. Raichoor , C. Ramírez-Pérez , S. Ramirez-Solano , M. Rashkovetskyi , C. Ravoux , B. Ried Guachalla , A. H. Riley , A. Rocher , C. Rockosi , J. Rohlf , A. J. Rosado-Marín , A. J. Ross , C. Ross , G. Rossi , R. Ruggeri , V. Ruhlmann-Kleider , C. G. Sabiu , K. Said , N. Sailer , A. Saintonge , Y. Salcedo Hernandez , L. Samushia , E. Sanchez , N. Sanders , N. Sandford , S. Satyavolu , C. Saulder , A. K. Saydjari , E. F. Schlafly , D. Schlegel , D. Scholte , M. Schubnell , A. Semenaite , H. Seo , A. Shafieloo , R. Sharples , J. Silber , F. Sinigaglia , M. Siudek , Z. Slepian , A. Smith , M. Soumagnac , D. Sprayberry , J. Suárez-Pérez , J. Swanson , T. Tan , G. Tarlé , P. Taylor , G. Thomas , R. Tojeiro , R. J. Turner , W. Turner , L. A. Ureña-López , R. Vaisakh , M. Valluri , G. Valogiannis , M. Vargas-Magaña , L. Verde , P. Vielzeuf , M. Walther , B. Wang , M. S. Wang , W. Wang , B. A. Weaver , N. Weaverdyck , R. H. Wechsler , D. H. Weinberg , M. White , A. Whitford , M. Wolfson , J. Yang , C. Yèche , S. Youles , J. Yu , S. Yuan , E. A. Zaborowski , P. Zarrouk , H. Zhang , C. Zhao , R. Zhao , Z. Zheng , C. Zhou , R. Zhou , Y. Zhou , H. Zou , S. Zou , Y. Zu

The Deep Lens Survey Transient Search I : Short Timescale and Astrometric Variability

We report on the methodology and first results from the Deep Lens Survey transient search. We utilize image subtraction on survey data to yield all sources of optical variability down to 24th magnitude. Images are analyzed immediately after…

Astrophysics · Physics 2009-11-10 A. C. Becker , D. M. Wittman , P. C. Boeshaar , A. Clocchiatti , I. P. Dell'Antonio , D. A. Frail , J. Halpern , V. E. Margoniner , D. Norman , J. A. Tyson , R. A. Schommer

Target Selection and Validation of DESI Emission Line Galaxies

The Dark Energy Spectroscopic Instrument (DESI) will precisely constrain cosmic expansion and the growth of structure by collecting $\sim$40 million extra-galactic redshifts across $\sim$80\% of cosmic history and one third of the sky. The…

Cosmology and Nongalactic Astrophysics · Physics 2023-03-01 A. Raichoor , J. Moustakas , Jeffrey A. Newman , T. Karim , S. Ahlen , Shadab Alam , S. Bailey , D. Brooks , K. Dawson , A. de la Macorra , A. de Mattia , A. Dey , Biprateep Dey , G. Dhungana , S. Eftekharzadeh , D. J. Eisenstein , K. Fanning , A. Font-Ribera , J. Garcia-Bellido , E. Gaztanaga , S. Gontcho A Gontcho , J. Guy , K. Honscheid , M. Ishak , R. Kehoe , T. Kisner , A. Kremin , Ting-Wen Lan , M. Landriau , L. Le Guillou , Michael E. Levi , C. Magneville , P. Martini , Aaron M. Meisner , Adam D. Myers , Jundan Nie , N. Palanque-Delabrouille , W. J. Percival , C. Poppett , F. Prada , A. J. Ross , V. Ruhlmann-Kleider , C. G. Sabiu , E. F. Schlafly , D. Schlegel , Gregory Tarle , B. A. Weaver , Christophe Yeche , Rongpu Zhou , Zhimin Zhou , H. Zou

Detectability of Strongly Gravitationally Lensed Tidal Disruption Events

More than 100 tidal disruption events (TDEs) have been detected at multi-bands, which can be viewed as extreme laboratories to investigate the accretion physics and gravity in the immediate vicinity of massive black holes. Future transient…

High Energy Astrophysical Phenomena · Physics 2024-01-26 Zhiwei Chen , Youjun Lu , Yunfeng Chen

TTC: Transformer-based TDE Classifier for the Wide Field Survey Telescope (WFST)

We propose the Transformer-based Tidal disruption events (TDE) Classifier (\texttt{TTC}), specifically designed to operate effectively with both real-time alert streams and archival data of the Wide Field Survey Telescope (WFST). It aims to…

Instrumentation and Methods for Astrophysics · Physics 2026-01-01 Ranfang Zheng , Zheyu Lin , Xu Kong , Dezheng Meng , Zelin Xu , Lulu Fan , Ji-an Jiang , Ning Jiang , Jie Lin , Tinggui Wang , Qingfeng Zhu , Feng Li , Ming Liang , Hao Liu , Zheng Lou , Wentao Luo , Jinlong Tang , Hairen Wang , Jian Wang , Yongquan Xue , Dazhi Yao , Hong-fei Zhang , Wen Zhao , Xianzhong Zheng , Yingxi Zuo

Finding Strong Gravitational Lenses in the DESI DECam Legacy Survey

We perform a semi-automated search for strong gravitational lensing systems in the 9,000 deg$^2$ Dark Energy Camera Legacy Survey (DECaLS), part of the DESI Legacy Imaging Surveys (Dey et al.). The combination of the depth and breadth of…

Astrophysics of Galaxies · Physics 2021-02-16 X. Huang , M. Domingo , A. Pilon , V. Ravi , C. Storfer , D. J. Schlegel , S. Bailey , A. Dey , D. Herrera , S. Juneau , M. Landriau , D. Lang , A. Meisner , J. Moustakas , A. D. Myers , E. F. Schlafly , F. Valdes , B. A. Weaver , J. Yang , C. Yeche

Identifying Tidal Disruption Events via Prior Photometric Selection of Their Preferred Hosts

A nuclear transient detected in a post-starburst galaxy or other quiescent galaxy with strong Balmer absorption is likely to be a Tidal Disruption Event (TDE). Identifying such galaxies within the planned survey footprint of the Large…

Astrophysics of Galaxies · Physics 2018-11-29 K. Decker French , Ann I. Zabludoff

The Final Season Reimagined: 30 Tidal Disruption Events from the ZTF-I Survey

Tidal disruption events (TDEs) offer a unique way to study dormant black holes. While the number of observed TDEs has grown thanks to the emergence of wide-field surveys in the past few decades, questions regarding the nature of the…

High Energy Astrophysical Phenomena · Physics 2023-01-04 Erica Hammerstein , Sjoert van Velzen , Suvi Gezari , S. Bradley Cenko , Yuhan Yao , Charlotte Ward , Sara Frederick , Natalia Villanueva , Jean J. Somalwar , Matthew J. Graham , Shrinivas R. Kulkarni , Daniel Stern , Igor Andreoni , Eric C. Bellm , Richard Dekany , Suhail Dhawan , Andrew J. Drake , Christoffer Fremling , Pradip Gatkine , Steven L. Groom , Anna Y. Q. Ho , Mansi M. Kasliwal , Viraj Karambelkar , Erik C. Kool , Frank J. Masci , Michael S. Medford , Daniel A. Perley , Josiah Purdum , Jan van Roestel , Yashvi Sharma , Jesper Sollerman , Kirsty Taggart , Lin Yan

All-purpose, all-sky photometric redshifts for the Legacy Imaging Surveys Data Release 8

In this paper we present photometric redshift (photo-$z$) estimates for the Dark Energy Spectroscopic Instrument (DESI) Legacy Imaging Surveys, currently the most sensitive optical survey covering the majority of the extra-galactic sky. Our…

Astrophysics of Galaxies · Physics 2022-03-14 Kenneth J. Duncan

Unraveling the Universe with DESI

The Dark Energy Spectroscopic Instrument (DESI) is a stage IV ground-based dark energy experiment planned to begin operations in 2020. In this article, we provided a short review of DESI presented during the conference {\it Recontres de…

Instrumentation and Methods for Astrophysics · Physics 2019-01-08 Mariana Vargas-Magana , David D. Brooks , Michael M. Levi , Gregory G. Tarle