Search for extended Lyman-α emission around 9k quasars at z = 2–3

Shimakawa, Rhythm

doi:10.1093/mnras/stac1575

Title: Search for extended Lyman-α emission around 9k quasars at z = 2–3

Journal Article · 09 June 2022 · Monthly Notices of the Royal Astronomical Society

DOI: https://doi.org/10.1093/mnras/stac1575 · OSTI ID:1874399

ABSTRACT Enormous Lyα nebulae (ELANe) around quasars have provided unique insights into the formation of massive galaxies and their associations with super-massive black holes since their discovery. However, their detection remains highly limited. This paper introduces a systematic search for extended Lyα emission around 8683 quasars at z = 2.34–3.00 using a simple but very effective broad-band gri selection based on the Third Public Data Release of the Hyper Suprime-Cam Subaru Strategic Program. Although the broad-band selection detects only bright Lyα emission (≳ 1 × 10−17 erg s−1cm−2 arcsec−2) compared with narrow-band imaging and integral field spectroscopy, we can apply this method to far more sources than such common approaches. We first generated continuum g-band images without contributions from Lyα emission for host and satellite galaxies using r- and i-bands. Then, we established Lyα maps by subtracting them from observed g-band images with Lyα emissions. Consequently, we discovered extended Lyα emission (with masked area >40 arcsec2) for 7 and 32 out of 366 and 8317 quasars in the Deep and Ultra-deep (35 deg2) and Wide (890 deg2) layers, parts of which may be potential candidates of ELANe. However, none of them seem to be equivalent to the largest ELANe ever found. We detected higher fractions of quasars with large nebulae around more luminous or radio-loud quasars, supporting previous results. Future applications to the forthcoming big data from the Vera C. Rubin Observatory will help us detect more promising candidates. The source catalogue and obtained Lyα properties for all the quasar targets are accessible as online material.

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Research Organization:: US Department of Energy (USDOE), Washington, DC (United States). Office of Science, Sloan Digital Sky Survey (SDSS)

Sponsoring Organization:: Alfred P. Sloan Foundation; USDOE; USDOE Office of Science (SC)

OSTI ID:: 1874399

Journal Information:: Monthly Notices of the Royal Astronomical Society, Journal Name: Monthly Notices of the Royal Astronomical Society Journal Issue: 3 Vol. 514; ISSN 0035-8711

Publisher:: Oxford University PressCopyright Statement

Country of Publication:: United Kingdom

Language:: English

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The DEIMOS 10K Spectroscopic Survey Catalog of the COSMOS Field Hasinger, G.; Capak, P.; Salvato, M. The Astrophysical Journal, Vol. 858, Issue 2 https://doi.org/10.3847/1538-4357/aabacf	journal	May 2018
Momentum-driven Winds from Radiatively Efficient Black Hole Accretion and Their Impact on Galaxies Brennan, Ryan; Choi, Ena; Somerville, Rachel S. The Astrophysical Journal, Vol. 860, Issue 1 https://doi.org/10.3847/1538-4357/aac2c4	journal	June 2018
LSST: From Science Drivers to Reference Design and Anticipated Data Products Ivezić, Željko; Kahn, Steven M.; Tyson, J. Anthony The Astrophysical Journal, Vol. 873, Issue 2 https://doi.org/10.3847/1538-4357/ab042c	journal	March 2019
Ly α Halos around z ∼ 6 Quasars Drake, Alyssa B.; Farina, Emanuele Paolo; Neeleman, Marcel The Astrophysical Journal, Vol. 881, Issue 2 https://doi.org/10.3847/1538-4357/ab2984	journal	August 2019
The Cold Circumgalactic Environment of MAMMOTH-I: Dynamically Cold Gas in the Core of an Enormous Ly α Nebula Emonts, Bjorn H. C.; Cai, Zheng; Prochaska, J. Xavier The Astrophysical Journal, Vol. 887, Issue 1 https://doi.org/10.3847/1538-4357/ab45f4	journal	December 2019
The REQUIEM Survey. I. A Search for Extended Ly α Nebular Emission Around 31 z > 5.7 Quasars Farina, Emanuele Paolo; Arrigoni-Battaia, Fabrizio; Costa, Tiago The Astrophysical Journal, Vol. 887, Issue 2 https://doi.org/10.3847/1538-4357/ab5847	journal	December 2019
Metal Enrichment in the Circumgalactic Medium and Ly α Halos around Quasars at z ∼ 3 Guo, Yucheng; Maiolino, Roberto; Jiang, Linhua The Astrophysical Journal, Vol. 898, Issue 1 https://doi.org/10.3847/1538-4357/ab9b7f	journal	July 2020
Extremely Metal-poor Representatives Explored by the Subaru Survey (EMPRESS). I. A Successful Machine-learning Selection of Metal-poor Galaxies and the Discovery of a Galaxy with M * < 10 ⁶ M _⊙ and 0.016 Z _⊙ Kojima, Takashi; Ouchi, Masami; Rauch, Michael The Astrophysical Journal, Vol. 898, Issue 2 https://doi.org/10.3847/1538-4357/aba047	journal	August 2020
The Origin and Evolution of Lyα Blobs in Cosmological Galaxy Formation Simulations Kimock, Benjamin; Narayanan, Desika; Smith, Aaron The Astrophysical Journal, Vol. 909, Issue 2 https://doi.org/10.3847/1538-4357/abbe89	journal	March 2021
A Multiwavelength Study of ELAN Environments (AMUSE ² ). Detection of a Dusty Star-forming Galaxy within the Enormous Lyα Nebula at z=2.3 Sheds Light on its Origin Chen, Chian-Chou; Arrigoni Battaia, Fabrizio; Emonts, Bjorn H. C. The Astrophysical Journal, Vol. 923, Issue 2 https://doi.org/10.3847/1538-4357/ac2b9d	journal	December 2021
Mapping the Morphology and Kinematics of a Lyα-selected Nebula at z = 3.15 with MUSE Sanderson, Kelly N.; Prescott, Moire K. M.; Christensen, Lise The Astrophysical Journal, Vol. 923, Issue 2 https://doi.org/10.3847/1538-4357/ac3077	journal	December 2021
A Multiwavelength Study of ELAN Environments (AMUSE ² ). Mass Budget, Satellites Spin Alignment, and Gas Infall in a Massive z ∼ 3 Quasar Host Halo Arrigoni Battaia, Fabrizio; Chen, Chian-Chou; Liu, Hau-Yu Baobab The Astrophysical Journal, Vol. 930, Issue 1 https://doi.org/10.3847/1538-4357/ac5a4d	journal	May 2022
The Fifteenth Data Release of the Sloan Digital Sky Surveys: First Release of MaNGA-derived Quantities, Data Visualization Tools, and Stellar Library Aguado, D. S.; Ahumada, Romina; Almeida, Andrés The Astrophysical Journal Supplement Series, Vol. 240, Issue 2 https://doi.org/10.3847/1538-4365/aaf651	journal	January 2019
Evolution of the Cool Gas in the Circumgalactic Medium of Massive Halos: A Keck Cosmic Web Imager Survey of Ly α Emission around QSOs at z ≈ 2 Cai, Zheng; Cantalupo, Sebastiano; Prochaska, J. Xavier The Astrophysical Journal Supplement Series, Vol. 245, Issue 2 https://doi.org/10.3847/1538-4365/ab4796	journal	November 2019
The Sloan Digital Sky Survey Quasar Catalog: Sixteenth Data Release Lyke, Brad W.; Higley, Alexandra N.; McLane, J. N. The Astrophysical Journal Supplement Series, Vol. 250, Issue 1 https://doi.org/10.3847/1538-4365/aba623	journal	August 2020
Keck/Palomar Cosmic Web Imagers Reveal an Enormous Ly α Nebula in an Extremely Overdense Quasi-stellar Object Pair Field at z = 2.45 Cai, Zheng; Hamden, Erika; Matuszewski, Matt The Astrophysical Journal, Vol. 861, Issue 1 https://doi.org/10.3847/2041-8213/aacce6	journal	June 2018
Massive Molecular Outflow and 100 kpc Extended Cold Halo Gas in the Enormous Lyα Nebula of QSO 1228+3128 Li, Jianrui; Emonts, Bjorn H. C.; Cai, Zheng The Astrophysical Journal Letters, Vol. 922, Issue 2 https://doi.org/10.3847/2041-8213/ac390d	journal	November 2021
Evidence for Cold-stream to Hot-accretion Transition as Traced by Lyα Emission from Groups and Clusters at 2 < z < 3.3 Daddi, E.; Rich, R. M.; Valentino, F. The Astrophysical Journal Letters, Vol. 926, Issue 2 https://doi.org/10.3847/2041-8213/ac531f	journal	February 2022
LMFIT: Non-Linear Least-Square Minimization and Curve-Fitting for Python Newville, Matthew; Stensitzki, Till; Allen, Daniel B. Zenodo https://doi.org/10.5281/zenodo.11813	software	September 2014

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