Characterizing the target selection pipeline for the Dark Energy Spectroscopic Instrument Bright Galaxy Survey
Abstract
We present the steps taken to produce a reliable and complete input galaxy catalogue for the Dark Energy Spectroscopic Instrument (DESI) Bright Galaxy Survey (BGS) using the photometric Legacy Survey DR8 DECam. We analyse some of the main issues faced in the selection of targets for the DESI BGS, such as star–galaxy separation, contamination by fragmented stars and bright galaxies. Our pipeline utilizes a new way to select BGS galaxies using Gaia photometry and we implement geometrical and photometric masks that reduce the number of spurious objects. The resulting catalogue is cross-matched with the Galaxy And Mass Assembly (GAMA) survey to assess the completeness of the galaxy catalogue and the performance of the target selection. We also validate the clustering of the sources in our BGS catalogue by comparing with mock catalogues and the Sloan Digital Sky Survey (SDSS) data. Finally, the robustness of the BGS selection criteria is assessed by quantifying the dependence of the target galaxy density on imaging and other properties. The largest systematic correlation we find is a 7 percent suppression of the target density in regions of high stellar density.
- Authors:
-
more »
- Institute for Computational Cosmology, Department of Physics, Durham University, South Road, Durham DH1 3LE, UK, Institute for Data Science, Durham University, South Road, Durham DH1 3LE, UK
- Institute for Computational Cosmology, Department of Physics, Durham University, South Road, Durham DH1 3LE, UK
- Institute for Computational Cosmology, Department of Physics, Durham University, South Road, Durham DH1 3LE, UK, Centre for Extragalactic Astronomy, Department of Physics, Durham University, South Road, Durham DH1 3LE, UK
- Centre for Extragalactic Astronomy, Department of Physics, Durham University, South Road, Durham DH1 3LE, UK
- NSF’s National Optical-Infrared Astronomy Research Laboratory, 950 N. Cherry Ave., Tucson, AZ 85719, USA
- Harvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, MA 02138, USA
- Department of Physics and Astronomy, University College London, Gower Street, London WC1E 6BT, UK
- Institute of Space Sciences (ICE, CSIC), Campus UAB, Carrer de Can Magrans, s/n, E-08193 Bellaterra (Barcelona), Spain
- Lawrence Berkeley National Laboratory, One Cyclotron Road, Berkeley, CA 94720, USA, Berkeley Center for Cosmological Physics, UC Berkeley, Berkeley, CA 94720, USA
- Department of Physics, Southern Methodist University, 3215 Daniel Avenue, Dallas, TX 75205, USA
- Department of Physics, University of California-Berkeley, 366 LeConte Hall, Berkeley, CA 94720, USA
- Lawrence Berkeley National Laboratory, One Cyclotron Road, Berkeley, CA 94720, USA
- Perimeter Institute for Theoretical Physics, 31 Caroline Street N, Waterloo, ON N2L 2Y5, Canada, Department of Physics and Astronomy, University of Waterloo, Waterloo, ON N2L 3G1, Canada
- Department of Physics and Astronomy, Siena College, 515 Loudon Road, Loudonville, NY 12211, USA
- University of Wyoming, 1000 E. University Ave., Laramie, WY 82071, USA
- Instituto de Astrofisica de Andalucía, Glorieta de la Astronomía, s/n, E-18008 Granada, Spain
- Department of Physics, University of Michigan, Ann Arbor, MI 48109, USA
- Department of Astronomy and the Center for Cosmology and Astroparticle Physics, The Ohio State University, 140 West 18th Avenue, Columbus, OH 43210, USA
- Publication Date:
- Research Org.:
- Univ. of Wyoming, Laramie, WY (United States); Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States); Univ. of Michigan, Ann Arbor, MI (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), High Energy Physics (HEP); Mexican National Council of Science and Technology (CONACyT); European Research Council (ERC); Science and Technology Facilities Council (STFC) (United Kingdom); National Science Foundation (NSF)
- OSTI Identifier:
- 1767303
- Alternate Identifier(s):
- OSTI ID: 1787342; OSTI ID: 1814423; OSTI ID: 1870816
- Grant/Contract Number:
- SC0019022; SC002008; SC0019193; AC02-05CH11231; 297228/440775; 734374; ST/P000541/1; ST/T000244/1; AST-1616414; ST/K00042X/1; ST/P002293/1; ST/R002371/1; ST/R000832/1; AST-0950945
- Resource Type:
- Published Article
- Journal Name:
- Monthly Notices of the Royal Astronomical Society
- Additional Journal Information:
- Journal Name: Monthly Notices of the Royal Astronomical Society Journal Volume: 502 Journal Issue: 3; Journal ID: ISSN 0035-8711
- Publisher:
- Oxford University Press
- Country of Publication:
- United Kingdom
- Language:
- English
- Subject:
- 79 ASTRONOMY AND ASTROPHYSICS; Surveys; Catalogues; large-scale structure of Universe; Galaxies
Citation Formats
Ruiz-Macias, Omar, Zarrouk, Pauline, Cole, Shaun, Baugh, Carlton M., Norberg, Peder, Lucey, John, Dey, Arjun, Eisenstein, Daniel J., Doel, Peter, Gaztañaga, Enrique, Hahn, ChangHoon, Kehoe, Robert, Kitanidis, Ellie, Landriau, Martin, Lang, Dustin, Moustakas, John, Myers, Adam D., Prada, Francisco, Schubnell, Michael, Weinberg, David H., and Wilson, M. J.. Characterizing the target selection pipeline for the Dark Energy Spectroscopic Instrument Bright Galaxy Survey. United Kingdom: N. p., 2021.
Web. doi:10.1093/mnras/stab292.
Ruiz-Macias, Omar, Zarrouk, Pauline, Cole, Shaun, Baugh, Carlton M., Norberg, Peder, Lucey, John, Dey, Arjun, Eisenstein, Daniel J., Doel, Peter, Gaztañaga, Enrique, Hahn, ChangHoon, Kehoe, Robert, Kitanidis, Ellie, Landriau, Martin, Lang, Dustin, Moustakas, John, Myers, Adam D., Prada, Francisco, Schubnell, Michael, Weinberg, David H., & Wilson, M. J.. Characterizing the target selection pipeline for the Dark Energy Spectroscopic Instrument Bright Galaxy Survey. United Kingdom. https://doi.org/10.1093/mnras/stab292
Ruiz-Macias, Omar, Zarrouk, Pauline, Cole, Shaun, Baugh, Carlton M., Norberg, Peder, Lucey, John, Dey, Arjun, Eisenstein, Daniel J., Doel, Peter, Gaztañaga, Enrique, Hahn, ChangHoon, Kehoe, Robert, Kitanidis, Ellie, Landriau, Martin, Lang, Dustin, Moustakas, John, Myers, Adam D., Prada, Francisco, Schubnell, Michael, Weinberg, David H., and Wilson, M. J.. Wed .
"Characterizing the target selection pipeline for the Dark Energy Spectroscopic Instrument Bright Galaxy Survey". United Kingdom. https://doi.org/10.1093/mnras/stab292.
@article{osti_1767303,
title = {Characterizing the target selection pipeline for the Dark Energy Spectroscopic Instrument Bright Galaxy Survey},
author = {Ruiz-Macias, Omar and Zarrouk, Pauline and Cole, Shaun and Baugh, Carlton M. and Norberg, Peder and Lucey, John and Dey, Arjun and Eisenstein, Daniel J. and Doel, Peter and Gaztañaga, Enrique and Hahn, ChangHoon and Kehoe, Robert and Kitanidis, Ellie and Landriau, Martin and Lang, Dustin and Moustakas, John and Myers, Adam D. and Prada, Francisco and Schubnell, Michael and Weinberg, David H. and Wilson, M. J.},
abstractNote = {We present the steps taken to produce a reliable and complete input galaxy catalogue for the Dark Energy Spectroscopic Instrument (DESI) Bright Galaxy Survey (BGS) using the photometric Legacy Survey DR8 DECam. We analyse some of the main issues faced in the selection of targets for the DESI BGS, such as star–galaxy separation, contamination by fragmented stars and bright galaxies. Our pipeline utilizes a new way to select BGS galaxies using Gaia photometry and we implement geometrical and photometric masks that reduce the number of spurious objects. The resulting catalogue is cross-matched with the Galaxy And Mass Assembly (GAMA) survey to assess the completeness of the galaxy catalogue and the performance of the target selection. We also validate the clustering of the sources in our BGS catalogue by comparing with mock catalogues and the Sloan Digital Sky Survey (SDSS) data. Finally, the robustness of the BGS selection criteria is assessed by quantifying the dependence of the target galaxy density on imaging and other properties. The largest systematic correlation we find is a 7 percent suppression of the target density in regions of high stellar density.},
doi = {10.1093/mnras/stab292},
journal = {Monthly Notices of the Royal Astronomical Society},
number = 3,
volume = 502,
place = {United Kingdom},
year = {Wed Feb 03 00:00:00 EST 2021},
month = {Wed Feb 03 00:00:00 EST 2021}
}
https://doi.org/10.1093/mnras/stab292
Works referenced in this record:
A lightcone catalogue from the Millennium-XXL simulation
journal, June 2017
- Smith, Alex; Cole, Shaun; Baugh, Carlton
- Monthly Notices of the Royal Astronomical Society, Vol. 470, Issue 4
The SDSS galaxy angular two-point correlation function
journal, May 2013
- Wang, Y.; Brunner, R. J.; Dolence, J. C.
- Monthly Notices of the Royal Astronomical Society, Vol. 432, Issue 3
Spectroscopic Target Selection in the Sloan Digital Sky Survey: The Main Galaxy Sample
journal, September 2002
- Strauss, Michael A.; Weinberg, David H.; Lupton, Robert H.
- The Astronomical Journal, Vol. 124, Issue 3
SExtractor: Software for source extraction
journal, June 1996
- Bertin, E.; Arnouts, S.
- Astronomy and Astrophysics Supplement Series, Vol. 117, Issue 2
Maps of Dust Infrared Emission for Use in Estimation of Reddening and Cosmic Microwave Background Radiation Foregrounds
journal, June 1998
- Schlegel, David J.; Finkbeiner, Douglas P.; Davis, Marc
- The Astrophysical Journal, Vol. 500, Issue 2
Gaia Data Release 2 : Summary of the contents and survey properties
journal, August 2018
- Brown, A. G. A.; Vallenari, A.; Prusti, T.
- Astronomy & Astrophysics, Vol. 616
Improving galaxy clustering measurements with deep learning: analysis of the DECaLS DR7 data
journal, May 2020
- Rezaie, Mehdi; Seo, Hee-Jong; Ross, Ashley J.
- Monthly Notices of the Royal Astronomical Society, Vol. 495, Issue 2
Quasar and galaxy classification in Gaia Data Release 2
journal, October 2019
- Bailer-Jones, Coryn A. L.; Fouesneau, Morgan; Andrae, Rene
- Monthly Notices of the Royal Astronomical Society, Vol. 490, Issue 4
The Gaia mission
journal, November 2016
- Prusti, T.; de Bruijne, J. H. J.; Brown, A. G. A.
- Astronomy & Astrophysics, Vol. 595
Automated Star/Galaxy Classification for Digitized Poss-II
journal, June 1995
- Weir, Nicholas; Fayyad, Usama M.; Djorgovski, S.
- The Astronomical Journal, Vol. 109
Gaia Data Release 1 : Summary of the astrometric, photometric, and survey properties
journal, November 2016
- Brown, A. G. A.; Vallenari, A.; Prusti, T.
- Astronomy & Astrophysics, Vol. 595
IDENTIFICATION OF 1.4 MILLION ACTIVE GALACTIC NUCLEI IN THE MID-INFRARED USING WISE DATA
journal, October 2015
- Secrest, N. J.; Dudik, R. P.; Dorland, B. N.
- The Astrophysical Journal Supplement Series, Vol. 221, Issue 1
Gaia Data Release 1 : Principles of the photometric calibration of the
journal, November 2016
- Carrasco, J. M.; Evans, D. W.; Montegriffo, P.
- Astronomy & Astrophysics, Vol. 595
The dark Energy Camera
journal, October 2015
- Flaugher, B.; Diehl, H. T.; Honscheid, K.
- The Astronomical Journal, Vol. 150, Issue 5
Star-Galaxy Classification in Multi-Band Optical Imaging
journal, October 2012
- Fadely, Ross; Hogg, David W.; Willman, Beth
- The Astrophysical Journal, Vol. 760, Issue 1
healpy: equal area pixelization and spherical harmonics transforms for data on the sphere in Python
journal, March 2019
- Zonca, Andrea; Singer, Leo; Lenz, Daniel
- Journal of Open Source Software, Vol. 4, Issue 35
Galaxy And Mass Assembly (GAMA): end of survey report and data release 2
journal, July 2015
- Liske, J.; Baldry, I. K.; Driver, S. P.
- Monthly Notices of the Royal Astronomical Society, Vol. 452, Issue 2
HyperLEDA. III. The catalogue of extragalactic distances
journal, October 2014
- Makarov, Dmitry; Prugniel, Philippe; Terekhova, Nataliya
- Astronomy & Astrophysics, Vol. 570
Galaxy And Mass Assembly: the G02 field, Herschel–ATLAS target selection and data release 3
journal, November 2017
- Baldry, I. K.; Liske, J.; Brown, M. J. I.
- Monthly Notices of the Royal Astronomical Society, Vol. 474, Issue 3
Measuring Reddening with Sloan Digital sky Survey Stellar Spectra and Recalibrating sfd
journal, August 2011
- Schlafly, Edward F.; Finkbeiner, Douglas P.
- The Astrophysical Journal, Vol. 737, Issue 2
Overview of the DESI Legacy Imaging Surveys
journal, April 2019
- Dey, Arjun; Schlegel, David J.; Lang, Dustin
- The Astronomical Journal, Vol. 157, Issue 5
The Luminosity Function of Galaxies in SDSS Commissioning Data
journal, May 2001
- Blanton, Michael R.; Dalcanton, Julianne; Eisenstein, Daniel
- The Astronomical Journal, Vol. 121, Issue 5
The First Data Release of the Sloan Digital Sky Survey
journal, October 2003
- Abazajian, Kevork; Adelman-McCarthy, Jennifer K.; Ageros, Marcel A.
- The Astronomical Journal, Vol. 126, Issue 4
Galaxy and Mass Assembly (GAMA): survey diagnostics and core data release: GAMA
journal, March 2011
- Driver, S. P.; Hill, D. T.; Kelvin, L. S.
- Monthly Notices of the Royal Astronomical Society, Vol. 413, Issue 2
Galaxy And Mass Assembly (GAMA): the input catalogue and star-galaxy separation
journal, February 2010
- Baldry, I. K.; Robotham, A. S. G.; Hill, D. T.
- Monthly Notices of the Royal Astronomical Society
Automated star/galaxy discrimination with neural networks
journal, January 1992
- Odewahn, S. C.; Stockwell, E. B.; Pennington, R. L.
- The Astronomical Journal, Vol. 103
The Sixth Data Release of the Sloan Digital Sky Survey
journal, April 2008
- Adelman‐McCarthy, Jennifer K.; Agüeros, Marcel A.; Allam, Sahar S.
- The Astrophysical Journal Supplement Series, Vol. 175, Issue 2
Preliminary Target Selection for the DESI Bright Galaxy Survey (BGS)
journal, October 2020
- Ruiz-Macias, Omar; Zarrouk, Pauline; Cole, Shaun
- Research Notes of the AAS, Vol. 4, Issue 10
Scaling relations for galaxy clusters in the Millennium-XXL simulation: Scaling relations for clusters in the MXXL
journal, October 2012
- Angulo, R. E.; Springel, V.; White, S. D. M.
- Monthly Notices of the Royal Astronomical Society, Vol. 426, Issue 3
Imaging systematics and clustering of DESI main targets
journal, June 2020
- Kitanidis, Ellie; White, Martin; Feng, Yu
- Monthly Notices of the Royal Astronomical Society, Vol. 496, Issue 2