Detection of Lensing Substructure Using Alma Observations of the Dusty Galaxy SDP.81
Abstract
We study the abundance of substructure in the matter density near galaxies using ALMA Science Verification observations of the strong lensing system SDP.81. We present a method to measure the abundance of subhalos around galaxies using interferometric observations of gravitational lenses. Using simulated ALMA observations we explore the effects of various systematics, including antenna phase errors and source priors, and show how such errors may be measured or marginalized. We apply our formalism to ALMA observations of SDP.81. We find evidence for the presence of a M = 108.96±0.12 M⊙ subhalo near one of the images, with a significance of 6.9σ in a joint fit to data from bands 6 and 7; the effect of the subhalo is also detected in both bands individually. We also derive constraints on the abundance of dark matter (DM) subhalos down to M ~ 2 × 107 M⊙, pushing down to the mass regime of the smallest detected satellites in the Local Group, where there are significant discrepancies between the observed population of luminous galaxies and predicted DM subhalos. We find hints of additional substructure, warranting further study using the full SDP.81 data set (including, for example, the spectroscopic imaging of the lensed carbonmore »
- Authors:
-
- Stanford Univ., CA (United States). Kavli Inst. for Particle Astrophysics and Cosmology and Dept. of Physics
- Univ. of Illinois, Urbana-Champaign, IL (United States). Astronomy Dept.; Inst. for Advanced Study, Princeton, NJ (United States). School of Natural Sciences; Univ. of Tokyo (Japan). Kavli Institute for the Physics and Mathematics of the universe, TODIAS; Univ. of Kwa-Zulu Natal, KwaZulu-Natal (South Africa)
- Univ. of Arizona, Tucson, AZ (United States). Steward Observatory
- Stanford Univ., CA (United States). Kavli Inst. for Particle Astrophysics and Cosmology and Dept. of Physics; SLAC National Accelerator Lab., Menlo Park, CA (United States). Kavli Inst. for Particle Astrophysics and Cosmology and Dept. of Particle Physics and Astrophysics
- Univ. of Illinois, Urbana-Champaign, IL (United States). Astronomy Dept.
- Univ. of Chicago, IL (United States). Kavli Inst. for Cosmological Physics (KICP)
- Univ. of California, Davis, CA (United States). Dept. of Physics
- McGill Univ., Montreal, QC (Canada). Dept of Physics
- SLAC National Accelerator Lab., Menlo Park, CA (United States). Kavli Inst. for Particle Astrophysics and Cosmology and Dept. of Particle Physics and Astrophysics
- Univ. of Toronto, ON (Canada). Canadian Inst. for Theoretical Astrophysics
- Publication Date:
- Research Org.:
- Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States). Oak Ridge Leadership Computing Facility (OLCF); SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC); National Aeronautics and Space Administration (NASA); National Science Foundation (NSF)
- OSTI Identifier:
- 1280817
- Grant/Contract Number:
- AC02-76SF00515; HST-HF2-51358.001-A; NAS 5-26555; AST-1212195; NNX12AD02G; AST-1312950; PLR-1248097; PHY-0114422; AC05-00OR22725; ACI-1053575; OCI-0725070; ACI-1238993
- Resource Type:
- Accepted Manuscript
- Journal Name:
- The Astrophysical Journal (Online)
- Additional Journal Information:
- Journal Name: The Astrophysical Journal (Online); Journal Volume: 823; Journal Issue: 1; Journal ID: ISSN 1538-4357
- Publisher:
- Institute of Physics (IOP)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 79 ASTRONOMY AND ASTROPHYSICS; dark matter; gravitational lensing: strong
Citation Formats
Hezaveh, Yashar D., Dalal, Neal, Marrone, Daniel P., Mao, Yao-Yuan, Morningstar, Warren, Wen, Di, Blandford, Roger D., Carlstrom, John E., Fassnacht, Christopher D., Holder, Gilbert P., Kemball, Athol, Marshall, Philip J., Murray, Norman, Levasseur, Laurence Perreault, Vieira, Joaquin D., and Wechsler, Risa H. Detection of Lensing Substructure Using Alma Observations of the Dusty Galaxy SDP.81. United States: N. p., 2016.
Web. doi:10.3847/0004-637X/823/1/37.
Hezaveh, Yashar D., Dalal, Neal, Marrone, Daniel P., Mao, Yao-Yuan, Morningstar, Warren, Wen, Di, Blandford, Roger D., Carlstrom, John E., Fassnacht, Christopher D., Holder, Gilbert P., Kemball, Athol, Marshall, Philip J., Murray, Norman, Levasseur, Laurence Perreault, Vieira, Joaquin D., & Wechsler, Risa H. Detection of Lensing Substructure Using Alma Observations of the Dusty Galaxy SDP.81. United States. https://doi.org/10.3847/0004-637X/823/1/37
Hezaveh, Yashar D., Dalal, Neal, Marrone, Daniel P., Mao, Yao-Yuan, Morningstar, Warren, Wen, Di, Blandford, Roger D., Carlstrom, John E., Fassnacht, Christopher D., Holder, Gilbert P., Kemball, Athol, Marshall, Philip J., Murray, Norman, Levasseur, Laurence Perreault, Vieira, Joaquin D., and Wechsler, Risa H. Thu .
"Detection of Lensing Substructure Using Alma Observations of the Dusty Galaxy SDP.81". United States. https://doi.org/10.3847/0004-637X/823/1/37. https://www.osti.gov/servlets/purl/1280817.
@article{osti_1280817,
title = {Detection of Lensing Substructure Using Alma Observations of the Dusty Galaxy SDP.81},
author = {Hezaveh, Yashar D. and Dalal, Neal and Marrone, Daniel P. and Mao, Yao-Yuan and Morningstar, Warren and Wen, Di and Blandford, Roger D. and Carlstrom, John E. and Fassnacht, Christopher D. and Holder, Gilbert P. and Kemball, Athol and Marshall, Philip J. and Murray, Norman and Levasseur, Laurence Perreault and Vieira, Joaquin D. and Wechsler, Risa H.},
abstractNote = {We study the abundance of substructure in the matter density near galaxies using ALMA Science Verification observations of the strong lensing system SDP.81. We present a method to measure the abundance of subhalos around galaxies using interferometric observations of gravitational lenses. Using simulated ALMA observations we explore the effects of various systematics, including antenna phase errors and source priors, and show how such errors may be measured or marginalized. We apply our formalism to ALMA observations of SDP.81. We find evidence for the presence of a M = 108.96±0.12 M⊙ subhalo near one of the images, with a significance of 6.9σ in a joint fit to data from bands 6 and 7; the effect of the subhalo is also detected in both bands individually. We also derive constraints on the abundance of dark matter (DM) subhalos down to M ~ 2 × 107 M⊙, pushing down to the mass regime of the smallest detected satellites in the Local Group, where there are significant discrepancies between the observed population of luminous galaxies and predicted DM subhalos. We find hints of additional substructure, warranting further study using the full SDP.81 data set (including, for example, the spectroscopic imaging of the lensed carbon monoxide emission). We compare the results of this search to the predictions of ΛCDM halos, and find that given current uncertainties in the host halo properties of SDP.81, our measurements of substructure are consistent with theoretical expectations. Finally, observations of larger samples of gravitational lenses with ALMA should be able to improve the constraints on the abundance of galactic substructure.},
doi = {10.3847/0004-637X/823/1/37},
journal = {The Astrophysical Journal (Online)},
number = 1,
volume = 823,
place = {United States},
year = {Thu May 19 00:00:00 EDT 2016},
month = {Thu May 19 00:00:00 EDT 2016}
}
Web of Science
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- Vegetti, S.; Despali, G.; Lovell, M. R.
- Monthly Notices of the Royal Astronomical Society, Vol. 481, Issue 3
Is every strong lens model unhappy in its own way? Uniform modelling of a sample of 13 quadruply+ imaged quasars
journal, December 2018
- Shajib, A. J.; Birrer, S.; Treu, T.
- Monthly Notices of the Royal Astronomical Society, Vol. 483, Issue 4
Modelling high-resolution ALMA observations of strongly lensed highly star-forming galaxies detected by Herschel★
journal, February 2018
- Dye, S.; Furlanetto, C.; Dunne, L.
- Monthly Notices of the Royal Astronomical Society, Vol. 476, Issue 4
Testing star formation laws in a starburst galaxy at redshift 3 resolved with ALMA
journal, April 2018
- Sharda, P.; Federrath, C.; da Cunha, E.
- Monthly Notices of the Royal Astronomical Society, Vol. 477, Issue 4
Fluorescent rings in star-free dark matter haloes
journal, May 2019
- Sykes, Calvin; Fumagalli, Michele; Cooke, Ryan
- Monthly Notices of the Royal Astronomical Society, Vol. 487, Issue 1
Galaxy mass profiles from strong lensing I: the circular power-law model
journal, June 2019
- O’Riordan, C. M.; Warren, S. J.; Mortlock, D. J.
- Monthly Notices of the Royal Astronomical Society, Vol. 487, Issue 4
Quantifying the power spectrum of small-scale structure in semi-analytic galaxies
journal, August 2019
- Brennan, Sean; Benson, Andrew J.; Cyr-Racine, Francis-Yan
- Monthly Notices of the Royal Astronomical Society, Vol. 488, Issue 4
The tidal evolution of dark matter substructure – I. subhalo density profiles
journal, October 2019
- Green, Sheridan B.; van den Bosch, Frank C.
- Monthly Notices of the Royal Astronomical Society, Vol. 490, Issue 2
Warm dark matter chills out: constraints on the halo mass function and the free-streaming length of dark matter with eight quadruple-image strong gravitational lenses
journal, December 2019
- Gilman, Daniel; Birrer, Simon; Nierenberg, Anna
- Monthly Notices of the Royal Astronomical Society, Vol. 491, Issue 4
DASH: a library of dynamical subhalo evolution
journal, February 2019
- Ogiya, Go; van den Bosch, Frank C.; Hahn, Oliver
- Monthly Notices of the Royal Astronomical Society, Vol. 485, Issue 1
Low-mass halo perturbations in strong gravitational lenses at redshift z ∼ 0.5 are consistent with CDM
journal, February 2019
- Ritondale, E.; Vegetti, S.; Despali, G.
- Monthly Notices of the Royal Astronomical Society, Vol. 485, Issue 2
Fast molecular outflow from a dusty star-forming galaxy in the early Universe
journal, September 2018
- Spilker, J. S.; Aravena, M.; Béthermin, M.
- Science, Vol. 361, Issue 6406
Dark Matter Haloes and Subhaloes
journal, September 2019
- Zavala, Jesús; Frenk, Carlos S.
- Galaxies, Vol. 7, Issue 4
Probing the Small-scale Structure in Strongly Lensed Systems via Transdimensional Inference
journal, February 2018
- Daylan, Tansu; Cyr-Racine, Francis-Yan; Rivero, Ana Diaz
- The Astrophysical Journal, Vol. 854, Issue 2
An Analysis of ALMA Deep Fields and the Perceived Dearth of High- z Galaxies
journal, July 2018
- Casey, Caitlin M.; Hodge, Jacqueline; Zavala, Jorge A.
- The Astrophysical Journal, Vol. 862, Issue 1
Probing Dark Matter Subhalos in Galaxy Clusters Using Highly Magnified Stars
journal, October 2018
- Dai, Liang; Venumadhav, Tejaswi; Kaurov, Alexander A.
- The Astrophysical Journal, Vol. 867, Issue 1
Spatially Resolved [C ii] Emission in SPT0346-52: A Hyper-starburst Galaxy Merger at z ∼ 5.7
journal, January 2019
- Litke, Katrina C.; Marrone, Daniel P.; Spilker, Justin S.
- The Astrophysical Journal, Vol. 870, Issue 2
The Spur and the Gap in GD-1: Dynamical Evidence for a Dark Substructure in the Milky Way Halo
journal, July 2019
- Bonaca, Ana; Hogg, David W.; Price-Whelan, Adrian M.
- The Astrophysical Journal, Vol. 880, Issue 1
Spatially Resolved Water Emission from Gravitationally Lensed Dusty Star-forming Galaxies at z ∼ 3
journal, July 2019
- Jarugula, Sreevani; Vieira, Joaquin D.; Spilker, Justin S.
- The Astrophysical Journal, Vol. 880, Issue 2
A Precision Measurement of the Mass of the Black Hole in NGC 3258 from High-resolution ALMA Observations of Its Circumnuclear Disk
journal, August 2019
- Boizelle, Benjamin D.; Barth, Aaron J.; Walsh, Jonelle L.
- The Astrophysical Journal, Vol. 881, Issue 1
Data-driven Reconstruction of Gravitationally Lensed Galaxies Using Recurrent Inference Machines
journal, September 2019
- Morningstar, Warren R.; Levasseur, Laurence Perreault; Hezaveh, Yashar D.
- The Astrophysical Journal, Vol. 883, Issue 1
Constraints on Dark Matter Microphysics from the Milky Way Satellite Population
journal, June 2019
- Nadler, Ethan O.; Gluscevic, Vera; Boddy, Kimberly K.
- The Astrophysical Journal, Vol. 878, Issue 2
Measuring the power spectrum of dark matter substructure using strong gravitational lensing
journal, November 2016
- Hezaveh, Yashar; Dalal, Neal; Holder, Gilbert
- Journal of Cosmology and Astroparticle Physics, Vol. 2016, Issue 11
Constraining the mass density of free-floating black holes using razor-thin lensing arcs
journal, November 2018
- Banik, Uddipan; van den Bosch, Frank C.; Tremmel, Michael
- Monthly Notices of the Royal Astronomical Society, Vol. 483, Issue 2
Probing dark matter structure down to 107 solar masses: flux ratio statistics in gravitational lenses with line-of-sight haloes
journal, June 2019
- Gilman, Daniel; Birrer, Simon; Treu, Tommaso
- Monthly Notices of the Royal Astronomical Society, Vol. 487, Issue 4
The interplay of self-interacting dark matter and baryons in shaping the halo evolution
journal, January 2019
- Despali, Giulia; Sparre, Martin; Vegetti, Simona
- Monthly Notices of the Royal Astronomical Society, Vol. 484, Issue 4
The case against gravitational millilensing in the multiply-imaged quasar B1152+199
journal, December 2019
- Asadi, Saghar; Zackrisson, Erik; Varenius, Eskil
- Monthly Notices of the Royal Astronomical Society, Vol. 492, Issue 1
Stellar Wakes from Dark Matter Subhalos
journal, May 2018
- Buschmann, Malte; Kopp, Joachim; Safdi, Benjamin R.
- Physical Review Letters, Vol. 120, Issue 21
The Simons Observatory: Science goals and forecasts
text, January 2019
- Ade, P.; Aguirre, J.; Ahmed, Z.
- Apollo - University of Cambridge Repository
The boss Emission-Line lens Survey. iv. Smooth lens Models for the Bells Gallery Sample
journal, December 2016
- Shu, Yiping; Bolton, Adam S.; Mao, Shude
- The Astrophysical Journal, Vol. 833, Issue 2
Resolved Molecular Gas and Star Formation Properties of the Strongly Lensed z = 2.26 Galaxy SDSS J0901+1814
journal, July 2019
- Sharon, Chelsea E.; Tagore, Amitpal S.; Baker, Andrew J.
- The Astrophysical Journal, Vol. 879, Issue 1
Mining for Dark Matter Substructure: Inferring Subhalo Population Properties from Strong Lenses with Machine Learning
journal, November 2019
- Brehmer, Johann; Mishra-Sharma, Siddharth; Hermans, Joeri
- The Astrophysical Journal, Vol. 886, Issue 1
The Simons Observatory: science goals and forecasts
journal, February 2019
- Ade, Peter; Aguirre, James; Ahmed, Zeeshan
- Journal of Cosmology and Astroparticle Physics, Vol. 2019, Issue 02
LinKS: discovering galaxy-scale strong lenses in the Kilo-Degree Survey using convolutional neural networks
journal, January 2019
- Petrillo, C. E.; Tortora, C.; Vernardos, G.
- Monthly Notices of the Royal Astronomical Society, Vol. 484, Issue 3
Linear perturbation theory for tidal streams and the small-scale CDM power spectrum
text, January 2017
- Bovy, J.; Erkal, Denis; Sanders, Jason
- Apollo - University of Cambridge Repository
Star Formation at z = 2.481 in the Lensed Galaxy SDSS J1110 = 6459. I. Lens Modeling and Source Reconstruction
journal, July 2017
- Johnson, Traci L.; Sharon, Keren; Gladders, Michael D.
- The Astrophysical Journal, Vol. 843, Issue 2
Probing the nature of dark matter by forward modelling flux ratios in strong gravitational lenses
journal, August 2018
- Gilman, Daniel; Birrer, Simon; Treu, Tommaso
- Monthly Notices of the Royal Astronomical Society, Vol. 481, Issue 1
The number and size of subhalo-induced gaps in stellar streams
text, January 2016
- Erkal, Denis; Belokurov, Vasily; Bovy, Jo
- Apollo - University of Cambridge Repository
A Dark Census: Statistically Detecting the Satellite Populations of Distant Galaxies
text, January 2015
- Cyr-Racine, Francis-Yan; Moustakas, Leonidas A.; Keeton, Charles R.
- arXiv
The number and size of subhalo-induced gaps in stellar streams
text, January 2016
- Erkal, Denis; Belokurov, Vasily; Bovy, Jo
- arXiv
Ultralight scalars as cosmological dark matter
text, January 2016
- Hui, Lam; Ostriker, Jeremiah P.; Tremaine, Scott
- arXiv
Modelling high resolution ALMA observations of strongly lensed highly star forming galaxies detected by Herschel
text, January 2017
- Dye, S.; Furlanetto, C.; Dunne, L.
- arXiv
Probing the small-scale structure in strongly lensed systems via transdimensional inference
text, January 2017
- Daylan, Tansu; Cyr-Racine, Francis-Yan; Rivero, Ana Diaz
- arXiv
Stellar Wakes from Dark Matter Subhalos
text, January 2017
- Buschmann, Malte; Kopp, Joachim; Safdi, Benjamin R.
- arXiv
Testing Star Formation Laws in a Starburst Galaxy At Redshift 3 Resolved with ALMA
text, January 2017
- Sharda, Piyush; Federrath, Christoph; da Cunha, Elisabete
- arXiv
Probing the nature of dark matter by forward modeling flux ratios in strong gravitational lenses
text, January 2017
- Gilman, Daniel; Birrer, Simon; Treu, Tommaso
- arXiv
Constraining sterile neutrino cosmologies with strong gravitational lensing observations at redshift z~0.2
text, January 2018
- Vegetti, S.; Despali, G.; Lovell, M. R.
- arXiv
Tidal disruption of fuzzy dark matter subhalo cores
text, January 2018
- Du, Xiaolong; Schwabe, Bodo; Niemeyer, Jens C.
- arXiv
Is every strong lens model unhappy in its own way? Uniform modelling of a sample of 13 quadruply+ imaged quasars
text, January 2018
- Shajib, A. J.; Birrer, S.; Treu, T.
- arXiv
The Simons Observatory: Science goals and forecasts
text, January 2018
- Collaboration, The Simons Observatory; Ade, Peter; Aguirre, James
- arXiv
Gravitational Lensing and the Power Spectrum of Dark Matter Substructure: Insights from the ETHOS N-body Simulations
text, January 2018
- Rivero, Ana Díaz; Dvorkin, Cora; Cyr-Racine, Francis-Yan
- arXiv
Fast Molecular Outflow from a Dusty Star-Forming Galaxy in the Early Universe
text, January 2018
- Spilker, J. S.; Aravena, M.; Bethermin, M.
- arXiv
Constraining the mass density of free-floating black holes using razor-thin lensing arcs
text, January 2018
- Banik, Uddipan; Bosch, Frank C. van den; Tremmel, Michael
- arXiv
The case for gravitational millilensing in the multiply--imaged quasar B1152+199
text, January 2018
- Asadi, Saghar; Zackrisson, Erik; Varenius, Eskil
- arXiv
Galaxy mass profiles from strong lensing I: The circular power-law model
text, January 2019
- O'Riordan, Conor M.; Warren, Stephen J.; Mortlock, Daniel J.
- arXiv
Constraints on Dark Matter Microphysics from the Milky Way Satellite Population
text, January 2019
- Nadler, Ethan O.; Gluscevic, Vera; Boddy, Kimberly K.
- arXiv
Fluorescent rings in star-free dark matter haloes
text, January 2019
- Sykes, Calvin; Fumagalli, Michele; Cooke, Ryan
- arXiv
Imaging the Molecular Interstellar Medium in a Gravitationally Lensed Star-forming Galaxy at z=5.7
text, January 2019
- Apostolovski, Yordanka; Aravena, Manuel; Anguita, Timo
- arXiv