SB
Sunayana Bhargava
astro-ph.COastro-ph.GAastro-ph.IMastro-ph.HEastro-ph.SRhep-phastro-ph.EPcs.LG
On Valency
published · living versionsW_jeezruwe·v1 · currentpublished
Candidate Periodically Variable Quasars from the Dark Energy Survey and the Sloan Digital Sky Survey
with Yu-Ching Chen, Xin Liu, Wei-Ting Liao, A. Miguel Holgado +60
1 version
Preprints & journals
76 papers in the corpus · 2018–2026The XMM Cluster Survey: Cross-Calibration of eROSITA and XMM using Dark Energy Survey Y3 Galaxy Clusters2610.16741v1 · J. E. Pilling, D. J. Turner, P. A. Giles et al.2026 · 0 citationsarXiv
A census of Dark Energy Survey Year 3 redMaPPer galaxy clusters in a high exposure eROSITA All Sky Survey region2610.16742v1 · P. A. Giles, A. K. Romer, J. Pilling et al.2026 · 0 citationsMonthly Notices of the Royal Astronomical Society 2026
Simulation-Based Cosmological Mass Calibration of XXL Galaxy Clusters using HSC Weak Lensing2602.11989v1 · Sut-Ieng Tam, Keiichi Umetsu, Adam Amara et al.2026 · 0 citationsarXiv
Euclid Quick Data Release (Q1). First detections from the galaxy cluster workflow2503.19196v2 · S. Bhargava, C. Benoist, A. H. Gonzalez et al.2025 · 14 citationsarXiv
Euclid Quick Data Release (Q1). Combined Euclid and Spitzer galaxy density catalogues at 1.3 and detection of significant Euclid passive galaxy overdensities in Spitzer overdense regions2503.15331v2 · N. Mai, S. Mei, C. Cleland et al.2025 · 0 citationsarXiv
Dark Energy Survey Year 3 Results: Cosmological Constraints from Cluster Abundances, Weak Lensing, and Galaxy Clustering2503.13632v1 · T. M. C. Abbott, M. Aguena, A. Alarcon et al.2025 · 25 citationsarXiv
Galaxy cluster matter profiles: I. Self-similarity, mass calibration, and observable-mass relation validation employing cluster mass posteriors2407.10961v2 · A. Singh, J. J. Mohr, C. T. Davies et al.2024 · 0 citationsAstronomy & Astrophysics, Vol. 695, Page A49 (2025)
Euclid. I. Overview of the Euclid mission2405.13491v2 · Y. Mellier, Abdurro'uf, J. A. Acevedo Barroso et al.2024 · 622 citationsA&A 697, A1 (2025)
X-ray observations of the Zwicky 3146 galaxy cluster reveal a 3.5 keV excess2405.02088v1 · Sunayana Bhargava, Paul Giles, Kathy Romer et al.2024 · 1 citationRes. Notes AAS 8 118 (2024)
The XMM Cluster Survey: Automating the estimation of hydrostatic mass for large samples of galaxy clusters I -- Methodology, Validation, & Application to the SDSSRM-XCS sample2403.07982v1 · D. J. Turner, P. A. Giles, A. K. Romer et al.2024 · 2 citationsarXiv
The SRG/eROSITA All-Sky Survey: Dark Energy Survey Year 3 Weak Gravitational Lensing by eRASS1 selected Galaxy Clusters2402.08455v1 · S. Grandis, V. Ghirardini, S. Bocquet et al.2024 · 47 citationsA&A 687, A178 (2024)
SPT Clusters with DES and HST Weak Lensing. II. Cosmological Constraints from the Abundance of Massive Halos2401.02075v2 · S. Bocquet, S. Grandis, L. E. Bleem et al.2024 · 78 citationsarXiv
Dark Energy Survey Year 3 Results: Mis-centering calibration and X-ray-richness scaling relations in redMaPPer clusters2310.13207v1 · P. Kelly, J. Jobel, O. Eiger et al.2023 · 1 citationarXiv
The XMM Cluster Survey: Exploring scaling relations and completeness of the Dark Energy Survey Year 3 redMaPPer cluster catalogue2304.13570v1 · E. W. Upsdell, P. A. Giles, A. K. Romer et al.2023 · 8 citationsarXiv
The XXL Survey L. Active galactic nucleus contamination in galaxy clusters: Detection and cosmological impact2301.11196v2 · Sunayana Bhargava, Christian Garrel, Elias Koulouridis et al.2023 · 0 citationsA&A 673, A92 (2023)
The XMM Cluster Survey analysis of the SDSS DR8 redMaPPer Catalogue: Implications for scatter, selection bias, and isotropy in cluster scaling relations2202.11107v3 · P. A. Giles, A. K. Romer, R. Wilkinson et al.2022 · 17 citationsarXiv
The Evolution of AGN Activity in Brightest Cluster Galaxies2201.08398v2 · T. Somboonpanyakul, M. McDonald, A. Noble et al.2022 · 12 citationsarXiv
Lensing Without Borders. I. A Blind Comparison of the Amplitude of Galaxy-Galaxy Lensing Between Independent Imaging Surveys2111.13805v1 · A. Leauthaud, A. Amon, S. Singh et al.2021 · 19 citationsarXiv
The XXL survey: XLVI. Forward cosmological analysis of the C1 cluster sample2109.13171v1 · Christian Garrel, Marguerite Pierre, Patrick Valageas et al.2021 · 37 citationsA&A 663, A3 (2022)
The XMM Cluster Survey: An independent demonstration of the fidelity of the eFEDS galaxy cluster data products and implications for future studies2109.11807v2 · D. J. Turner, P. A. Giles, A. K. Romer et al.2021 · 7 citationsarXiv
Velocity Dispersions of Clusters in the Dark Energy Survey Y3 redMaPPer Catalog2107.07631v2 · V. Wetzell, T.E. Jeltema, B. Hegland et al.2021 · 17 citationsarXiv
Dark Energy Survey Year 3 results: curved-sky weak lensing mass map reconstruction2105.13539v2 · N. Jeffrey, M. Gatti, C. Chang et al.2021 · 90 citationsMonthly Notices of the Royal Astronomical Society, Volume 505, Issue 3, August 2021, Pages 4626-4645
Dark Energy Survey Year 3 Results: Galaxy clustering and systematics treatment for lens galaxy samples2105.13540v1 · M. Rodr'iguez-Monroy, N. Weaverdyck, J. Elvin-Poole et al.2021 · 72 citationsarXiv
Dark Energy Survey Year 3 Results: Exploiting small-scale information with lensing shear ratios2105.13542v2 · C. S'anchez, J. Prat, G. Zacharegkas et al.2021 · 45 citationsarXiv
Dark Energy Survey Year 3 Results: Cosmology from Cosmic Shear and Robustness to Data Calibration2105.13543v2 · A. Amon, D. Gruen, M. A. Troxel et al.2021 · 434 citationsJan 2022; PhysRevD.105.023514
Dark Energy Survey Year 3 Results: Cosmology from Cosmic Shear and Robustness to Modeling Uncertainty2105.13544v2 · L. F. Secco, S. Samuroff, E. Krause et al.2021 · 386 citationsarXiv
Dark Energy Survey Year 3 results: Cosmological constraints from galaxy clustering and galaxy-galaxy lensing using the MagLim lens sample2105.13546v2 · A. Porredon, M. Crocce, J. Elvin-Poole et al.2021 · 81 citationsPhys. Rev. D 106, 103530 (2022)
Dark Energy Survey Year 3 results: cosmology from combined galaxy clustering and lensing -- validation on cosmological simulations2105.13547v1 · J. DeRose, R. H. Wechsler, M. R. Becker et al.2021 · 38 citationsarXiv
Dark Energy Survey Year 3 Results: Cosmological Constraints from Galaxy Clustering and Weak Lensing2105.13549v3 · T. M. C. Abbott, M. Aguena, A. Alarcon et al.2021 · 1,121 citationsarXiv
Dark Energy Survey Year 1 Results: Cosmological Constraints from Cluster Abundances, Weak Lensing, and Galaxy Correlations.33891448 · To, C, Krause, E, Rozo, E et al.2021 · 103 citationsPhysical review letters. 2021;126(14):141301
Understanding the extreme luminosity of DES14X2fna2103.14669v1 · M. Grayling, C. P. Guti'errez, M. Sullivan et al.2021 · 8 citationsarXiv
Synthetic Galaxy Clusters and Observations Based on Dark Energy Survey Year 3 Data2102.10414v2 · T. N. Varga, D. Gruen, S. Seitz et al.2021 · 3 citationsarXiv
OzDES Reverberation Mapping Program: Lag recovery reliability for 6-year CIV analysis2101.06921v2 · Andrew Penton, Umang Malik, Tamara Davis et al.2021 · 17 citationsarXiv
The Dark Energy Survey Data Release 22101.05765v3 · T. M. C. Abbott, M. Adamow, M. Aguena et al.2021 · 325 citationsarXiv
The Growth of Intracluster Light in XCS-HSC Galaxy Clusters from 2101.01644v2 · Kate E. Furnell, Chris A. Collins, Lee S. Kelvin et al.2021 · 56 citationsarXiv
Dark Energy Survey Year 3 Results: Deep Field Optical + Near-Infrared Images and Catalogue2012.12824v2 · W. G. Hartley, A. Choi, A. Amon et al.2020 · 71 citationsMonthly Notices of the Royal Astronomical Society, Volume 509, Issue 3, pp.3547-3579, 2022
Dark Energy Survey Year 3 Results: Measuring the Survey Transfer Function with Balrog2012.12825v2 · S. Everett, B. Yanny, N. Kuropatkin et al.2020 · 69 citationsAp. J. Supp. 258 (2022) 15
Dark Energy Survey Year 3 Results: Redshift Calibration of the Weak Lensing Source Galaxies2012.08566v2 · J. Myles, A. Alarcon, A. Amon et al.2020 · 174 citationsarXiv
Dark Energy Survey Year 3 Results: Covariance Modelling and its Impact on Parameter Estimation and Quality of Fit2012.08568v3 · O. Friedrich, F. Andrade-Oliveira, H. Camacho et al.2020 · 93 citationsarXiv
A machine learning approach to galaxy properties: joint redshift-stellar mass probability distributions with Random Forest2012.05928v2 · S. Mucesh, W. G. Hartley, A. Palmese et al.2020 · 50 citationsMonthly Notices of the Royal Astronomical Society, Volume 502, Issue 2, April 2021, Pages 2770-2786
Constraints on dark matter to dark radiation conversion in the late universe with DES-Y1 and external data2011.04606v5 · Angela Chen, Dragan Huterer, Sujeong Lee et al.2020 · 38 citationsPhys. Rev. D 103, 123528 (2021)
Dark Energy Survey Year 3 Results: Photometric Data Set for Cosmology2011.03407v2 · I.Sevilla-Noarbe, K.Bechtol, M.Carrasco Kind et al.2020 · 203 citationsThe Astrophysical Journal Supplement Series, Volume 254, Issue 2, id.24, 34 pp. (2021)
Dark Energy Survey Year 3 Results: Weak Lensing Shape Catalogue2011.03408v3 · M. Gatti, E. Sheldon, A. Amon et al.2020 · 182 citationsarXiv
Dark Energy Survey Year 3 Results: Point-Spread Function Modeling2011.03409v2 · M. Jarvis, G. M. Bernstein, A. Amon et al.2020 · 84 citations2021MNRAS.501.1282J
Dark Energy Survey internal consistency tests of the joint cosmological probes analysis with posterior predictive distributions2011.03410v3 · C. Doux, E. Baxter, P. Lemos et al.2020 · 38 citationsarXiv
Dark Energy Survey Year 3 Results: Optimizing the Lens Sample in Combined Galaxy Clustering and Galaxy-Galaxy Lensing Analysis2011.03411v3 · A. Porredon, M. Crocce, P. Fosalba et al.2020 · 73 citationsPhys. Rev. D 103, 043503 (2021)
Reducing ground-based astrometric errors with Gaia and Gaussian processes2010.13742v1 · W. F. Fortino, G. M. Bernstein, P. H. Bernardinelli et al.2020 · 17 citationsarXiv
Cosmological Constraints from DES Y1 Cluster Abundances and SPT Multi-wavelength data2010.13800v2 · M. Costanzi, A. Saro, S. Bocquet et al.2020 · 103 citationsPhys. Rev. D 103, 043522 (2021)
DES Y1 results: Splitting growth and geometry to test CDM2010.05924v2 · J. Muir, E. Baxter, V. Miranda et al.2020 · 30 citationsPhys. Rev. D 103, 023528 (2021)
The Atacama Cosmology Telescope: A Catalog of > 4000 Sunyaev-Zel'dovich Galaxy Clusters2009.11043v2 · M. Hilton, C. Sif'on, S. Naess et al.2020 · 297 citationsarXiv
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