All Outputs (10)

The VST ATLAS Quasar Survey – II. Halo mass profiles of galaxies, LRGs and galaxy clusters via quasar and CMB lensing (2024)
Journal Article
Eltvedt, A. M., Shanks, T., Metcalfe, N., Ansarinejad, B., Barrientos, L. F., Murphy, D. N. A., & Alexander, D. M. (2024). The VST ATLAS Quasar Survey – II. Halo mass profiles of galaxies, LRGs and galaxy clusters via quasar and CMB lensing. Monthly Notices of the Royal Astronomical Society, 535(3), 2092-2104. https://doi.org/10.1093/mnras/stae2466

We cross-correlate a low-contamination subset of the VST ATLAS g < 22.5 quasar catalogue with g < 21.5 galaxy clusters, r < 21 galaxies and r < 19.5 luminous red galaxies (LRGs) to probe their halo mass profiles via quasar magnification bias caused b... Read More about The VST ATLAS Quasar Survey – II. Halo mass profiles of galaxies, LRGs and galaxy clusters via quasar and CMB lensing.

The VST ATLAS Quasar Survey – III. Halo mass function via quasar clustering and quasar-CMB lensing cross-clustering (2024)
Journal Article
Eltvedt, A. M., Shanks, T., Metcalfe, N., Ansarinejad, B., Barrientos, L. F., Murphy, D. N. A., & Alexander, D. M. (2024). The VST ATLAS Quasar Survey – III. Halo mass function via quasar clustering and quasar-CMB lensing cross-clustering. Monthly Notices of the Royal Astronomical Society, 535(3), 2105-2114. https://doi.org/10.1093/mnras/stae2467

A Gradual Decline of Star Formation since Cluster Infall: New Kinematic Insights into Environmental Quenching at 0.3 < z < 1.1 (2023)
Journal Article
Kim, K. J., Bayliss, M. B., Noble, A. G., Khullar, G., Cronk, E., Roberson, J., …Strazzullo, V. (2023). A Gradual Decline of Star Formation since Cluster Infall: New Kinematic Insights into Environmental Quenching at 0.3 < z < 1.1. Astrophysical Journal, 955(1), Article 32. https://doi.org/10.3847/1538-4357/acecff

The nature of sub-millimetre galaxies II: an ALMA comparison of SMG dust heating mechanisms (2022)
Journal Article
Ansarinejad, B., Shanks, T., Bielby, R., Metcalfe, N., Infante, L., Murphy, D., Rosario, D., & Stach, S. (2022). The nature of sub-millimetre galaxies II: an ALMA comparison of SMG dust heating mechanisms. Monthly Notices of the Royal Astronomical Society, 510(4), 4976-4991. https://doi.org/10.1093/mnras/stac002

We compare the contribution of active galactic nuclei (AGNs) and star formation towards dust heating in sub-mm galaxies (SMGs). We have used ALMA at 0.1-arcsec resolution to image a complete flux-limited sample of seven sub-mm sources previously show... Read More about The nature of sub-millimetre galaxies II: an ALMA comparison of SMG dust heating mechanisms.

The nature of sub-millimetre galaxies I: a comparison of AGN and star-forming galaxy SED fits (2021)
Journal Article
Shanks, T., Ansarinejad, B., Bielby, R., Heywood, I., Metcalfe, N., & Wang, L. (2021). The nature of sub-millimetre galaxies I: a comparison of AGN and star-forming galaxy SED fits. Monthly Notices of the Royal Astronomical Society, 505(1), 1509-1529. https://doi.org/10.1093/mnras/stab1226

High-redshift sub-millimetre galaxies (SMGs) are usually assumed to be powered by star formation. However, it has been clear for some time that >20 per cent of such sourcesbrighter than ≈3 mJy host quasars. Here, we analyse a complete sample of 12 su... Read More about The nature of sub-millimetre galaxies I: a comparison of AGN and star-forming galaxy SED fits.

Exploring the contamination of the DES-Y1 cluster sample with SPT-SZ selected clusters (2021)
Journal Article
Grandis, S., Mohr, J., Costanzi, M., Saro, A., Bocquet, S., Klein, M., Aguena, M., Allam, S., Annis, J., Ansarinejad, B., Bacon, D., Bertin, E., Bleem, L., Brooks, D., Burke, D., Carnero Rosel, A., Carrasco Kind, M., Carretero, J., Castander, F., Choi, A., …Wu, H. (2021). Exploring the contamination of the DES-Y1 cluster sample with SPT-SZ selected clusters. Monthly Notices of the Royal Astronomical Society, 504(1), 1253-1272. https://doi.org/10.1093/mnras/stab869

We perform a cross validation of the cluster catalogue selected by the red-sequence Matched-filter Probabilistic Percolation algorithm (redMaPPer) in Dark Energy Survey year 1 (DES-Y1) data by matching it with the Sunyaev–Zel’dovich effect (SZE) sele... Read More about Exploring the contamination of the DES-Y1 cluster sample with SPT-SZ selected clusters.

The Atacama Cosmology Telescope: A Catalog of >4000 Sunyaev–Zel’dovich Galaxy Clusters (2021)
Journal Article
Hilton, M., Sifón, C., Naess, S., Madhavacheril, M., Oguri, M., Rozo, E., Rykoff, E., Abbott, T., Adhikari, S., Aguena, M., Aiola, S., Allam, S., Amodeo, S., Amon, A., Annis, J., Ansarinejad, B., Aros-Bunster, C., Austermann, J., Avila, S., Bacon, D., …Zhang, Y. (2021). The Atacama Cosmology Telescope: A Catalog of >4000 Sunyaev–Zel’dovich Galaxy Clusters. Astrophysical Journal Supplement, 253(1), Article 3. https://doi.org/10.3847/1538-4365/abd023

We present a catalog of 4195 optically confirmed Sunyaev–Zel'dovich (SZ) selected galaxy clusters detected with signal-to-noise ratio >4 in 13,211 deg2 of sky surveyed by the Atacama Cosmology Telescope (ACT). Cluster candidates were selected by appl... Read More about The Atacama Cosmology Telescope: A Catalog of >4000 Sunyaev–Zel’dovich Galaxy Clusters.

Cross-correlating Planck with VST ATLAS LRGs: a new test for the ISW effect in the Southern Hemisphere (2020)
Journal Article
Ansarinejad, B., Mackenzie, R., shanks, T., & Metcalfe, N. (2020). Cross-correlating Planck with VST ATLAS LRGs: a new test for the ISW effect in the Southern Hemisphere. Monthly Notices of the Royal Astronomical Society, 493(4), 4830-4844. https://doi.org/10.1093/mnras/staa592

The Integrated Sachs-Wolfe (ISW) effect probes the late-time expansion history of the universe, offering direct constraints on dark energy. Here we present our measurements of the ISW signal at redshifts of z¯=0.35⁠, 0.55 and 0.68, using the cross-co... Read More about Cross-correlating Planck with VST ATLAS LRGs: a new test for the ISW effect in the Southern Hemisphere.

Overview of the DESI Legacy Imaging Surveys (2019)
Journal Article
Dey, A., Schlegel, D. J., Lang, D., Blum, R., Burleigh, K., Fan, X., Findlay, J. R., Finkbeiner, D., Herrera, D., Juneau, S., Landriau, M., Levi, M., McGreer, I., Meisner, A., Myers, A. D., Moustakas, J., Nugent, P., Patej, A., Schlafly, E. F., Walker, A. R., …Zhou, Z. (2019). Overview of the DESI Legacy Imaging Surveys. Astronomical Journal, 157(5), Article 168. https://doi.org/10.3847/1538-3881/ab089d

The DESI Legacy Imaging Surveys (http://legacysurvey.org/) are a combination of three public projects (the Dark Energy Camera Legacy Survey, the Beijing–Arizona Sky Survey, and the Mayall z-band Legacy Survey) that will jointly image ≈14,000 deg2 of... Read More about Overview of the DESI Legacy Imaging Surveys.

Detection significance of baryon acoustic oscillations peaks in galaxy and quasar clustering (2018)
Journal Article
Ansarinejad, B., & Shanks, T. (2018). Detection significance of baryon acoustic oscillations peaks in galaxy and quasar clustering. Monthly Notices of the Royal Astronomical Society, 479(3), 4091-4107. https://doi.org/10.1093/mnras/sty1740

We compare our analysis of the baryon acoustic oscillations (BAO) feature in the correlation functions of SDSS BOSS DR12 LOWZ and CMASS galaxy samples with previous literature results. Using subsets of the data we obtain an empirical estimate of the... Read More about Detection significance of baryon acoustic oscillations peaks in galaxy and quasar clustering.