Faculty

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Bruce Partridge

Professor Emeritus of Physics and Astronomy

Haverford College

Affiliations

The Marian E. Koshland Integrated Natural Sciences Center

Department of Physics

Bruce Partridge is Professor Emeritus of Physics and Astronomy at Haverford College. A pioneer in observational cosmology, his research centers on the cosmic microwave background (CMB), large-scale structure, and extragalactic astronomy, with recent work focused on the Atacama Cosmology Telescope (ACT). His latest publications include studies on stellar mass growth in massive galaxy clusters, multiprobe cosmology combining unWISE galaxies with ACT CMB lensing, and the thermal and kinematic Sunyaev-Zeldovich effects in cluster pairs. He has also contributed to transient searches and supermassive black hole binary observations with ACT, alongside investigations in high-energy physics and planetary sciences.

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Bruce Partridge

Haverford College

Professor Emeritus of Physics and Astronomy

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astronomy observational cosmology cosmic microwave background atacama cosmology telescope cosmology large scale structure planetary sciences high energy physics physics synchrotron radiation early universe extragalactic astronomy astrophysics observational astronomy high-energy astrophysics radio telescopes space weather radio astronomy galaxy clusters acta astronautica galaxy formation atmospheric measurement technique experimental physics astronomical image analysis astrostatistics astrophysical simulations planetary change high energy density physics modern physics geophysical research alternative cosmology atomic spectroscopy power spectrum cmb power spectrum dark matter search astrophysical plasmas black holes angular power spectrum cluster formation aerospace engineering scientific computing higher education theoretical physics lunar science polarization imaging thermal energy astronomical coordinate system search for extraterrestrial intelligence semantic sensor network astroinformatics gas thermodynamics cmb polarization flux densities act dr4 act maps compact sources particle beam microwave technology x-ray spectroscopy cosmic neutrino background instrument development space optic optic design relativistic astrophysics high-performance data analytics general relativity asteroids interferometry network function virtualization terahertz photonics high-frequency measurement polarization power spectra secondary foreground parameters power spectrum measurements tensor-to-scalar ratio actpol temperature spectrum galactic center active galactic nucleus nuclear astrophysics interstellar medium antipode computational astrophysics space science analytical atomic spectrometry nuclear science space exploration cosmic rays astrobiology supernova scientific data geophysical prospecting geodesy gravitational lens nuclear fusion astroparticle physics stellar astrophysics

Notable Scholarly Works

Notable Federal Grants

Collaborators

The Atacama Cosmology Telescope: Stellar Mass Growth in Massive Galaxy Clusters From Dr5 Over the Past 7 Billion Years. Monthly Notices of the Royal Astronomical Society (2026)

Atacama Cosmology Telescope: Multiprobe Cosmology With Unwise Galaxies and Act Dr6 Cmb Lensing. Physical review. D/Physical review. D. (2025)

Gerrit S. FarrenAlex KrolewskiFrank J. QuSimone FerraroErminia CalabreseJo DunkleyCarmen Embil VillagraJ. Colin HillJoshua KimMathew S. MadhavacherilKavilan MoodleyLyman A. PageBruce PartridgeNeelima SehgalBlake D. SherwinCristóbal SifónSuzanne T. StaggsAlexander Van EngelenEdward J. Wollack

multiprobe cosmologygravitational lensatacama cosmology telescopeastronomyunwise galaxiesobservational cosmologycosmologygeneral relativitygalaxy formation and evolutioncosmic microwave background

Atacama Cosmology Telescope: Observations of Supermassive Black Hole Binary Candidates. Strong Sinusoidal Variations at 95, 147 and 225 Ghz in Pks 2131$-$021 and Pks J0805$-$0111. ArXiv.org (2025)

high-energy astrophysicsastronomyobservational astronomysupermassive black holesobservational cosmologyblack holesradio telescopesastrophysicscosmic microwave backgroundsynchrotron radiation

The Atacama Cosmology Telescope: Dr6 Power Spectrum Foreground Model and Validation. Journal of Cosmology and Astroparticle Physics (2025)

atacama cosmology telescopehigh-energy astrophysicsearly universeradio astronomyalternative cosmologyastronomyhigh energy physicsobservational cosmologycosmologyacta astronauticaradio telescopescosmic microwave backgroundsynchrotron radiationplanetary sciences

The Atacama Cosmology Telescope: Observations of Supermassive Black Hole Binary Candidates. Astronomy and Astrophysics (2025)

astronomyobservational astronomysupermassive black holesobservational cosmologycosmologyblack holesastrophysicssynchrotron radiation

The Atacama Cosmology Telescope: Systematic Transient Search of Single Observation Maps. The Astrophysical Journal (2025)

Biermann, Emily K.Li, YaqiongNaess, SigurdChoi, Steve K.Clark, Susan E.Devlin, MarkDunkley, JoGallardo, P. A.Guan, YilunFoster, AllenHasselfield, MatthewHervías-Caimapo, CarlosHilton, MattHincks, Adam D.Ho, Anna Y. Q.Hood II, John C.Huffenberger, Kevin M.Kosowsky, ArthurNiemack, Michael D.Orlowski-Scherer, JohnPage, LymanPartridge, BruceSalatino, MariaSifón, CristóbalStaggs, Suzanne T.Vargas, CristianWollack, Edward J.

atacama cosmology telescopehigh-energy astrophysicsradio astronomyastrostatisticsastronomyastrophysical simulationsspace weathersingle observation mapsobservational astronomyhigh energy physicsobservational cosmologyradio telescopescosmic microwave backgroundsynchrotron radiationplanetary sciencesastrophysical transients

The Meerkat Massive Distant Clusters Survey: A Radio Halo in a Massive Galaxy Cluster at Z = 1.23. Astronomy and Astrophysics (2025)

The Simons Observatory: Quantifying the Impact of Beam Chromaticity on Large-Scale B -Mode Science. Journal of Cosmology and Astroparticle Physics (2025)

high-energy astrophysicsastronomyhigh energy physicsobservational cosmologycosmologyastroparticle physicsastrophysics

The Thermal and Kinematic Sunyaev-Zeldovich Effect in Galaxy Clusters and Filaments Using Multifrequency Temperature Maps of the Cosmic Microwave Background: Abell 399--Abell 401 Cluster Pair Case Study. ArXiv.org (2025)

A Multiwavelength Approach to Constraining the Merger Properties of Act-CL J0034.4+0225. The Astrophysical Journal (2024)

Peter DozeMatt HiltonJohn P. HughesCharles R. KeetonKenda KnowlesKavilan MoodleyTony MroczkowskiBruce PartridgeCatie A. RaneyCristóbal SifónSinenhlanhla SikhosanaCristian VargasEdward J. Wollack

radio astronomyastronomyobservational astronomyobservational cosmologyastrophysicsastroinformaticscomputational astrophysics

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Bruce Partridge

Professor Emeritus of Physics and Astronomy

Haverford College

Affiliations

The Marian E. Koshland Integrated Natural Sciences Center

Department of Physics

Honors

Create free account to unlock more features

Experiences

Create free account to unlock more features

Education

Create free account to unlock more features

Bruce Partridge

Haverford College

Professor Emeritus of Physics and Astronomy

You can click a keyword to filter the displayed items

Notable Scholarly Works

Notable Federal Grants

Collaborators

The Atacama Cosmology Telescope: Stellar Mass Growth in Massive Galaxy Clusters From Dr5 Over the Past 7 Billion Years. Monthly Notices of the Royal Astronomical Society (2026)

Atacama Cosmology Telescope: Multiprobe Cosmology With Unwise Galaxies and Act Dr6 Cmb Lensing. Physical review. D/Physical review. D. (2025)

multiprobe cosmologygravitational lensatacama cosmology telescopeastronomyunwise galaxiesobservational cosmologycosmologygeneral relativitygalaxy formation and evolutioncosmic microwave background

Atacama Cosmology Telescope: Observations of Supermassive Black Hole Binary Candidates. Strong Sinusoidal Variations at 95, 147 and 225 Ghz in Pks 2131$-$021 and Pks J0805$-$0111. ArXiv.org (2025)

high-energy astrophysicsastronomyobservational astronomysupermassive black holesobservational cosmologyblack holesradio telescopesastrophysicscosmic microwave backgroundsynchrotron radiation

The Atacama Cosmology Telescope: Dr6 Power Spectrum Foreground Model and Validation. Journal of Cosmology and Astroparticle Physics (2025)

The Atacama Cosmology Telescope: Observations of Supermassive Black Hole Binary Candidates. Astronomy and Astrophysics (2025)

astronomyobservational astronomysupermassive black holesobservational cosmologycosmologyblack holesastrophysicssynchrotron radiation

The Atacama Cosmology Telescope: Systematic Transient Search of Single Observation Maps. The Astrophysical Journal (2025)

The Meerkat Massive Distant Clusters Survey: A Radio Halo in a Massive Galaxy Cluster at Z = 1.23. Astronomy and Astrophysics (2025)

The Simons Observatory: Quantifying the Impact of Beam Chromaticity on Large-Scale B -Mode Science. Journal of Cosmology and Astroparticle Physics (2025)

high-energy astrophysicsastronomyhigh energy physicsobservational cosmologycosmologyastroparticle physicsastrophysics

A Multiwavelength Approach to Constraining the Merger Properties of Act-CL J0034.4+0225. The Astrophysical Journal (2024)

Peter DozeMatt HiltonJohn P. HughesCharles R. KeetonKenda KnowlesKavilan MoodleyTony MroczkowskiBruce PartridgeCatie A. RaneyCristóbal SifónSinenhlanhla SikhosanaCristian VargasEdward J. Wollack

radio astronomyastronomyobservational astronomyobservational cosmologyastrophysicsastroinformaticscomputational astrophysics

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10 / page