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NASA LAMBDA

@NASA_LAMBDA

Legacy Archive for Microwave Background Data Analysis

 NASA Goddard
lambda.gsfc.nasa.gov
Joined June 2015
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Wondering which data products and resources are available on LAMBDA? Here’s a short overview prepared by the team, complete with links to many different parts of the site arxiv.org/abs/1905.08667
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Data products from the SPT-3G @SPTelescope summer field survey lensing analysis described by Levy et al. (2026) buff.ly/A8nK08T are now available on LAMBDA at buff.ly/Xj1vD1d
Image from NASA LAMBDA (@NASA_LAMBDA)
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The SPT-3G @SPTelescope SZ Cluster Catalog presented by Bleem et al. (2026) buff.ly/ilRq4G6 is now available on LAMBDA at buff.ly/FwK4cAA
Image from NASA LAMBDA (@NASA_LAMBDA)
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Maps and ancillary products from the SPT-3G D1 data release described by Quan et al. (2026, buff.ly/G2UUN2c) are now available on LAMBDA: buff.ly/bIqjtoB
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Data products from the SPT-3G D1 (@SPTelescope) high-multipole TT spectrum analysis by Chaubal et al. (2026) are now available on LAMBDA at buff.ly/ulMAcBN
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Data products from the SPT (@SPTelescope) & Herschel-SPIRE tSZ power spectrum measurement presented by Raghunathan et al. (2026) are now available on LAMBDA at buff.ly/pzMUJzb
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ACT (@ACT_Pol) DR6 SZ cluster catalogs and associated data products presented by ACT-DES-HSC Collaboration (2025) in buff.ly/5okuhct are now available on LAMBDA at buff.ly/DJq8IDJ
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ACT + SPT CMB Lensing Likelihood and Chains Data products from the joint CMB lensing analysis by ACT and SPT Collaborations (2025) are now available on LAMBDA / More info: buff.ly/e4LWIUc
Image from NASA LAMBDA (@NASA_LAMBDA)
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ACT mm-wavelength flux and light curve measurements for a population of asteroids (Orlowski-Scherer et al., 2024) are now available on LAMBDA at buff.ly/hYzv89q
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The latest SPTpol data products including maps, bandpowers, and likelihood code presented by Chou et al. (2025) are now available on LAMBDA at buff.ly/oKNf321
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SPT-3G D1 TT/TE/EE CMB power spectrum bandpowers and likelihood are now available on LAMBDA buff.ly/QIxKBvN
Image from NASA LAMBDA (@NASA_LAMBDA)
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SPT-3G maps and catalogs from the Euclid Deep Field South, presented by Archipley et al. (2025), are now available on LAMBDA #sptelescope buff.ly/faIPaCR
Image from NASA LAMBDA (@NASA_LAMBDA)
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Bandpowers and likelihood code from the SPT-3G B-mode analysis presented by Zebrowski, Reichardt et al. (2025) are now available on LAMBDA @SPTelescope
Image from NASA LAMBDA (@NASA_LAMBDA)
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CLASS 90 GHz 2021-2024 EE Power Spectra are now available on LAMBDA at buff.ly/yPVReii.
Image from NASA LAMBDA (@NASA_LAMBDA)
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We provide the CMB lensing potential bandpower and the unlensed EE bandpower likelihood derived from the SPT-3G 2019-2020 2yr winter field CMB polarization maps. buff.ly/kaLpMPG
Image from NASA LAMBDA (@NASA_LAMBDA)
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The ACT (@ACT_Pol) DR6.02 release, including maps, MCMC chains and other data products, is now available on LAMBDA at lambda.gsfc.nasa.gov/product…
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Data products from the ACT Lensing x unWISE galaxy cross-correlation analysis described by Farren et al. (arxiv.org/abs/2409.02109) are now available on LAMBDA at lambda.gsfc.nasa.gov/product…
The Atacama Cosmology Telescope: Multi-probe cosmology with unWISE...

The Atacama Cosmology Telescope: Multi-probe cosmology with unWISE...

We present a joint analysis of the CMB lensing power spectra measured from the Data Release 6 of the Atacama Cosmology Telescope and Planck PR4, cross-correlations between the ACT and Planck...

arxiv.org
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Planck revisited CO and polarized synchrotron maps from Ghosh et al. (2024) and Delabrouille (2024) are now available on LAMBDA at lambda.gsfc.nasa.gov/product…
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The long awaited return of the CMB Analyzer teaching tool, rechristened as the Build a Universe game, is now available on the Lambda website. Let the games begin! lambda.gsfc.nasa.gov/educati…
Image from NASA LAMBDA (@NASA_LAMBDA)
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PIXIE Stokes IQU sensitivities for the baseline mission concept are now available from LAMBDA at lambda.gsfc.nasa.gov/product…
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Juno Spacecraft Microwave Sky Map Products are now available on LAMBDA, lambda.gsfc.nasa.gov/product…
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