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https://images.squarespace-cdn.com/content/v1/614f008bdbba3159ac98c058/6676940a-92ca-494a-bda5-c16a00df81f6/Tele_4K.png Breakthrough Technology - Make it stand out A low-cost fully steerable antenna, mount and drive package https://images.squarespace-cdn.com/content/v1/614f008bdbba3159ac98c058/c9cc1346-ee8e-4f67-b192-1f4694a33046/cakepan3.png Breakthrough Technology - Make it stand out The quad-ridge “cakepan” feed https://images.squarespace-cdn.com/content/v1/614f008bdbba3159ac98c058/1632731958612-X1B5YZTN124R15VIE8W4/LNA.png Breakthrough Technology - Make it stand out A cryo-free wide-band LNA https://images.squarespace-cdn.com/content/v1/614f008bdbba3159ac98c058/1632732086400-W6XFU3I27P7P0HV7E2DC/Tsys.png Breakthrough Technology - Make it stand out The DSA system temperature Tsys will be 17 K (band averaged) at zenith, increasing by 5 K at a zenith angle of 60 deg due to spillover, with aperture efficiency of 70%. This significantly exceeds requirements specified in the Astro2020 white paper. https://images.squarespace-cdn.com/content/v1/614f008bdbba3159ac98c058/65de423c-6586-4071-8320-a9ab783cf18a/AntennaProgression5.png https://www.deepsynoptic.org/home-i daily 0.75 2025-12-31 https://images.squarespace-cdn.com/content/v1/614f008bdbba3159ac98c058/d13f9527-4ee8-477e-90ea-bf650887d76f/SurveySpeed.png Home - Make it stand out Survey speed and sensitivity of the DSA and other current and planned radio telescopes that operate at 1.4 GHz. https://www.deepsynoptic.org/oldhome daily 0.75 2025-12-02 https://images.squarespace-cdn.com/content/v1/614f008bdbba3159ac98c058/1633640743876-KJ3E9P6R4G3UTXKIUESJ/DSA-110_20210708_121316_tinted.jpg OldHome - DSA-110 https://images.squarespace-cdn.com/content/v1/614f008bdbba3159ac98c058/b71e33cc-d498-4127-8ce7-3ae68953876d/WideTelescope_Dec11_2023_V3A_flat.jpg OldHome - DSA https://www.deepsynoptic.org/instrument daily 0.75 2021-12-27 https://images.squarespace-cdn.com/content/v1/614f008bdbba3159ac98c058/13267f7b-ce8d-497c-a3d4-d35af9cb2267/DSA110antenna_fake.jpg Instrument - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/614f008bdbba3159ac98c058/709ca0dc-4074-45c2-b7aa-37f97d4de113/DSA110Antenna.jpg Instrument - Make it stand out OVRO designed and built mount and drive, remotely steerable in elevation. (Image: M. Hodges) https://images.squarespace-cdn.com/content/v1/614f008bdbba3159ac98c058/776bed77-a541-4546-a255-02d7a7be6ade/LNA_DSA110.png Instrument - Make it stand out Ambient-temperature low noise amplifier (LNA) designed and built by the OVRO receiver lab, led by Sandy Weinreb, for the DSA-110, delivering 7K noise temperature. The receiver lab also designed and built custom RF-over-fiber signal transport modules, and signal-conditioning components. (Image: S. Weinreb) https://images.squarespace-cdn.com/content/v1/614f008bdbba3159ac98c058/3be56ae4-8213-4106-a6a7-7b406ee1e643/DSA-110tech.jpg Instrument - Make it stand out Real-time, autonomous digital backend that performs full cross-correlation, self-calibration, beamforming of the core antennas, FRB searching, and voltage recording. All components of the DSA-110 are monitored and controlled using a custom etcd-based architecture. https://images.squarespace-cdn.com/content/v1/614f008bdbba3159ac98c058/28364230-34e6-4b7b-a132-c79745402766/DSA-110_Location.jpg Instrument - Make it stand out (Background image: Google Earth) https://www.deepsynoptic.org/science daily 0.75 2025-12-24 https://images.squarespace-cdn.com/content/v1/614f008bdbba3159ac98c058/1633621475390-2WZOJM6CLU3Q2H4QA9PR/FRB1.png Science - Make it stand out Dynamic spectrum of FRB 190523, detected and localized to a galaxy at a distance of 2.4 Gpc by the DSA-10 precursor instrument to the DSA-110. (Image: V. Ravi) https://images.squarespace-cdn.com/content/v1/614f008bdbba3159ac98c058/1633622886214-W9004IA6INKOJR63PJ3H/FRB2.png Science - Make it stand out [A] Radio localization of FRB 190523 by the DSA-10, a precursor instrument to the DSA-110. [B] Keck/LRIS optical image of the field. [C] and [D]: Localization contours of FRB 190523 overlaid on Keck/LRIS optical images in different bands, indicating the most probable host galaxy (S1) at a redshift of 0.66. (Image: V. Ravi) https://www.deepsynoptic.org/publications daily 0.75 2025-12-02 https://www.deepsynoptic.org/contact daily 0.75 2025-12-24 https://www.deepsynoptic.org/team-2000 daily 0.75 2026-02-26 https://www.deepsynoptic.org/input daily 0.75 2025-12-02 https://www.deepsynoptic.org/registration daily 0.75 2023-01-25 https://www.deepsynoptic.org/2023-conference daily 0.75 2025-11-07 https://images.squarespace-cdn.com/content/v1/614f008bdbba3159ac98c058/1666337906805-91B1L3Y80V6Q8VDDV48S/Transient.jpg 2023 Conference - Talk Solicitation Topic: Slow Transients Transient jets and outflows, characterization of pre-supernova mass-loss, rate/energies of solar energetic particle events and their impact on planetary atmospheres. https://images.squarespace-cdn.com/content/v1/614f008bdbba3159ac98c058/1666337587507-BSFJSZ5XEURD57RV7DDZ/eso1915a.jpg 2023 Conference - Talk Solicitation Topic: High-Time Resolution Astronomy Fast radio burst (FRB) progenitors, unseen matter probed with FRBs, extragalactic micro- and milli-lenses, exotic neutron-star systems, expanding the known neutron star population, probing pulsar emission mechanisms. https://images.squarespace-cdn.com/content/v1/614f008bdbba3159ac98c058/1666957838323-R028K37WBW5ARFGKWUEI/pulsartiming.jpg 2023 Conference - Talk Solicitation Topic: Pulsar Timing Arrays Characterization of the stochastic GW background, multi-messenger astronomy with individual GW sources. https://images.squarespace-cdn.com/content/v1/614f008bdbba3159ac98c058/1666338462638-CH4ILY4D90NW7CLDVGML/neutronstarmerger.jpg 2023 Conference - Talk Solicitation Topic: Compact Binary Coalescence Determine rate, density, energy and beaming of relativistic outflows, localize its (extragalactic) sources. https://images.squarespace-cdn.com/content/v1/614f008bdbba3159ac98c058/1666334903922-BB70F8JV0WMYG5RYTYMS/galaxy_starformation.jpg 2023 Conference - Talk Solicitation Topic: Our Cosmic History Spatially resolved HI and radio continuum images in concert with multi-lambda observations of galaxies out to D=100 Mpc (including our Galaxy). https://images.squarespace-cdn.com/content/v1/614f008bdbba3159ac98c058/1666957408238-RHTWMPQ959LQROPUERD8/Continuum.jpg 2023 Conference - Talk Solicitation Topic: Continuum Survey Characterize 1 billion galaxies throughout cosmic time. https://images.squarespace-cdn.com/content/v1/614f008bdbba3159ac98c058/1666338999379-HIMYCKLUNX0TLNHEKCX3/seqD_063a.jpg 2023 Conference - Talk Solicitation Topic: Cosmic Web Mapping the cosmic web out to z=1 in HI and other tracers. https://images.squarespace-cdn.com/content/v1/614f008bdbba3159ac98c058/84cb7f2f-1034-4b65-a5e0-7b587976c3c7/GordonWiltsie-CAe-190618-790_a.jpg https://www.deepsynoptic.org/sac daily 0.75 2025-12-02 https://www.deepsynoptic.org/site-oldtoo daily 0.75 2024-02-07 https://images.squarespace-cdn.com/content/v1/614f008bdbba3159ac98c058/1632737200071-5VIIIBLJ6BNGX6WTPCWB/measuringRFI.jpg Site - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/614f008bdbba3159ac98c058/0f2d3039-cbea-43a5-9c25-b8bfdfaba08b/HCV_RFI%28fake%29.png Site - Make it stand out Radio-frequency interference (RFI) power integrated across the DSA-2000 band. https://images.squarespace-cdn.com/content/v1/614f008bdbba3159ac98c058/1632737576281-5S1DETKX92IIJ6T00JQU/OVRO_RFI.png Site - Make it stand out Radio-frequency interference (RFI) power integrated across the DSA-2000 band. https://www.deepsynoptic.org/ovro-visit daily 0.75 2023-03-08 https://www.deepsynoptic.org/environment daily 0.75 2023-05-17 https://images.squarespace-cdn.com/content/v1/614f008bdbba3159ac98c058/052a90b9-b63a-4a9a-9eab-cda475f020df/IMG_2294.jpg Respecting the Environment - Make it stand out Photo of a DSA-110 antenna, a precursor for the DSA-2000 project, at the Owens Valley Radio Observatory. As will be the case for the updated DSA-2000 antenna design, no concrete is used in baseline plans for installation and ground disturbance is minimal. https://www.deepsynoptic.org/site daily 0.75 2025-12-02 https://images.squarespace-cdn.com/content/v1/614f008bdbba3159ac98c058/4ea61098-12dc-4695-a0cd-3de8a8235d8a/Antenna_DO01010547_a.jpg https://www.deepsynoptic.org/overview-rci daily 0.75 2025-09-16 https://www.deepsynoptic.org/activities daily 0.75 2024-11-20 https://images.squarespace-cdn.com/content/v1/614f008bdbba3159ac98c058/0427be67-47dd-47e8-ae0f-5b13b265dfb8/RCI-Configuration_Figure-1.png https://images.squarespace-cdn.com/content/v1/614f008bdbba3159ac98c058/b95833d4-2ae5-44bc-91fa-dc2e1f1e169e/RCI-Forward-Modeling_Figure-2.png https://images.squarespace-cdn.com/content/v1/614f008bdbba3159ac98c058/7ba82eb8-8d52-46f8-92be-67e988e08603/sample-figure2.png Activities - Make it stand out Figure 3. (L. Connor) https://images.squarespace-cdn.com/content/v1/614f008bdbba3159ac98c058/28fba5ba-e4fc-448e-94a1-58c700f0b169/RCI-Streaming-Pipeline-Architecture_Figure-4.png https://images.squarespace-cdn.com/content/v1/614f008bdbba3159ac98c058/672fd85e-413f-482d-b6dd-81e693023295/image%287%29.png https://www.deepsynoptic.org/team-rci daily 0.75 2024-11-07 https://www.deepsynoptic.org/commeet daily 0.75 2026-03-19 https://www.deepsynoptic.org/acronyms daily 0.75 2025-12-02 https://www.deepsynoptic.org/acronyms-1 daily 0.75 2025-04-17 https://www.deepsynoptic.org/careers daily 0.75 2025-09-19 https://www.deepsynoptic.org/overview-1 daily 0.75 2025-12-02 https://images.squarespace-cdn.com/content/v1/614f008bdbba3159ac98c058/c27b0835-0207-4624-82bc-9f67417037ab/TimePie.png https://images.squarespace-cdn.com/content/v1/614f008bdbba3159ac98c058/44cf989a-f8c6-4deb-807f-992f14516b6d/SurveySpeed.png Overview (Old) - Make it stand out Survey speed and sensitivity of the DSA-2000 and other current (small squares) and planned (large squares) radio telescopes that operate at 1.4 GHz. https://images.squarespace-cdn.com/content/v1/614f008bdbba3159ac98c058/c9cc4bb7-8ee6-476a-8642-0adcd9c48d1c/Cheatsheet.jpg https://www.deepsynoptic.org/home daily 1.0 2026-02-26 https://images.squarespace-cdn.com/content/v1/614f008bdbba3159ac98c058/1666338462638-CH4ILY4D90NW7CLDVGML/neutronstarmerger.jpg https://images.squarespace-cdn.com/content/v1/614f008bdbba3159ac98c058/5800ce31-f9e8-42b4-ae48-06686957a661/Wide_17Nov2025_Day.jpg https://images.squarespace-cdn.com/content/v1/614f008bdbba3159ac98c058/3bf31c71-4229-466e-b47b-af35e040a230/DSA2000_Terrain_tilted.jpg https://images.squarespace-cdn.com/content/v1/614f008bdbba3159ac98c058/1666338999379-HIMYCKLUNX0TLNHEKCX3/seqD_063a.jpg https://images.squarespace-cdn.com/content/v1/614f008bdbba3159ac98c058/94e665e1-fce3-4edf-b78d-517fd5da1073/Nanograv.png https://images.squarespace-cdn.com/content/v1/614f008bdbba3159ac98c058/7c82e899-df38-4bea-bd0d-ca4a7fd824c0/nrao_logo_pms.png https://images.squarespace-cdn.com/content/v1/614f008bdbba3159ac98c058/0d0a9845-4a6e-4888-a692-15c9be10addb/Bechtel_Logo_CMYK.png https://images.squarespace-cdn.com/content/v1/614f008bdbba3159ac98c058/676058b3-0801-427a-9b2c-c7b728d00e27/nvidia.png https://images.squarespace-cdn.com/content/v1/614f008bdbba3159ac98c058/e17ae3e0-5b65-4efe-b6cb-3445ea01786b/MarkIIISystems.png https://images.squarespace-cdn.com/content/v1/614f008bdbba3159ac98c058/3c2d521d-f712-40a4-bea5-21eb6a3a340f/minex.png https://images.squarespace-cdn.com/content/v1/614f008bdbba3159ac98c058/031f9b01-a5cd-467d-807b-9c3d70e4f6cf/mtex.png https://images.squarespace-cdn.com/content/v1/614f008bdbba3159ac98c058/a3b5f695-d763-4e82-acaf-4682d383f224/praxisbroadband.png https://images.squarespace-cdn.com/content/v1/614f008bdbba3159ac98c058/9214e33d-5e68-44fe-82d6-df3ac7a05240/real-time.png https://www.deepsynoptic.org/overview daily 0.75 2025-12-31 https://images.squarespace-cdn.com/content/v1/614f008bdbba3159ac98c058/d13f9527-4ee8-477e-90ea-bf650887d76f/SurveySpeed.png Overview - Make it stand out Survey speed and sensitivity of the DSA and other current and planned radio telescopes that operate at 1.4 GHz. https://www.deepsynoptic.org/key-science daily 0.75 2025-12-04 https://images.squarespace-cdn.com/content/v1/614f008bdbba3159ac98c058/9d18081c-66d3-4d0e-81a2-4f909e96fdac/ProposalTableSciencePillars.jpg https://www.deepsynoptic.org/key-science/multimessenger monthly 0.5 2025-12-04 https://images.squarespace-cdn.com/content/v1/614f008bdbba3159ac98c058/b564fdf7-35e1-4589-aca7-979a59f2cad6/KSG2.png Key Science - Multimessenger Astronomy - Make it stand out Left: Simulated radio light curves of a BNS merger at 190 Mpc for a median interstellar-medium (ISM) density (10⁻² cm⁻³). Also shown are the range of “red” (K-band – IR) and “blue” (r′-band – optical) kilonova lightcurves; 190 Mpc is the most optimistic range forecast for LIGO in the ongoing O4 observing run. Forecasts for the O5 run remain uncertain, with LIGO possibly extended to 240–325 Mpc. DSA (5σ / 4 hr) can detect both the median BNS jet and the median dynamical-ejecta signature for both O4 and O5. In many cases, due to the typically favorable inclinations of BNS and NSBH systems (median ~ 30 degrees), the DSA will be early enough to trigger follow-up observations with JWST. Right: Maximum distance at which BNS merger jets localized to ≤ 100 deg² can be discovered by the DSA, SKA1-mid and ngVLA, as a function of inclination for a range of ISM densities. The putative ranges beyond O5 (e.g., Voyager – 2030s) and the range of future 3G detectors (2040s) are also shown. Due its enormous survey speed, DSA will be the most powerful radio discovery instrument for GW follow-up for the coming decades. https://images.squarespace-cdn.com/content/v1/614f008bdbba3159ac98c058/f6664ca5-13a7-456a-bbb8-8a2729429649/KSG1.png Key Science - Multimessenger Astronomy - Make it stand out Left: Evidence for a low-frequency GW background (GWB) in NANOGrav data, using 68 millisecond pulsars (MSPs). The GWB is indicated by a predicted correlation (red dashed line) between timing variations for different pulsars (black points) that depends on the angular separation on the sky. Middle: The DSA will contribute approximately 2000 hr per year to PTA science. The DSA will more than compensate for the loss of Arecibo. Right: Sensitivity to GWs from individual SMBHBs. The dotted 15 yr curve is the current sensitivity, and the dashed curve and grey band indicate scenarios in 2036 without the DSA. The solid curve indicates a scenario where current data are combined with 10 yr of DSA data. The stepped lines indicate GW strain values above which one, two, three and four SMBHBs respectively are expected (95% confidence). The predicted signal from a leading candidate SMBHB (3C66B) is shown. Based on the existing NANOGrav GWB detection, the DSA will detect GWs from a few tens of individual SMBHBs. https://www.deepsynoptic.org/key-science/darksectorstronggravity monthly 0.5 2025-12-04 https://images.squarespace-cdn.com/content/v1/614f008bdbba3159ac98c058/426d4fbf-f5cf-4909-a1d9-daaee27f8245/KSG7.png Key Science - The Dark Sector & Strong Gravity - Make it stand out Left: Forward-modeled HI imaging (HI intensity map color–coded by velocity). The dashed ellipse indicates the optical-galaxy size. The DSA will provide HI imaging and kinematics of similar quality for few × 10⁴ galaxies. Middle: These data will be used to construct high–quality rotation curves, which show great variety throughout the galaxy population (spiral galaxy NGC2403: flat rotation curve; dwarf galaxy IC 2574: solid body rotation curve). Right: The rotation curve shape plotted as a function of baryonic mass density shows a puzzling diversity at low densities, as indicated by the ‘region of interest’ box. The DSA survey will derive accurate dark-matter profiles for few × 10⁴ galaxies, improving over current studies by 100X. https://images.squarespace-cdn.com/content/v1/614f008bdbba3159ac98c058/9ab03cd5-6586-4479-8543-63a0236aa5a4/lensing_figure.png Key Science - The Dark Sector & Strong Gravity - Make it stand out The DSA will discover a large number of strong gravitational lenses, including galaxy-galaxy lenses, group and cluster lenses, and time-domain lenses such as variable AGN and radio transients. Left: Mean lensing probability as a function of the total number of detected sources for seven surveys. Filled circles indicate past samples, open circles represent forecasts. The deep redshift distribution of DSA radio sources results in a large lensing probability. Right: Conceptual illustration of “time-delay cosmography”, whereby lensing delays can be used to determine cosmological parameters such as H₀. The DSA will discover and monitor several hundred such systems. https://images.squarespace-cdn.com/content/v1/614f008bdbba3159ac98c058/55e4364c-a8c3-4ab4-b809-8e29b73674d5/KSG8.png Key Science - The Dark Sector & Strong Gravity - Make it stand out Left: The phase space of existing and upcoming tests of gravity theories. Dynamical tests that additionally probe GWs and radiation-reaction are highlighted. It is critical to validate GR in all possible regimes. The DSA PTA will probe strong gravity and non-GR polarization modes of GWs in the low-curvature region by observing GWs from individual SMBHBs. The DSA will substantially increase the known population of pulsars (PSRs) in binary systems, and will discover PSR–BH binaries. Pulsar binaries with additional bound stars (e.g., PSR J0337+1715) also enable tests of the Einstein equivalence principle, and PSR-BH binaries enable tests of BH models (e.g., cosmic censorship conjecture). Right: The DSA will increase the number of known pulsars, including in binary systems, by a factor of seven. https://www.deepsynoptic.org/key-science/radiosky monthly 0.5 2025-12-04 https://images.squarespace-cdn.com/content/v1/614f008bdbba3159ac98c058/fc3b0908-a57a-4aed-bcc4-c6132a604b7d/KSG5.png Key Science - The Dynamic Radio Sky - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/614f008bdbba3159ac98c058/7030e96d-b303-4500-b5ce-cb0131dd4f3c/KSG6.png Key Science - The Dynamic Radio Sky - Make it stand out Left: Radio emission from stellar explosions enables direct measurements of the explosion energies and velocities. This enables inference of the mass of the circumstellar material swept up by the blastwaves, indicated by diagonal dashed lines. The shaded regions indicate the regimes ripe for discovery by the DSA. Right: The interpretation of DSA transient discoveries will be enhanced through matching with optical counterparts from Rubin/LSST. Single-epoch sensitivities of the DSA-2000 and LSST are shown, with existing time–domain surveys. The diagonal lines show luminosity-distance horizons for median examples of different classes of transient, identified in the left panel. Although the DSA probes a 700 times larger volume than VLASS, the increased number of epochs imply a transient population ~2000 times larger. https://www.deepsynoptic.org/key-science/cosmichistory monthly 0.5 2025-12-04 https://images.squarespace-cdn.com/content/v1/614f008bdbba3159ac98c058/882fe7dc-8bb5-4b31-a717-bff06ed066b9/KSG3top.png Key Science - Our Cosmic History - Make it stand out Left: The DSA neutral-hydrogen (HI) all-sky and deep-drilling surveys will increase the sensitivity and survey volume (grey curves) compared to previous and ongoing HI surveys by orders of magnitude. Right: Simulated distribution of the millions of galaxies the DSA will detect in HI at >10 σ, from the Local Group out to redshift z = 1. As the HI luminosity function at significant redshifts is currently unconstrained, we show two realizations based on: red: local scaling relations, blue: the SURFS simulations, the SHARK semi-analytic model of galaxy evolution, and the STINGRAY mock sky builder. The DSA will map the gas content of the Universe in unprecedented ways, including its large-scale structure imprinted on the underlying dark matter distribution. https://images.squarespace-cdn.com/content/v1/614f008bdbba3159ac98c058/bc0ffc6b-8876-42db-8c78-4ab1f0e8cf29/KSG4.png Key Science - Our Cosmic History - Make it stand out Left: The main sequence of galaxies at < 100 Mpc from the NED Local Volume Sample. 32,000 galaxies are cataloged and characterized, representing > 90% of the total population. For each galaxy, the DSA-2000 will map continuum and polarized emission with sensitivity to 2.5 μJy/beam over ≲ 1 kpc scales. Right: Radio-synchrotron images made from FIRE-2 simulations of Milky Way-like galaxies with different assumptions for CR transport microphysics. The left (right) figure corresponds to the constant-diffusion (extrinsic turbulence) assumption. DSA-2000 will be sensitive to surface brightnesses of ∼10⁴﹒¹ Jy/sr, easily distinguishing between these models.