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The Vera C. Rubin Observatory Data Preview 1
Department of Physics and Astronomy, University of Delaware, Newark, DE 19716-2570, USA.
NSF-DOE Vera C. Rubin Observatory / NSF NOIRLab, 950 N. Cherry Ave., Tucson, AZ 85719, USA.
SLAC National Accelerator Laboratory, 2575 Sand Hill Rd., Menlo Park, CA 94025, USA.
Department of Physics and Astronomy, Stony Brook University, Stony Brook, NY 11794, USA.
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2026 (English)In: Astronomical Journal, ISSN 0004-6256, E-ISSN 1538-3881, Vol. 171, no 6, article id 360Article in journal (Refereed) Published
Abstract [en]

We present Rubin Data Preview 1 (DP1), the first data from the National Science Foundation–Department of Energy Vera C. Rubin Observatory, comprising raw and calibrated single-epoch images, coadds, difference images, detection catalogs, and ancillary data products. DP1 is based on 1792 optical–near-infrared exposures acquired over 48 distinct nights by the Rubin Commissioning Camera (LSSTComCam) on the Simonyi Survey Telescope at the Summit Facility on Cerro Pachón, Chile in late 2024. DP1 covers ∼15 deg2 distributed across seven roughly equal-sized noncontiguous fields, each independently observed in six broad photometric bands, ugrizy. The median FWHM of the point-spread function across all bands is approximately "14, with the sharpest images reaching about "58. The 5σ point-source depths for coadded images in the deepest field, the Extended Chandra Deep Field South, are u = 24.55, g = 26.18, r = 25.96, i = 25.71, z = 25.07, and y = 23.1. Other fields are no more than 2.2 mag shallower in any band, where they have nonzero coverage. DP1 contains approximately 2.3 million distinct astrophysical objects, of which 1.6 million are extended in at least one band in coadds, and 431 solar system objects, of which 93 are new discoveries. DP1 is approximately 3.5 TB in size and is available to Vera C. Rubin Observatory data rights holders via the Rubin Science Platform, a cloud-based environment for the analysis of petascale astronomical data. While small compared to future LSST releases, its high quality and diversity of data support a broad range of early science investigations ahead of full operations in 2026.

Place, publisher, year, edition, pages
Institute of Physics Publishing (IOPP), 2026. Vol. 171, no 6, article id 360
Keywords [en]
Ground-based astronomy, Sky surveys
National Category
Astronomy, Astrophysics and Cosmology
Research subject
Space Systems
Identifiers
URN: urn:nbn:se:ltu:diva-117955DOI: 10.3847/1538-3881/ae521fISI: 001771927400001Scopus ID: 2-s2.0-105039888638OAI: oai:DiVA.org:ltu-117955DiVA, id: diva2:2078774
Note

Full text license: CC BY 4.0;

Funder: National Science Foundation, USA (NSF) (AST-1258333, AST-2241526, AST-1202910 and AST-2211468); United States Department of Energy (DOE) (DE-AC02-76SF00515); the French National Center for Scientific Research (CNRS); Science and Technology Facilities Council (STFC), UK

Available from: 2026-06-24 Created: 2026-06-24 Last updated: 2026-06-24Bibliographically approved

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Granvik, Mikael

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4041424344454643 of 91
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