Drlica-Wagner, A;
Ferguson, PS;
Adamow, M;
Aguena, M;
Allam, S;
Andrade-Oliveira, F;
Bacon, D;
... Zenteno, A; + view all
(2022)
The DECam Local Volume Exploration Survey Data Release 2.
The Astrophysical Journal
, 261
(2)
, Article 38. 10.3847/1538-4365/ac78eb.
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Abstract
We present the second public data release (DR2) from the DECam Local Volume Exploration survey (DELVE). DELVE DR2 combines new DECam observations with archival DECam data from the Dark Energy Survey, the DECam Legacy Survey, and other DECam community programs. DELVE DR2 consists of ∼160,000 exposures that cover >21,000 deg2 of the high-Galactic-latitude (∣b∣ > 10°) sky in four broadband optical/near-infrared filters (g, r, i, z). DELVE DR2 provides point-source and automatic aperture photometry for ∼2.5 billion astronomical sources with a median 5σ point-source depth of g = 24.3, r = 23.9, i = 23.5, and z = 22.8 mag. A region of ∼17,000 deg^{2} has been imaged in all four filters, providing four-band photometric measurements for ∼618 million astronomical sources. DELVE DR2 covers more than 4 times the area of the previous DELVE data release and contains roughly 5 times as many astronomical objects. DELVE DR2 is publicly available via the NOIRLab Astro Data Lab science platform.
| Type: | Article |
|---|---|
| Title: | The DECam Local Volume Exploration Survey Data Release 2 |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.3847/1538-4365/ac78eb |
| Publisher version: | https://doi.org/10.3847/1538-4365/ac78eb |
| Language: | English |
| Additional information: | © 2022 IOP Publishing. Original content from this work may be used under the terms of the Creative Commons Attribution 4.0 licence (http://creativecommons.org/licenses/by/4.0/). |
| Keywords: | Catalogs (205); Surveys (1671); Local Group (929) |
| UCL classification: | UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Physics and Astronomy UCL > Provost and Vice Provost Offices > UCL BEAMS UCL |
| URI: | https://discovery-pp.ucl.ac.uk/id/eprint/10154102 |
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