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The Spitzer IRAC/MUSYC Public Legacy Survey in the Extended Chandra Deep Field South (SIMPLE) consists of deep IRAC observations (several hours per pointing) covering the 0.5 x 0.5 deg area...
Search relevance: 164.54 | Views last month: 2 | Catalog Last Checked: November 03, 2026 at 11:50 PM -
This table contains the Million Quasars (MILLIQUAS) Catalog, Version 8 (2 August 2023). It is a compendium of 907,144 type-I QSOs and AGN, largely complete from the literature to 30 June 2023....
Search relevance: 41.47 | Views last month: 7 | Catalog Last Checked: November 03, 2026 at 11:45 PM -
The authors have detected 300 X-ray sources within the half-mass radius (2.79') of the globular cluster 47 Tucanae in a deep (281 ks) Chandra exposure. They perform photometry and simple spectral...
Search relevance: 39.58 | Views last month: 1 | Catalog Last Checked: November 03, 2026 at 11:49 PM -
This table contains the optical and X-ray spectral properties of the sources detected in a 200-ks Chandra observation of part of the Groth-Westphal Strip (GWS) region, using the ACIS-I instrument....
Search relevance: 35.53 | Views last month: 1 | Catalog Last Checked: November 03, 2026 at 11:45 PM -
This table contains data from the first data release (DR1) from the UV-bright Quasar Survey (UVQS) for new z ~ 1 active galactic nuclei (AGN) across the sky. Using simple GALEX UV and WISE near-IR...
Search relevance: 23.52 | Views last month: 3 | Catalog Last Checked: November 03, 2026 at 11:50 PM
