The HSC is based on data from the Hubble Legacy Archive (HLA). If you have questions, or items toīring to our attention, please send them to: archive help. Several Use Cases are available to give you step by step instructions. More detailed information can be found on the Frequently Asked Such single sources are nonetheless included in the catalog. About 19% of the sources could not be cross-matched with sources in other visits.About 6% of the source lists (white-light images) in the HSC do not have an astrometric correctionįrom either an external catalog (e.g.(e.g., moving targets, grism observations, cosmic ray contamination, etc.) About 30% of the ACS/WFC, WFC3, and WFPC2 images are not included in the catalog due to image quality and other issues.The default is to use mag_aper2 Source Extractor values for Sources that were searched for variability) with V 1 (or more) to filter out many artifacts.ĥ. The HCVĬontains 84,428 candidate variable sources (out of 3.7 million HSC Well as transients and variable active galactic nuclei. It includes variable stars in our Galaxy and nearby galaxies, as The HCV is the first homogeneous catalog of variable sources found in the HSC. The Hubble Space Telescope by combining the tens of thousands ofĪ major new High-Level Science Product derived from the HSC, was released. The Hubble Source Catalog (HSC) is designed to optimize science from This is a description of the current version of the Hubble Source
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