Dr. Francesco Pierfederici Profile

Dr. Francesco Pierfederici

at Space Telescope Science Institute

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Publications (6)

Proceedings Article | 27 September 2012 Paper

Applying decades of HST experience to JWST data processing

Francesco Pierfederici, Michael Swam, Gretchen Greene

Proceedings Volume 8448, 84480N (2012) https://doi.org/10.1117/12.924906

KEYWORDS: Data processing, James Webb Space Telescope, Space telescopes, Calibration, Astronomy, Hubble Space Telescope, Optical instrument design, Computer architecture, Observatories, Charge-coupled devices

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Proceedings Article | 30 July 2010 Paper

Simulation of autonomous observing with a ground-based telescope: the LSST experience

Stephen Ridgway, Kem Cook, Michelle Miller, Catherine Petry, Srinivasan Chandrasekharan, Abhijit Saha, Robyn Allsman, Timothy Axelrod, Charles Claver, Francisco Delgado, Zeljko Ivezic, R. Lynne Jones, Simon Krughoff, Francesco Pierfederici, Phillip Pinto

Proceedings Volume 7737, 77370Z (2010) https://doi.org/10.1117/12.857734

KEYWORDS: Large Synoptic Survey Telescope, Telescopes, Device simulation, Observatories, Data acquisition, Motion measurement, Astronomy, Optical instrument design, Cameras, Data modeling

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Proceedings Article | 19 July 2010 Paper

An open source application framework for astronomical imaging pipelines

T. Axelrod, J. Kantor, R. H. Lupton, F. Pierfederici

Proceedings Volume 7740, 774015 (2010) https://doi.org/10.1117/12.857297

KEYWORDS: Large Synoptic Survey Telescope, Image processing, C++, Astronomy, Sensors, Imaging systems, Image sensors, Data processing, Data modeling, Data archive systems

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Proceedings Article | 30 June 2006 Paper

LSST operation simulator implementation

Francisco Delgado, Kem Cook, Michelle Miller, Robyn Allsman, Francesco Pierfederici

Proceedings Volume 6270, 62701D (2006) https://doi.org/10.1117/12.671992

KEYWORDS: Telescopes, Device simulation, Large Synoptic Survey Telescope, Databases, Data modeling, Domes, Observatories, Clouds, Astronomy, Optical instrument design

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Proceedings Article | 1 November 2001 Paper

Querator: an advanced multi-archive data mining tool

Francesco Pierfederici

Proceedings Volume 4477, (2001) https://doi.org/10.1117/12.447181

KEYWORDS: Data centers, Astronomy, Observatories, Data mining, Space telescopes, Data acquisition, Telescopes, Databases, Data archive systems, Galactic astronomy

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In recent years, the operation of large telescopes with wide field detectors - such as the European Southern Observatory (ESO) Wide Field Imager (WFI) on the 2.2 meters telescope at La Silla, Chile - have dramatically increased the amount of astronomical data produced each year. The next survey telescopes, such as the ESO VST, will continue on this trend, producing extremely large datasets. Astronomy, therefore, has become an incredibly data rich field requiring new tools and new strategies to efficiently handle huge archives and fully exploit their scientific content. At the Space Telescope European Coordinating Facility we are working on a new project, code named Querator (http://archive.eso.org/querator/). Querator is an advanced multi-archive search engine built to address the needs of astronomers looking for multicolor imaging data across different astronomical data-centers. Querator returns sets of images of a given astronomical object or search region. A set contains exposures in a number of different wave bands. The user constraints the number of desired wave bands by selecting from a set of instruments, filters or by specifying actual physical units. As far as present-day data-centers are concerned, Querator points out the need for: - an uniform and standard description of archival data and - an uniform and standard description of how the data was acquired (i.e. instrument and observation characteristics). Clearly, these pieces of information will constitute an intermediate layer between the data itself and the data mining tools operating on it. This layered structure is a prerequisite to real data-center inter-operability and, hence, to Virtual Observatories. A detailed description of Querator's design, of the required data structures, of the problems encountered so far and of the proposed solutions will be given in the following pages. Throughout this paper we'll favor the term data-center over archive to stress the need to look at raw-pixels' archives and catalogues in an homogeneous way.

Proceedings Article | 1 November 2001 Paper

New tools and methods to browse HST images and spectra

Markus Dolensky, Alberto Micol, Francesco Pierfederici, Benoit Pirenne

Proceedings Volume 4477, (2001) https://doi.org/10.1117/12.447180

KEYWORDS: Java, Space telescopes, Observatories, Stars, Data archive systems, Visualization, Space operations, Data centers, Telescopes, Hubble Space Telescope

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