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Article: A fast and portable reimplementation of piskunov and valenti's optimal-extraction algorithm with improved cosmic-ray removal and optimal sky subtraction

TitleA fast and portable reimplementation of piskunov and valenti's optimal-extraction algorithm with improved cosmic-ray removal and optimal sky subtraction
Authors
Issue Date2014
Citation
Publications of the Astronomical Society of the Pacific, 2014, v. 126, n. 936, p. 170-179 How to Cite?
AbstractWe present a fast and portable reimplementation of Piskunov and Valenti's optimal-extraction algorithm (Piskunov & Valenti 2002) in C/C++ together with full uncertainty propagation, improved cosmicray removal, and an optimal background-subtraction algorithm. This reimplementation can be used with IRAF and most existing data-reduction packages and leads to signal-to-noise ratios close to the Poisson limit. The algorithm is very stable, operates on spectra from a wide range of instruments (slit spectra and fibre feeds), and has been extensively tested for VLT/UVES, ESO/CES, ESO/FEROS, NTT/EMMI, NOT/ALFOSC, STELLA/SES, SSO/ WiFeS, and finally, P60/SEDM-IFU data. © 2014. The Astronomical Society of the Pacific. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/209024
ISSN
2015 Impact Factor: 4.422
2015 SCImago Journal Rankings: 2.926

 

DC FieldValueLanguage
dc.contributor.authorRitter, Andreas-
dc.contributor.authorHyde, Elaina A.-
dc.contributor.authorParker, Quentin A.-
dc.date.accessioned2015-03-23T02:31:11Z-
dc.date.available2015-03-23T02:31:11Z-
dc.date.issued2014-
dc.identifier.citationPublications of the Astronomical Society of the Pacific, 2014, v. 126, n. 936, p. 170-179-
dc.identifier.issn0004-6280-
dc.identifier.urihttp://hdl.handle.net/10722/209024-
dc.description.abstractWe present a fast and portable reimplementation of Piskunov and Valenti's optimal-extraction algorithm (Piskunov & Valenti 2002) in C/C++ together with full uncertainty propagation, improved cosmicray removal, and an optimal background-subtraction algorithm. This reimplementation can be used with IRAF and most existing data-reduction packages and leads to signal-to-noise ratios close to the Poisson limit. The algorithm is very stable, operates on spectra from a wide range of instruments (slit spectra and fibre feeds), and has been extensively tested for VLT/UVES, ESO/CES, ESO/FEROS, NTT/EMMI, NOT/ALFOSC, STELLA/SES, SSO/ WiFeS, and finally, P60/SEDM-IFU data. © 2014. The Astronomical Society of the Pacific. All rights reserved.-
dc.languageeng-
dc.relation.ispartofPublications of the Astronomical Society of the Pacific-
dc.titleA fast and portable reimplementation of piskunov and valenti's optimal-extraction algorithm with improved cosmic-ray removal and optimal sky subtraction-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1086/675407-
dc.identifier.scopuseid_2-s2.0-84895131574-
dc.identifier.volume126-
dc.identifier.issue936-
dc.identifier.spage170-
dc.identifier.epage179-

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