4.0 Article

Correcting second-order contamination in low-resolution spectra

Journal

ASTRONOMISCHE NACHRICHTEN
Volume 328, Issue 9, Pages 948-952

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/asna.200710779

Keywords

methods : data analysis; supernovae : individual : (SN 2005cf, SN 2005hk); techniques : spectroscopic

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An empirical method for correcting low-resolution astronomical spectra for second-order contamination is presented. The method was developed for correcting spectra obtained with grism#4 of the ALFOSC spectrograph at the Nordic Optical Telescope and the performance is demonstrated on spectra of two nearby bright Type la supernovae. (c) 2007 WILEY-VCH Verlag GmbH & Co. KGaA. Weinheim.

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