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An interactive procedure to solve the background subtraction problems in IUE High Resolution spectra: Application to the image SWP 4616

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Abstract

The standard BKG subtraction and blaze efficiency correction in IUE High Resolution Images are unsatisfactory. We have developed an interactive procedure to eliminate these well-known inadequacies. A background statistically constant and a constant point spread function perpendicular to the direction of the dispersion have been assumed. The validity of these hypotheses is controlled during the run of the procedure for each image. We present an application to the IUE Hi Res SWP 4616 Image.

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References

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Authors and Affiliations

  1. Osservatorio Astronomico di Trieste, Trieste, Italy

    C. Morossi, M. Ramella, M. Pucillo & P. Santin

Authors
  1. C. Morossi
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  2. M. Ramella
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  3. M. Pucillo
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  4. P. Santin
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Additional information

Based on observations by the International Ultraviolet Explorer (IUE) collected at the Villefranca Satellite Tracking Station of the European Space Ageney (ESA).

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Morossi, C., Ramella, M., Pucillo, M. et al. An interactive procedure to solve the background subtraction problems in IUE High Resolution spectra: Application to the image SWP 4616. Astrophys Space Sci 87, 279–286 (1982). https://doi.org/10.1007/BF00648923

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  • DOI: https://doi.org/10.1007/BF00648923

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