Ultra Low Dispersion Spectroscopy with Gaia and Astronomical Slitless Surveys

Authors

  • R. Hudec
  • L. Hudec
  • M. Klíma

DOI:

https://doi.org/10.14311/1504

Keywords:

astronomical spectroscopy, low dispersion spectroscopy, slitless spectroscopy, Gaia

Abstract

The ultra-low dispersion spectroscopy to be applied in the ESA Gaia space observatory and the ground-based objective-prism plate surveys represent a similar type of astrophysical data. Although the dispersion in plate surveys is usually larger than in the Gaia blue and red photometers (BP/RP), the spectral resolutions differ by a factor of 2–3 only, since the resolution in ground-based spectra is seeing-limited. We argue that some of the algorithms developed for digitized objective-prism plates can also be applied for the Gaia spectra. At the same time, the plate results confirm the feasibility of observing strong emission lines with Gaia RP/BP.

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Author Biographies

R. Hudec

L. Hudec

M. Klíma

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Published

2012-01-01

How to Cite

Hudec, R., Hudec, L., & Klíma, M. (2012). Ultra Low Dispersion Spectroscopy with Gaia and Astronomical Slitless Surveys. Acta Polytechnica, 52(1). https://doi.org/10.14311/1504

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Section

Articles