Abstract
Optimization of scientific throughput from the ESA Euclid mission imposes stringent requirements on the performance of satellite absolute pointing. This will be achieved by the on-board Fine Guidance Sensor (FGS) with the aid of a specific stellar catalog, which must comply with well-defined, FGS-driven astrometric and photometric properties. By means of the OATo Star Catalog Database, used for the production of the Initial Gaia Source List, we present a preliminary assessment of the methods of construction of such a reference catalog.
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The FGS photometric bandpass can be assimilated to the photographic magnitude R F , with variations below 0.1 mag, for all spectral types with the exclusion of very low-mass stars, for which R FGS can be sensibly brighter (¿0.5 mag) than R F .
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Acknowledgements
This work has been partially supported by contract TASI – OATo, purchase order no.1520037410
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© 2016 Springer International Publishing Switzerland
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Bucciarelli, B. et al. (2016). The Construction of a Reference Star Catalog for the Euclid Mission. In: Napolitano, N., Longo, G., Marconi, M., Paolillo, M., Iodice, E. (eds) The Universe of Digital Sky Surveys. Astrophysics and Space Science Proceedings, vol 42. Springer, Cham. https://doi.org/10.1007/978-3-319-19330-4_15
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DOI: https://doi.org/10.1007/978-3-319-19330-4_15
Publisher Name: Springer, Cham
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