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Titolo: The Bordeaux and Valinhos CCD meridian circles
Autore: Viateau, B; Requieme, Y; Le Campion, JF; Benevides-Soares, P; Teixeira, R; Montignac, G; Mazurier, JM; Monteiro, W; Bosq, F; Chauvet, F; Colin, J; Daigne, G; Desbats, JH; Dominici, TP; Perie, JP; Raffaelli, J; Rapaport, M;
- Indirizzi:
- Observ Bordeaux, CNRS, UMR 5804, F-33270 Florac, France Observ Bordeaux Florac France F-33270 , UMR 5804, F-33270 Florac, France USP, IAG, Dept Astron, BR-01060970 Sao Paulo, Brazil USP Sao Paulo Brazil BR-01060970 BCAstron, BR-01060970 Sao Paulo, Brazil
- Titolo Testata:
- ASTRONOMY & ASTROPHYSICS SUPPLEMENT SERIES
fascicolo: 1,
volume: 134,
anno: 1999,
pagine: 173 - 186
- SICI:
- 0365-0138(199901)134:1<173:TBAVCM>2.0.ZU;2-C
- Fonte:
- ISI
- Lingua:
- ENG
- Keywords:
- astrometry; reference systems; instrumentation : miscellaneous;
- Tipo documento:
- Article
- Natura:
- Periodico
- Settore Disciplinare:
- Physical, Chemical & Earth Sciences
- Citazioni:
- 23
- Recensione:
- Indirizzi per estratti:
- Indirizzo: Viateau, B Observ Bordeaux, CNRS, UMR 5804, BP 89, F-33270 Florac, France Observ Bordeaux BP 89 Florac France F-33270 270 Florac, France
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- Citazione:
- B. Viateau et al., "The Bordeaux and Valinhos CCD meridian circles", ASTR AST SS, 134(1), 1999, pp. 173-186
Abstract
A first CCD 512 x 512 camera working in scan mode (declination field 14') was mounted in 1994 on the Bordeaux CCD meridian circle, After a testing period, this camera was installed on the Valinhos CCD meridian circle (near Sao Paulo, Brazil), as part of a collaboration between Bordeaux Observatory and the Institute Astronomico e Geofisico of Sao Paulo. A second improved CCD 1024 x 1024 camera, with a declination field of 28', was installed on the Bordeaux instrument in June 1996. The mean internal precision of a singleobservation is about 0.04 " in both coordinates for 9 less than or equal to V less than or equal to 14. In the same magnitude range, magnitudes can also be obtained with an internal precision of about 0.05 mag. Both instruments can participate efficiently in extending the Hipparcos-Tycho frame, during the next decade. Among other duties, the Bordeaux CCD meridian circle is being used since January 1997 for completing the Meridien 2000 project. The characteristics of both instruments and some results obtained with them are presented in this paper.
ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 26/05/13 alle ore 06:12:04