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Rapaport, M.; Le Campion, J.-F.; Soubiran, C.; Daigne, G.; Périé, J.-P.; Bosq, F.; Colin, J.; Desbats, J.-M.; Ducourant, C.; Mazurier, J.-M.; Montignac, G.; Ralite, N.; Réquième, Y.; Viateau, B.
Astronomy & astrophysics, 09/2001, Letnik: 376, Številka: 1Journal Article
During four years, systematic observations have been conducted in drift scan mode with the Bordeaux automated meridian circle in the declination band $+11\degr \leq \delta \leq +18\degr$. The resulting astrometric catalog includes about $2.3\times 10^6$ stars down to the magnitude limit $V_{\rm M}=16.3$. Nearly all stars (96% ) have been observed at least 6 times, the catalog being complete down to $V_{\rm M}=15.4$. The median internal standard error in position is ${\sim} 35$ mas in the magnitude range $11 < V_{\rm M} < 15$, which degrades to ${\sim} 50$ mas when the faintest stars are considered. M2000 also provides one band photometry with a median internal standard error of ${\sim} 0.04$ mag. Comparisons with the Hipparcos and bright part of Tycho-2 catalogs have enabled us to estimate external errors in position to be lower than 40 mas. In this zone and at epoch 1998, the faint part of Tycho-2 is found to have an accuracy of 116 mas in α instead of 82 mas deduced from the model-based standard errors given in the catalog.
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Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
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Vir: Osebne bibliografije
in: SICRIS
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