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Figure 1:
Residuals of the astrometric solution for PSC (filled circles)
and XSC (crosses) sources. The histograms show the RMS of RA ( top panel)
and Dec ( right panel). A circle of radius
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Figure 2: Comparison between the 2MASS photometry and previous NIR-photometry from the Master Catalogue. Left panels: 2MASS sources identifyied in the XSC. Right panels: 2MASS sources identifyied in the PSC. The extended source are in left panel and the points source in righ panel. |
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Figure 3:
Comparison between the photometry of the final sample (corrected
PSC+XSC) and previous NIR-photometry. The dashed lines encloses
the range of ![]() |
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Figure 4: V-K vs. various optical colors for the confirmed globular clusters (small points) and for the confirmed galaxies (filled circles). |
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Figure 5: V-K vs. optical colors for the not-yet-confirmed candidates globular cluster (small open circles) and for controversial objects that have been classified as clusters by some authors and as galaxies by others (filled squares). |
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