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Figure 1: Sky distribution of the observed ICRF quasars in equatorial coordinates. Each quasar is identified by an internal identification number listed in Col. 11 of Table 2. The dotted line indicates the Galactic equator. |
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Figure 2:
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Figure 3:
Relative positions of the 9 mosaic images used for the FDP analysis. Each
image is identified with a number. The total area is
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Figure 4:
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Figure 5:
Distribution of the observed quasar magnitudes in the three near-IR
bands (full line: J, dotted line: H, dashed line: ![]() |
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Figure 6:
Precision of the J, H,
and ![]() |
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Figure 7: Comparison of near-IR and radio spectral indices. |
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Figure 8:
Differences in the sense near-IR minus ICRF, before ( left panel)
and after ( right panel) correcting for the FDP. The near-IR positions are the mean of
the J, H, and ![]() |
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Figure 9:
Distance moduli between the near-IR and ICRF positions as a function of the
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Figure 10: Comparison between the astrometric results from single-image (horizontal axes) and mosaic (vertical axes) modes in the F filter. In the left panel, the two largest differences have the internal identification numbers of their corresponding objects indicated. These were not considered for calculating the rms values printed in each panel. |
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Figure 11: Comparison of the uncorrected and FDP-corrected positional scatter from the single-image treatment. The reference (UCAC2) star positions were modified according to improvements provided by the global reduction technique. Left panel: without correction for the FDP. Right panel: with correction for the FDP. |
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Figure 12: SED. Left: 0312-770 (01a). Right: 0431-512 (03p). |
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Figure 13: SED. Left: 0511-220 (04p). Right: 0521-365 (07p). |
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Figure 14: SED. Left: 0530-727 (08p). Right: 0528-250 (09a). |
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Figure 15: SED. Left: 0537-286 (10a). Right: 0614-349 (11p). |
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Figure 16: SED. Left: 0622-441 (13p). Right: 0629-418 (14a). |
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Figure 17: SED. Left: 0637-752 (15p). Right: 0646-306 (17a). |
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Figure 18: SED. Left: 0700-465 (19a). Right: 0743-673 (23a). |
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Figure 19: SED. Left: 0809-493 (24p). Right: 0823-500 (25p). |
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Figure 20: SED. Left: 0823-223 (26a). Right: 0834-201 (30p). |
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Figure 21: SED. Left: 0842-754 (31p). Right: 0919-260 (32p). |
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Figure 22: SED. Left: 0920-397 (33p). Right: 0925-203 (34p). |
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Figure 23: SED. Left: 1048-313 (38p). Right: 1101-325 (39p). |
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Figure 24: SED. Left: 1101-536 (40a). Right: 1104-445 (41a). |
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Figure 25: SED. Left: 1105-680 (42a). Right:1116-462 (43a). |
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Figure 26: SED. Left: 1129-580 (44a). Right: 1144-379 (46a). |
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