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Figure 1: Number of extra-galactic objects (bold) and quasars (normal) recorded by Véron-Cetty & Véron from 1984 to 2003 in their publications. |
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Figure 2: Number of BL Lac objects recorded by Véron-Cetty & Véron from 1984 to 2003 in their publications. |
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Figure 3: Number of active galaxies recorded by Véron-Cetty & Véron from 1984 to 2003 in their publications. |
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Figure 4: Histogram showing the number of quasars of VV2003 catalog with respect to their V-magnitude. |
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Figure 5: Histogram showing the number of quasars of the ICRF-Ext.2 catalog cross-identified with the VV2003 catalog, with respect to their V-magnitude. |
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Figure 6: Histogram showing the number of quasars in the VV2003 catalog with respect to their radio flux at 6 cm. |
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Figure 7: Histogram showing the number of defining sources in the ICRF cross-identified with VV2003, with respect to their flux at 6 cm. |
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Figure 8: Histogram showing the number of quasars in the VV2003 catalog with respect to their radio flux at 11 cm. |
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Figure 9: Histogram showing the number of defining sources in the ICRF cross-identified with VCV2003, with respect to their flux at 11 cm. |
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Figure 10: Histogram showing the number of quasars in the VV2003 catalog, with respect to their redshift. |
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Figure 11: Histogram showing the number of quasars in the ICRF-Ext.2 catalog cross-identified with the VV2003 catalog, with respect to their redshift. |
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Figure 12: Curve showing the V-magnitude of quasars in the VV2003 catalog (dots) and of the ICRF defining sources cross-identified with this last catalog (large full circles), with respect to their redshift z. |
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Figure 13:
Plot in black of the zones of the sky for which the shortest distance
to a defining source of the ICRF catalog (212 sources in all) is greater than
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Figure 14:
Plot in black of the zones of the sky for which the shortest distance
to a source of the ICRF.Ext-2 catalog (717 sources in all) is greater than
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Figure 15:
Plot in black of the zones of the sky for which the shortest distance
to a quasar of the VV2003 catalog (48 520 sources at all) is larger than ![]() |
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