Appendix 7. Combined Calibration Scan Images and Source Lists
5. General Properties of the Combined Calibration Field Data
90808 Field
Tile Number (click for preview image) | 90808 | |
Central R.A. Dec (J2000; deg) | 285.48438 | -4.48794 |
Central glon glat (deg) | 30.12525 | -4.37662 |
Corners of source extraction area (R.A./Dec. pairs - J2000 deg) | 285.414519 -3.987860, 285.414519 -4.985276, 285.554017 -3.987860, 285.554017 -4.985276 | |
Number Northgoing Scans Combined (J/H/Ks) | 847/848/850 | |
Number Southgoing Scans Combined (J/H/Ks) | 850/850/853 | |
Number of Extractions (includes artifacts) | 26867 |
Retrieve Images and Source List for this Field
Extracted Source Counts and Statistics | ||
Figure 1 - Differential counts vs. magnitude for J (top), H (center), and Ks (bottom) bands. 2MASS All-Sky PSC source counts in the same approximate area are shown in the shaded region. | Figure 2 - Photometric uncertainties plotted versus magnitude for J (top), H (center), and Ks (bottom) bands. | Figure 3 - Log 1-sigma noise (mJy) histograms for J (top), H (center), and Ks (bottom) bands. |
Photometric Properties | ||
Figure 4 - Color-magnitude diagram. | Figure 5 - Color-color diagram. |
Extracted Source Photometric Residuals With Respect to the 2MASS PSC | ||
Figure 6 - J-band residuals (PSC-deep) Combination Calibration Scan J-magnitude. | Figure 7 - H-band residuals (PSC-deep) Combination Calibration Scan H-magnitude. | Figure 8 - Ks-band residuals (PSC-deep) Combination Calibration Scan Ks-magnitude. |
Extracted Source Position Residuals With Respect to the 2MASS PSC | ||
Figure 9 - Declination residuals (PSC-deep) plotted versus declination. | Figure 10 - Declination residuals (PSC-deep) plotted versus Right Ascension. | Figure 11 - Histogram of Declination residual (PSC-deep). |
Figure 12 - Right Ascension residuals (PSC-deep) plotted versus Right Ascension. | Figure 13 - Right Ascension residuals (PSC-deep) plotted versus Declination. | Figure 14 - Histogram of Right Ascension residuals (PSC-deep). |
[Last Updated: 2006 May 17; by R. Cutri]
Back to A7.5