Free Access
Table 1
VMC survey parameters.
| Filter | Y | J | K s | Filter | Y | J | K s |
|
|
|||||||
| Central wavelength (μm) | 1.02 | 1.25 | 2.15 | Exposure time per epoch (s) | 800 | 800 | 750 |
| Bandwidth (μm) | 0.10 | 0.18 | 0.30 | Number of epochs | 3 | 3 | 12 |
| Detector Integration Time – DIT (s) | 20 | 10 | 5 | Total exposure time (s) | 2400 | 2400 | 9000 |
| Number of DITs | 4 | 8 | 15 | Predicted sensitivity per epoch (Vega mag) | 21.3 | 20.8 | 18.9 |
| Number of exposures | 1 | 1 | 1 | Signal-to-noise per epoch at depth required | 5.7 | 5.9 | 2.9 |
| Micro-stepping | 1 | 1 | 1 | Total predicted sensitivity (Vega mag) | 21.9 | 21.4 | 20.3 |
| Number of Jitters | 5 | 5 | 5 | Total signal-to-noise at depth required | 10 | 10 | 10 |
| Paw-prints in tile | 6 | 6 | 6 | Saturation limit (Vega mag) | 12.9 | 12.7 | 11.4 |
| Pixel size (arcsec) | 0.339 | 0.339 | 0.339 | Area (deg2) | 184 | 184 | 184 |
| System FWHM | 0.51 | 0.51 | 0.51 | Number of tiles | 110 | 110 | 110 |
Notes. Jitter pattern = Jitter5n. Tile pattern = Tile6zz.
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.