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==== UCAC4 ==== | ==== UCAC4 ==== | ||
− | Selecting sources with proper (non-null | + | Selecting sources with proper (i.e. non-null and well-defined) |
* id | * id | ||
* ra,dec | * ra,dec | ||
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* id_2mass, Jmag, err_Jmag, Hmag, err_Hmag, Kmag, err_Kmag | * id_2mass, Jmag, err_Jmag, Hmag, err_Hmag, Kmag, err_Kmag | ||
Output: | Output: | ||
− | * Total number of such sources: '''79 | + | * Total number of such sources: '''79,607,988''' |
+ | * Homogeneity: seems to be homogeneous between '''8.6''' and '''15.8''' mags. | ||
+ | * Number of sources fainter than 15.8 quickly drops, the faintest source listed here is 16.4 | ||
+ | * The catalogue seems to be complete for sources between '''7.5''' and '''15.8''' mags. | ||
+ | * Sources brighter than '''7.5''' and '''8.6''' are likely to be saturated. |
Set up some kind of "TIC2" catalogue, i.e. targets of interest in terms of full-frame quick look analysis. This catalogue needs to be
Candidates: USNO, UCAC, 2MASS... any more hints? Note: GAIA-DR1 is not full-sky, some stripes are missing (however, GAIA is perfect for FF astrometry)
Selecting sources with proper (i.e. non-null and well-defined)
Output: