ISOCAM observations of the very deep IRAS 60 micron sample in the NEP region

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Abstract
We present the results of ISO observations with the CAM LW3 filter, centered at m, of 94 out of the 98 galaxies comprising the complete m IRAS deep survey (IDS) sample in the north ecliptic polar region. In addition, we observed a source detected by IRAS at m and found to have particularly interesting properties. Altogether, 106 sources were detected with a signal to noise ratio and 69 with in the fields centered on the nominal positions of IRAS sources. Sixty-five detections (49 of which at ) are likely identifications of IRAS sources. Ten additional IRAS sources have possible ISOCAM counterparts. In 6 further cases, signals at the level were detected close to the IRAS position. Indications that IRAS sources might actually be multiple (source confusion) were found in 4 IDS fields. On the whole, we confirm the reality of 69 to 90% of IDS sources. Appropriate statistical corrections for the bias affecting faint flux estimates were applied to ISOCAM data. Ten serendipitous sources were detected at , with mJy. The corresponding areal density is consistent with that found in previous surveys. Finding charts for all observed fields are given.

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