Miroslav D. Filipovi\'c , Paul A. Jones , Graeme L. White , Raymond F. Haynes, PASA, 15 (1), 128
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Radio to H Comparison of the Sources towards the Large Magellanic Cloud
The comparison of the radio and H surveys resulted in the discovery of 180 sources common to both surveys. The basic criterion for positive source identification is that a source must lie within 2.5'á of its counterpart. Using the common area of the radio and H surveys and the search criterion we expect not more than six sources to have positional coincidence by chance alignment. The most accurate radio positions available are from the highest radio-frequency survey on which the source appears. These positions were compared with H positions listed in Kennicutt & Hodge (1986).
Positional comparisons were undertaken for all 180 sources common to the radio and H surveys of the LMC. The mean difference in RA is 17"5"á (radio-H) with a standard deviation (SD) of 52". The difference in Dec is 7"5"á (SD=50"). This uncertainty is consistent with the combined positional uncertainties for the radio (defined in Paperá IV) and the H sources, and retrospectively justifies the initial identification criteria of 2.5'á (which is equivalent to 2.8 in both RA and Dec).
Next Section: Radio to H Comparison Title/Abstract Page: A Comparison of Discrete Previous Section: Discrete Sources towards the | Contents Page: Volume 15, Number 1 |
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