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FAUST observations in the Fourth Galactic Quadrant*
We analyse UV observations with FAUST of four sky fields in the generaldirection of the Fourth Galactic Quadrant, in which we detect 777 UVsources. This is ~50 per cent more than detected originally by Bowyer etal. We discuss the source detection process and the identification of UVsources with optical counterparts. For the first time in this project weuse ground-based objective-prism information for two of the fields, toselect the best-matching optical objects with which to identify the UVsources. Using this, and correlations with existing catalogues, wepresent reliable identifications for ~75 per cent of the sources. Mostof the remaining sources have assigned optical counterparts but, lackingadditional information, we offer only plausible identifications. Wediscuss the types of objects found, and compare the observed populationwith predictions of our UV Galaxy model.
| A catalog of far-ultraviolet point sources detected with the fast FAUST Telescope on ATLAS-1
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| Interstellar reddening in the Southern Hemisphere. I - The UVBY beta observations
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Osservazione e dati astrometrici
| Costellazione: | Telescopio |
| Ascensione retta: | 20h26m38.33s |
| Declinazione: | -47°57'42.2" |
| Magnitudine apparente: | 8.385 |
| Distanza: | 140.252 parsec |
| Moto proprio RA: | 28.9 |
| Moto proprio Dec: | -16.8 |
| B-T magnitude: | 8.709 |
| V-T magnitude: | 8.412 |
Cataloghi e designazioni:
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