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Infrared emission regions in the interacting galaxy system ARP 299
Infrared imagery and photometry of the interacting galaxy system Arp 299are presented. In the central region of NGC 3690 there are two 2.2micron sources; one of these (component B2) coincides with the apparentvisible nucleus, while the other (component B1) coincides with the 6 cmand 10 micron sources. No evidence at 2.2 micron is seen for a compactAGN in IC 694 (component A). Approximately 75 percent of the 12-25micron power from Arp 299 comes from three regions each smaller than 600pc in diameter centered on components A, B1, and C, making thedistribution of mid-infrared emission more concentrated than thedistribution of starlight.
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Osservazione e dati astrometrici
| Costellazione: | Orsa Maggiore |
| Ascensione retta: | 11h27m41.49s |
| Declinazione: | +58°42'07.9" |
| Magnitudine apparente: | 8.717 |
| Distanza: | 240.385 parsec |
| Moto proprio RA: | -14.6 |
| Moto proprio Dec: | 0.5 |
| B-T magnitude: | 9.857 |
| V-T magnitude: | 8.812 |
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