| Apresentação/Painel: | |
| Autor: | Horácio Dottori1 |
| Rúben Diaz2 | |
| Juan Facundo Albacete-Colombo3 | |
| Damian Mast4 | |
| Instituição: | 1UFRGS - Porto Alegre | 2Gemini Observatory |
| 3CRZA, Universidad Nacional del Comahue | |
| 4Centro Astronómico Hipano Alemán; Instituto de Astrofisica de Andalucia | |
| Formato: | Painel |
| Título: | Black Hole ejected from the nucleus of the galaxy NGC 5236 |
| Resumo: | The Fanaroff-Riley II radiosource which is also an X-ray source appears projected onto the disc of the barred-spiral galaxy NGC 5236 (M 83) at about 1.2 kiloparsecs from the galaxy's optical nucleus. Its radiolobes and other two radiosources neither of which are supernovae remnants nor HII regions, are aligned with the optical nucleus of NGC 5236. Due to this peculiar on-the-sky projection, we studied through GEMINI GMOS optical spectroscopy and also reanalyzed Chandra spectroscopy carried out in 2000. We marginally detected H in emission recceding at 130 km/sec with respect to the optical nucleus. We also show that present Fe-K emission-line at a redshift. Both, H and Fe-K present redshifts compatible with the distance of NGC 5236. These findings reinforces the scenario of a local object for which could have been ejected from the nucleus of NGC 5236. |
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