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Movimiento orbital en la radiogalaxia 3C 66B: evidencia de un agujero negro supermasivo binario
Hiroshi Sudou1, Satoru Iguchi, Yasuhiro Murata
1Astronomical Institute, Graduate School of Science, Tohoku University, Sendai 980-8578, Japan. sudou@cc.gifu-u.ac.jp
Science (New York, N.Y.)
|May 24, 2003
Resumen
Los astrónomos detectaron directamente un binario de agujero negro supermasivo en la radiogalaxia 3C 66B. Las observaciones revelaron movimientos elípticos en la galaxia.
Área de la Ciencia:
- La astrofísica es la astrofísica.
- La radioastronomía es una radioastronomía.
Sus antecedentes:
- Se teoriza que los binarios de agujeros negros supermasivos se forman en núcleos galácticos activos.
- Las fusiones galácticas pueden conducir a la formación de estos sistemas binarios.
Objetivo del estudio:
- Para proporcionar evidencia observacional directa de un binario de agujero negro supermasivo.
Principales métodos:
- Utilizó el interferómetro de línea de base muy larga (VLBI) para imágenes de alta resolución.
- Observó la radiogalaxia 3C 66B en las frecuencias de radio.
Principales resultados:
- Detección directa de un binario de agujero negro supermasivo en 3C 66B.
- El núcleo de radio no resuelto exhibió movimientos elípticos bien definidos.
- Se determinó un período de 1,05 +/- 0,03 años para estos movimientos.
Conclusiones:
- Los movimientos observados proporcionan evidencia concluyente de un binario de agujero negro supermasivo.
- Confirma la existencia de tales sistemas binarios en los núcleos galácticos activos.
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