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Updated: Jul 11, 2026

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Setting Limits on Supersymmetry Using Simplified Models
Published on: November 16, 2013
¿No hay agujero negro supermasivo en M33?
D Merritt1, L Ferrarese, C L Joseph
1Department of Physics and Astronomy, Rutgers University, New Brunswick, NJ 08854, USA. merritt@physics.rutgers.edu
Resumen
Los astrónomos utilizaron el espectrógrafo de imágenes del Telescopio Espacial para observar M333
Área de la Ciencia:
- * Astrofísica y cosmología.
- * Núcleos galácticos y agujeros negros supermasivos.
Sus antecedentes:
- * M33 es la tercera galaxia más brillante del Grupo Local.
- * Se espera que los agujeros negros supermasivos tengan un fuerte aumento en las velocidades estelares dentro de su radio de influencia gravitatoria.
- * Las observaciones anteriores carecían de la resolución para estudiar el núcleo de M33 en detalle.
Objetivo del estudio:
- * Para lograr una resolución sin precedentes del núcleo galáctico de M33.
- * Para investigar el perfil de velocidad estelar cerca del centro galáctico.
- * Para restringir la masa de un potencial agujero negro central en M33.
Principales métodos:
- * Utilizó el Espectrógrafo de Imágenes del Telescopio Espacial (STIS) para observaciones de alta resolución.
- * Velocidades estelares analizadas dentro de un parsec del centro de M33.
- * Comparó las velocidades observadas con los modelos de influencia del agujero negro supermasivo.
Principales resultados:
- * Se observó una disminución en las velocidades estelares aleatorias dentro de un parsec del centro de M33.
- * Implicado un límite superior de sólo 3000 masas solares para el agujero negro central.
- * Esta masa es significativamente menor (tres órdenes de magnitud) que la de otros agujeros negros supermasivos conocidos.
Conclusiones:
- * Los hallazgos desafían el modelo típico de agujero negro supermasivo en núcleos galácticos.
- * La baja masa inferida del agujero negro en M33 sugiere una formación única o vías evolutivas.
- * Se necesita más investigación para comprender la relación entre estos agujeros negros de baja masa y sus galaxias anfitrionas.
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