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Detección de la emisión de CN de (2060) Quirón
Science (New York, N.Y.)
|February 15, 1991
Resumen
El cometa más grande conocido, (2060) Quirón, muestra signos de actividad cometaria con la detección de especies de gases neutros. Esta remota emisión de gases sugiere que las explosiones de dióxido de carbono de pequeñas áreas de superficie pueden impulsar su actividad.
Área de la Ciencia:
- La astronomía y la astrofísica.
- Ciencias planetarias Ciencias planetarias.
- Ciencia de los Cometas Ciencia de los Cometas
Sus antecedentes:
- (2060) Quirón fue considerado históricamente un asteroide entre Saturno y Urano.
- El entendimiento actual reclasifica a Quirón como el cometa más grande conocido.
- Su naturaleza física ha sufrido una reevaluación significativa en la última década.
Objetivo del estudio:
- Para investigar la naturaleza física y la actividad de (2060) Quirón.
- Detectar y analizar las emisiones de Quirón para confirmar su clasificación como cometa.
- Comprender los mecanismos que impulsan la actividad cometaria a grandes distancias heliocéntricas.
Principales métodos:
- Análisis espectroscópico de (2060) Quirón.
- Detección de líneas de emisión específicas en su espectro.
- Medición de la distancia heliocéntrica durante las observaciones.
Principales resultados:
- Detección de la emisión de cianuro (CN) en el espectro de Quirón.
- Esta emisión se observó a una distancia heliocéntrica mayor que 11 unidades astronómicas.
- Esto representa la detección más distante de una especie de gas neutro cometario común.
Conclusiones:
- La emisión CN observada confirma el carácter cometario de (2060) Quirón.
- Es probable que la desgasificación sea impulsada por estallidos aislados de dióxido de carbono (CO2) de áreas superficiales limitadas.
- Estos estallidos pueden indicar inhomogeneidades de composición primordial en Quirón.
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