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Determinación fotométrica del tipo espectral de la componente desconocida de una estrella binaria eclipsante

Authors: Vives, Teodoro J.;

Determinación fotométrica del tipo espectral de la componente desconocida de una estrella binaria eclipsante

Abstract

En el presente trabajo se expone un método fotométrico para determinar el tipo espectral y clase de luminosidad de la componente desconocida de una estrella binaria eclipsante. En esta clase de binarias, al igual que en las espectroscópicas en general, son una pequeña minoría aquellas en las que es observable el espectro de la componente secundaria. Por otra parte, la determinación indirecta del espectro de la secundaria, a partir de la resolución fotométrica del sistema, exige curvas de luz muy precisas y resulta laboriosa y poco segura. Como consecuencia, son pocas de hecho las eclipsantes con componente secundaria conocida. Un método fotométrico que permita determinar el espectro de esa componente, suponiendo conocido el de la otra, es consiguientemente de gran interés. El método descrito en las páginas siguientes se basa en medidas fotométricas efectuadas en varias bandas. Se ha considerado necesario fundamentar con precisión las ecuaciones empleadas, introduciendo, con el mayor rigor y brevedad que ha sido posible, las relaciones fotométricas básicas. En la sección 2 hemos establecido tales relaciones fundamentales.

Publicado en la Revista de la Real Academia de Ciencias, Tomo LXX, cuaderno 4º.

Peer reviewed

Keywords

Astronomía, Astrofísica, Fotometría, Estrellas, Sistemas binarios eclipsantes

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selected citations
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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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