Dimension of the Fixed Stars: With Special Reference to Binaries and Variables of the Algol Type (Classic Reprint) - Rilegato

Pickering, Edward Charles

Rilegato

ISBN 10: 0265911907 ISBN 13: 9780265911907

Casa editrice: Forgotten Books, 2018

Riassunto

Excerpt from Dimension of the Fixed Stars: With Special Reference to Binaries and Variables of the Algol Type

Since direct measurements cannot at present be made of the disks of the fixed stars, any information with regard to their dimensions de rived from the amount and character of their light will have a value. This is the course ordinarily taken in the case of a satellite or small planet, and appears to deserve a more extended trial beyond the limits of the solar system than it has yet received. The principal objection to this method is the uncertainty in the numerical value of the intrinsic brightness or other constants involved, which cannot at present be measured with accuracy. The exact formulae will there fore be first given, and hypotheses then introduced regarding the values of these constants.

Let B, b the diameters of the Sun and of any given star, as seen from the Earth, expressed in seconds of arc.

Let I: the intrinsic brightness of the star, that of the sun being taken as unity; in other words, let 1 denote the ratio borne by the quantity of light emitted by the star to that emitted by the Sun from the same superficial area.

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Dettagli dell'edizione

• Editore: Forgotten Books
• Data di pubblicazione: 2018
• Lingua: Inglese
• ISBN 10: 0265911907
• ISBN 13: 9780265911907
• Rilegatura: Copertina rigida
• Numero di pagine: 46
• Contatto del produttore: non disponibile
• Persona responsabile: Bärenreiter-Verlag Karl Vötterle GmbH & Co. KG; bscheuch@baerenreiter.com; ; Heinrich-Schütz-Allee 35-37; Kassel; Germania; 34131; Germania