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XXX.—Notice of the Orbit of the Binary Star a Centauri, as recently determined by Captain W. S. Jacob, Bombay Engineers

Published online by Cambridge University Press:  17 January 2013

Extract

The object of this short notice is merely to submit to the Society some astronomical results which were recently communicated to me in a letter from my friend Captain Jacob, as they appeared not only to be of a highly interesting nature in themselves, but imperatively to require being followed up farther, and as the observer has lately been obliged by bad health to resign his situation in India, it seemed advisable, for the purpose of procuring attention to the subject elsewhere, to make its peculiarly interesting features as generally known as possible amongst scientific men ; and as a Centauri is already in a manner identified with Scotland, through the researches of the late Professor Henderson, and his determination of the parallax, no medium can be more appropriate than the Transactions of the Royal Society of Edinburgh.

Type
Research Article
Copyright
Copyright © Royal Society of Edinburgh 1848

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References

page 446 note * β Hydri.

α Phænicis.

α Eridani.

α Columbæ.

∈ Argus.

η Argus.

α Crucis.

γ Crucis.

β Crucis.

β Centauri.

∈ Centauri.

α Trianguli Austr.

β Trianguli Austr.

α Pavonis.

α Gruis.

page 453 note * In a letter just received from Captain Jacob, he says that he thinks he has fallen on the right orbit of γ Virginis at last, having obtained one that expresses all the known observations very well, and gives a minimum distance of 0·237′.