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Rigaud, Stephen Peter in addressee 
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From:
Sir John Herschel
To:
Stephen Peter Rigaud
Date:
[8 April 1831]
Source of text:
Bodleian Library, Oxford (ACCS: RS:HS 25.2.2)
Summary:

Has now studied James Bradley's observations of the Castor double star system and found them very valuable. Please send Bradley's observations regarding Gamma Virginis. What is best method of returning Bradley's observations to SR?

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Stephen Peter Rigaud
Date:
[15 August 1831]
Source of text:
Bodleian Library, Oxford (ACCS: RS:HS 25.2.14)
Summary:

Has correlated James Bradley's observations of the Castor and the Gamma Virginis double stars systems, which observations SR sent to JH, with later observations. Agreement is excellent. JH lays out elements of orbits for each system.

Contributor:
John Herschel Project