Search: Herschel, John in correspondent 
Rigaud, Stephen Peter in correspondent 
1830-1839::1831 in date 
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Herschel8713

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

Herschel2094

From:
Stephen Peter Rigaud
To:
Sir John Herschel
Date:
[13 April 1831]
Source of text:
RS:HS 14.343
Summary:

Received packet from JH. Will attend meeting at Greenwich in June. Describes [James] Bradley's observations of stars in Gamma Virginis.

Contributor:
John Herschel Project

Herschel8714

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
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