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