| RefNo | HS/25/2/14 |
| Level | Item |
| Title | Copy letter, from Sir John Herschel to Stephen Peter Rigaud, dated at Slough |
| Creator | John Frederick William Herschel |
| Recipient | Stephen Peter Rigaud |
| Date | 15 August 1831 |
| Description | Copy letter in John Herschel's hand. Has correlated James Bradley's observations of the Castor and the Gamma Virginis double stars systems, which observations Stephen Rigaud sent to John Frederick William Herschel, with later observations. Agreement is excellent. John Frederick William Herschel lays out elements of orbits for each system. |
| Language | English |
| Extent | 3pp |
| Format | Manuscript |
| Place origin | Slough, Berkshire |
| Origin coordinates | 51.5082, -0.5954 |
| Digital images | View item on Science in the Making |
| AccessStatus | Open |
| RelatedMaterial | Original available: Bodleian Library, Oxford |
| URLDescription | Also available on Epsilon |
| URL | https://epsilon.ac.uk/view/herschel/letters/Herschel8714
|
Fellows associated with this archive
| Code | PersonName | Dates |
| NA8238 | Herschel; Sir; John Frederick William (1792 - 1871); mathematician and astronomer | 1792 - 1871 |
| NA1263 | Rigaud; Stephen Peter (1774 - 1839); astronomer | 1774 - 1839 |