| RefNo | HS/17/418 |
| Level | Item |
| Title | Letter, from [A. J. F.] Yvon Villarceau to Sir John Herschel, dated at Paris |
| Creator | Villarceau; Antoine-Joseph Yvon (1813-1883); French astronomer; mathematician; engineer |
| Date | 1 April 1849 |
| Description | Autograph letter signed by sender. Asks for John Frederick William Herschel's comments on Yvon Villarceau's specific double star observations. Yvon Villarceau presents the mathematical method he uses to calculate double star orbits, which he had presented to the Paris Academie in 1847, but it was not published. |
| Language | French |
| Extent | 5pp |
| Format | Manuscript |
| Place origin | Paris, France |
| Origin coordinates | 48.856667, 2.352222 |
| Digital images | View item on Science in the Making |
| AccessStatus | Open |
| URLDescription | Also available on Epsilon |
| URL | https://epsilon.ac.uk/view/herschel/letters/Herschel13606
|
Fellows associated with this archive
| Code | PersonName | Dates |
| NA8238 | Herschel; Sir; John Frederick William (1792 - 1871); astronomer | 1792 - 1871 |