| RefNo | AP/25/22 |
| Level | Item |
| Title | Unpublished letter, 'On a new method of computing the perturbations of planets where eccentricities and inclinations are not small' from Professor [Peter Andreas] Hansen to G B [George Biddell] Airy |
| Date | 14 December 1842 |
| Description | Copy of a letter in which Hansen provides a mathematical method for computing the perturbations of planets of large eccentricities and inclinations, calculating the perturbations of the comet of Encke produced by Saturn to illustrate his method.
Subject: Astronomy
Received 28 December 1842. Communicated by Airy.
Original letter written by Hansen in Gotha [Germany].
A translation of this letter was published by Airy in The Monthly Notices of the Royal Astronomical Society: Airy, G.B. 'Translation of a Letter from Professor Hansen to G. B. Airy, Esq. the Astronomer Royal, on a New Method of Computing the Perturbations of Planets, whose Eccentricities and Inclinations are not small.' The Monthly Notices of the Royal Astronomical Society, volume 5, number 27 (1843), pp. 227-229. |
| Language | French |
| Extent | 4p |
| Format | Manuscript |
| PhysicalDescription | Ink on paper |
| AccessStatus | Open |
Fellows associated with this archive
| Code | PersonName | Dates |
| NA5990 | Hansen; Peter Andreas (1795 - 1874) | 1795 - 1874 |
| NA8035 | Airy; Sir; George Biddell (1801 - 1892); astronomer and mathematician | 1801 - 1892 |