Temporal variations of the absolute magnitude of Halley's comet
Open Access
- 1 October 1983
- journal article
- Published by Oxford University Press (OUP) in Monthly Notices of the Royal Astronomical Society
- Vol. 204 (4) , 1291-1295
- https://doi.org/10.1093/mnras/204.4.1291
Abstract
The variation of the absolute magnitude H0 of Halley's comet, 1910II, as a function of the apparition number, A, (1910 ≡ −1) is given by $$H_0=(6.028\pm0.329)+(0.0205\pm 0.0210)A$$. The comet was about 0.5 ± 0.5 mag brighter 2000 years ago and is losing about 2.3 ± 2.3 per cent of its mass at each apparition.