Stellar occultations by two comets: IRAS-Araki-Alcock (1983d) and P/IRAS (1983j) |
| |
| Authors: | J Lecacheux W Thuillot T Encrenaz P Laques D Rouan R Despiau |
| |
| Institution: | 1. Observatoire de Paris-Meudon, 92195 Meudon Principal Cedex, France;2. Bureau des Longitudes, 77, Av. Denfert-Rochereau, 75014 Paris, France;3. Observatoire du Pic du Midi et de Toulouse, 65200 Bagneres de Bigorre, France |
| |
| Abstract: | A stellar appulse of comet 1983d was observed in 1983 May 08.956 using a video photometry technique. Although the miss distance did not exceed 420 ± 50 km no significant absorption was detected. Another close appulse, of comet 1983j this time, was measured with a photoelectric photometer on 1983 September 14.036. A small feature of the lightcurve, only 1.8% deep, could be attributed to dust surrounding the nucleus within a 350-km radius. The deduced dust ejection rate is 6 × 106 g/sec. |
| |
| Keywords: | |
| 本文献已被 ScienceDirect 等数据库收录！ |
|
