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Ground-based exploration of the outer Solar system by serendipitous stellar occultations
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Doressoundiram, A., Roques, F., Boissel, Y., Arenou, F., Dhillon, V., Littlefair, S. and Marsh, Tom (2013) Ground-based exploration of the outer Solar system by serendipitous stellar occultations. Monthly Notices of the Royal Astronomical Society, Volume 428 (Number 3). pp. 2661-2667. doi:10.1093/mnras/sts230 ISSN 0035-8711.
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Official URL: http://dx.doi.org/10.1093/mnras/sts230
Abstract
Serendipitous stellar occultation technique provides a powerful and unique tool to probe the outer Solar system matter, e.g. Kuiper disc and Oort cloud. We present the results of a serendipitous occultation observation campaign carried out with ULTRACAM, mounted on the ESO-VLT telescope, during 2005 May 17–20. The data are processed using the variability index (VI) method modified. The two-colour data set and the VI method allow searching for occulting objects in term of their distance (50, 200 and 5000 au). The analysis of ∼34 star-hours provide a working data set for assessing an instrumental approach to search for occultation events by trans-Neptunian objects. We performed recovery tests by implanting synthetic profiles in the data and defining the size of detectable objects to achieve a detection rate of 100 per cent. We propose a Fast Multi-Object Photometer (F-MOP) mounted on a 8-m class telescope and examine its performances. Such instrumental approach from the ground is able to exploit the occultation method for the exploration of the trans-Neptunian region, with a high efficiency.
| Item Type: | Journal Article | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||||||
| Journal or Publication Title: | Monthly Notices of the Royal Astronomical Society | ||||||||
| Publisher: | Oxford University Press | ||||||||
| ISSN: | 0035-8711 | ||||||||
| Official Date: | 21 January 2013 | ||||||||
| Dates: |
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| Volume: | Volume 428 | ||||||||
| Number: | Number 3 | ||||||||
| Page Range: | pp. 2661-2667 | ||||||||
| DOI: | 10.1093/mnras/sts230 | ||||||||
| Status: | Peer Reviewed | ||||||||
| Publication Status: | Published | ||||||||
| Access rights to Published version: | Restricted or Subscription Access |
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