Millisecond dips in the 2007-09 RXTE/PCA light curve of Sco X-1 and one possible occultation event
Serendipitous stellar occultation search is so far the only way to detect the existence of very small, very dim, remote objects in the Solar system. To date, however, there are only very few reported detections for trans-Neptunian objects (TNOs) in optical bands. In the X-ray band, with the RXTE/PCA...
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Veröffentlicht in: | Monthly notices of the Royal Astronomical Society 2011-02, Vol.411 (1), p.427-434 |
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creator | Chang, Hsiang-Kuang Liu, Chih-Yuan Chen, Kuan-Ting |
description | Serendipitous stellar occultation search is so far the only way to detect the existence of very small, very dim, remote objects in the Solar system. To date, however, there are only very few reported detections for trans-Neptunian objects (TNOs) in optical bands. In the X-ray band, with the RXTE/PCA data of Sco X-1 taken from 2007 June to 2009 October, we found one possible X-ray occultation event. We discuss the veracity and properties of this event, and suggest upper limits to the size distribution of TNOs at hectometre size and of main-belt asteroids at decametre size. |
doi_str_mv | 10.1111/j.1365-2966.2010.17694.x |
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subjects | asteroids: general Astronomy Dipping Earth, ocean, space Exact sciences and technology Kuiper belt: general Light curve minor planets minor planets, asteroids: general Occultation Planets planets and satellites: formation Solar system stars: neutron X-ray astronomy X-rays: binaries |
title | Millisecond dips in the 2007-09 RXTE/PCA light curve of Sco X-1 and one possible occultation event |
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