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
Hauptverfasser: Chang, Hsiang-Kuang, Liu, Chih-Yuan, Chen, Kuan-Ting
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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.
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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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