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25 April 2024

» arxiv » astro-ph/9907176

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Radio Detections of Stellar Winds from the Pistol Star and Other Stars in the Galactic Center Quintuplet Cluster
Cornelia C. Lang ; Don F. Figer ; W.M. Goss ; & Mark Morris ;
Date:	13 Jul 1999
Subject:	astro-ph
Abstract:	VLA images of the Sickle and Pistol H II regions near the Galactic center at 3.6 and 6 cm reveal six point sources in the region where the dense Quintuplet stellar cluster is located. The spectral indices of five of these sources between 6 cm and 3.6 cm have values of alpha = +0.5 to +0.8, consistent with the interpretation that the radio sources correspond to ionized stellar winds of the massive stars in this cluster. The radio source associated with the Pistol Star shows alpha = -0.4 +/- 0.2, consistent with a flat or slightly non-thermal spectrum.
Source:	arXiv, astro-ph/9907176
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