Michel BREGER (Ed.)


Communications in Asteroseismology
Volume 141

January, 2002












ISBN 978-3-7001-3002-4
Print Edition
ISBN 978-3-7001-3971-3
Online Edition
doi:10.1553/cia141 
2002,  84 Seiten, 23x15 cm, broschiert
€  9,99   
Open access

Michel Breger
ist Obmann der Kommission für Astronomie der ÖAW
und
Professor für Astronomie an der Universität Wien

 


The satellite photometry of the _ Scuti star 0² Tau obtained with the Wide- Field Infrared Explorer (WIRE) led to the detection of 12 frequencies of pulsation (Poretti et al. 2002). We examine the available ground-based photometry in the literature to check whether these frequencies are also present. The re-analysis of the 1986 Delta Scuti Network data leads to 10 statistically significant frequencies (amplitude signal/noise ratio greater than 4.0). 9 of these 10 frequencies are in excellent agreement with those detected from space, while the 10th frequency is seen as a peak in the WIRE residuals, though not at a statistically significant level. Previous reports on amplitude variability are confirmed.

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Communications in Asteroseismology Volume 141


ISBN 978-3-7001-3002-4
Print Edition
ISBN 978-3-7001-3971-3
Online Edition


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  Online Edition   Table of Contents 
Michel BREGER (Ed.)


Communications in Asteroseismology
Volume 141

January, 2002












ISBN 978-3-7001-3002-4
Print Edition
ISBN 978-3-7001-3971-3
Online Edition
doi:10.1553/cia141 
2002,  84 Seiten, 23x15 cm, broschiert
€  9,99   
Open access

Michel Breger
ist Obmann der Kommission für Astronomie der ÖAW
und
Professor für Astronomie an der Universität Wien

 


The satellite photometry of the _ Scuti star 0² Tau obtained with the Wide- Field Infrared Explorer (WIRE) led to the detection of 12 frequencies of pulsation (Poretti et al. 2002). We examine the available ground-based photometry in the literature to check whether these frequencies are also present. The re-analysis of the 1986 Delta Scuti Network data leads to 10 statistically significant frequencies (amplitude signal/noise ratio greater than 4.0). 9 of these 10 frequencies are in excellent agreement with those detected from space, while the 10th frequency is seen as a peak in the WIRE residuals, though not at a statistically significant level. Previous reports on amplitude variability are confirmed.



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Verlag der Österreichischen Akademie der Wissenschaften
Austrian Academy of Sciences Press
A-1011 Wien, Dr. Ignaz Seipel-Platz 2
Tel. +43-1-515 81/DW 3402-3406, +43-1-512 9050, Fax +43-1-515 81/DW 3400
http://verlag.oeaw.ac.at, e-mail: verlag@oeaw.ac.at