Variable dust formation by the double-line spectroscopic binary WR 70 (HD 137603, WC9vd+B0I)

Variable dust formation by the double-line spectroscopic binary WR 70 (HD 137603, WC9vd+B0I)

Infrared photometry of the WC9vd+B0I spectroscopic binary WR 70 over two decades shows variable dust emission. The variations are relatively slow and show evidence for an underlying process with a period P = 1045 ± 60 d, together with modulation on shorter and longer time-scales.

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Veröffentlicht in:Symposium - International Astronomical Union 2003, Vol.212, p.261-262
Hauptverfasser: Williams, Peredur M., van der Hucht, Karel A., Marang, Fred
Format: Artikel
Sprache:eng
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Zusammenfassung:Infrared photometry of the WC9vd+B0I spectroscopic binary WR 70 over two decades shows variable dust emission. The variations are relatively slow and show evidence for an underlying process with a period P = 1045 ± 60 d, together with modulation on shorter and longer time-scales.
ISSN:0074-1809
DOI:10.1017/S0074180900212308