Very low-luminosity Class I/flat outflow sources in sigma Orionis

Basmah Riaz, M.A. Thompson, E.T. Whelan, N. Lodieu

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We present an optical to submillimetre multiwavelength study of two very low-luminosity Class I/flat systems, Mayrit 1701117 and Mayrit 1082188, in the σ Orionis cluster. We performed moderate-resolution (R ∼ 1000) optical (∼0.4–0.9 μm) spectroscopy with the Cassegrain Twin Spectrograph (TWIN) spectrograph at the Calar Alto 3.5-m telescope. The spectra for both sources show prominent emission in accretion- and outflow-associated lines
Original languageEnglish
Pages (from-to)2550-2559
JournalMonthly Notices of the Royal Astronomical Society
Issue number3
Publication statusPublished - 21 Jan 2015


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