Optical and Near-IR Observations of the B[e] Star AS 119

Details Optical and Near-IR Observations of the B[e] Star AS 119 Optical and Near-IR Observations of the B[e] Star AS 119

Dec 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aspc..355..347m&link_type=abstract

Stars with the B[e] Phenomenon. ASP Conference Series, Vol. 355, Proceedings of the Conference Held 10-16 July, 2005, at the Isl

Astronomy and Astrophysics

Astronomy

3

Scientific paper

AS 119 is a poorly-studied emission-line object with a large IR excess. Optical spectrophotometry by suggests that it is a B3 IVe star, while its strong Balmer lines and IR spectral energy distribution (SED) allow us to classify AS 119 as a B[e] star with warm dust (B[e]WD). We present the first high-resolution optical and low-resolution near-IR spectroscopy and multicolor optical photometry of the object. The optical spectrum is dominated by emission [Fe II] lines, which are stronger than Fe II lines and whose radial velocities (RV) are different from those of the photospheric lines. Such a behavior may be due to the object's binary nature, but no traces of the secondary have been found in our spectra.

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