SIMBAD references

2003A&A...401L..13N - Astronomy and Astrophysics, volume 401L13-16 (2003/4-2)

VLT observations of the highly ionized nebula around Brey 2.

NAZE Y., RAUW G., MANFROID J., CHU Y.-H. and VREUX J.-M.

Abstract (from CDS):

We present the first high resolution HeII λ4686 images of the high excitation nebula around the WR star Brey 2 in the LMC. This nebula presents a striking morphology: a small arc-like feature some 3.6pc in radius is particularly prominent in the HeII λ4686 line. We further discover a previously unknown faint HeII emission that extends over an area of 22x17pc2. An even fainter HeII emission is apparently associated with the interstellar bubble blown by the progenitor of Brey 2. The total HeII flux corresponds to an ionizing flux of 4x1047photons/s. Hα, [OIII], and HeI λ5876 images and long-slit spectra are also examined in this letter, enabling us to investigate the detailed physical properties at various locations of the nebula.

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Journal keyword(s): stars: individual: Brey 2 - ISM: bubbles - ISM: abundances - ISM: supernova remnants

Simbad objects: 5

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