1998/11/16 by B. P. Wakker, Bart P. Wakker, Wakker, B. P. +8
Engineering · Physics and Astronomy · #Astronomical Observations and Instrumentation #Astrophysical Phenomena and Observations #Astrophysics (astro-ph) #Astrophysics and Star Formation Studies #FOS: Physical sciences #Stellar, planetary, and galactic studies #astro-ph
paper · pdf · doi:10.48550/arxiv.astro-ph/9811253
5 pages; LaTeX; to be published in: Proceedings of the 3rd Stromlo Symposium, eds. B.K. Gibson, T.S. Axelrod and M.E. Putman (ASP Conf. Ser.)
arxiv created 1998/11/16 · openalex publication_date 1998/11/16 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
We present an analysis of high-resolution HI data of one of the cores of HVC187 Wakker & van Woerden 1991), HVC287+22+240. Structure is present down to the lowest-measurable scale (~1 arcmin) and several concentrations appear to be unresolved. Most of the cores seen at low resolution break up into smaller subcores at higher resolution. The typical volume density and pressure are estimated to be ~30/R/D(kpc) cm-3 and ~18000/R/D(kpc) K cm-3, respectively, where R is the resolution in arcmin and D(kpc) the unknown distance in kpc.