High-resolution stellar and interstellar spectra of HD 100340

Details High-resolution stellar and interstellar spectra of HD 100340 High-resolution stellar and interstellar spectra of HD 100340

Apr 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999mnras.304..947r&link_type=abstract

Monthly Notices of the Royal Astronomical Society, Volume 304, Issue 4, pp. 947-950.

Astronomy and Astrophysics

Astronomy

8

Stars: Distances, Stars: Early-Type, Stars: Individual: Hd 100340, Ism: Clouds, Radio Lines: Ism

Scientific paper

We present new, high-resolution, high signal-to-noise ratio, optical and 21-cm HI observations of the faint blue halo star HD 100340. A differential abundance analysis with respect to the Galactic disc star HR 2387 shows no significant peculiarities. We find that HD 100340 lies at a distance of 3 kpc, and a kinematical analysis strongly supports a `runaway star' origin. We also present improved cloud models for three intermediate velocity clouds seen in Ca II K or H I towards HD 100340.

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