Astronomy and Astrophysics – Astrophysics
Scientific paper
May 1994
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994a%26a...285..716h&link_type=abstract
Astronomy and Astrophysics 285, 716-722 (1994)
Astronomy and Astrophysics
Astrophysics
17
Galaxies: Magellanic Clouds, Stars: Abundances, Stars: Early-Type, Galaxies: Abundances
Scientific paper
High-resolution echelle spectra of one main sequence B-type star and one B-type supergiant in the Bridge between the Magellanic Clouds have been obtained using the 3.9-m Anglo-Australian Telescope. These spectra have been analyzed in conjunction with IUE low-resolution observations by using ATLAS9 LTE model atmosphere techniques, to derive the stellar atmospheric parameters and photospheric chemical compositions; the latter should reflect that of the current interstellar medium within the Bridge. From a differential analysis performed relative to the Galactic B-type stars τ Sco and 67 Oph, the stars appear to have a mild helium deficiency of 0.1-0.2 dex, and a general heavy element depletion of at least -0.5 dex for one star, and as much as -1.0 dex for the other. These chemical compositions thus reflect those of SMC rather than LMC stars while the evolutionary status of these objects implies significant star formation is currently underway in the region.
Dufton Philip L.
Hambly Nigel C.
Howarth Ian D.
Irwin Mary Jane
Keenan Francis P.
No associations
LandOfFree
High-resolution spectroscopy of two young stars between the Magellanic Clouds does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with High-resolution spectroscopy of two young stars between the Magellanic Clouds, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and High-resolution spectroscopy of two young stars between the Magellanic Clouds will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-880068