Astronomy and Astrophysics – Astronomy
Scientific paper
May 2000
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000aas...196.2701d&link_type=abstract
American Astronomical Society, 196th AAS Meeting, #27.01; Bulletin of the American Astronomical Society, Vol. 32, p.714
Astronomy and Astrophysics
Astronomy
Scientific paper
UV observations of 4 stars in the Carina Nebula region have been obtained with STIS at a resolution of R ~ 110,000. All four stars demonstrate numerous high velocity components extending over ranges ~ +/- 200 km/sec. In particular two observations of the star CPD -59 2603 have been obtained 22 months apart and demonstrate substantial variations in the intensities of the high velocity components of Mg II 2796.35, 2803.53 and Mg I 2852.96 lines. The origin of the variations is discussed. Furthermore, there is a marked similarity in the shape of the absorption features with those seen in narrow-lines QSO systems, which may shed light on the origin of these features. This work was supported by NASA through the STIS GTO funding.
Danks Anthony C.
Gales Joel M.
García Beatriz
Hulbert Stephen J.
Landsman Wayne B.
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