| Issue |
EAS Publications Series
Volume 4, 2002
Infrared and Submillimeter Space Astronomy: An International Colloquium to Honor the Memory of Guy Serra
|
|
|---|---|---|
| Page(s) | 363 - 363 | |
| Section | Posters | |
| DOI | https://doi.org/10.1051/eas:2002102 | |
| Published online | 25 September 2002 | |
Infrared and Submillimeter Space Astronomy: An International Colloquium to Honor the Memory of Guy Serra
M. Giard, J.P. Bernard, A. Klotz and I. Ristorcelli (eds)
EAS Publications Series, 4 (2002) 363
M. Giard, J.P. Bernard, A. Klotz and I. Ristorcelli (eds)
EAS Publications Series, 4 (2002) 363
Dust destruction and intermittent star formation history in blue compact dwarf galaxies
1
Osservatorio Astrofisico di Arcetri, Largo
E. Fermi 5, 50125 Firenze, Italy
2
Department of Astronomy, Kyoto
University, Sakyo-ku, Kyoto 606-8502, Japan
We investigate the origin of the variance in dust-to-gas ratio, D, among blue compact dwarf galaxies (BCDs), finding that the observed variance can be reproduced by two effects: (i) variation of gas mass contained in star-forming region; (ii) the contribution of type Ia SNe to total SN rate. The two effects are found to affect largely D when the metallicity reaches the typical value for BCDs. The two effects can be caused by intermittent star formation activity in BCDs.
© EAS, EDP Sciences, 2002