Previous abstract Next abstract

Session 76 - Star Formation in Galaxies.
Display session, Friday, January 09
Exhibit Hall,

[76.15] H\alpha Imaging of Early-type(Sa-Sab) Spiral Galaxies

S. Hameed, N. Devereux (New Mexico State U.)

H\alpha imaging of Early-type (Sa-Sab) Spirals

A recent analysis of the IRAS database indicates that the massive star formation rates in early-type(Sa-Sab) spirals are comparable to the massive star formation rates in late-type spirals. We are conducting an H\alpha imaging survey of a complete sample of nearby (D \le 40Mpc), bright (m(B) \le 12.1), early-type spirals to confirm the results obtained by IRAS.

Our preliminary results indicate that a majority of these galaxies show either signs of interaction, and/or host nuclear starbursts. The occurence of nuclear starbursts in early-type spirals may be related to the propensity for such galaxies to also host Seyfert nuclei. The evidence for interactions suggests that early-type spirals are evolving in the current epoch.

If you would like more information about this abstract, please follow the link to This link was provided by the author. When you follow it, you will leave the the Web space for this meeting; to return, you should use the Back button on your browser.

Program listing for Friday