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How Do Massive Stars Enrich the Interstellar Medium
Darren McKinnonon 16 October 2013
Transcript of How Do Massive Stars Enrich the Interstellar Medium
Theodore R. Gull - 1
Thomas I. Madura - 1, 3
Michael F. Corcoran - 4, 5
Mairan Teodoro - 1, 2
1 Astrophysics Science Division, Code 667, NASA GSFC, Greenbelt MD 20771, USA
2 CNPq / Science without Borders Fellow
3 NASA Postdoctroal Program Fellow
4 CRESST and Xray Astrophysics Labratory, Code 662, NASA GSFC, Greenbelt, MD 20771, USA
5 Universities Space Research Association, 10211 Wincopin Circle, Suite 500 Columbia, MD 21044, USA
6 Department of Physics, University of Maryland, Baltimore County, 1000 Hilltop Circle, Baltimore, MD 21250, USA
7 NASA Educational Opportunities
SPS Summer Internship 2013
Utah State University
A Study of
as told in three parts...
What we're studying.
How we're studying it.
Where we are now.
Let's start with an overview...
Mentor: Theodore R. Gull - NASA Goddard
A Little History...
Around 1840, Eta Car had a bit of a
Then it had a smaller one around 1890.
Eta Carinae is...
Emission Lines, Spectra, and Datacubes
a massive interacting wind binary system.
Total system mass is more that 130x
the mass of the sun.
more luminous than the sun.
Space Telescope Imaging Spectrograph
Hubble Space Telescope
We've collected a number of datacubes
What Do We Think Is Happening?
Carina Nebula - Visible Light :: ESO. Acknowledgement: VPHAS+ Consortium/Cambridge Astronomical Survey Unit
Carina Nebula Composite ::
Credit for Hubble Image: NASA, ESA, N. Smith (University of California, Berkeley), and The Hubble Heritage Team (STScI/AURA)
Credit for CTIO Image: N. Smith (University of California, Berkeley) and NOAO/AURA/NSF
So... how do we know this?
What did YOU do?
Where we are, and where we're going...
The Question on Your Mind:
My Main Focuses
50 light years
Principle Component Analysis (PCA)
Kenji Hamaguchi - 4, 6
Lucy McFadden - 7
Mablelene Burrell - 7
SPS Summer Internship Staff