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I just finished my Ph.D as a student working on the
Rossi X-Ray
Timing Explorer project at the Center for Space Research, under the
supervision
of Ronald Remillard and Deepto Chakrabarty. I analyzed data from a satellite
that was launched in 1996 to observe the sky in the X-ray section of the
spectrum, where the outbursts of binary star systems containing
neutron stars and black holes can be seen. For those not familiar
with X-ray astrophysics, I have placed a brief introduction here.
I am currently working as a post-doc at the MIT CSR with Fred Baganoff
and the group that developed the Advanced CCD Imagging Spectrometer aboard the
Chandra X-ray Observatory.
I am currently working on a project to catalog and identify the
X-ray sources at the center of our Galaxy. The catalog of point sources
will be published as:
Muno, M. P., Baganoff, F. K., Bautz, M. W., Ricker, G. R.,
Morris, M. R., Garmire, G. P., Feigelson, E. D., Brandt, W. N.,
Townsely, L. K., \& Broos, P. S. ``A Deep Chandra Catalog of X-ray
Point Sources toward the Galactic
Center'', submitted to the Astrophysical Journal
Also available are the
electronic catalog, and a three color
image of the inner 1/4 of the field (another version is on
APOD).
My thesis research was on Millisecond Oscillations from Thermonuclear
X-ray Bursts. A gzipped, postscript version is vainly installed
here . Several papers have come out of
this work:
Muno, M. P., Ozel, F., & Chakrabarty, D. ``The
Amplitude Evolution and Harmonic Content of Millisecond Oscillations
in Thermonuclear X-ray Bursts'',
ApJ, 581, 550, (2002)
Muno, M. P., Chakrabarty, D., Galloway, D., & Psaltis, D.
``The Frequency Stability of Millisecond Oscillations in
Thermonuclear X-ray Bursts'',
ApJ, 580, 1048, (2002)
Muno, M. P., Chakrabarty, D., Galloway, D. K., & Savov, P.,
``Millisecond Oscillations and Photospheric Radius Expansion in
Thermonuclear X-Ray Bursts'',
ApJ, 553, L157 (2001)
Muno, M. P., Fox, D. W., Morgan, E. H., & Bildsten, L.,
``Nearly Coherent Oscillations in Type I X-Ray Bursts from KS
1731-260'', ApJ, 542, 1016 (2000)
I have also studied how the X-ray emission of X-ray binaries containing
black holes and neutron stars varies on longer timescales:
Muno, M. P., Remillard, R. A., & Chakrabarty, D. ``How Do Z and
Atoll X-Ray Binaries Differ?'', ApJ, 568, L35 (2002)
Muno, M. P., Remillard, R. A., Morgan, E. H., Waltman, E. B.,
Dhawan, V., Hjellming, R. M., & Pooley, G. ``Radio Emission and
the Timing Properties of the Hard X-Ray State of GRS 1915+105'',
ApJ, 556, 515 (2001)
Muno, M. P., Morgan, E. H., & Remillard, R. A.,
``Quasi-periodic Oscillations and Spectral States in GRS 1915+105'',
ApJ, 527, 321 (1999)
The complete listing of works on which I am a co-author is available
through NASA ADS.
Finally, once when Don Smith wasn't looking, I stole his pager and found a
gamma ray burst:
Levine, A.; Morgan, E.; Muno, M., GRB 980703, IAUC 6696
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