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Dr. Alan P. Smale


Astrophysics Science Division
NASA/GSFC
Code 660.1, HEASARC Office
Greenbelt, MD 20771

tel: (301) 286-2602
fax: (301) 286-1684
e-mail: alan.smale@nasa.gov


Present Position

HEASARC Director, Astrophysics Science Division, NASA Goddard Space Flight Center.

Brief Bio

2003-2008: Program Executive for Mission Operations and Data Analysis (MO&DA) for the Astrophysics Division, Science Mission Directorate, NASA HQ, managing an extensive and scientifically diverse portfolio of astrophysics missions including Chandra, Spitzer, Gravity Probe-B, GALEX, INTEGRAL, RXTE, Suzaku, Swift, WMAP, and XMM-Newton. Also served as Program Scientist for RXTE, Discipline Scientist for High Energy Astrophysics, and Deputy Public Affairs Liaison for the Astrophysics Division.

1988-2003: Senior Research Scientist, Universities Space Research Association, at the Laboratory for High Energy Astrophysics, NASA/GSFC. Managed the Rossi X-ray Timing Explorer Guest Observer Facility (1994-2003) and Swift Science Center (1998-2003), with additional management, data analysis, software design and computer programming experience with the BBXRT, ROSAT, ASCA, and HEASARC projects. Co-investigator on the Swift mission.

1985-1988: Postdoctoral Research Associate at the Mullard Space Science Laboratory, University College London, U.K., conducting research in X-ray and optical astronomy.

Educational Background

1986 – D.Phil., Astrophysics, University of Oxford, U.K. Thesis title: “Variability in Stellar X-ray Sources”

1982 – B.A., Physics, University of Oxford, U.K.

Research Interests

X-ray astrophysics: variability in X-ray binaries, spectroscopy and timing studies of Galactic black hole candidates, pulsars, bursting and dipping sources, and Active Galactic Nuclei. Co-author (with Strohmayer) on the discovery of kilohertz QPOs from neutron star binaries. PI on successful guest observer programs on a wide range of orbiting observatories (EXOSAT, ROSAT, Ginga, ASCA, RXTE. and Chandra) and international ground-based optical and radio facilities (AAT, CTIO, LPO, SAAO, VLA). Committed to education and public outreach through the combination of science and music, generally outside working hours.

Member, American Astronomical Society
Fellow, Royal Astronomical Society
Member, International Astronomical Union

Current Projects

Various new programmatic initiatives within the HEASARC.

After a five year research hiatus, currently initiating (and joining) a variety of data analysis projects for the temporal and spectroscopic study of X-ray binaries in the Milky Way and other normal galaxies.

Selected Publications

[102.] “The short gamma-ray burst apparently associated with an elliptical galaxy at redshift z=0.225,” Gehrels, N., et al. (including Smale, A.P.), 2005, Nature, 437, 851.

[98.] “The Swift Gamma Ray Burst Mission,” Gehrels, N., et al. (including Smale, A.P.), 2004, ApJ, 611, 1005.

[94.] "The complete Z-diagram of LMC X-2," Smale, A.P., Homan, J., & Kuulkers, E., 2003, ApJ, 590, 1035.

[93.] "Dip spectroscopy of the low mass X-ray binary XB1254-690," Smale, A.P., Church, M.J., & Balucinska-Church, M., 2002, ApJ, 581, 1286.

[91.] “A second intense burst with photospheric radius expansion from X2127+119 in M15," Smale, A.P., 2001, ApJ, 562, 957.

[84.] “The ephemeris and dipping spectral behavior of X1624-490," Smale, A.P., Church, M.J., & Balucinska-Church, M., 2001, ApJ, 550, 962.

[81.] “Canonical timing and spectral behavior of LMC X-3 in the low/hard state," Boyd, P.T., Smale, A.P., Homan, J., Jonker, P.G., van der Klis, M., & Kuulkers, E., 2000, ApJL, 542, L127.

[77.] “LMC X-2: the first extragalactic Z-source?", Smale, A.P., & Kuulkers, E., 2000, ApJ, 528, 702.

[66.] “A Type I burst with radius expansion observed from Cygnus X-2 with RXTE," Smale, A.P., 1998, ApJL, 498, L141.

[63.] “The Discovery of Kilohertz Quasi-Periodic Oscillations from 4U 1820-303 with RXTE," Smale, A.P., Zhang, W., & White, N.E., 1997, ApJL, 483, L119.

[58.] “Observations of low mass X-ray binaries”, Smale, A.P., 1996, invited review in “Cataclysmic Variables and Related Objects”, 1996, Astrophysics and Space Science Library, Dordrecht: Kluwer Academic Publishers, eds. Evans, A. & Wood, J.H., 349.

[56.] “Kilohertz X-ray variability from an accreting neutron star system," Strohmayer, T.E., Zhang, W., Swank, J.H., Smale, A.P., Titarchuk, L., Day, C., & Lee, U., 1996, ApJL, 469, L9.

[51.] “Precession and Long-Term Cyclic Behavior”, Smale, A.P., 1994, invited review in “The Evolution of X-ray Binaries”, American Institute of Physics Press, New York, eds. Holt, S. & Day, C.S., 525

[43.] “Resolving the iron K line in Cygnus X-2; an observation with BBXRT," Smale, A.P., Done, C., Mushotzky, R.F., Weaver, K.A., Serlemitsos, P.J., Marshall, F.E., Petre, R., Jahoda, K.M., Boldt, E.A., Swank J.H., Szymkowiak, A.E., Kelley, R.L. & Arnaud, K.A., 1993, ApJ, 410, 796.

[37.] “Ginga observations of the dipping low mass X-ray binaries XB1916-053 and EXO0748-676," Smale, A.P., Mukai, K., Williams, O.R., Jones, M.H. & Corbet, R.H.D., 1992, ApJ, 400, 330.

[36.] “Long-term variability in LMXBs; a study using data from Vela 5B," Smale, A.P., & Lochner, J.C., 1992, ApJ, 395, 582.

[35.] “A study of the H Alpha line in X1735-444," Smale, A.P. & Corbet, R.H.D., 1991, ApJ, 383, 853.

[34.] “A 9.1-hr candidate orbital period in X1556-605," Smale, A.P., 1991, PASP, 103, 636.

[16.] “CAL 83: a 1-day period low mass X-ray binary in the LMC," Smale, A.P., Corbet, R.H.D., Charles, P.A., Ilovaisky, S.A., Mason, K.O., Motch, C., Mukai, K., Naylor, T., Parmar, A.N., van der Klis, M. & van Paradijs, J., 1988, MNRAS, 233, 51.

[3.] “A six-second periodic X-ray source in Carina," Seward, F., Charles, P.A. & Smale, A.P., 1986, ApJ, 305, 814.

[2.] “A0538-66 during the extended `off' state; evidence for continuing mass motions," Smale, A.P., Charles, P.A., Densham, R.H., Bath, G.T., van Paradijs, J., Menzies, J.W. & Skinner, G.K., 1984, MNRAS, 210, 855.

Publications at the ADS website.


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