Research Interests
High Energy Astrophysics
Gamma-Ray Bursts
Supernova Remnants
Positions/Employment
NASA Postdoctoral Program Fellow
7/2009 -
7/2012
Advisor: Neil Gehrels, NASA Goddard Space Flight Center
Education
PhD in Physics & Astronomy, 03/2009
Thesis: Gamma-ray bursts in the Swift era: evidence of long lived central engines and implications for progenitor models.
Supervisor: Dr. Giancarlo Cusumano (INAF-IASF Palermo).
Master's degree in Physics & Astronomy, 07/2005
Thesis: XMM-Newton observations of the supernova remnant IC 443: analysis of the thermal X-ray emission.
Supervisor: Prof. F. Reale (OAPA - Astronomical Observatory of Palermo)
Bachelor's degree in Physics & Astronomy, 09/2002
Thesis: X-ray spectroscopy of He-like ions in optically thin astrophysical plasmas.
Supervisor: Prof. G. Peres (OAPA - Astronomical Observatory of Palermo)
Professional Societies
Swift team,
2006-
Present
Fermi/LAT team,
2009-
Present
Publications
TROJA, E., T. SAKAMOTO, C. GUIDORZI, J. P. NORRIS, A. PANAITESCU, S. KOBAYASHI, N. OMODEI, and . ET AL.. 2012. Broadband study of GRB 091127: a sub-energetic burst at higher redshift?. submitted to The Astrophysical Journal. (Submitted) [Full Text (Link)]
SAKAMOTO T., E. TROJA, K. AOKI, S. G. GUIRIEC, and . ET AL.. 2012. Identifying the Location in the Host Galaxy of Short GRB 111117A with the Chandra Sub-arcsecond Position. submitted to the Astrophysical Journal. (Submitted)
VIRGILI F., B. ZHANG, P. T. O'BRIEN, and E. TROJA. 2011. Are All Short-hard Gamma-ray Bursts Produced from Mergers of Compact Stellar Objects?. The Astrophysical Journal. 727 (2): [10.1088/0004-637X/727/2/109]
CANNIZZO J. K., E. TROJA, and G. LODATO. 2011. GRB 110328A/Swift J1644493+573451: The Tidal Obliteration of a Deeply Plunging Star?. The Astrophysical Journal. 742 (1): 32. [10.1088/0004-637X/742/1/32]
CANNIZZO, J. K., E. TROJA, and C. A. GEHRELS. 2011. Fall-back Disks in Long and Short Gamma-Ray Bursts. The Astrophysical Journal. [10.1088/0004-637X/734/1/35]
TROJA E., G. W. WYNN, P. T. O'BRIEN, and S. ROSSWOG. 2010. Going out with a bang: compact object collisions resulting from supernovae in binary systems. Monthly Notices of the Royal Astronomical Society. 402 (2): 1381-1387. [10.1111/j.1365-2966.2009.15747.x]
LYONS N., P. T. O'BRIEN, B. ZHANG, R. WILLINGALE, E. TROJA, and R. STARLING. 2010. Can X-ray emission powered by a spinning-down magnetar explain some gamma-ray burst light-curve features?. Monthly Notices of the Royal Astronomical Society. 402 (2): 705-712. [10.1111/j.1365-2966.2009.15538.x]
TROJA E., S. ROSSWOG, and C. A. GEHRELS. 2010. Precursors of Short Gamma-ray Bursts. The Astrophysical Journal. 723 (2): 1711-1717. [10.1088/0004-637X/723/2/1711]
TROJA E., A. R. KING, P. T. O'BRIEN, N. LYONS, and G. CUSUMANO. 2008. Different progenitors of short hard gamma-ray bursts. Monthly Notices of the Royal Astronomical Society: Letters. 385 (1): L10-L14. [ 10.1111/j.1745-3933.2007.00421.x]
TROJA E., G. CUSUMANO, P. T. O'BRIEN, B. ZHANG, and . ET AL.. 2007. Swift Observations of GRB 070110: An Extraordinary X-Ray Afterglow Powered by the Central Engine. The Astrophysical Journal. 665 (1): 599-607. [ 10.1086/519450]
RUIZ-VELASCO A. E., H. SWAN, E. TROJA, and . ET AL.. 2007. Detection of GRB 060927 at z = 547: Implications for the Use of Gamma-Ray Bursts as Probes of the End of the Dark Ages. The Astrophysical Journal. 669 (1): 1-9. [10.1086/521546]
TROJA, E.,
T. SAKAMOTO,
C. GUIDORZI,
J. P. NORRIS,
A. PANAITESCU,
S. KOBAYASHI,
N. OMODEI,
and
. ET AL..
2012. Broadband study of GRB 091127: a sub-energetic burst at higher redshift?.
submitted to The Astrophysical Journal.
(Submitted)
[Full Text (Link)]
SAKAMOTO T., E. TROJA, K. AOKI, S. G. GUIRIEC, and . ET AL.. 2012. Identifying the Location in the Host Galaxy of Short GRB 111117A with the Chandra Sub-arcsecond Position. submitted to the Astrophysical Journal. (Submitted)
VIRGILI F., B. ZHANG, P. T. O'BRIEN, and E. TROJA. 2011. Are All Short-hard Gamma-ray Bursts Produced from Mergers of Compact Stellar Objects?. The Astrophysical Journal. 727 (2): [10.1088/0004-637X/727/2/109]
CANNIZZO J. K., E. TROJA, and G. LODATO. 2011. GRB 110328A/Swift J1644493+573451: The Tidal Obliteration of a Deeply Plunging Star?. The Astrophysical Journal. 742 (1): 32. [10.1088/0004-637X/742/1/32]
CANNIZZO, J. K., E. TROJA, and C. A. GEHRELS. 2011. Fall-back Disks in Long and Short Gamma-Ray Bursts. The Astrophysical Journal. [10.1088/0004-637X/734/1/35]
TROJA E., G. W. WYNN, P. T. O'BRIEN, and S. ROSSWOG. 2010. Going out with a bang: compact object collisions resulting from supernovae in binary systems. Monthly Notices of the Royal Astronomical Society. 402 (2): 1381-1387. [10.1111/j.1365-2966.2009.15747.x]
LYONS N., P. T. O'BRIEN, B. ZHANG, R. WILLINGALE, E. TROJA, and R. STARLING. 2010. Can X-ray emission powered by a spinning-down magnetar explain some gamma-ray burst light-curve features?. Monthly Notices of the Royal Astronomical Society. 402 (2): 705-712. [10.1111/j.1365-2966.2009.15538.x]
TROJA E., S. ROSSWOG, and C. A. GEHRELS. 2010. Precursors of Short Gamma-ray Bursts. The Astrophysical Journal. 723 (2): 1711-1717. [10.1088/0004-637X/723/2/1711]
TROJA E., A. R. KING, P. T. O'BRIEN, N. LYONS, and G. CUSUMANO. 2008. Different progenitors of short hard gamma-ray bursts. Monthly Notices of the Royal Astronomical Society: Letters. 385 (1): L10-L14. [ 10.1111/j.1745-3933.2007.00421.x]
TROJA E., G. CUSUMANO, P. T. O'BRIEN, B. ZHANG, and . ET AL.. 2007. Swift Observations of GRB 070110: An Extraordinary X-Ray Afterglow Powered by the Central Engine. The Astrophysical Journal. 665 (1): 599-607. [ 10.1086/519450]
RUIZ-VELASCO A. E., H. SWAN, E. TROJA, and . ET AL.. 2007. Detection of GRB 060927 at z = 547: Implications for the Use of Gamma-Ray Bursts as Probes of the End of the Dark Ages. The Astrophysical Journal. 669 (1): 1-9. [10.1086/521546]
SAKAMOTO T., E. TROJA, K. AOKI, S. G. GUIRIEC, and . ET AL.. 2012. Identifying the Location in the Host Galaxy of Short GRB 111117A with the Chandra Sub-arcsecond Position. submitted to the Astrophysical Journal. (Submitted)
VIRGILI F., B. ZHANG, P. T. O'BRIEN, and E. TROJA. 2011. Are All Short-hard Gamma-ray Bursts Produced from Mergers of Compact Stellar Objects?. The Astrophysical Journal. 727 (2): [10.1088/0004-637X/727/2/109]
CANNIZZO J. K., E. TROJA, and G. LODATO. 2011. GRB 110328A/Swift J1644493+573451: The Tidal Obliteration of a Deeply Plunging Star?. The Astrophysical Journal. 742 (1): 32. [10.1088/0004-637X/742/1/32]
CANNIZZO, J. K., E. TROJA, and C. A. GEHRELS. 2011. Fall-back Disks in Long and Short Gamma-Ray Bursts. The Astrophysical Journal. [10.1088/0004-637X/734/1/35]
TROJA E., G. W. WYNN, P. T. O'BRIEN, and S. ROSSWOG. 2010. Going out with a bang: compact object collisions resulting from supernovae in binary systems. Monthly Notices of the Royal Astronomical Society. 402 (2): 1381-1387. [10.1111/j.1365-2966.2009.15747.x]
LYONS N., P. T. O'BRIEN, B. ZHANG, R. WILLINGALE, E. TROJA, and R. STARLING. 2010. Can X-ray emission powered by a spinning-down magnetar explain some gamma-ray burst light-curve features?. Monthly Notices of the Royal Astronomical Society. 402 (2): 705-712. [10.1111/j.1365-2966.2009.15538.x]
TROJA E., S. ROSSWOG, and C. A. GEHRELS. 2010. Precursors of Short Gamma-ray Bursts. The Astrophysical Journal. 723 (2): 1711-1717. [10.1088/0004-637X/723/2/1711]
TROJA E., A. R. KING, P. T. O'BRIEN, N. LYONS, and G. CUSUMANO. 2008. Different progenitors of short hard gamma-ray bursts. Monthly Notices of the Royal Astronomical Society: Letters. 385 (1): L10-L14. [ 10.1111/j.1745-3933.2007.00421.x]
TROJA E., G. CUSUMANO, P. T. O'BRIEN, B. ZHANG, and . ET AL.. 2007. Swift Observations of GRB 070110: An Extraordinary X-Ray Afterglow Powered by the Central Engine. The Astrophysical Journal. 665 (1): 599-607. [ 10.1086/519450]
RUIZ-VELASCO A. E., H. SWAN, E. TROJA, and . ET AL.. 2007. Detection of GRB 060927 at z = 547: Implications for the Use of Gamma-Ray Bursts as Probes of the End of the Dark Ages. The Astrophysical Journal. 669 (1): 1-9. [10.1086/521546]
