T
T. P. McClanahan
Researcher at Goddard Space Flight Center
Publications - 67
Citations - 1860
T. P. McClanahan is an academic researcher from Goddard Space Flight Center. The author has contributed to research in topics: Gamma-ray burst & Neutron detection. The author has an hindex of 21, co-authored 64 publications receiving 1668 citations.
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Journal ArticleDOI
Hydrogen mapping of the lunar south pole using the LRO neutron detector experiment LEND.
I. G. Mitrofanov,A. B. Sanin,William V. Boynton,Gordon Chin,James B. Garvin,Dmitry Golovin,Larry G. Evans,K. Harshman,A. S. Kozyrev,Maxim Litvak,Alexey Malakhov,Erwan Mazarico,T. P. McClanahan,G. M. Milikh,Maxim Mokrousov,G. Nandikotkur,Gregory A. Neumann,I. Nuzhdin,R. Z. Sagdeev,V. V. Shevchenko,Valery Shvetsov,David E. Smith,R. D. Starr,Vladislav Tretyakov,J. Trombka,D. Usikov,A. Varenikov,Andrey Vostrukhin,Maria T. Zuber +28 more
TL;DR: The LCROSS impact site inside the Cabeus crater demonstrates the highest hydrogen concentration in the lunar south polar region, corresponding to an estimated content of 0.5 to 4.0% water ice by weight, depending on the thickness of any overlying dry regolith layer.
Journal ArticleDOI
Detection of the optical afterglow of GRB 000630: Implications for dark bursts
Johan P. U. Fynbo,Johan P. U. Fynbo,B. L. Jensen,Javier Gorosabel,Jens Hjorth,Henrik D. Pedersen,Palle Møller,T. M. C. Abbott,A. J. Castro-Tirado,D. Delgado,Jochen Greiner,Arne Henden,A. Magazzu,N. Masetti,S. Merlino,Josefa Masegosa,Roy Ostensen,Eliana Palazzi,Elena Pian,H. E. Schwarz,T. L. Cline,C. Guidorzi,John O. Goldsten,Kevin Hurley,E. P. Mazets,T. P. McClanahan,Enrico Montanari,R. D. Starr,Jacob I. Trombka +28 more
TL;DR: In this paper, the authors presented the discovery of the optical transient of the long-duration gamma-ray burst GRB 000630, which displayed a power-law decline characterized by a decay slope of = 1:035 0:097.
Journal ArticleDOI
The afterglow of the short/intermediate-duration gamma-ray burst GRB 000301C: A jet at z = 2:04 ?;??;???
B. L. Jensen,Johan P. U. Fynbo,Johan P. U. Fynbo,Javier Gorosabel,Jens Hjorth,S. T. Holland,S. T. Holland,Per Møller,B. Thomsen,Gunnlaugur Björnsson,Henrik D. Pedersen,I. Burud,A. A. Henden,Nial R. Tanvir,C. J. Davis,P. M. Vreeswijk,E. Rol,Kevin Hurley,T. L. Cline,Jacob I. Trombka,T. P. McClanahan,R. D. Starr,John O. Goldsten,A. J. Castro-Tirado,A. J. Castro-Tirado,Jochen Greiner,C. A. L. Bailer-Jones,M. W. Kümmel,Reinhard Mundt +28 more
TL;DR: In this article, the authors present UBRI and NEAR data from the detection of the short or intermediate duration (2 s) gamma-ray burst GRB000301C (2000 March 1.41 UT).
Journal ArticleDOI
Detection of the optical afterglow of GRB 000630: Implications for dark bursts
Johan P. U. Fynbo,B. L. Jensen,J. Gorosabel,Jens Hjorth,Henrik D. Pedersen,Palle Møller,T. M. C. Abbott,A. J. Castro-Tirado,D. Delgado,Jochen Greiner,A. A. Henden,A. Magazzu,N. Masetti,S. Merlino,Josefa Masegosa,R. Oestensen,Eliana Palazzi,Elena Pian,H. E. Schwarz,T. Cline,C. Guidorzi,John O. Goldsten,K. Hurley,E. P. Mazets,T. P. McClanahan,Enrico Montanari,R. D. Starr,Jacob I. Trombka +27 more
TL;DR: The optical transient of the long-duration gamma-ray burst GRB000630 was detected with the Nordic Optical Telescope 21.1 hours after the burst as discussed by the authors, and the optical transient displayed a power-law decline characterized by a decay slope of alpha = -1.035+-0.097.
Journal ArticleDOI
The elemental composition of asteroid 433 Eros: Results of the NEAR-Shoemaker X-ray spectrometer
J. Trombka,S. W. Squyres,J. Brückner,William V. Boynton,Robert C. Reedy,Timothy J. McCoy,P. Gorenstein,Larry G. Evans,James R. Arnold,R. D. Starr,Larry R. Nittler,M. E. Murphy,I. Mikheeva,Ralph L. McNutt,T. P. McClanahan,E. McCartney,John O. Goldsten,Robert E. Gold,S. R. Floyd,Pamela Elizabeth Clark,Thomas H. Burbine,J. S. Bhangoo,Samuel Bailey,M. Petaev +23 more
TL;DR: Major element composition ratios for regions of the asteroid 433 Eros imaged during two solar flares and quiet sun conditions during the period of May to July 2000 are reported.