Zobrazeno 1 - 10
of 18
pro vyhledávání: '"J. Bodnarik"'
Autor:
C. Lejoly, W. Harris, N. Samarasinha, B. E. A. Mueller, E. Howell, J. Bodnarik, A. Springmann, T. Kareta, B. Sharkey, J. Noonan, L. R. Bedin, J.-G. Bosch, A. Brosio, E. Bryssinck, J.-B. de Vanssay, F.-J. Hambsch, O. Ivanova, V. Krushinsky, Z.-Y. Lin, F. Manzini, A. Maury, N. Moriya, P. Ochner, V. Oldani
There was an unprecedented opportunity to study the inner dust coma environments, where the dust and gas are not entirely decoupled, of comets 45P/Honda–Mrkos–Pajdus̆áková (45P/HMP) from 2016 December 26 to 2017 March 15, and 46P/Wirtanen from
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a22a22e288bc2b9ccb7190e5ead1301c
http://hdl.handle.net/20.500.12386/32990
http://hdl.handle.net/20.500.12386/32990
Autor:
Arnold Burger, Liviu Matei, Thomas H. Prettyman, Keivan G. Stassun, J. Bodnarik, Michael Groza, Joanna C. Egner, Vladimir Buliga, Ashley C. Stowe
We present a preliminary design for a novel neutron detection system that is compact, lightweight, and low power consuming, utilizing the CubeSat platform making it suitable for space-based applications. This is made possible using the scintillating
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c526744d9c405dd8c3bbbeadf755f6ac
Autor:
J. Bodnarik, M. Namkung, J. Trombka, Suzanne F. Nowicki, T. P. McClanahan, Jeffrey Schweitzer, Larry G. Evans, S. R. Floyd, R. D. Starr, A. M. Parsons, Lucy F. Lim
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 652:674-679
We describe the development of an instrument capable of detailed in situ bulk geochemical analysis of the surface of planets, moons, asteroids, and comets. This instrument technology uses a pulsed neutron generator to excite the solid materials of a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cac86c8580a2f01d8097b10eeb050608
https://doi.org/10.1016/j.nima.2010.09.157
https://doi.org/10.1016/j.nima.2010.09.157
Autor:
Chris Cameron, Ömür Çakırlı, R. Avila, G. Stachowski, C. Akan, Y. M. Lipkin, S. L. Harms, Z. Csubry, Jaymie M. Matthews, M. Vuckovic, D. W. Winget, S. McDaniel, D. Zsuffa, Róbert Szabó, J. Bodnarik, R. Janulis, J. L. Provencal, M. Paparó, X.-J. Jian, M. Chevreton, Roy Ostensen, R. Pretorius, Michael D. Reed, J.-P. Gou, Fergal Mullally, Hong Wu, Reed Riddle, W. Ogloza, B. Berkey, H.-C. Lin, Wen Ping Chen, Philippe M. Binder, Pawel Moskalik, A. F. M. Costa, J.-E. Solheim, G. Vauclair, Roberto Silvotti, Ivan Bruni, R. Crowe, Kazuhiro Sekiguchi, S. G. Stewart, D. Terry, E. M. Leibowitz, C.-W. Chen, A. C. Quint, Zong-Li Liu, M. A. Morris, S. L. Kim, D. J. Sullivan, J. R. Eggen, S. Marinoni, S. Poindexter, Andrzej S. Baran, H. Pablo, D. W. Kurtz, Stanisław Zoła, N. Dolez, Steven D. Kawaler, Souza Oliveira Kepler, A.-Y. Zhou, D. Bolton
Publikováno v:
Monthly Notices of the Royal Astronomical Society. 412:371-390
KPD 1930+2752 is a short-period pulsating subdwarf B (sdB) star. It is also an ellipsoidal variable with a known binary period just over two hours. The companion is most likely a white dwarf and the total mass of the system is close to the Chandresak
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e4a4501f88227d51bf150651d2718aac
https://doi.org/10.1111/j.1365-2966.2010.17912.x
https://doi.org/10.1111/j.1365-2966.2010.17912.x
Autor:
Jeffrey Schweitzer, A. M. Parsons, J. Bodnarik, T. McClanahan, R. D. Starr, Suzanne F. Nowicki, Larry G. Evans
Publikováno v:
2013 IEEE Aerospace Conference.
This paper describes the Probing In situ with Neutron and Gamma rays (PING) instrument, that can measure the subsurface elemental composition in situ for any rocky body in the solar system without the need for digging into the surface. PING consists
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ba5689d919fb429cd5af4da8f6abc2f3
https://doi.org/10.1109/aero.2013.6496922
https://doi.org/10.1109/aero.2013.6496922
Autor:
Stanley D. Hunter, J. Bodnarik, Suzanne F. Nowicki, Seunghee Son, Jeffrey Schweitzer, A. M. Parsons, Michael P. Dion
Publikováno v:
SPIE Proceedings.
The Advanced Energetic Pair Telescope (AdEPT) will explore the universe in the medium-energy range from about 5 MeV to greater than 200 MeV via gamma-ray pair production. AdEPT will provide high angular resolution observations and for the first time
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2742e66879171fe7ea3f9052118e3949
https://doi.org/10.1117/12.925473
https://doi.org/10.1117/12.925473
Publikováno v:
2011 IEEE Nuclear Science Symposium Conference Record.
The only main source of elemental composition information for carbonaceous (spectral type C or C-type) asteroids is from their optical, near-infrared and infrared properties, which include their spectral reflectance characteristics, albedo, polarizat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7f4d757e9d50e7eab2eacc19c12d9116
https://doi.org/10.1109/nssmic.2011.6154374
https://doi.org/10.1109/nssmic.2011.6154374
Autor:
Parsons Ann, L. G. Evans, Dan Burger, Jeffrey Schweitzer, S. R. Floyd, R. Starr, J. Bodnarik, Jacob I. Trombka, T. McClanahan, Suzanne F. Nowicki, Lucy F. Lim, M. Namkung
Publikováno v:
2011 IEEE Nuclear Science Symposium Conference Record.
This paper describes the testing of a prototype active neutron/ gamma ray instrument for use in planetary science space applications. The Probing In situ with Neutrons and Gamma rays (PING) instrument can measure the full bulk elemental composition o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5dfea7dd3ed24d545cfabbc43c712e82
https://doi.org/10.1109/nssmic.2011.6154608
https://doi.org/10.1109/nssmic.2011.6154608
Autor:
Jeffrey Schweitzer, M. Namkung, Jacob I. Trombka, Dan Burger, T. McClanahan, Keivan G. Stassun, Arnold Burger, Suzanne F. Nowicki, L. G. Evans, A. M. Parsons, Lucy F. Lim, S. R. Floyd, R. Starr, J. Bodnarik
Publikováno v:
IEEE Nuclear Science Symposuim & Medical Imaging Conference.
The current gamma ray/neutron instrumentation development effort at NASA Goddard Space Flight Center?s Astrochemistry Laboratory aims to extend the use of neutron interrogation techniques, using a 14 MeV Pulsed Neutron Generator (PNG) combined with n
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1221a5a1f976140520a8b0dc465db4cd
https://doi.org/10.1109/nssmic.2010.6036247
https://doi.org/10.1109/nssmic.2010.6036247
Autor:
L. G. Evans, Jeffrey Schweitzer, R. Starr, Suzanne F. Nowicki, M. Namkung, A. M. Parsons, J. Bodnarik
Publikováno v:
IEEE Nuclear Science Symposuim & Medical Imaging Conference.
It is important for planetary sciences to find a gamma-ray spectrometer that is compact, light and provides good energy resolution in an energy range that varies from ∼ 30 keV to 10 MeV. Pixelated CdZnTe detector is a good candidate for this applic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5092b3e976247221876ece8517112fa3
https://doi.org/10.1109/nssmic.2010.5874534
https://doi.org/10.1109/nssmic.2010.5874534