Zobrazeno 1 - 7
of 7
pro vyhledávání: '"Timothy B. Spahr"'
Autor:
A. K. Mainzer, J. R. Masiero, Paul A. Abell, J. M. Bauer, William Bottke, Bonnie J. Buratti, Sean J. Carey, D. Cotto-Figueroa, R. M. Cutri, D. Dahlen, Peter R. M. Eisenhardt, Y. R. Fernandez, Roberto Furfaro, Tommy Grav, T. L. Hoffman, Michael S. Kelley, Yoonyoung Kim, J. Davy Kirkpatrick, Christopher R. Lawler, Eva Lilly, X. Liu, Federico Marocco, K. A. Marsh, Frank J. Masci, Craig W. McMurtry, Milad Pourrahmani, Lennon Reinhart, Michael E. Ressler, Akash Satpathy, C. A. Schambeau, S. Sonnett, Timothy B. Spahr, Jason A. Surace, Mar Vaquero, E. L. Wright, Gregory R. Zengilowski, NEO Surveyor Mission Team
Publikováno v:
The Planetary Science Journal, Vol 4, Iss 12, p 224 (2023)
The Near-Earth Object (NEO) Surveyor mission is a NASA Observatory designed to discover and characterize asteroids and comets. The mission’s primary objective is to find the majority of objects large enough to cause severe regional impact damage (>
Externí odkaz:
https://doaj.org/article/dc54a30d4d784b28bbc990e60970e92e
Publikováno v:
Proceedings of the International Astronomical Union. 4:183-186
The activity of the Minor Planet Center continued generally to increase during the two triennia covered by this report, principally because of the continuing success of the surveys for near-earth objects. Chief among these has been the Lincoln (Labor
Autor:
Timothy B. Spahr, G. V. Williams
Publikováno v:
Handbook of Cosmic Hazards and Planetary Defense ISBN: 9783319039510
A brief overview is presented of the current and historical processing of observations and orbits by the Minor Planet Center (MPC). The MPC is delegated by the International Astronomical Union with organizing the cataloging of minor bodies in the sol
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::165bf9ef1e5ed15fb6d4d21c61678dc6
https://doi.org/10.1007/978-3-319-03952-7_89
https://doi.org/10.1007/978-3-319-03952-7_89
Autor:
Gareth V. Williams, Timothy B. Spahr
Publikováno v:
Handbook of Cosmic Hazards and Planetary Defense ISBN: 9783319028477
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ab3cd2af95c2bba62439aca84f3a2ade
https://doi.org/10.1007/978-3-319-02847-7_89-1
https://doi.org/10.1007/978-3-319-02847-7_89-1
Autor:
Saurabh Jha, Robert P. Kirshner, Peter Challis, Peter M. Garnavich, Thomas Matheson, Alicia M. Soderberg, Genevieve J. M. Graves, Malcolm Hicken, João F. Alves, Héctor G. Arce, Zoltan Balog, Pauline Barmby, Elizabeth J. Barton, Perry Berlind, Ann E. Bragg, César Briceño, Warren R. Brown, James H. Buckley, Nelson Caldwell, Michael L. Calkins, Barbara J. Carter, Kristi Dendy Concannon, R. Hank Donnelly, Kristoffer A. Eriksen, Daniel G. Fabricant, Emilio E. Falco, Fabrizio Fiore, Michael R. Garcia, Mercedes Gómez, Norman A. Grogin, Ted Groner, Paul J. Groot, Karl E. Haisch, Jr., Lee Hartmann, Carl W. Hergenrother, Matthew J. Holman, John P. Huchra, Ray Jayawardhana, Diab Jerius, Sheila J. Kannappan, Dong-Woo Kim, Jan T. Kleyna, Christopher S. Kochanek, Daniel M. Koranyi, Martin Krockenberger, Charles J. Lada, Kevin L. Luhman, Jane X. Luu, Lucas M. Macri, Jeff A. Mader, Andisheh Mahdavi, Massimo Marengo, Brian G. Marsden, Brian A. McLeod, Brian R. McNamara, S. Thomas Megeath, Dan Moraru, Amy E. Mossman, August A. Muench, Jose A. Muñoz, James Muzerolle, Orlando Naranjo, Kristin Nelson-Patel, Michael A. Pahre, Brian M. Patten, James Peters, Wayne Peters, John C. Raymond, Kenneth Rines, Rudolph E. Schild, Gregory J. Sobczak, Timothy B. Spahr, John R. Stauffer, Robert P. Stefanik, Andrew H. Szentgyorgyi, Eric V. Tollestrup, Petri Väisänen, Alexey Vikhlinin, Zhong Wang, S. P. Willner, Scott J. Wolk, Joseph M. Zajac, Ping Zhao, Krzysztof Z. Stanek
Publikováno v:
Astronomical Journal, 131, 527-554
Astronomical Journal, 131, 1, pp. 527-554
Astronomical Journal, 131, 1, pp. 527-554
We present UBVRI photometry of 44 type-Ia supernovae (SN Ia) observed from 1997 to 2001 as part of a continuing monitoring campaign at the Fred Lawrence Whipple Observatory of the Harvard-Smithsonian Center for Astrophysics. The data set comprises 21
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a2e2d39da59e761b658a50bf65e84497
http://hdl.handle.net/2066/34664
http://hdl.handle.net/2066/34664
Autor:
Petr Pravec, David J. Tholen, Jana Tichá, Karri Muinonen, Giovanni B. Valsecchi, Daniela Lazzaro, Makoto Yoshikawa, Jin Zhu, Steven R. Chesley, Julio A. Fernandez, Timothy B. Spahr, Yulia A. Chernetenko, Alan C. Gilmore
Publikováno v:
Proceedings of the International Astronomical Union. 6:175-176
Commission 20 has been involved in the discussion on discovery credit rules of solar system objects (mainly concerned with asteroids) in particular with the role played by dynamicists in recovering objects by linking their orbits with previous appari