Search Results - "THOLEN, David J"

New Moons of Uranus and Neptune from Ultradeep Pencil-beam Surveys by Sheppard, Scott S., Tholen, David J., Brozovic, Marina, Jacobson, Robert, Trujillo, Chadwick A., Lykawka, Patryk Sofia, Alexandersen, Mike

“…Abstract We have conducted extremely ultradeep pencil-beam observations for new satellites around both Uranus and Neptune. Tens of images on several different…”
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2019 UO14: A Transient Trojan of Saturn by Hui, Man-To, Wiegert, Paul A., Weryk, Robert, Micheli, Marco, Tholen, David J., Deen, Sam, Walker, Andrew J., Wainscoat, Richard

“…Saturn has long been the only giant planet in our solar system without any known Trojan members. In this Letter, with serendipitous archival observations and…”
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Dark Comets? Unexpectedly Large Nongravitational Accelerations on a Sample of Small Asteroids by Seligman, Darryl Z., Farnocchia, Davide, Micheli, Marco, Vokrouhlický, David, Taylor, Aster G., Chesley, Steven R., Bergner, Jennifer B., Vereš, Peter, Hainaut, Olivier R., Meech, Karen J., Devogele, Maxime, Pravec, Petr, Matson, Rob, Deen, Sam, Tholen, David J., Weryk, Robert, Rivera-Valentín, Edgard G., Sharkey, Benjamin N. L.

“…Abstract We report statistically significant detections of nonradial, nongravitational accelerations based on astrometric data in the photometrically inactive…”
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The Hayabusa Spacecraft Asteroid Multi-band Imaging Camera (AMICA) by Ishiguro, Masateru, Nakamura, Ryosuke, Tholen, David J., Hirata, Naru, Demura, Hirohide, Nemoto, Etsuko, Nakamura, Akiko M., Higuchi, Yuta, Sogame, Akito, Yamamoto, Aya, Kitazato, Kohei, Yokota, Yasuhiro, Kubota, Takashi, Hashimoto, Tatsuaki, Saito, Jun

“…The Hayabusa Spacecraft Asteroid Multi-band Imaging Camera (AMICA) has acquired more than 1400 multispectral and high-resolution images of its target asteroid,…”
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Search for the Comet Activity of 107P/(4015) Wilson-Harrington during 2009/2010 Apparition by Ishiguro, Masateru, Ham, Ji-Beom, Tholen, David J, Elliott, Garrett T, Micheli, Marco, Niwa, Takahiro, Sakamoto, Makoto, Matsuda, Kentaro, Urakawa, Seitaro, Yoshimoto, Katsumi, Sarugaku, Yuki, Usui, Fumihiko, Hasegawa, Sunao, Iwata, Ikuru, Ozaki, Shinobu, Kuroda, Daisuke, Ootsubo, Takafumi

“…We present the optical observations of the Near Earth Object 107P/(4015) Wilson-Harrington during the 2009/2010 apparition taken in search of low-level comet…”
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Evidence for 2009 WN25 being the parent body of the November i-Draconids (NID) by Micheli, Marco, Tholen, David J., Jenniskens, Peter

“…In this work we propose the Amor-type asteroid 2009 WN25 as the likely progenitor of the November i-Draconids (NID, IAU#392), a recently detected weak annual…”
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A Deep and Wide Twilight Survey for Asteroids Interior to Earth and Venus by Sheppard, Scott S., Tholen, David J., Pokorný, Petr, Micheli, Marco, Dell’Antonio, Ian, Fu, Shenming, Trujillo, Chadwick A., Beaton, Rachael, Carlsten, Scott, Drlica-Wagner, Alex, Martínez-Vázquez, Clara, Mau, Sidney, Santana-Ros, Toni, Santana-Silva, Luidhy, Sifón, Cristóbal, Simha, Sunil, Thirouin, Audrey, Trilling, David, Vivas, A. Katherina, Zenteno, Alfredo

“…Abstract We are conducting a survey using twilight time on the Dark Energy Camera with the Blanco 4 m telescope in Chile to look for objects interior to…”
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Thermal Properties of 1847 WISE-observed Asteroids by Hung, Denise, Hanuš, Josef, Masiero, Joseph R., Tholen, David J.

“…Abstract We present new thermophysical model fits of 1847 asteroids, deriving thermal inertia, diameter, and Bond and visible geometric albedo. We use thermal…”
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The Lingering Death of Periodic Near-Sun Comet 323P/SOHO by Hui, Man-To, Tholen, David J., Kracht, Rainer, Chang, Chan-Kao, Wiegert, Paul A., Ye, Quan-Zhi, Mutchler, Max

“…Abstract We observed near-Sun comet 323P/SOHO for the first time using ground and space telescopes. In late 2020 December, the object was recovered at Subaru…”
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Global mapping of the degree of space weathering on asteroid 25143 Itokawa by Hayabusa/AMICA observations by Ishiguro, Masateru, Hiroi, Takahiro, Tholen, David J., Sasaki, Sho, Ueda, Yuji, Nimura, Tokuhiro, Abe, Masanao, Clark, Beth E., Yamamoto, Aya, Yoshida, Fumi, Nakamura, Ryosuke, Hirata, Naru, Miyamoto, Hideaki, Yokota, Yasuhiro, Hashimoto, Tatsuaki, Kubota, Takashi, Nakamura, Akiko M., Gaskell, Robert W., Saito, Jun

“…— We obtained color images of near‐Earth asteroid 25143 Itokawa by the Hayabusa multiband imaging camera to characterize the regional color properties. Images…”
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Search for meter-sized bodies in meteoroid streams by Micheli, Marco, Tholen, David J.

“…•We searched for large meter-sized meteoroids in known meteoroid streams.•Our observations place useful constraints on the population of meter-sized…”
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Detectability of the Yarkovsky Effect in the Main Belt by Hung, Denise, Tholen, David J., Farnocchia, Davide, Spoto, Federica

“…Abstract We attempt to detect a signal of Yarkovsky-related acceleration in the orbits of 134 main belt asteroids (MBAs) we observed with the University of…”
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Erratum: “Thermal Properties of 1847 WISE-observed Asteroids” (2022, PSJ, 3, 56) by Hung, Denise, Hanuš, Josef, Masiero, Joseph R., Tholen, David J.

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2012 LA, an optimal astrometric target for radiation pressure detection by Micheli, Marco, Tholen, David J., Elliott, Garrett T.

“…•2012 LA is a small NEO in an Earth-like orbit with low Δv to Earth.•We obtained extensive astrometric coverage of the object during two close approaches.•We…”
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Detection of radiation pressure acting on 2009 BD by Micheli, Marco, Tholen, David J., Elliott, Garrett T.

“…► 2009 BD is a small near Earth object with an Earth-like orbit. ► We obtained new astrometry of the object at two oppositions. ► We used the astrometry to…”
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The effect of proper motion on Pan-STARRS asteroid astrometry by Tholen, David J., Micheli, Marco, Elliott, Garrett T.

“…We present evidence that the failure to account for proper motion is responsible for most of the regional biases seen in the astrometry of asteroids produced…”
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Improved astrometry of (99942) Apophis by Tholen, David J., Micheli, Marco, Elliott, Garrett T.

“…We have remeasured over 430 astrometric observations of (99942) Apophis using the 2MASS reference catalog to reduce the level of astrometric bias in the data…”
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WISE/NEOWISE OBSERVATIONS OF ACTIVE BODIES IN THE MAIN BELT by BAUER, James M, MAINZER, A. K, CUTRI, Roc M, DAILEY, John W, THOLEN, David J, RIESEN, Timm, URBAN, Laurie, KHAYAT, Alain, PEARMAN, George, SCOTTI, James V, KRAMER, Emily, CHERRY, De'andre, GRAV, Tommy, GAUTIER, Thomas, GOMILLION, Stephanie, WATKINS, Jessica, WRIGHT, Edward L, WALKER, Russell G, MASIERO, Joseph R, BLAUVELT, Erin K, MCMILLAN, Robert S, FERNANDEZ, Yan R, MEECH, Karen J, LISSE, Carey M

“…We report results based on mid-infrared photometry of five active main belt objects (AMBOs) detected by the Wide-field Infrared Survey Explorer (WISE)…”
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Updated analysis of the dynamical relation between asteroid 2003 EH1 and comets C/1490 Y1 and C/1385 U1 by Micheli, Marco, Bernardi, Fabrizio, Tholen, David J.

“…The asteroid 2003 EH1, proposed as the parent body of the Quadrantid meteor shower, is thought to be the remnant of a past cometary object, tentatively…”
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WISE/NEOWISE Observations of Comet 103P/Hartley 2 by Bauer, James M, Walker, Russell G, Mainzer, A. K, Masiero, Joseph R, Grav, Tommy, Dailey, John W, McMillan, Robert S, Lisse, Carey M, Fernández, Yan R, Meech, Karen J, Pittichova, Jana, Blauvelt, Erin K, Masci, Frank J, A'Hearn, Michael F, Cutri, Roc M, Scotti, James V, Tholen, David J, DeBaun, Emily, Wilkins, Ashlee, Hand, Emma, Wright, Edward L

“…We report results based on mid-infrared photometry of comet 103P/Hartley 2 taken during 2010 May 4-13 (when the comet was at a heliocentric distance of 2.3 AU,…”
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