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Comet Hartley 2, designated as 103P/Hartley by the Minor Planet Center, is a small periodic ... Michael A'Hearn, the science team leader for the EPOXI mission , stated "Early ... precision t...

Observational Constraints on Surface Characteristics of Comet Nuclei


nations of the albedos, re ectances, and thermal inertias of comet nuclei. There is ... Rigaux and Tempel 2 (Campins et al. 1987, Millis et al. 1988, A'Hearn et al.

Deep Impact and the Origin and Evolution of Cometary Nuclei ...


M.F. A'Hearn et al., Deep Impact: excavating comet Tempel 1. ... P.D. Feldman, R.E. Lupu, S.R. McCandliss, H.A. Weaver, M.F. A'Hearn, M.J.S. Belton, K.J. ...

PDF (3.505 MB) - Astronomy & Astrophysics


The re- sults of this study are presented in Farnham et al. (2007). Different methods have been ... analysis of the coma structures orientations (Vincent et al. 2010). ...... Feaga, L. M., A'Hearn, M. F., Sunshine, J. M., Groussin, O., & Farnham, T. L..

Photometry and Imaging of the Coma with Narrowband Filters


comet and sky in each filter, as compared to the time re- ... haps the most important changes in CCD detectors in re- ... A'Hearn et al., 1979; A'Hearn and Millis,.

1995 O1 - Department of Physics

physics.csusb.edu/~slederer/sled HB jets.pdf

been reported in Comet Halley by several authors (A'Hearn et al., 1986a,b; Cos- .... The continuum (dust) images show varying jet structure, but it is generally re-.

The HB Narrowband Comet Filters - University of Maryland


covery of CN jets in Comet 1P/Halley (A'Hearn et al. 1986). The larger ... filters were received and re-distributed to observers by February. 1997. Observations to  ...



Mar 19, 2015 ... A'Hearn M. F., Belton M. J., Delamere W. A. et al 2011 Sci 332 1396 ... Johnson R. E., Cooper J. F., Lanzerotti L. J. and Strazzula G. 1987 A&A ...

Effects of the law for nongravitational forces on the precession ...


The various symbols indicate the production rates derived from measurements of OH and Lyman alpha emissions, as summarized by A'Hearn et al (1985).

DOI: 10.1126/science.1123632 , 1453 (2006); 311 Science et al ...


Science et al. J. M. Sunshine,. Comet 9P/Tempel 1. Exposed Water Ice Deposits on the Surface of ... J. M. Sunshine,1* M. F. A'Hearn,2 O. Groussin,2 J.-Y. Li,2 M. J. S. Belton,3 W. A. Delamere,4 .... the temperature derived for the water ice re- .

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Deep Impact: Working Properties for the Target Nucleus – Comet 9P ...


Cite this article as: Belton, M.J.S., Meech, K.J., A'Hearn, M.F. et al. ... leading to the founding of a worldwide observing campaign (Meech et al., Space Sci. ..... Strazzula, G., and Johnson, R. E.: 1991, in: Newburn, R.L., Neugebauer, M., and  ...

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Jun 22, 2009 ... comet 9P/Tempel 1 on UT 2005 July 04 (A'Hearn et al. ... flyby spacecraft was re- targeted towards comet 103P/Hartley 2 via a close Earth flyby ...

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(A'Hearn!et!al.!1995;!Mumma!&!Charnley!2011;!A'Hearn! et!al.!2012).!It!is!unclear !however!which!properties!of!comets!are!primordial!and!which!are!