Results 91 to 100 of about 902 (203)
Primary Volatiles During the 2010 Apparition of Comet 103P/Hartley-2 as Revealed at Infrared Wavelengths: Production Rates and Spatial Profiles
, 2011 We acquired high resolution near-infrared spectra of comet 103P/Hartley-2 with NIRSPEC at the W. M. Keck Observatory and CRIRES at the ESO VLT, emphasizing primary volatiles before, during, and after the comet's close approach to Earth (July-December ...Lippi, M., Gibb, E. L., Villanueva, G. L., Boehnhardt, H., Ellis, R. S., Keane, J., Paganini, L., Combi, M., Meech, K., Magee-Sauer, K., Mumma, M. J., Blake, G. A., DiSanti, M. A., Bonev, B. P. +13 morecore Infrared Compositional Measurements in Comet C/2017 K2 (Pan-STARRS) at Heliocentric Distances Beyond 2.3 au
The Astronomical JournalComet C/2017 K2 (Pan-STARRS) provided a rare opportunity to investigate the evolution of coma composition and outgassing patterns over a transitional heliocentric distance ( R _h ) range where activity drivers in comets are thought to change from ...Chemeda Ejeta, Erika Gibb, Michael A. DiSanti, Hideyo Kawakita, Boncho P. Bonev, Neil Dello Russo, Nathan X. Roth, Younas Khan, Adam J. McKay, Michael R. Combi, Lori Feaga, Mohammad Saki, Ronald J. Vervack Jr, Yinsi Shou +13 moredoaj +1 more sourceThe Volatile Composition and Activity Evolution of Main-belt Comet 358P/PANSTARRS
The Planetary Science JournalAbstract We report the detection of water vapor associated with main-belt comet 358P/PANSTARRS on UT 2024 January 8–9 using the NIRSPEC instrument on board JWST. We derive a water production rate of Q Henry H. Hsieh, John W. Noonan, Michael S. P. Kelley, Dennis Bodewits, Jana Pittichová, Audrey Thirouin, Marco Micheli, Matthew M. Knight, Michele T. Bannister, Colin O. Chandler, Carrie E. Holt, Matthew J. Hopkins, Yaeji Kim, Nicholas A. Moskovitz, William J. Oldroyd, Jack Patterson, Scott S. Sheppard, Nicole Tan, Chadwick A. Trujillo, Quanzhi 泉志 Ye 叶 +19 moreopenaire +3 more sourcesSummer fireworks on comet 67P
, 2016 International audienceDuring its two years mission around comet 67P/Churyumov-Gerasimenko, ESA's Rosetta spacecraft had the unique opportunity to follow closely a comet in the most active part of its orbit.Rickmann, H., Lin, Z. -Y, Guettler, C., Hofmann, M., Kovacs, G., Thomas, Nicolas, Gutiérrez Marquez, P., Lopez Moreno, J. J.,, Keller, H. U., A'Hearn, M. F.,, Barucci, M.A., Naletto, Giampiero, Lin, Z.-Y., Lamy, P.L., Ip, W., Tubiana, Cecilia, Shi, X., Debei, S., Pajola, M., Lamy, P. L., Vincent, J.B., Kramm, J. -R, De Cecco, M.,, López-Moreno, José Juan, El-Maarry, M., Gutiérrez, J.-P., Küppers, Michael, Guettler, C.,, Knollenberg, Jörg, Lara, L., Massironi, M.,, Baruci, M.A., Kueppers, M., Gicquel, A.,, Tubiana, C., El-Maarry, Mohamed Ramy, Elmaarry, Mohamed Ramy, El-Maarry, M. R., Preusker, Frank, Hviid, Stubbe F., Lara, Luisa María, Vincent, Jean-Baptiste, Groussin, O., Oklay, Nilda, Kueppers, M.,, Lopez moreno, J. J., El-Maarry, M. R.,, Vincent, J. -B, Kuehrt, E.,, Bertaux, J.-L., A'Hearn, Michael F., Kramm, J. R., Koschny, D.,, Davicsson, B., Gutierrez, P. J.,, Bertaux, Jean-Loup, Barbieri, C., Koschny, Detlef, Höfner, S., Thomas, N.,, Groussin, Olivier, A'Hearn, M. F., Pajola, Maurizio, Kovacs, S., Tubiana, C.,, Lamy, P. L.,, El-Maarry, Mohamed R., Gutiérrez, P.J., Lin, Zhong-Yi, Toth, Imre, Vincent, J.-B, Gutierrez-Marquez, P.,, Massironi, M., Gutierrez, P., Ip, W.-H., Fornasier, S., Besse, S., Ip, W. -H, Bodewits, D.,, Scholten, Frank, Jorda, L., Agarwal, J., Barbieri, C.,, Agarwal, Jessica, Rodrigo, R.,, Keller, H.U., Ip, W. -H., Lin, Z., Kramm, J., Keller, Horst U., Bertaux, J., Cremonese, G., Sierks, H.,, Marzari, F.,, Mottola, S.,, Lopez Moreno, J., Hviid, S.F., Küppers, M., Fornasier, Sonia, A'Hearn, M., Knollenberg, J.,, Bertini, I.,, Marzari, F., Lamy, P., Davidsson, B.,, Rodrigo Montero, Rafael, Kuehrt, E., Oklay, N.,, Davidsson, Björn, A'Hearn, M.F., Bertaux, J. -L., Debei, S.,, Preusker, F.,, Sierks, H., Scholten, F., Bertini, Ivano, Keller, H.-U., Lin, Z. Y., Kovacs, .g., Gicquel, Adeline, Davidsson, B., Bertaux, J. -L, Hofmann, M.,, Naletto, G., Fulle, M, El Maarry, M. R., MARZARI, FRANCESCO, Vincent, J.-B., Fulle, M., Shi, X.,, Gutiérrez, P. J., Bodewits, Dennis, Toth, I., Hviid, S., Knollenberg, J., Hoefner, S., Preusker, F., Lamy, Philippe L., Thomas, N., DEBEI, STEFANO, Kührt, E., Vincent, J., Naletto, G.,, Fulle, M.,, De cecco, Mariolino, Hoefner, S.,, Groussin, O.,, Kramm, J.-R., Gutiérrez-Marqués, P., Gutiérrez, Pedro J., Barucci, M., Lara, L.M., Sierks, Holger, Da Deppo, V., Vincent, J. -B., Lamy, P.-L., Rodrigo, R., Gicquel, A., Rickman, H., Jorda, L.,, Deller, J.,, Güttler, C., Barucci, M. A., Barucci, M. A.,, Fulle, Marco, De Cecco, M., Fornasier, S.,, Besse, S.,, Barbieri, Cesare, Lazzarin, M., Lazzarin, M.,, Rickman, Hans, Koschny, D., Oklay, N., Kovacs, G.,, Rickman, Hans,, Bertini, I., Lin, Z. -Y., Deller, J., Scholten, F.,, Lopez Moreno, J.J., Kührt, Ekkehard, Toth, I.,, Kramm, J. -R., Massironi, Matteo, Bodewits, D., Ip, W. H., Lazzarin, Monica, Pajola, M.,, Da Deppo, V.,, Keller, H. U.,, Lara, L. M.,, Bertaux, J. L., Cremonese, Gabriele, Keller, H., Da deppo, Vania, Barucci, Maria A., Höfner, Sebastian, Cremonese, G.,, Mottola, S., Gutiérrez-Marquez, P., Hviid, S. F.,, Lara, L. M., Agarwal, J.,, Thomas, Nicholas, Vincent, J. B., Hviid, S. F. +206 morecore +1 more sourceDevelopment of Primary Volatile Production in COMET C/20O9 Pl (GARRADD) During its 2011-2O12 Apparition
, 2012 We quantified primary volatiles in comet C/2009 Pl (Garradd) through pre- and post-perihelion observations acquired during its apparition in 2011-12 [1,2,3]. Detected volatiles include H2O, CO, CH4, C2H2, C2H6, HCN, NH3, H2CO, and CH3OH.Lippi, M., Paganini, L., Villanueva, G. L., Mumma, M. J., Boehnhardt, H., Blake, G. A., DiSanti, M. A., Meech, K. J., Keane, J. V., Bonev, B. P. +9 morecore The Ice Chemistry in Comets and Planet-forming Disks: Statistical Comparison of CH3OH, H2CO, and NH3 Abundance Ratios
The Astrophysical Journal LettersComets are frozen remnants of our solar system’s formation, and comparing their chemical composition to that of planet-forming systems can reveal crucial insights about our origins, potentially answering one of the most challenging questions in planetary Manuela Lippi, Linda Podio, Claudio Codella, Sara Faggi, Marta De Simone, Geronimo L. Villanueva, Michael J. Mumma, Cecilia Ceccarelli +7 moredoaj +1 more sourceThe Volatile Composition of Comet 17P/Holmes after Its Extraordinary Outburst
The Astrophysical Journal, 2008 The volatile abundances in comet 17P/Holmes were measured on three dates (UT 2007 October 27.6 and 31.3 and November 2.3) using high-dispersion (λ/Δ λ ~ 2.5 × 104) infrared spectroscopy with NIRSPEC at the W. M. Keck Observatory and CSHELL at the NASA Infrared Telescope Facility.Russo, N. Dello, Vervack, R. J., Jr., Weaver, H. A., Montgomery, M. M., Deshpande, R., Fernández, Y. R., Martin, E. L. +6 moreopenaire +3 more sources
