Search Results - "Folkner, W. M."

Jupiter’s atmospheric jet streams extend thousands of kilometres deep by Kaspi, Y., Galanti, E., Hubbard, W. B., Stevenson, D. J., Bolton, S. J., Iess, L., Guillot, T., Bloxham, J., Connerney, J. E. P., Cao, H., Durante, D., Folkner, W. M., Helled, R., Ingersoll, A. P., Levin, S. M., Lunine, J. I., Miguel, Y., Militzer, B., Parisi, M., Wahl, S. M.

“…The determination of Jupiter’s odd gravitational harmonics by the Juno spacecraft reveals that the observed jet streams extend to about three thousand…”
Get full text

A suppression of differential rotation in Jupiter’s deep interior by Guillot, T., Miguel, Y., Militzer, B., Hubbard, W. B., Kaspi, Y., Galanti, E., Cao, H., Helled, R., Wahl, S. M., Iess, L., Folkner, W. M., Stevenson, D. J., Lunine, J. I., Reese, D. R., Biekman, A., Parisi, M., Durante, D., Connerney, J. E. P., Levin, S. M., Bolton, S. J.

“…The determination of Jupiter’s even gravitational moments by the Juno spacecraft reveals that more than three thousand kilometres below the cloud tops,…”
Get full text

Measurement of Jupiter’s asymmetric gravity field by Iess, L., Folkner, W. M., Durante, D., Parisi, M., Kaspi, Y., Galanti, E., Guillot, T., Hubbard, W. B., Stevenson, D. J., Anderson, J. D., Buccino, D. R., Casajus, L. Gomez, Milani, A., Park, R., Racioppa, P., Serra, D., Tortora, P., Zannoni, M., Cao, H., Helled, R., Lunine, J. I., Miguel, Y., Militzer, B., Wahl, S., Connerney, J. E. P., Levin, S. M., Bolton, S. J.

“…Precise Doppler tracking of the Juno spacecraft in its polar orbit around Jupiter is used to determine the planet’s gravity harmonics, showing north–south…”
Get full text

Jupiter gravity field estimated from the first two Juno orbits by Folkner, W. M., Iess, L., Anderson, J. D., Asmar, S. W., Buccino, D. R., Durante, D., Feldman, M., Gomez Casajus, L., Gregnanin, M., Milani, A., Parisi, M., Park, R. S., Serra, D., Tommei, G., Tortora, P., Zannoni, M., Bolton, S. J., Connerney, J. E. P., Levin, S. M.

“…The combination of the Doppler data from the first two Juno science orbits provides an improved estimate of the gravity field of Jupiter, crucial for interior…”
Get full text

Fluid Core Size of Mars from Detection of the Solar Tide by Yoder, C. F., Konopliv, A. S., Yuan, D. N., Standish, E. M., Folkner, W. M.

“…The solar tidal deformation of Mars, measured by its k2potential Love number, has been obtained from an analysis of Mars Global Surveyor radio tracking. The…”
Get full text

The vertical profile of winds on Titan by Bird, M. K, Plettemeier, D, Preston, R. A, Gurvits, L. I, Allison, M, Dzierma, Y, Pogrebenko, S. V, Atkinson, D. H, Folkner, W. M, Tyler, G. L, Dutta-Roy, R, Asmar, S. W, Johnston, D. V, Edenhofer, P, Avruch, I. M

“…One of Titan's most intriguing attributes is its copious but featureless atmosphere. The Voyager 1 fly-by and occultation in 1980 provided the first radial…”
Get full text

Alternative mission architectures for a gravity recovery satellite mission by Wiese, D. N., Folkner, W. M., Nerem, R. S.

“…Since its launch in 2002, the Gravity Recovery and Climate Experiment (GRACE) mission has been providing measurements of the time-varying Earth gravity field…”
Get full text

Interior Structure and Seasonal Mass Redistribution of Mars from Radio Tracking of Mars Pathfinder by Folkner, W. M., Yoder, C. F., Yuan, D. N., Standish, E. M., Preston, R. A.

“…Doppler and range measurements to the Mars Pathfinder lander made using its radio communications system have been combined with similar measurements from the…”
Get full text

Jupiter's Gravity Field Halfway Through the Juno Mission by Durante, D., Parisi, M., Serra, D., Zannoni, M., Notaro, V., Racioppa, P., Buccino, D. R., Lari, G., Gomez Casajus, L., Iess, L., Folkner, W. M., Tommei, G., Tortora, P., Bolton, S. J.

“…The Juno spacecraft reached the mid‐point of its nominal mission in December 2018, after completing 17 perijove passes. Ten of these were dedicated to the…”
Get full text

Overview of the Mars Pathfinder Mission and Assessment of Landing Site Predictions by Golombek, M. P., Cook, R. A., Economou, T., Folkner, W. M., Haldemann, A. F. C., Kallemeyn, P. H., Knudsen, J. M., Manning, R. M., Moore, H. J., Parker, T. J., Rieder, R., Schofield, J. T., Smith, P. H., Vaughan, R. M.

“…Chemical analyses returned by Mars Pathfinder indicate that some rocks may be high in silica, implying differentiated parent materials. Rounded pebbles and…”
Get full text

Winds on Titan from ground-based tracking of the Huygens probe by Folkner, W. M., Asmar, S. W., Border, J. S., Franklin, G. W., Finley, S. G., Gorelik, J., Johnston, D. V., Kerzhanovich, V. V., Lowe, S. T., Preston, R. A., Bird, M. K., Dutta-Roy, R., Allison, M., Atkinson, D. H., Edenhofer, P., Plettemeier, D., Tyler, G. L.

“…Large radio telescopes on Earth tracked the radio signal transmitted by the Huygens probe during its mission at Titan. Frequency measurements were conducted as…”
Get full text

Intersatellite laser ranging instrument for the GRACE follow-on mission by Sheard, B. S., Heinzel, G., Danzmann, K., Shaddock, D. A., Klipstein, W. M., Folkner, W. M.

“…The Gravity Recovery and Climate Experiment (GRACE) has demonstrated that low–low satellite-to-satellite tracking enables monitoring the time variations of the…”
Get full text

Constraints on modified Newtonian dynamics theories from radio tracking data of the Cassini spacecraft by Hees, A., Folkner, W. M., Jacobson, R. A., Park, R. S.

“…The modified Newtonian dynamics (MOND) is an attempt to modify the gravitation theory to solve the dark matter problem. This phenomenology is very successful…”
Get full text

Mission analysis for the Laser Interferometer Space Antenna (LISA) mission by Hechler, F., Folkner, W.M.

“…The interplanetary orbits of three pairs of spacecraft, forming three laser interferometers, are designed such that their separations, i.e. the lengths of the…”
Get full text

Jupiter spin-pole precession rate and moment of inertia from Juno radio-science observations by Le Maistre, S., Folkner, W.M., Jacobson, R.A., Serra, D.

“…Through detailed and realistic numerical simulations, the present paper assesses the precision with which the Juno spacecraft can measure the normalized polar…”
Get full text

The Huygens Doppler Wind Experiment ' Titan Winds Derived from Probe Radio Frequency Measurements by Bird, M K, Dutta-Roy, R, Heyl, M, Allison, M, Asmar, S W, Folkner, WM, Preston, R A, Atkinson, D H, Edenhofer, P, Plettemeier, D, Wohlmuth, R, Iess, L, Tyler, G L

“…A Doppler Wind Experiment (DWE) will be performed during the Titan atmospheric descent of the ESA Huygens Probe. The direction and strength of Titan's zonal…”
Get full text

Earth-Based Radio Tracking of the Galileo Probe for Jupiter Wind Estimation by Folkner, W. M., Preston, R. A., Border, J. S., Navarro, J., Wilson, W. E., Oestreich, M.

“…Although the Galileo probe was designed to communicate only to the orbiter, the probe radio signal was detected at two Earth-based radio observatories where…”
Get full text

Ammonia abundance in Jupiter's atmosphere derived from the attenuation of the Galileo probe's radio signal by Folkner, W. M., Woo, R., Nandi, S.

“…The radio signal from the Galileo probe to the orbiter experienced attenuation due to ammonia in Jupiter's atmosphere during the probe descent. A profile of…”
Get full text

The NANOGrav 11 Year Data Set: Pulsar-timing Constraints on the Stochastic Gravitational-wave Background by Arzoumanian, Z., Baker, P. T., Brazier, A., Burke-Spolaor, S., Chamberlin, S. J., Chatterjee, S., Christy, B., Cordes, J. M., Cornish, N. J., Crawford, F., Cromartie, H. Thankful, Crowter, K., DeCesar, M., Demorest, P. B., Dolch, T., Ellis, J. A., Ferdman, R. D., Ferrara, E., Folkner, W. M., Fonseca, E., Garver-Daniels, N., Gentile, P. A., Haas, R., Hazboun, J. S., Huerta, E. A., Islo, K., Jones, G., Jones, M. L., Kaplan, D. L., Kaspi, V. M., Lam, M. T., Lazio, T. J. W., Levin, L., Lommen, A. N., Lorimer, D. R., Luo, J., Lynch, R. S., Madison, D. R., McLaughlin, M. A., McWilliams, S. T., Mingarelli, C. M. F., Ng, C., Nice, D. J., Park, R. S., Pennucci, T. T., Pol, N. S., Ransom, S. M., Ray, P. S., Rasskazov, A., Siemens, X., Simon, J., Spiewak, R., Stairs, I. H., Stinebring, D. R., Stovall, K., Swiggum, J., Taylor, S. R., Vallisneri, M., Haasteren, R. van, Vigeland, S., Zhu, W. W.

“…We search for an isotropic stochastic gravitational-wave background (GWB) in the newly released 11 year data set from the North American Nanohertz Observatory…”
Get full text

Modeling the Uncertainties of Solar System Ephemerides for Robust Gravitational-wave Searches with Pulsar-timing Arrays by Vallisneri, M., Taylor, S. R., Simon, J., Folkner, W. M., Park, R. S., Cutler, C., Ellis, J. A., Lazio, T. J. W., Vigeland, S. J., Aggarwal, K., Arzoumanian, Z., Baker, P. T., Brazier, A., Brook, P. R., Burke-Spolaor, S., Chatterjee, S., Cordes, J. M., Cornish, N. J., Crawford, F., Cromartie, H. T., Crowter, K., DeCesar, M., Demorest, P. B., Dolch, T., Ferdman, R. D., Ferrara, E. C., Fonseca, E., Garver-Daniels, N., Gentile, P., Good, D., Hazboun, J. S., Holgado, A. M., Huerta, E. A., Islo, K., Jennings, R., Jones, G., Jones, M. L., Kaplan, D. L., Kelley, L. Z., Key, J. S., Lam, M. T., Levin, L., Lorimer, D. R., Luo, J., Lynch, R. S., Madison, D. R., McLaughlin, M. A., McWilliams, S. T., Mingarelli, C. M. F., Ng, C., Nice, D. J., Pennucci, T. T., Pol, N. S., Ransom, S. M., Ray, P. S., Siemens, X., Spiewak, R., Stairs, I. H., Stinebring, D. R., Stovall, K., Swiggum, J. K., van Haasteren, R., Witt, C. A., Zhu, W. W.

“…The regularity of pulsar emissions becomes apparent once we reference the pulses' times of arrivals to the inertial rest frame of the solar system. It follows…”
Get full text