Search Results - "Laming, J. M"

Optical Tomography of Chemical Elements Synthesized in Type Ia Supernovae by Seitenzahl, I R, Ghavamian, P, Laming, J M, Vogt, F P A

“…We report the discovery of optical emission from the nonradiative shocked ejecta of three young type Ia supernova remnants (SNRs): SNR 0519-69.0, SNR…”
Get full text

Searching for Evidence of Subchromospheric Magnetic Reconnection on the Sun by Baker, D., van Driel-Gesztelyi, L., James, A. W., Démoulin, P., To, A. S. H., Murabito, M., Long, D. M., Brooks, D. H., McKevitt, J., Laming, J. M., Green, L. M., Yardley, S. L., Valori, G., Mihailescu, T., Matthews, S. A., Kuniyoshi, H.

“…Abstract Within the coronae of stars, abundances of those elements with low first ionization potential (FIP) often differ from their photospheric values. The…”
Get full text

Shockingly Bright Warm Carbon Monoxide Molecular Features in the Supernova Remnant Cassiopeia A Revealed by JWST by Rho, J., Park, S.-H., Arendt, R., Matsuura, M., Milisavljevic, D., Temim, T., De Looze, I., Blair, W. P., Rest, A., Fox, O., Ravi, A. P., Koo, B.-C., Barlow, M., Burrows, A., Chevalier, R., Clayton, G., Fesen, R., Fransson, C., Fryer, C., Gomez, H. L., Janka, H.-T., Kirchschlager, F., Laming, J. M., Orlando, S., Patnaude, D., Pavlov, G., Plucinsky, P., Posselt, B., Priestley, F., Raymond, J., Sartorio, N., Schmidt, F., Slane, P., Smith, N., Sravan, N., Vink, J., Weil, K., Wheeler, J., Yoon, S. C.

“…Abstract We present JWST NIRCam (F356W and F444W filters) and MIRI (F770W) images and NIRSpec Integral Field Unit (IFU) spectroscopy of the young Galactic…”
Get full text

A Deep Chandra Observation of Kepler's Supernova Remnant: A Type Ia Event with Circumstellar Interaction by Reynolds, Stephen P, Borkowski, Kazimierz J, Hwang, Una, Hughes, John P, Badenes, Carles, Laming, J. M, Blondin, J. M

“…We present initial results of a 750 ks Chandra observation of the remnant of Kepler's supernova of AD 1604. The strength and prominence of Iron emission,…”
Get full text

Non-Maxwellian Proton Velocity Distributions in Nonradiative Shocks by Raymond, J. C, Isenberg, Philip A, Laming, J. M

“…The Balmer line profiles of nonradiative supernova remnant shocks provide the means to measure the postshock proton velocity distribution. While most analyses…”
Get full text

X-Ray Spectroscopic Diagnosis of a Wind-Collimated Blast Wave and Metal-Rich Ejecta from the 2006 Explosion of RS Ophiuchi by Drake, Jeremy J, Laming, J. M, Ness, J.-U, Orlando, S, Starrfield, S, Beardmore, A. P, Bode, M. F, Evans, A, Eyres, S. P. S, Gehrz, R. D, Goad, M. R, Gonzalez-Riestra, R, Krautter, J, O'Brien, T. J, Osborne, J. P, Page, K. L, Schwarz, G, Woodward, C. E

“…Chandra HETG observations of RS Ophiuchi at day 13.9 of the 2006 outburst reveal a rich spectrum of emission lines from abundant ions formed over a wide…”
Get full text

Element Abundances in the Upper Atmospheres of the Sun and Stars: Update of Observational Results by Feldman, U, Laming, J M

Get full text

Reflection of Fast Magnetosonic Waves near a Magnetic Reconnection Region by Provornikova, E., Laming, J. M., Lukin, V. S.

“…Magnetic reconnection in the solar corona is thought to be unstable with the formation of multiple interacting plasmoids, and previous studies have shown that…”
Get full text

PONDEROMOTIVE ACCELERATION IN CORONAL LOOPS by Dahlburg, R. B., Laming, J. M., Taylor, B. D., Obenschain, K.

“…ABSTRACT Ponderomotive acceleration has been asserted to be a cause of the first ionization potential (FIP) effect, the well-known enhancement in abundance by…”
Get full text

PLASMA COMPRESSION IN MAGNETIC RECONNECTION REGIONS IN THE SOLAR CORONA by Provornikova, E., Laming, J. M., Lukin, V. S.

“…ABSTRACT It has been proposed that particles bouncing between magnetized flows converging in a reconnection region can be accelerated by the first-order Fermi…”
Get full text

Helium Abundance in High-Temperature Solar Flare Plasmas by Feldman, U, Landi, E, Laming, J. M

“…In the present work we use emission from dense plasmas late in the decay phase of flares, while the plasmas are still hot [(2-4) x 10 super(6) K], to determine…”
Get full text

The Solar Helium Abundance in the Outer Corona Determined from Observations with SUMER/SOHO by Laming, J. M, Feldman, U

Get full text

Coronal Composition above the Solar Equator and the North Pole as Determined from Spectra Acquired by the SUMER Instrument on SOHO by Feldman, U, Schühle, U, Widing, K. G, Laming, J. M

Get full text

Ion-Ion Equilibration and Particle Distributions in a 3000 km s−1 Shock in SN 1006 by Raymond, J. C., Winkler, P. F., Blair, W. P., Laming, J. M.

“…SN 1006 is the most attractive target for investigating the physics of collisionless shock waves faster than 2000 . We obtained UV and optical spectra and an H…”
Get full text

Efficient multi-keV underdense laser-produced plasma radiators by Back, C A, Grun, J, Decker, C, Suter, L J, Davis, J, Landen, O L, Wallace, R, Hsing, W W, Laming, J M, Feldman, U, Miller, M C, Wuest, C

“…Novel, efficient x-ray sources have been created by supersonically heating a large volume of Xe gas. A laser-induced bleaching wave quickly ionizes the high- Z…”
Get full text

Magnesium isotopes of the bulk solar wind from Genesis diamond‐like carbon films by Jurewicz, A. J. G., Rieck, K. D., Hervig, R., Burnett, D. S., Wadhwa, M., Olinger, C. T., Wiens, R. C., Laming, J. M., Guan, Y., Huss, G. R., Reisenfeld, D. B., Williams, P.

“…NASA's Genesis Mission returned solar wind (SW) to the Earth for analysis to derive the composition of the solar photosphere from solar material. SW analyses…”
Get full text

Properties of Solar Polar Coronal Hole Plasmas Observed above the Limb by Doschek, G. A, Feldman, U, Laming, J. M, Schühle, U, Wilhelm, K

Get full text

A Unified Picture of the First Ionization Potential and Inverse First Ionization Potential Effects by Laming, J. Martin

“…We discuss models for coronal abundance anomalies observed in the coronae of the sun and other late-type stars following a scenario first introduced by…”
Get full text

Stellar Coronal Abundances at Intermediate-Activity Levels: ξ UMa by Ball, B, Drake, Jeremy J, Lin, L, Kashyap, V, Laming, J. M, García-Alvarez, D

Get full text

Emission-Line Intensity Ratios in Fe XVII Observed with a Microcalorimeter on an Electron Beam Ion Trap by Laming, J. M, Kink, I, Takacs, E, Porto, J. V, Gillaspy, J. D, Silver, E. H, Schnopper, H. W, Bandler, S. R, Brickhouse, N. S, Murray, S. S, Barbera, M, Bhatia, A. K, Doschek, G. A, Madden, N, Landis, D, Beeman, J, Haller, E. E

Get full text