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An auroral westward flow channel (AWFC) and its relationship to field-aligned current, ring current, and plasmapause location determined using multiple spacecraft observations
Wild, J. A.; Lester, M.; Lucek, E. A. +3 more
An auroral westward flow channel (AWFC) is a latitudinally narrow channel of unstable F-region plasma with intense westward drift in the dusk-to-midnight sector ionosphere. AWFCs tend to overlap the equatorward edge of the auroral oval, and their life cycle is often synchronised to that of substorms: they commence close to substorm expansion phase…
SMART-1 operations experience and lessons learnt
Camino, Octavio; Alonso, Maria; Gestal, Daniel +8 more
SMART-1 is the first of a series of ESA Small Missions for Advance Research and Technology where elements of the platform and the payload technology have been conceived as a demonstration for future cornerstone missions and an early opportunity for science. SMART-1 has also been an opportunity to experiment with new ways of conducting ground opera…
Witnessing the formation of a brightest cluster galaxy at z > 2
Ford, Holland C.; Miley, George K.; Overzier, Roderik A.
We present deep observations taken with the HST advanced camera for surveys of the central massive galaxy in a forming cluster at z = 2.2. The galaxy hosting the powerful radio source MRC 1138-262 is associated with one of the most extensive merger systems known in the early universe. Our HST/ACS image shows many star-forming galaxies merging with…
Observational Features of Large-Scale Structures as Revealed by the Catastrophe Model of Solar Eruptions
Lin, Jun
Large-scale magnetic structures are the main carrier of major eruptions in the solar atmosphere. These structures are rooted in the photosphere and are driven by the unceasing motion of the photospheric material through a series of equilibrium configurations. The motion brings energy into the coronal magnetic field until the system ceases to be in…
Evidence for Deuterium Astration in the Planetary Nebula Sh 2-216?
Rauch, Thomas; Chayer, Pierre; Kruk, Jeffrey W. +2 more
We present FUSE observations of the line of sight to WD 0439+466 (LS V +46 21), the central star of the old planetary nebula Sh 2-216. The FUSE data show absorption by many interstellar and stellar lines, in particular D I, H2 (J=0-9), HD J=0-1, and CO. Many other stellar and ISM lines are detected in the STIS E140M HST spectra of this …
AGN counts at 15µm. XMM observations of the ELAIS-S1-5 sample
Pozzi, F.; Fiore, F.; Gruppioni, C. +7 more
Context: The counts of galaxies and AGN in the mid infra-red (MIR) bands are important instruments for studying their cosmological evolution. However, the classic spectral line ratios techniques can become misleading when trying to properly separate AGN from starbursts or even from apparently normal galaxies.
Aims: We use X-ray band observatio…
Localized “Jets” of Jovian electrons observed during Ulysses’ distant Jupiter flyby in 2003 2004
Kunow, H.; Heber, B.; McKibben, R. B. +2 more
We report observations of strongly anisotropic flows of electron events originating from Jupiter that were observed during Ulysses distant Jupiter flyby. A scan of the period January 1, 2003 through February 8, 2005 (extending roughly 13 months before and after the closest approach of 0.8 AU in early 2004) identified a total of 15 events with sign…
RX J0042.3+4115: a stellar mass black hole binary identified in M 31, and other papers
Osborne, J. P.; Barnard, R.; Kolb, U. C.
Correction to ``Orientation and motion of a plasma discontinuity from single-spacecraft measurements: Generic residue analysis of Cluster data''
Balogh, A.; RèMe, H.; Dunlop, M. W. +3 more
Magnetic coupling of the Sun Earth system The view from STEREO
Culhane, J. L.; Matthews, S. A.
The STEREO mission, launched on October 25 2006, will provide the first stereoscopic view of the Sun and its magnetic environment. A suite of identical instruments on two continuously separating spacecraft will monitor the onset of solar eruptive phenomena, and track them as the shocks and ejected material propagate through the interplanetary medi…