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Chandra, XMM-Newton and HST observations of a transient in M31 with a possible asymmetric, precessing disc
Murray, S. S.; Garcia, M. R.; Barnard, R.
The transient X-ray source CXOM31 004205.77+411330.43 exhibited several outbursts during our long-term monitoring campaign of approximately monthly observations of the M31 centre with Chandra. However, the decay profile appears to be unlike those observed from Galactic transients. We followed up the 2011 outburst with two ∼B band HST/ACS observati…
Dose Measured On-Board INTEGRAL After More Than 12 Years in Space
Laurent, Philippe; Savchenko, Volodymyr; Sauvageon, Aymeric +1 more
X-ray photometry
Page, M. J.
I describe a method for synthesizing photometric passbands for use with current and future X-ray instruments. The method permits the standardization of X-ray passbands and thus X-ray photometry between different instruments and missions. The method is illustrated by synthesizing a passband in the XMM-Newton European Photon Imaging Camera pn which …
Rosetta Images of Comet 67P/Churyumov-Gerasimenko: Inferences from Its Terrain and Structure
Wallis, M. K.; Wickramasinghe, N. C.
Erratum: X-ray coherent pulsations during a sub-luminous accretion disc state of the transitional millisecond pulsar XSS J12270-4859
de Martino, D.; Torres, D. F.; Pellizzoni, A. +4 more
Shock wave driven by CME evidenced by metric type II burst and EUV wave
Selhorst, C. L.; Cunha-Silva, R. D.; Fernandes, F. C. R.
Solar type II radio bursts are produced by plasma oscillations in the solar corona as a result of shock waves. The relationship between type II bursts and coronal shocks is well evidenced by observations since the 1960s. However, the drivers of the shocks associated with type II events at metric wavelengths remain as a controversial issue among so…
Interpreting Ulysses data using inverse scattering theory: Oblique Alfvén waves
Wheeler, Harry R.; Reynolds, M. A.; Hamilton, R. L.
Solitary wave structures observed by the Ulysses spacecraft in the solar wind were analyzed using both inverse scattering theory and direct numerical integration of the derivative nonlinear Schrödinger (DNLS) equation. Several of these structures were found to be consistent with soliton solutions of the DNLS equation. Such solitary structures have…
Relating field-aligned beams to inverted-V structures and visible auroras
Dandouras, I.; Rème, H.; Parks, G. K. +5 more
The ion composition experiment on Cluster measures 3-D distributions in one spin of the spacecraft (4 s). These distributions often measure field-aligned ion beams (H+, He+ and O+) accelerated out of the ionosphere. The standard model of these beams relies on a quasi-static U-shaped potential model. The beams conta…
Dust processing in the Carina nebula region
Onaka, Takashi; Okada, Yoko; Mori, Tamami I.
Dust processing in the Carina nebula is investigated based on mid- to far-infrared spectroscopy with Infrared Space Observatory (ISO). Mapping observations over a central 40‧ ×20‧ area of the nebula with PHT-S, SWS, and LWS onboard ISO not only reveal spectroscopically that the mid-infrared unidentified infrared (UIR) bands a…
Philae data haul reveals comet's grainy make-up
Aron, Jacob