Authors: C. Fechner.<br />Astronomy & Astrophysics Vol. 532 , page A62<br />Published online: 22/07/2011<br />
Keywords:
intergalactic medium ; quasars: absorption lines ; diffuse radiation.
Category Archives: Astro Physics
On the possibility of constraining cosmic topology from the celestial distribution of astronomical objects
Authors: H. Fujii and Y. Yoshii.<br />Astronomy & Astrophysics Vol. 531 , page A171<br />Published online: 08/07/2011<br />
Keywords:
cosmology: theory ; large scale structure of Universe.
Two very nearby (d ~ 5 pc) ultracool brown dwarfs detected by their large proper motions from WISE, 2MASS, and SDSS data?
Authors: R.-D. Scholz, G. Bihain, O. Schnurr and J. Storm.<br />Astronomy & Astrophysics Vol. 532 , page L5<br />Published online: 18/07/2011<br />
Keywords:
astrometry ; proper motions ; stars: distances ; stars: kinematics and dynamics ; brown dwarfs ; solar neighborhood.
Particle transport in intense small-scale magnetic turbulence with a mean field
Authors: I. Plotnikov, G. Pelletier and M. Lemoine.<br />Astronomy & Astrophysics Vol. 532 , page A68<br />Published online: 22/07/2011<br />
Keywords:
magnetic fields ; diffusion ; scattering ; turbulence ; methods: analytical ; methods: numerical.
Is GRB 050904 at z = 6.3 absorbed by dust?
Authors: G. Stratta, S. Gallerani and R. Maiolino.<br />Astronomy & Astrophysics Vol. 532 , page A45<br />Published online: 21/07/2011<br />
Keywords:
dust, extinction ; gamma-ray burst: individual: GRB 050904.
Mutual occultations between Galilean satellites observed at Yunnan Observatory in 2009?
Authors: X. L. Zhang, J.-E. Arlot and Z. Liu.<br />Astronomy & Astrophysics Vol. 532 , page A36<br />Published online: 19/07/2011<br />
Keywords:
techniques: photometric ; occultations ; planets and satellites: dynamical evolution and stability ; celestial mechanics.
The remnant of SN?1987A revealed at (sub-)mm wavelengths?
Authors: M. Laki?evi?, J. Th. van Loon, F. Patat, L. Staveley-Smith and G. Zanardo.<br />Astronomy & Astrophysics Vol. 532 , page L8<br />Published online: 22/07/2011<br />
Keywords:
ISM: supernova remnants ; ISM: individual objects: SN 1987A ; radio continuum: ISM ; submillimeter: ISM ; infrared: ISM.
Discovery of the X-ray selected galaxy cluster XMMU?J0338.8+0021 at z = 1.49
Authors: A. Nastasi, R. Fassbender, H. Böhringer, R. Šuhada, P. Rosati, D. Pierini, M. Verdugo, J. S. Santos, A. D. Schwope, A. de Hoon, J. Kohnert, G. Lamer, M. Mühlegger and H. Quintana.<br />Astronomy & Astrophysics Vol. 532 , page L6<br />Published online: 21/07/2011<br />
Keywords:
galaxies: clusters: general ; X-rays: general.
Inhomogeneities in molecular layers of Mira atmospheres???
Authors: M. Wittkowski, D. A. Boboltz, M. Ireland, I. Karovicova, K. Ohnaka, M. Scholz, F. van Wyk, P. Whitelock, P. R. Wood and A. A. Zijlstra.<br />Astronomy & Astrophysics Vol. 532 , page L7<br />Published online: 21/07/2011<br />
Keywords:
techniques: interferometric ; techniques: photometric ; stars: AGB and post-AGB ; stars: atmospheres ; stars: fundamental parameters ; stars: mass-loss.
The Na D profiles of nearby low-power radio sources: jets powering outflows?
Authors: M. D. Lehnert, C. Tasse, N. P. H. Nesvadba, P. N. Best and W. van Driel.<br />Astronomy & Astrophysics Vol. 532 , page L3<br />Published online: 14/07/2011<br />
Keywords:
galaxies: evolution ; galaxies: ISM ; galaxies: jets ; galaxies: kinematics and dynamics.
Strong chaos induced by close encounters with Ceres and Vesta
Authors: J. Laskar, M. Gastineau, J.-B. Delisle, A. Farrés and A. Fienga.<br />Astronomy & Astrophysics Vol. 532 , page L4<br />Published online: 14/07/2011<br />
Keywords:
chaos ; methods: numerical ; celestial mechanics ; planets and satellites: dynamical evolution and stability ; minor planets, asteroids: individual: Ceres ; minor planets, asteroids: individual: Vesta.
Diagnostics of electron beam properties from the simultaneous hard X-ray and microwave emission in the 2001 March 10 flare
Authors: V. V. Zharkova, N. S. Meshalkina, L. K. Kashapova, A. A. Kuznetsov and A. T. Altyntsev.<br />Astronomy & Astrophysics Vol. 532 , page A17<br />Published online: 13/07/2011<br />
Keywords:
Sun: flares ; Sun: radio radiation ; Sun: X-rays, gamma rays ; polarization ; scattering.
Modeling nearby FGK Population I stars: A new form of estimating stellar parameters using an optimization approach
Authors: J. M. Fernandes, A. I. F. Vaz and L. N. Vicente.<br />Astronomy & Astrophysics Vol. 532 , page A20<br />Published online: 13/07/2011<br />
Keywords:
methods: numerical ; stars: fundamental parameters ; Hertzsprung-Russell (HR) and C-M diagrams ; planetary systems.
The close circumstellar environment of Betelgeuse
Authors: P. Kervella, G. Perrin, A. Chiavassa, S. T. Ridgway, J. Cami, X. Haubois and T. Verhoelst.<br />Astronomy & Astrophysics Vol. 531 , page A117<br />Published online: 23/06/2011<br />
Keywords:
stars: individual: Betelgeuse ; stars: imaging ; supergiants ; circumstellar matter ; stars: mass-loss ; infrared: stars.
A search for radio pulsations from neutron star companions of four subdwarf B stars
Authors: T. Coenen, J. van Leeuwen and I. H. Stairs.<br />Astronomy & Astrophysics Vol. 531 , page A125<br />Published online: 28/06/2011<br />
Keywords:
stars: neutron ; pulsars: general ; subdwarfs.
Network velocity gradients in the photosphere
Authors: G. Molodij, V. Bommier and J. Rayrole.<br />Astronomy & Astrophysics Vol. 531 , page A139<br />Published online: 01/07/2011<br />
Keywords:
Sun: photosphere ; line: profiles ; magnetic fields ; instrumentation: polarimeters.
A new study of the supernova remnant G344.7-0.1 located in the vicinity of the unidentified TeV source HESS J1702-420
Authors: E. Giacani, M. J. S. Smith, G. Dubner and N. Loiseau.<br />Astronomy & Astrophysics Vol. 531 , page A138<br />Published online: 01/07/2011<br />
Keywords:
ISM: supernova remnants ; ISM: individual objects: G344.7 ? 0.1 ; gamma rays: ISM ; X-rays: individuals: HESS J1702-420.
VLT observations of the candidate counterpart to PSR?J0108?1431?
Authors: R. P. Mignani, G. G. Pavlov and O. Kargaltsev.<br />Astronomy & Astrophysics Vol. 531 , page A105<br />Published online: 22/06/2011<br />
Keywords:
stars: neutron ; pulsars: individual: PSR J0108 ? 1431.
Azimuthal variations of magnetic field strength and inclination on penumbral boundaries
Authors: J. Jur?ák.<br />Astronomy & Astrophysics Vol. 531 , page A118<br />Published online: 24/06/2011<br />
Keywords:
sunspots ; Sun: photosphere ; Sun: magnetic topology ; techniques: polarimetric.
The evolution of early-type galaxies selected by their spatial clustering
Authors: N. Padilla, D. Christlein, E. Gawiser and D. Marchesini.<br />Astronomy & Astrophysics Vol. 531 , page A142<br />Published online: 01/07/2011<br />
Keywords:
galaxies: evolution ; galaxies: formation ; cosmology: observations.