Twelve-hour spikes from the Crab Pevatron

Authors: M. Balbo, R. Walter, C. Ferrigno and P. Bordas.<br />Astronomy & Astrophysics Vol. 527 , page L4<br />Published online: 31/01/2011<br />
Keywords:
acceleration of particles ; astroparticle physics ; magnetic fields ; pulsars: individual: Crab ; gamma rays: stars ; X-rays: stars.

The retrograde orbit of the HAT-P-6b exoplanet???

Authors: G. Hébrard, D. Ehrenreich, F. Bouchy, X. Delfosse, C. Moutou, L. Arnold, I. Boisse, X. Bonfils, R. F. Díaz, A. Eggenberger, T. Forveille, A.-M. Lagrange, C. Lovis, F. Pepe, C. Perrier, D. Queloz, A. Santerne, N. C. Santos, D. Ségransan, S. Udry and A. Vidal-Madjar.<br />Astronomy & Astrophysics Vol. 527 , page L11<br />Published online: 09/02/2011<br />
Keywords:
planets and satellites: dynamical evolution and stability ; techniques: radial velocities ; planetary systems ; stars: individual: HAT-P-6.

An asteroseismic study of the O9V star HD?46202 from CoRoT space-based photometry?

Authors: M. Briquet, C. Aerts, A. Baglin, M. F. Nieva, P. Degroote, N. Przybilla, A. Noels, F. Schiller, M. Vu?kovi?, R. Oreiro, K. Smolders, M. Auvergne, F. Baudin, C. Catala, E. Michel and R. Samadi.<br />Astronomy & Astrophysics Vol. 527 , page A112<br />Published online: 04/02/2011<br />
Keywords:
asteroseismology ; stars: oscillations ; stars: variables: general ; stars: early-type ; stars: individual: HD 46202.

Strong radial segregation between sub-populations of evolutionary homogeneous stars in the Galactic globular cluster NGC?6752?

Authors: V. Kravtsov, G. Alcaíno, G. Marconi and F. Alvarado.<br />Astronomy & Astrophysics Vol. 527 , page L9<br />Published online: 08/02/2011<br />
Keywords:
globular clusters: general ; globular clusters: individual: MGC 6752 ; globular clusters: individual: NGC 3201 ; globular clusters: individual: NGC 1261.

Asymmetries in the type IIn SN 2010jl?

Authors: F. Patat, S. Taubenberger, S. Benetti, A. Pastorello and A. Harutyunyan.<br />Astronomy & Astrophysics Vol. 527 , page L6<br />Published online: 02/02/2011<br />
Keywords:
supernovae: general ; supernovae: individual: SN 2010jl ; dust, extinction ; techniques: polarimetric.

Two planets orbiting the recently formed post-common envelope binary NN Serpentis*

Authors: K. Beuermann, F. V. Hessman, S. Dreizler, T. R. Marsh, S. G. Parsons, D. E. Winget, G. F. Miller, M. R. Schreiber, W. Kley, V. S. Dhillon, S. P. Littlefair, C. M. Copperwheat and J. J. Hermes.<br />Astronomy and Astrophysics Vol. 521 , page L60<br />Published online: 21/10/2010<br />
Keywords:
binaries: eclipsing ; planetary systems ; stars: individual: NN Ser ; novae ; cataclysmic variables ; planets and satellites: formation ; stars: evolution.

Chemical evolution of the Galactic bulge as traced by microlensed dwarf and subgiant stars*

Authors: T. Bensby, M. Asplund, J. A. Johnson, S. Feltzing, J. Meléndez, S. Dong, A. Gould, C. Han, D. Adén, S. Lucatello and A. Gal-Yam.<br />Astronomy and Astrophysics Vol. 521 , page L57<br />Published online: 19/10/2010<br />
Keywords:
gravitational lensing: micro ; Galaxy: bulge ; Galaxy: formation ; Galaxy: evolution ; stars: abundances.