The Daily Brew
Selected astro-ph abstracts for Wednesday 2012 March 14
- A primordial star in the heart of the Lion.
E. Caffau (1,2,3), P. Bonifacio (2,3), P. François (2,4), M. Spite (2), F. Spite (2), S. Zaggia (5), H.-G. Ludwig (1,2), M. Steffen (6), L. Mashonkina (7), L. Monaco (3), L. Sbordone (1,2), P. Molaro (8), R. Cayrel (2), B. Plez (9), V. Hill (10), F. Hammer (2), S. Randich (11) ((1) ZAH-LSW Heidelberg, (2) GEPI - Obs. de Paris, CNRS, Univ. Paris Diderot, (3) ESO - Santiago, (4) Univ. de Picardie Jules Verne,(5) INAF - Osservatorio Astronomico di Padova, (6) Leibniz Institut für Astrophysik Potsdam, (7) Institute of Astronomy, Russian Academy of Sciences, (8) INAF - Osservatorio Astronomico di Trieste, (9) LUPM - Univ. Montpellier 2, CNRS, (10) Univ. de Nice Sophia Antipolis, CNRS, OCA, Lab. Cassiopée, (11) INAF - Osservatorio Astrofisico di Arcetri)
arXiv:1203.2607v1
- "Galaxy," Defined.
Beth Willman, Jay Strader
arXiv:1203.2608v1
- An extremely primitive halo star.
E. Caffau (1,2), P. Bonifacio (2), P. François (2,3) . L. Sbordone (1,4,2) . L. Monaco (5), M. Spite (2), F. Spite (2), H.-G. Ludwig (1,2), R. Cayrel (2), S. Zaggia (6), F. Hammer (2), S. Randich (7), P. Molaro (8), V. Hill (9) ((1) ZAH-LSW Heidelberg, (2) GEPI - Obs. de Paris, CNRS, Univ. Paris Diderot, (3) Univ. de Picardie Jules Verne,(4) Max Planck Institut für Astrophysik, (5) ESO - Santiago, (6) INAF - Osservatorio Astronomico di Padova, (7) INAF - Osservatorio Astrofisico di Arcetri, (8) INAF - Osservatorio Astronomico di Trieste, (9) Univ. de Nice Sophia Antipolis, CNRS, OCA, Lab. Cassiopée)
arXiv:1203.2612v1
- First Light LBT AO Images of HR 8799 bcde at 1.65 and 3.3 Microns: New Discrepancies between Young Planets and Old Brown Dwarfs.
Andrew J. Skemer, Philip M. Hinz, Simone Esposito, Adam Burrows, Jarron Leisenring, Michael Skrutskie, Silvano Desidera, Dino Mesa, Carmelo Arcidiacono, Filippo Mannucci, Timothy J. Rodigas, Laird Close, Don McCarthy, Craig Kulesa, Guido Agapito, Daniel Apai, Javier Argomedo, Vanessa Bailey, Konstantina Boutsia, Runa Briguglio, Guido Brusa, Lorenzo Busoni, Riccardo Claudi, Joshua Eisner, Luca Fini, Katherine B. Follette, Peter Garnavich, Raffaele Gratton, Juan Carlos Guerra, John M. Hill, William F. Hoffmann, Terry Jones, Megan Krejny, Jared Males, Elena Masciadri, Michael R. Meyer, Douglas L. Miller, Katie Morzinski, Matthew Nelson, Enrico Pinna, Alfio Puglisi, Sascha P. Quanz, Fernando Quiros-Pacheco, Armando Riccardi, Paolo Stefanini, Vidhya Vaitheeswaran, John C. Wilson, Marco Xompero
arXiv:1203.2615v1
- The Importance of Broad Emission-Line Widths in Single Epoch Black Hole Mass Estimates.
R.J. Assef, S. Frank, C.J. Grier, C.S. Kochanek, K.D. Denney, B.M. Peterson
arXiv:1203.2617v1
- The Grey Needle: Large Grains in the HD 15115 Debris Disk from LBT/PISCES/Ks and LBTI/LMIRcam/L' Adaptive Optics Imaging.
Timothy J. Rodigas, Philip M. Hinz, Jarron Leissenring, Vidhya Vaitheeswaran, Andrew J. Skemer, Michael Skrutskie, Kate Y.L. Su, Vanessa Bailey, Glenn Schneider, Laird Close, Filippo Mannucci, Simone Esposito, Carmelo Arcidiacono, Enrico Pinna, Javier Argomedo, Guido Agapito, Daniel Apai, Giuseppe Bono, Kostantina Boutsia, Runa Briguglio, Guido Brusa, Lorenzo Busoni, Giovanni Cresci, Thayne Currie, Silvano Desidera, Josh Eisner, Renato Falomo, Luca Fini, Kate Follette, Adriano Fontana, Peter Garnavich, Raffaele Gratton, Richard Green, Juan Carlos Guerra, J.M. Hill, William F. Hoffmann, Terry Jay Jones, Megan Krejny, Craig Kulesa, Jared Males, Elena Masciadri, Dino Mesa, Don McCarthy, Michael Meyer, Doug Miller, Matthew J. Nelson, Alfio Puglisi, Fernando Quiros-Pacheco, Armando Riccardi, Eleonora Sani,et al. (5 additional authors not shown)
arXiv:1203.2619v1
- Radiation-Hydrodynamic Simulations of the Formation of Orion-Like Star Clusters II. The Initial Mass Function from Winds, Turbulence, and Radiation.
Mark R. Krumholz, Richard I. Klein, Christopher F. McKee
arXiv:1203.2620v1
- Evolution of Galactic Disks: Multiple Patterns, Radial Migration and Disk Outskirts.
I. Minchev, B. Famaey, A. C. Quillen, P. Di Matteo, F. Combes, M. Vlajic, P. Erwin, J. Bland-Hawthorn
arXiv:1203.2621v1
- High Resolution Images of Orbital Motion in the Orion Trapezium Cluster with the LBT Adaptive Optics System.
L.M. Close, A. Puglisi, J.R. Males, C. Arcidiacono, A. Skemer, J.C. Guerra, L. Busoni, G. Brusa, E. Pinna, D.L. Miller, A. Riccardi, D.W. McCarthy, M. Xompero, C. Kulesa, F. Quiros-Pacheco, J. Argomedo, J. Brynnel, S. Esposito, F. Mannucci, K. Boutsia, L. Fini, D.J. Thompson, J.M. Hill, C.E. Woodward, R. Briguglio, T.J. Rodigas, P. Stefanini, G. Agapito, P. Hinz, K. Follette, R. Green
arXiv:1203.2638v1
- LBT observations of the HR 8799 planetary system: First detection of HR8799e in H band.
S. Esposito, D. Mesa, A. Skemer, C. Arcidiacono, R.U. Claudi, S. Desidera, R. Gratton, F. Mannucci, F. Marzari, E. Masciadri, L. Close, P. Hinz, C. Kulesa, D. McCarthy, J. Males, G. Agapito, J. Argomedo, K. Boutsia, R. Briguglio, G. Brusa, L. Busoni, G. Cresci, L. Fini, A. Fontana, J.C. Guerra, J.M. Hill, D. Miller, D. Paris, A. Puglisi, F. Quiros-Pacheco, A. Riccardi, P. Stefanini, V. Testa, M. Xompero, C. Woodward
arXiv:1203.2735v1
- Large Binocular Telescope Adaptive Optics System: New achievements and perspectives in adaptive optics.
Simone Esposito, Armando Riccardi, Enrico Pinna, Alfio Puglisi, Fernando Quirós-Pacheco, Carmelo Arcidiacono, Marco Xompero, Runa Briguglio, Guido Agapito, Lorenzo Busoni, Luca Fini, Javier Argomedo, Alessandro Gherardi, Guido Brusa, Douglas Miller, Juan Carlos Guerra, Paolo Stefanini, Piero Salinari
arXiv:1203.2761v1
- Interesting dynamics at high mutual inclination in the framework of the Kozai problem with an eccentric perturber.
A.-S. Libert, N. Delsate
arXiv:1203.2849v1
- The triple evolution dynamical instability: Stellar collisions in the field and the formation of exotic binaries.
Hagai B. Perets, Kaitlin M. Kratter
arXiv:1203.2914v1
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