Segue Virtual Journal

JINA - Segue Virtual Journal, 20 July 2012

Volume 7, Issue 29 (29 Articles)

# 1 - A CH star in the globular cluster NGC 6426
- M. Sharina, B. Aringer, E. Davoust, A. Y. Kniazev, C. J. Donzelli
- arXiv.org - Astrophysics - Volume: 2012, Issue: 20 Jul
- arXiv:1207.4357 [pdf, ps, other]
# 2 - A new visual -- near-infrared diagnostic to estimate the metallicity of cluster and field dwarf stars
- Annalisa Calamida (OAR-INAF), M. Monelli, A. P. Milone (IAC), G. Bono (Univ. Tor Vergata), A. Pietrinferni (OACTe-INAF), E. P. Lagioia (Univ. Tor Vergata)
- arXiv.org - Astrophysics - Volume: 2012, Issue: 20 Jul
- arXiv:1207.3662 [pdf, ps, other]
# 3 - A Search for Metal-poor Stars Pre-enriched by Pair-instability Supernovae I. A Pilot Study for Target Selection from Sloan Digital Sky Survey (SDSS)
- J. Ren, N. Christlieb, G. Zhao
- arXiv.org - Astrophysics - Volume: 2012, Issue: 20 Jul
- arXiv:1207.4536 [pdf, ps, other]
# 4 - Detailed comparison of Milky Way models based on stellar population synthesis and SDSS star counts at the north Galactic pole
- Shuang Gao, Andreas Just, Eva K. Grebel
- arXiv.org - Astrophysics - Volume: 2012, Issue: 20 Jul
- arXiv:1207.4551 [pdf, ps, other]
# 5 - Global survey of star clusters in the Milky Way I. The pipeline and fundamental parameters in the second quadrant
- N. V. Kharchenko, A. E. Piskunov, E. Schilbach, S. Röser, R.-D. Scholz
- arXiv.org - Astrophysics - Volume: 2012, Issue: 20 Jul
- arXiv:1207.4001 [pdf, ps, other]
# 6 - How to Nurture Scientific Discoveries Despite Their Unpredictable Nature
- Abraham Loeb (Harvard)
- arXiv.org - Astrophysics - Volume: 2012, Issue: 20 Jul
- arXiv:1207.3812 [pdf, ps, other]
# 7 - New solar twins and the metallicity and temperature scales of the Geneva Copenhagen Survey
- Juliet Datson, Chris Flynn, Laura Portinari
- arXiv.org - Astrophysics - Volume: 2012, Issue: 20 Jul
- arXiv:1207.4610 [pdf, ps, other]
# 8 - Radial velocities and metallicities from infrared Ca II triplet spectroscopy of open clusters: Berkeley 26, Berkeley 70, NGC 1798, and NGC 2266
- R. Carrera (1,2) ((1) Instituto de Astrofísica de Canarias, La Laguna, Tenerife, Spain, (2) Departamento de Astrofísica, Universidad de La Laguna, Tenerife, Spain)
- arXiv.org - Astrophysics - Volume: 2012, Issue: 20 Jul
- arXiv:1207.3244 [pdf, ps, other]
# 9 - The Apache Point Observatory Galactic Evolution Experiment: First Detection of High Velocity Milky Way Bar Stars
- David L. Nidever, Gail Zasowski, Steven R. Majewski, Jonathan Bird, Annie C. Robin, Inma Martinez-Valpuesta, Rachael L. Beaton, Ralph Schoenrich, Mathias Schultheis, John C. Wilson, Michael F. Skrutskie, Robert W. O'Connell, Matthew Shetrone, Ricardo P. Schiavon, Jennifer A. Johnson, Benjamin Weiner, Ortwin Gerhard, Donald P. Schneider, Carlos Allende Prieto, Kris Sellgren, Dmitry Bizyaev, Howard Brewington, Jon Brinkmann, Daniel J. Eisenstein, Peter M. Frinchaboy, Ana Elia Garcia Perez, Jon Holtzman, Fred R. Hearty, Elena Malanushenko, Viktor Malanushenko, Demitri Muna, Daniel Oravetz, Kaike Pan, Audrey Simmons, Stephanie Snedden, Benjamin A. Weaver
- arXiv.org - Astrophysics - Volume: 2012, Issue: 20 Jul
- arXiv:1207.3797 [pdf, other]
# 10 - The chemical composition of Ultracompact Dwarf Galaxies in the Virgo and Fornax Clusters
- K. J. Francis, M. J. Drinkwater, Igor V. Chilingarian, A. M. Bolt, P. Firth
- arXiv.org - Astrophysics - Volume: 2012, Issue: 20 Jul
- arXiv:1207.3382 [pdf, ps, other]
# 11 - The detection of interstellar lithium in a low-metallicity galaxy
- J. Christopher Howk, Nicolas Lehner, Brian D. Fields, Grant J. Mathews
- arXiv.org - Astrophysics - Volume: 2012, Issue: 20 Jul
- arXiv:1207.3081 [pdf, ps, other]
# 12 - The horizontal branch luminosity vs metallicity in M31 globular clusters
- Luciana Federici (1), Carla Cacciari (1), Michele Bellazzini (1), Flavio Fusi Pecci (1), Silvia Galleti (1), Sibilla Perina (1) ((1) INAF-Osservatorio Astronomico di Bologna, Italy)
- arXiv.org - Astrophysics - Volume: 2012, Issue: 20 Jul
- arXiv:1207.4731 [pdf, ps, other]
# 13 - The metal content of hot DA white dwarf spectra
- Nathan Dickinson
- arXiv.org - Astrophysics - Volume: 2012, Issue: 20 Jul
- arXiv:1207.3916 [pdf]
# 14 - The Origin and Evolution of Metallicity Gradients: Probing the Mode of Mass Assembly at z=2
- Tucker Jones, Richard S. Ellis, Johan Richard, Eric Jullo
- arXiv.org - Astrophysics - Volume: 2012, Issue: 20 Jul
- arXiv:1207.4489 [pdf, ps, other]
# 15 - The stretching of Hercules
- A. J. Deason (Cambridge), V. Belokurov (Cambridge), N. W. Evans (Cambridge), L. L. Watkins (MPIA), M. Fellhauer (Chile)
- arXiv.org - Astrophysics - Volume: 2012, Issue: 20 Jul
- arXiv:1207.3802 [pdf, ps, other]
# 16 - The Unique Na:O Abundance Distribution in NGC 6791: The First Open(?) Cluster with Multiple Populations
- D. Geisler, S. Villanova, G. Carraro, C. Pilachowski, J. Cummings, C. I. Johnson, F. Bresolin
- arXiv.org - Astrophysics - Volume: 2012, Issue: 20 Jul
- arXiv:1207.3328 [pdf, ps, other]
# 17 - Vertical density waves in the Milky Way disc induced by the Sagittarius Dwarf Galaxy
- Facundo A. Gómez, Ivan Minchev, Brian W. O'Shea, Timothy C. Beers, James S. Bullock, Chris W. Purcell
- arXiv.org - Astrophysics - Volume: 2012, Issue: 20 Jul
- arXiv:1207.3083 [pdf, other]
# 18 - Washington photometry of candidate star clusters in the Small Magellanic Cloud
- Andrés E. Piatti, Eduardo Bica
- arXiv.org - Astrophysics - Volume: 2012, Issue: 20 Jul
- arXiv:1207.4769 [pdf, ps, other]
# 19 - Kinematics of stars in the northern and southern galactic hemispheres
- V. V. Vityazev and A. S. Tsvetkov
- Astronomy Letters - Volume: 38, Issue: 7
- Download PDF (668.2 KB)
# 20 - Instabilities in the ionization zones around the first stars
- E. O. Vasiliev, E. I. Vorobyov, A. O. Razoumov and Yu. A. Shchekinov
- Astronomy Reports - Volume: 56, Issue: 7
- Download PDF (818.4 KB)
# 21 - A wide-area view of the Phoenix dwarf galaxy from Very Large Telescope/FORS imaging
- G. Battaglia, M. Rejkuba, E. Tolstoy, M. J. Irwin and G. Beccari
- Monthly Notices of the Royal Astronomical Society - Volume: 424, Issue: 2
- Abstract Full Article (HTML)PDF(4951K)References Supporting Information Request Permissions
# 22 - Integrated spectral energy distributions of binary star composite stellar populations
- Zhongmu Li, Liyun Zhang and Jinzhong Liu
- Monthly Notices of the Royal Astronomical Society - Volume: 424, Issue: 2
- Abstract Full Article (HTML)PDF(2053K)References Request Permissions
# 23 - Systematic trends in Sloan Digital Sky Survey photometric data
- D. M. Bramich and W. Freudling
- Monthly Notices of the Royal Astronomical Society - Volume: 424, Issue: 2
- Abstract Full Article (HTML)PDF(3425K)References Request Permissions
# 24 - The anticentre old open clusters Berkeley 27, Berkeley 34 and Berkeley 36: new additions to the BOCCE project
- P. Donati, A. Bragaglia, M. Cignoni, G. Cocozza and M. Tosi
- Monthly Notices of the Royal Astronomical Society - Volume: 424, Issue: 2
- Abstract Full Article (HTML)PDF(3045K)References Request Permissions
# 25 - High velocity dispersion in a rare grand-design spiral galaxy at redshift z = 2.18
- A rare grand-design spiral galaxy is identified at redshift greater than 2, the rarity of such galaxies may be partly explained by evidence for perturbation by a merging companion.
- Nature - Volume: 487, Issue: 7407
- 271-400
# 26 - The Nature of Hypervelocity Stars and the Time between Their Formation and Ejection
- Warren R. Brown, Judith G. Cohen, Margaret J. Geller, and Scott J. Kenyon
- The Astrophysical Journal Letters - Volume: 754, Issue: 1
- Abstract References Full text PDF (358 KB) View as HTML
# 27 - A Virial Core in the Sculptor Dwarf Spheroidal Galaxy
- A. Agnello and N. W. Evans
- The Astrophysical Journal Letters - Volume: 754, Issue: 2
- Abstract References Full text PDF (422 KB) View as HTML
# 28 - Oxygen and Sodium Abundances in M13 (NGC 6205) Giants: Linking Globular Cluster Formation Scenarios, Deep Mixing, and Post-RGB Evolution
- Christian I. Johnson and Catherine A. Pilachowski
- The Astrophysical Journal Letters - Volume: 754, Issue: 2
- Abstract References Full text PDF (526 KB) HTML with Enhancements
# 29 - The Infrared Eye of the Wide-Field Camera 3 on the Hubble Space Telescope Reveals Multiple Main Sequences of Very Low Mass Stars in NGC 2808
- A. P. Milone, A. F. Marino, S. Cassisi, G. Piotto, L. R. Bedin, J. Anderson, F. Allard, A. Aparicio, A. Bellini, R. Buonanno, M. Monelli, and A. Pietrinferni
- The Astrophysical Journal Letters - Volume: 754, Issue: 2
- Abstract References Full text PDF (1.43 MB) View as HTML

This material is based upon work supported in part by the U.S. Department of Energy, Office of Science, Office of Nuclear Physics, under Award Number DE-SC0026204.