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Results 1 - 60 of 60

Metallicity-Suppressed Collapsars Cannot be the Dominant r-Process Source in the Milky Way. (arXiv:2111.11464v1 [astro-ph.GA])
- Virtual Journal - Volume 19, Issue 48 - article #4
- Jack Fraser, Ralph Schönrich
- http://arxiv.org/abs/2111.11464
Connecting planet formation and astrochemistry: C/O and N/O of warm giant planets and Jupiter-analogs. (arXiv:2009.02907v1 [astro-ph.EP])
- Virtual Journal - Volume 18, Issue 37 - article #2
- Alex J. Cridland, Ewine F. van Dishoeck, Matthew Alessi, Ralph E. Pudritz
- http://arxiv.org/abs/2009.02907
On the origin of nitrogen at low metallicity. (arXiv:2005.03038v1 [astro-ph.GA])
- Virtual Journal - Volume 18, Issue 19 - article #9
- Arpita Roy, Michael A. Dopita, Mark R. Krumholz, Lisa J. Kewley, Ralph S. Sutherland, Alexander Heger
- http://arxiv.org/abs/2005.03038
Connecting planet formation and astrochemistry
- Virtual Journal - Volume 17, Issue 49 - article #11
- Alex J. Cridland, Ewine F. van Dishoeck, Matthew Alessi, Ralph E. Pudritz
- Astronomy & Astrophysics
- http://feedproxy.google.com/~r/edp_aa/~3/MVkpexAhYqo/201936105
The chemical evolution of r-process elements from neutron star mergers: the role of a 2-phase interstellar medium. (arXiv:1901.09938v2 [astro-ph.GA] UPDATED)
- Virtual Journal - Volume 17, Issue 22 - article #6
- Ralph Schönrich, David H. Weinberg
- http://arxiv.org/abs/1901.09938
Non-local Thermodynamic Equilibrium Stellar Spectroscopy with 1D and âŒ©3DâŒª Models. II. Chemical Properties of the Galactic Metal-poor Disk and the Halo
- Virtual Journal - Volume 15, Issue 38 - article #28
- Maria Bergemann, Remo Collet, Ralph SchÃƒÂ¶nrich, Rene Andrae, Mikhail Kovalev, Greg Ruchti, Camilla Juul Hansen,, Zazralt Magic
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/847/1/16
Non-local thermodynamic equilibrium stellar spectroscopy with 1D and 3D models - II. Chemical properties of the Galactic metal-poor disk and the halo. (arXiv:1612.07363v1 [astro-ph.SR])
- Virtual Journal - Volume 14, Issue 52 - article #14
- Maria Bergemann (MPIA), Remo Collet (Aarhus University, ANU), Ralph Schoenrich (Oxford), Rene Andrae (MPIA), Mikhail Kovalev (MPIA), Gregory Ruchti (Lund Observatory), Camilla J. Hansen (Dark Cosmology Centre, TU Darmstadt), Zazralt Magic (Niels Bohr Institute)
- http://arxiv.org/abs/1612.07363
Inflow, Outflow, Yields, and Stellar Population Mixing in Chemical Evolution Models. (arXiv:1604.08613v2 [astro-ph.GA] UPDATED)
- Virtual Journal - Volume 14, Issue 49 - article #8
- Brett H. Andrews, David H. Weinberg, Ralph Schönrich, Jennifer A. Johnson
- http://arxiv.org/abs/1604.08613
Chemical tagging with APOGEE: Discovery of a large population of N-rich stars in the inner Galaxy. (arXiv:1606.05651v1 [astro-ph.GA])
- Virtual Journal - Volume 14, Issue 26 - article #5
- Ricardo P. Schiavon, Olga Zamora, Ricardo Carrera, Sara Lucatello, A.C. Robin, Melissa Ness, Sarah L. Martell, Verne V. Smith, D. A. Garcia Hernandez, Arturo Manchado, Ralph Schoenrich, Nate Bastian, Cristina Chiappini, Matthew Shetrone, J. Ted Mackereth, Rob A. Williams, Szabolcs Meszaros, Carlos Allende Prieto, Friedrich Anders, Dmitry Bizyaev, Timothy C. Beers, S. Drew Chojnowski, Katia Cunha, Courtney Epstein, Peter M. Frinchaboy, Ana E. Garcia Perez, Fred R. Hearty, Jon A. Holtzman, Jennifer A. Johnson, Karen Kinemuchi, Steven R. Majewski, Demitri Muna, David L. Nidever, Duy Cuong Nguyen, Robert W. O'Connell, Daniel Oravetz, Kaike Pan, Marc Pinsonneault, Donald P. Schneider, Matthias Schultheis, Audrey Simmons, Michael F. Skrutskie, Jennifer Sobeck, John C. Wilson, Gail Zasowski
- http://arxiv.org/abs/1606.05651
Supernova SN 1006 in two historic Yemeni reports
- Virtual Journal - Volume 13, Issue 31 - article #17
- Wafiq Rada (Hilla University College, Babylon, Iraq), Ralph Neuhaeuser (U Jena)
- arXiv.org - Astrophysics - Volume: 2015, Issue: 28 Aug
- arXiv:1508.06126 (cross-list from physics.hist-ph) [pdf, other]
The Chemical Evolution of Very Metal-poor Damped Lyα Systems
- Virtual Journal - Volume 13, Issue 21 - article #47
- David Webster, Joss Bland-Hawthorn, and Ralph S. Sutherland
- The Astrophysical Journal - Volume: 804, Issue: 2
- View article PDF (2.51 MB)
A New Merging Double Degenerate Binary in the Solar Neighborhood
- Virtual Journal - Volume 13, Issue 18 - article #21
- John H. Debes, Mukremin Kilic, Pier-Emmanuel Tremblay, Mercedes LÃƒÂ³pez-Morales, Guillem Anglada-Escude, Ralph Napiwotzki, David Osip, and Alycia Weinberger
- Astronomical Journal - Volume: 149, Issue: 5
- View article PDF (625 KB)
The Chemical Evolution of Very Metal-Poor Damped Lyman-$α$ Systems
- Virtual Journal - Volume 13, Issue 15 - article #14
- David Webster, Joss Bland-Hawthorn, Ralph S. Sutherland
- arXiv.org - Astrophysics - Volume: 2015, Issue: 17 Apr
- arXiv:1504.02480 [pdf, other]
Star Formation in Ultrafaint Dwarfs: Continuous or Single-Age Bursts?
- Virtual Journal - Volume 13, Issue 5 - article #33
- David Webster, Joss Bland-Hawthorn, and Ralph Sutherland
- The Astrophysical Journal Letters - Volume: 799, Issue: 2
- View article PDF (861 KB)
A general hybrid radiation transport scheme for star formation simulations on an adaptive grid
- Virtual Journal - Volume 12, Issue 23 - article #15
- Mikhail Klassen, Rolf Kuiper, Ralph E. Pudritz, Thomas Peters, Robi Banerjee, Lars Buntemeyer
- arXiv.org - Astrophysics - Volume: 2014, Issue: 17 Oct
- arXiv:1410.4259 [pdf, other]
Ultrafaint Dwarfs - Star Formation and Chemical Evolution in the Smallest Galaxies
- Virtual Journal - Volume 12, Issue 22 - article #30
- David Webster, Ralph Sutherland, Joss Bland-Hawthorn
- arXiv.org - Astrophysics - Volume: 2014, Issue: 19 Sep
- arXiv:1409.4768 [pdf, other]
The Vertical Metallicity Gradient of the Milky Way Disk: Transitions in [α/Fe] Populations
- Virtual Journal - Volume 12, Issue 21 - article #166
- Katharine J. Schlesinger, Jennifer A. Johnson, Constance M. Rockosi, Young Sun Lee, Timothy C. Beers, Paul Harding, Carlos Allende Prieto, Jonathan C. Bird, Ralph SchÃƒÂ¶nrich, Brian Yanny, Donald P. Schneider, Benjamin A. Weaver, and Jon Brinkmann
- The Astrophysical Journal - Volume: 791, Issue: 2
- View article PDF (2.54 MB)
The Vertical Metallicity Gradient of the Milky Way Disk: Transitions in [a/Fe] Populations
- Virtual Journal - Volume 12, Issue 20 - article #125
- Katharine J. Schlesinger, Jennifer A. Johnson, Constance M. Rockosi, Young Sun Lee, Timothy C. Beers, Paul Harding, Carlos Allende Prieto, Jonathan C. Bird, Ralph Schoenrich, Brian Yanny, Donald P. Schneider, Benjamin A. Weaver, Jon Brinkmann
- arXiv.org - Astrophysics - Volume: 2014, Issue: 30 May
- arXiv:1405.6724 [pdf, ps, other]
Fundamental stellar parameters and metallicities from Bayesian spectroscopy: application to low- and high-resolution spectra
- Virtual Journal - Volume 12, Issue 20 - article #257
- Ralph SchÃƒÂ¶nrich and Maria Bergemann
- Monthly Notices of the Royal Astronomical Society - Volume: 443, Issue: 1
- Abstract Full Text (HTML) Full Text (PDF)
Metal-poor Dwarf Galaxies in the SIGRID Galaxy Sample. I. H II Region Observations and Chemical Abundances
- Virtual Journal - Volume 12, Issue 18 - article #44
- David C. Nicholls, Michael A. Dopita, Ralph S. Sutherland, Helmut Jerjen, Lisa J. Kewley, and Hassan Basurah
- The Astrophysical Journal - Volume: 786, Issue: 2
- View article PDF (2.77 MB)
Testing the Asteroseismic Mass Scale Using Metal-poor Stars Characterized with APOGEE and Kepler
- Virtual Journal - Volume 12, Issue 16 - article #37
- Courtney R. Epstein, Yvonne P. Elsworth, Jennifer A. Johnson, Matthew Shetrone, BenoÃƒÂ®t Mosser, Saskia Hekker, Jamie Tayar, Paul Harding, Marc Pinsonneault, VÃƒÂctor Silva Aguirre, Sarbani Basu, Timothy C. Beers, Dmitry Bizyaev, Timothy R. Bedding, William J. Chaplin, Peter M. Frinchaboy, Rafael A. GarcÃƒÂa, Ana E. GarcÃƒÂa PÃƒÂ©rez, Fred R. Hearty, Daniel Huber, Inese I. Ivans, Steven R. Majewski, Savita Mathur, David Nidever, Aldo Serenelli, Ricardo P. Schiavon, Donald P. Schneider, Ralph SchÃƒÂ¶nrich, Jennifer S. Sobeck, Keivan G. Stassun, Dennis Stello, and Gail Zasowski
- The Astrophysical Journal Letters - Volume: 785, Issue: 2
- View article PDF (932 KB)
Metal-poor dwarf galaxies in the SIGRID galaxy sample. I. HII region observations and chemical abundances
- Virtual Journal - Volume 12, Issue 13 - article #4
- David C. Nicholls, Michael A. Dopita, Ralph S. Sutherland, Helmut Jerjen, Lisa J. Kewley, Hassan Basurah
- arXiv.org - Astrophysics - Volume: 2014, Issue: 28 Mar
- arXiv:1403.6903 [pdf, ps, other]
Testing the Asteroseismic Mass Scale Using Metal-Poor Stars Characterized with APOGEE and Kepler
- Virtual Journal - Volume 12, Issue 11 - article #19
- Courtney R. Epstein, Yvonne P. Elsworth, Jennifer A. Johnson, Matthew Shetrone, Benoît Mosser, Saskia Hekker, Jamie Tayar, Paul Harding, Marc Pinsonneault, Víctor Silva Aguirre, Sarbani Basu, Timothy C. Beers, Dmitry Bizyaev, Timothy R. Bedding, William J. Chaplin, Peter M. Frinchaboy, Rafael A. García, Ana E. García Pérez, Fred R. Hearty, Daniel Huber, Inese I. Ivans, Steven R. Majewski, Savita Mathur, David Nidever, Aldo Serenelli, Ricardo P. Schiavon, Donald P. Schneider, Ralph Schönrich, Jennifer S. Sobeck, Keivan G. Stassun, Dennis Stello, Gail Zasowski
- arXiv.org - Astrophysics - Volume: 2014, Issue: 14 Mar
- arXiv:1403.1872 [pdf, ps, other]
Does SEGUE/SDSS indicate a dual Galactic halo?
- Virtual Journal - Volume 12, Issue 10 - article #5
- Ralph Schoenrich, Martin Asplund, Luca Casagrande
- arXiv.org - Astrophysics - Volume: 2014, Issue: 7 Mar
- arXiv:1403.0937 [pdf, ps, other]
The Metallicity Distribution Functions of SEGUE G and K Dwarfs: Constraints for Disk Chemical Evolution and Formation
- Virtual Journal - Volume 10, Issue 49 - article #52
- Katharine J. Schlesinger, Jennifer A. Johnson, Constance M. Rockosi, Young Sun Lee, Heather L. Morrison, Ralph SchÃƒÂ¶nrich, Carlos Allende Prieto, Timothy C. Beers, Brian Yanny, Paul Harding, DonaldÃ‚Â P. Schneider, Cristina Chiappini, Luiz N. da Costa, Marcio A. G. Maia, Ivan Minchev, Helio Rocha-Pinto, and BasÃƒÂlio X. Santiago
- The Astrophysical Journal - Volume: 761, Issue: 2
- Abstract References Full text PDF (4.31 MB) View as HTML
Metallicity Gradients in the Milky Way Disk as Observed by the SEGUE Survey
- Virtual Journal - Volume 10, Issue 15 - article #48
- Judy Y. Cheng, Constance M. Rockosi, Heather L. Morrison, Ralph A. SchÃƒÂ¶nrich, Young Sun Lee, Timothy C. Beers, Dmitry Bizyaev, Kaike Pan, and Donald P. Schneider
- The Astrophysical Journal - Volume: 746, Issue: 2
- Abstract References Full text PDF (25.56 MB) View as HTML
Neutron stars from young nearby associations the origin of RXJ1605.3+3249
- Virtual Journal - Volume 10, Issue 6 - article #12
- Nina Tetzlaff, Janos G. Schmidt, Markus M. Hohle, Ralph Neuhaeuser
- arXiv.org - Astrophysics - Volume: 2012, Issue: 10 Feb
- arXiv:1202.1388 [pdf, other]
The detection and treatment of distance errors in kinematic analyses of stars
- Virtual Journal - Volume 10, Issue 4 - article #31
- Ralph Schönrich, James Binney and Martin Asplund
- Monthly Notices of the Royal Astronomical Society - Volume: 420, Issue: 2
- Abstract Full Article (HTML)PDF(542K)References Request Permissions
The Metallicity Distribution Functions of SEGUE G and K dwarfs: Constraints for Disk Chemical Evolution and Formation
- Virtual Journal - Volume 9, Issue 50 - article #15
- Katharine J. Schlesinger, Jennifer A. Johnson, Constance M. Rockosi, Young Sun Lee, Heather L. Morrison, Ralph Schoenrich, Carlos Allende Prieto, Timothy C. Beers, Brian Yanny, Paul Harding, Donald P. Schneider, Cristina Chiappini, Luiz N. da Costa, Marcio A.G. Maia, Ivan Minchev, Helio Rocha-Pinto, Basilio X. Santiago
- arXiv.org - Astrophysics - Volume: 2011, Issue: 16 Dec
- arXiv:1112.2214 [pdf, ps, other]
Constraints on neutron-star theories from nearby neutron star observations
- Virtual Journal - Volume 9, Issue 44 - article #2
- Ralph Neuhäuser, Valeri V. Hambaryan, Nina Tetzlaff, Markus M. Hohle, Thomas Eisenbeiss
- arXiv.org - Astrophysics - Volume: 2011, Issue: 4 Nov
- arXiv:1111.0447 [pdf, ps, other]
The detection and treatment of distance errors in kinematic analyses of stars
- Virtual Journal - Volume 9, Issue 44 - article #11
- Ralph Schoenrich, James Binney, Martin Asplund
- arXiv.org - Astrophysics - Volume: 2011, Issue: 4 Nov
- arXiv:1111.0204 [pdf, ps, other]
Metallicity Gradients in the Milky Way Disk as Observed by the SEGUE Survey
- Virtual Journal - Volume 9, Issue 43 - article #11
- Judy Y. Cheng, Constance M. Rockosi, Heather L. Morrison, Ralph A. Schönrich, Young Sun Lee, Timothy C. Beers, Dmitry Bizyaev, Kaike Pan, Donald P. Schneider
- arXiv.org - Astrophysics - Volume: 2011, Issue: 28 Oct
- arXiv:1110.5933 [pdf, other]
Formation and Evolution of the Disk System of the Milky Way: [α/Fe] Ratios and Kinematics of the SEGUE G-dwarf Sample
- Virtual Journal - Volume 9, Issue 37 - article #49
- Young Sun Lee, Timothy C. Beers, Deokkeun An, Ã…Â½eljko IveziÃ„Â‡, Andreas Just, Constance M. Rockosi, Heather L. Morrison, Jennifer A. Johnson, Ralph SchÃƒÂ¶nrich, Jonathan Bird, Brian Yanny, Paul Harding and Helio J. Rocha-Pinto
- The Astrophysical Journal - Volume: 738, Issue: 2
- Abstract References Full text PDF (1.19 MB) View as HTML
On the alleged duality of the Galactic halo
- Virtual Journal - Volume 9, Issue 33 - article #27
- Ralph Schönrich, Martin Asplund and Luca Casagrande
- Monthly Notices of the Royal Astronomical Society - Volume: 415, Issue: 4
- Abstract Full Article (HTML)PDF(5259K)References Request Permissions
Formation and Evolution of the Disk System of the Milky Way: [alpha/Fe] Ratios and Kinematics of the SEGUE G-Dwarf Sample
- Virtual Journal - Volume 9, Issue 16 - article #5
- Young Sun Lee, Timothy C. Beers, Deokkeun An, Zeljko Ivezic, Andreas Just, Constance M. Rockosi, Heather L. Morrison, Jennifer A. Johnson, Ralph Schonrich, Jonathan Bird, Brian Yanny, Paul Harding, Helio J. Rocha-Pinto
- arXiv.org - Astrophysics - Volume: 2011, Issue: 22 Apr
- arXiv:1104.3114 [pdf, ps, other]
New constraints on the chemical evolution of the solar neighbourhood and Galactic disc(s)
- Virtual Journal - Volume 9, Issue 12 - article #3
- Luca Casagrande, Ralph Schoenrich, Martin Asplund, Santi Cassisi, Ivan Ramirez, Jorge Melendez, Thomas Bensby, Sofia Feltzing
- arXiv.org - Astrophysics - Volume: 2011, Issue: 25 Mar
- arXiv:1103.4651 [pdf, ps, other]
On the alleged duality of the Galactic halo
- Virtual Journal - Volume 8, Issue 50 - article #9
- Ralph Schoenrich, Martin Asplund, Luca Casagrande
- arXiv.org - Astrophysics - Volume: 2010, Issue: 10 Dec
- arXiv:1012.0842 [pdf, ps, other]
Simulations of the IMF in Clusters
- Virtual Journal - Volume 8, Issue 50 - article #10
- Ralph E. Pudritz
- arXiv.org - Astrophysics - Volume: 2010, Issue: 10 Dec
- arXiv:1012.1874 [pdf, ps, other]
New photometry and astrometry of the isolated neutron star RX J0720-3125 using recent VLT/FORS observations
- Virtual Journal - Volume 8, Issue 2 - article #7
- Thomas Eisenbeiss, Christian Ginski, Markus M. Hohle, Valeri V. Hambaryan, Ralph Neuhaeuser, Tobias O.B. Schmidt
- arXiv.org - Astrophysics - Volume: 2010, Issue: 8 Jan
- arXiv:1001.0545 [ps, pdf, other]
Quark-Novae, Cosmic Reionization, and Early r-Process Element Production
- Virtual Journal - Volume 7, Issue 35 - article #20
- <em >Rachid Ouyed, Ralph E. Pudritz, and Prashanth Jaikumar</em&gt,
- The Astrophysical Journal - Volume: 702, Issue: 2
- Abstract | References
Chemical evolution with radial mixing
- Virtual Journal - Volume 7, Issue 23 - article #16
- Ralph Schönrich, James Binney
- Monthly Notices of the Royal Astronomical Society - Volume: 396, Issue: 1
- Abstract | References | Full Text: HTML, PDF (Size: 3980K)
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Photometric Calibrations for 21st Century Science
- Virtual Journal - Volume 7, Issue 12 - article #9
- Stephen Kent, Mary Elizabeth Kaiser, Susana E.Deustua, J. Allyn Smith, Saul Adelman, Sahar Allam, Brian Baptista, Ralph C. Bohlin, James L. Clem, Alex Conley, Jerry Edelstein, Jay Elias, Ian Glass, Arne Henden, Steve Howell, Randy A. Kimble, Jeffrey W. Kruk, Michael Lampton, Eugene A. Magnier, Stephan R. McCandliss, Warren Moos, Nick Mostek, Stuart Mufson, Terry D. Oswalt, Saul Perlmutter, Carlos Allende Prieto, Bernard J. Rauscher, Adam Riess, Abhijit Saha, Mark Sullivan, Nicholas Suntzeff, Alan Tokunaga, Douglas Tucker, Robert Wing, Bruce Woodgate, Edward L. Wright
- arXiv.org - Astrophysics - Volume: 2009, Issue: 20 Mar
- arXiv:0903.2799 [ps, pdf, other]
Chemical evolution with radial mixing
- Virtual Journal - Volume 6, Issue 38 - article #5
- Ralph Schoenrich, James Binney
- arXiv.org - Astrophysics - Volume: 2008, Issue: 18 Sep
- arXiv:0809.3006 [ps, pdf, other]
A New Method of Determining the Initial Size and Lorentz Factor of Gamma‐Ray Burst Fireballs Using a Thermal Emission Component
- Virtual Journal - Volume 6, Issue 3 - article #6
- Asaf Pe’er, Felix Ryde, Ralph A. M. J. Wijers, Peter Mészáros, and Martin J. Rees
- The Astrophysical Journal Letters - Volume: 664, Issue: 1
- Abstract-Full Text-PDF Version (95 kB)
Globular Clusters and X-ray Point Sources in Centaurus A (NGC 5128)
- Virtual Journal - Volume 6, Issue 2 - article #14
- Kristin A. Woodley (1), Somak Raychaudhury (2,3), Ralph P. Kraft (2), William E. Harris (1), Andres Jordan (2,4), Katherine E. Whitaker (2,5), Christine Jones (2), William R. Forman (2), Stephen S. Murray (2) ((1) McMaster University, (2) Harvard-Smithsonian Center for Astrophysics (3) University of Birmingham (4) European Southern Observatory (5) Yale University)
- arXiv.org - Astrophysics - Volume: 2008, Issue: 10 Jan
- arXiv:0801.1640 [ps, pdf, other]
Enhanced high-energy neutrino emission from choked gamma-ray bursts due to meson and muon acceleration
- Virtual Journal - Volume 5, Issue 48 - article #7
- Hylke B. J. Koers, Ralph A. M. J. Wijers
- arXiv.org - Astrophysics - Volume: 2007, Issue: 29 Nov
- arXiv:0711.4791 [ps, pdf, other]
Comet 81P/Wild 2 Under a Microscope
- Virtual Journal - Volume 4, Issue 50 - article #20
- Don Brownlee, Peter Tsou, JÃ©rÃ´me AlÃ©on, Conel M. O'D. Alexander, Tohru Araki, Sasa Bajt, Giuseppe A. Baratta, Ron Bastien, Phil Bland, Pierre Bleuet, Janet Borg, John P. Bradley, Adrian Brearley, F. Brenker, Sean Brennan, John C. Bridges, Nigel D. Browning, John R. Brucato, E. Bullock, Mark J. Burchell, Henner Busemann, Anna Butterworth, Marc Chaussidon, Allan Cheuvront, Miaofang Chi, Mark J. Cintala, B. C. Clark, Simon J. Clemett, George Cody, Luigi Colangeli, George Cooper, Patrick Cordier, C. Daghlian, Zurong Dai, Louis D'Hendecourt, Zahia Djouadi, Gerardo Dominguez, Tom Duxbury, Jason P. Dworkin, Denton S. Ebel, Thanasis E. Economou, Sirine Fakra, Sam A. J. Fairey, Stewart Fallon, Gianluca Ferrini, T. Ferroir, Holger Fleckenstein, Christine Floss, George Flynn, Ian A. Franchi, Marc Fries, Z. Gainsforth, J.-P. Gallien, Matt Genge, Mary K. Gilles, Philipe Gillet, Jamie Gilmour, Daniel P. Glavin, Matthieu Gounelle, Monica M. Grady, Giles A. Graham, P. G. Grant, Simon F. Green, Faustine Grossemy, Lawrence Grossman, Jeffrey N. Grossman, Yunbin Guan, Kenji Hagiya, Ralph Harvey, Philipp Heck, Gregory F. Herzog, Peter Hoppe, Friedrich HÃ¶rz, Joachim Huth, Ian D. Hutcheon, Konstantin Ignatyev, Hope Ishii, Motoo Ito, Damien Jacob, Chris Jacobsen, Stein Jacobsen, Steven Jones, David Joswiak, Amy Jurewicz, Anton T. Kearsley, Lindsay P. Keller, H. Khodja, A.L. David Kilcoyne, Jochen Kissel, Alexander Krot, Falko Langenhorst, Antonio Lanzirotti, Loan Le, Laurie A. Leshin, J. Leitner, L. Lemelle, Hugues Leroux, Ming-Chang Liu, K. Luening, Ian Lyon, Glen MacPherson, Matthew A. Marcus, Kuljeet Marhas, Bernard Marty, Graciela Matrajt, Kevin McKeegan, Anders Meibom, Vito Mennella, Keiko Messenger, Scott Messenger, Takashi Mikouchi, Smail Mostefaoui, Tomoki Nakamura, T. Nakano, M. Newville, Larry R. Nittler, Ichiro Ohnishi, Kazumasa Ohsumi, Kyoko Okudaira, Dimitri A. Papanastassiou, Russ Palma, Maria E. Palumbo, Robert O. Pepin, David Perkins, Murielle Perronnet, P. Pianetta, William Rao, Frans J. M. Rietmeijer, FranÃ§ois Robert, D. Rost, Alessandra Rotundi, Robert Ryan, Scott A. Sandford, Craig S. Schwandt, Thomas H. See, Dennis Schlutter, J. Sheffield-Parker, Alexandre Simionovici, Steven Simon, I. Sitnitsky, Christopher J. Snead, Maegan K. Spencer, Frank J. Stadermann, Andrew Steele, Thomas Stephan, Rhonda Stroud, Jean Susini, S. R. Sutton, Y. Suzuki, Mitra Taheri, Susan Taylor, Nick Teslich, Kazu Tomeoka, Naotaka Tomioka, Alice Toppani, Josep M. Trigo-RodrÃguez, David Troadec, Akira Tsuchiyama, Anthony J. Tuzzolino, Tolek Tyliszczak, K. Uesugi, Michael Velbel, Joe Vellenga, E. Vicenzi, L. Vincze, Jack Warren, Iris Weber, Mike Weisberg, Andrew J. Westphal, Sue Wirick, Diane Wooden, Brigitte Wopenka, Penelope Wozniakiewicz, Ian Wright, Hikaru Yabuta, Hajime Yano, Edward D. Young, Richard N. Zare, Thomas Zega, Karen Ziegler, Laurent Zimmerman, Ernst Zinner, and Michael Zolensky
- Science - Volume 314, Issue 5806 - 15 December 2006: 1711-1716.
- Abstract, Full Text, PDF,
A new type of massive stellar death: no supernovae from two nearby long gamma ray bursts
- Virtual Journal - Volume 4, Issue 33 - article #17
- Johan P. U. Fynbo, Darach Watson, Christina C. Thoene, Jesper Sollerman, Joshua S. Bloom, Tamara M. Davis, Jens Hjorth, Pall Jakobsson, Uffe G. Joergensen, Arnaud Cassan, JosÃ© MarÃa Castro CerÃ³n, Javier Gorosabel, Tobias C. Hinse, Brian L. Jensen, Sylvio Klose, Daniel Kocevski, Daniel Perley, Enrico Ramirez-Ruiz, Maximilian D. Stritzinger, Paul Vreeswijk, Ralph A. M. Wijers, Kristian G. Woller, Marta Zub, Dong Xu
- ArXiv - Astrophysics
- astro-ph/0608313 [abs, pdf]
The effect of neutrinos on the initial fireballs in gamma-ray bursts
- Virtual Journal - Volume 3, Issue 47 - article #36
- Hylke B. J. Koers, Ralph A. M. J. Wijers
- Monthly Notices of the Royal Astronomical Society – Vol. 364 Issue 3 – November 2005
- Abstract , Abstract and References , Full Text Article , PDF [169KB]
The effect of neutrinos on the initial fireballs in gamma-ray bursts
- Virtual Journal - Volume 3, Issue 21 - article #1
- Hylke B.J. Koers, Ralph A.M.J. Wijers
- ArXiv - Astrophysics – May 2005
- astro-ph/0505533 [ abs , ps , pdf , other ]
How Special Are Dark Gamma-Ray Bursts: A Diagnostic Tool
- Virtual Journal - Volume 3, Issue 18 - article #25
- Evert Rol, Ralph A. M. J. Wijers, Chryssa Kouveliotou, Lex Kaper, and Yuki Kaneko
- Astrophysical Journal Vol 624, No 2, Part 1 – May 2005
- ABSTRACT , FULL TEXT WITH ENHANCEMENTS , PDF (498 kB), PS
GRB 020410: A Gamma-Ray Burst Afterglow Discovered by Its Supernova Light
- Virtual Journal - Volume 3, Issue 18 - article #26
- Andrew Levan, Peter Nugent, Andrew Fruchter, Ingunn Burud, David Branch, James Rhoads, Alberto Castro-Tirado, Javier Gorosabel, JosÃ© MarÃa Castro CerÃ³n, Stephen E. Thorsett, Chryssa Kouveliotou, Sergey Golenetskii, Johan Fynbo, Peter Garnavich, Stephen Holland, Jens Hjorth, Palle MÃ¸ller, Elena Pian, Nial Tanvir, Mihail Ulanov, Ralph Wijers, and Stan Woosley
- Astrophysical Journal Vol 624, No 2, Part 1 – May 2005
- ABSTRACT , FULL TEXT WITH ENHANCEMENTS , PDF (344 kB), PS
Very High Energy Cosmic Rays and Their Interactions
- Virtual Journal - Volume 3, Issue 16 - article #20
- Ralph Engel (Forschungszentrum Karlsruhe, Germany)
- ArXiv – AstroPhysics – April 2005
- astro-ph/0504358 [ abs , ps , pdf , other ]
A Deep Search with the Hubble Space Telescope for Late-Time Supernova Signatures in the Hosts of XRF 011030 and XRF 020427
- Virtual Journal - Volume 3, Issue 13 - article #39
- Andrew Levan, Sandeep Patel, Chryssa Kouveliotou, Andrew Fruchter, James Rhoads, Evert Rol, Enrico Ramirez-Ruiz, Javier Gorosabel, Jens Hjorth, Ralph Wijers, W. Michael Wood-Vasey, David Bersier, Alberto Castro-Tirado, Johan Fynbo, Brian Jensen, Elena Pian, Nial Tanvir, Stephen Thorsett, and Stan Woosley A
- strophysical Journal – Vol 622, No 2 – April 2005
- ABSTRACT , FULL TEXT , PDF (251 kB), PS
Sources of Cosmic Rays and Galactic Diffuse Gamma Radiation
- Virtual Journal - Volume 2, Issue 13 - article #18
- Sabrina Casanova, Peter L. Biermann, Ralph Engel, Athina Meli, Ralf Ulrich
- arXiv.org – Astrophysics – March 2004
- astro-ph/0403661 [ abs , ps , pdf , other ]
The Last Gamma-Ray Burst in Our Galaxy? On the Observed Cosmic-Ray Excess at Particle Energy 10 ¹⁸ eV
- Virtual Journal - Volume 2, Issue 9 - article #23
- Peter L. Biermann, Gustavo Medina Tanco, Ralph Engel, and Giovanna Pugliese
- The Astrophysical Journal Letters - Volume 604, Number 1, Part 2
- ABSTRACT , FULL TEXT , PDF (154 kB), PS
An ultra-relativistic outflow from a neutron star accreting gas from a companion
- Virtual Journal - Volume 2, Issue 2 - article #4
- Rob Fender(Amsterdam), Kinwah Wu(MSSL), Helen Johnston(Sydney), Tasso Tzioumis(ATNF), Peter Jonker(Cambridge), Ralph Spencer(Manchester), Michiel van der Klis(Amsterdam)
- arXiv.org – Astrophysics – January 2004
- astro-ph/0401290 [ abs , ps , pdf , other ]
The last Gamma Ray Burst in our Galaxy? On the observed cosmic ray excess at particle energy 1 EeV
- Virtual Journal - Volume 2, Issue 2 - article #22
- Peter L. Biermann (1 and 2), Gustavo Medina Tanco (3), Ralph Engel (4), Giovanna Pugliese (5) ((1) Max-Planck Inst. for Radioastronomy, (2) Dept. Phys. and Astron., Univ. of Bonn, Germany, (3) Instituto Astron. e Geof., USP, Brasil, (4) Forschungszentrum Karlsruhe, Karlsruhe, Germany, (5) European Southern Obs., Munich, Germany)
- arXiv.org – Astrophysics – January 2004
- astro-ph/0401150 [ abs , ps , pdf , other ]
Propagation of ultrahigh energy protons in regular extragalactic magnetic fields
- Virtual Journal - Volume 1, Issue 20 - article #61
- Todor Stanev, David Seckel, and Ralph Engel
- Physical Review D - Volume 68, Number 10
- 103004 Abstract/References Full Text: [ PDF (469 kB) GZipped PS Order Document ]
Evolution of the polarization of the optical afterglow of the γ-ray burst GRB030329
- Virtual Journal - Volume 1, Issue 18 - article #46
- JOCHEN GREINER, SYLVIO KLOSE, KLAUS REINSCH, HANS MARTIN SCHMID, RE'EM SARI, DIETER H. HARTMANN, CHRYSSA KOUVELIOTOU, ARNE RAU, ELIANA PALAZZI, CHRISTIAN STRAUBMEIER, BRINGFRIED STECKLUM, SERGEJ ZHARIKOV, GAGHIK TOVMASSIAN, OTTO BÃ„RNBANTNER, CHRISTOPH RIES, EMMANUEL JEHIN, ARNE HENDEN, ANLAUG A. KAAS, TOMMY GRAV, JENS HJORTH, HOLGER PEDERSEN, RALPH A. M. J. WIJERS, ANDREAS KAUFER, HYE-SOOK PARK, GRANT WILLIAMS & OLAF REIMER
- Nature - Vol 426 No 6963
- First paragraph , Full text , PDF (214k)

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