ApJ Letters Latest Papers

An Intriguing Chromospheric Jet Observed by Hinode: Fine Structure Kinematics and Evidence of Unwinding Twists

Thu, 19 Nov 2009 00:00:00 GMT

Author(s): Wei Liu, Thomas E. Berger, Alan M. Title, and Theodore D. Tarbell
Affiliation(s): Lockheed Martin Solar and Astrophysics Laboratory, Department ADBS, Building 252, 3251 Hanover Street, Palo Alto, CA 94304, USA; W. W. Hansen Experimental Physics Laboratory, Stanford University, Stanford, CA 94305, USA

The Statistical Significance of the "Dark Flow"

Thu, 19 Nov 2009 00:00:00 GMT

Author(s): Ryan Keisler
Affiliation(s): Department of Physics, University of Chicago, Chicago, IL 60637, USA and Kavli Institute for Cosmological Physics, Chicago, IL 60637, USA

Detection of the Central Star of the Planetary Nebula NGC 6302

Thu, 19 Nov 2009 00:00:00 GMT

Author(s): C. Szyszka, J. R. Walsh, Albert A. Zijlstra, and Y. G. Tsamis
Affiliation(s): European Southern Observatory, Karl-Schwarzschild Strasse 2, D-85748 Garching, Germany; Jodrell Bank Centre for Astrophysics, School of Physics & Astronomy, University of Manchester, Oxford Road, Manchester M13 9PL, UK; Space Telescope European Coordinating Facility, European Southern Observatory, Karl-Schwarzschild Strasse 2, D-85748 Garching, Germany; Instituto de Astrofisica de Andalucioa (CSIC), Apartado 3004, 18080 Granada, Spain; Department of Physics and Astronomy, The Open University, Walton Hall, Milton Keynes MK7 6AA, UK

Wandering Stars: An Origin of Escaped Populations

Wed, 18 Nov 2009 00:00:00 GMT

Author(s): Maureen Teyssier, Kathryn V. Johnston, and Michael M. Shara
Affiliation(s): Department of Astronomy, Columbia University, Pupin Physics Laboratory, 550 West 120th Street, New York, NY 10027, USA; American Museum of Natural History, 79th Street and Central Park West, New York, NY 10024-5192, USA

Cosmic Origins Spectrograph Observations of the Chemical Composition of SNR LMC N132D

Wed, 18 Nov 2009 00:00:00 GMT

Author(s): Kevin France, Matthew Beasley, Brian A. Keeney, Charles W. Danforth, Cynthia S. Froning, James C. Green, and J. Michael Shull
Affiliation(s): Center for Astrophysics and Space Astronomy, Department of Astrophysical and Planetary Sciences, 389 UCB, University of Colorado, Boulder, CO 80309, USA

Kinematic Properties as Probes of the Evolution of Dwarf Galaxies in the Virgo Cluster

Wed, 18 Nov 2009 00:00:00 GMT

Author(s): E. Toloba, A. Boselli, J. Gorgas, R. F. Peletier, A. J. Cenarro, D. A. Gadotti, A. Gil de Paz, S. Pedraz, and U. Yildiz
Affiliation(s): Universidad Complutense de Madrid, 28040, Madrid, Spain; Laboratoire d'Astrophysique de Marseille, UMR 6110 CNRS, 38 rue F. Joliot-Curie, 13388 Marseille, France; Kapteyn Astronomical Institute, Postbus 800, 9700 AV Groningen, The Netherlands; Instituto de Astrofisica de Canarias, E-38200, La Laguna, Tenerife, Spain; Centro de Estudios de Fisica del Cosmos de Aragon, E-44001, Teruel, Spain; Max-Planck-Institut fur Astrophysik, Karl-Schwarzschild-Str. 1, D-85748 Garching bei Munchen, Germany; Centro Astronomico Hispano Aleman, Calar Alto (CSIC-MPG), Almeria, Spain; Leiden Observatory, Leiden University, P.O. Box 9513, 2300 RA, Leiden, The Netherlands

Mirror and Point Symmetries in a Ballistic Jet from a Binary System

Tue, 17 Nov 2009 00:00:00 GMT

Author(s): A. C. Raga, A. Esquivel, P. F. Velazquez, J. Canto, S. Haro-Corzo, A. Riera, and A. Rodriguez-Gonzalez
Affiliation(s): Instituto de Ciencias Nucleares, Universidad Nacional Autonoma de Mexico, Ap. 70-543, 04510 D.F., Mexico; Instituto de Astronomia, Universidad Nacional Autonoma de Mexico, Ap. 70-468, 04510 D.F., Mexico; Departament de Fisica i Enginyeria Nuclear, EUETIB, Universitat Politecnica de Catalunya, Compte dUrgell 187, E-08036 Barcelona, Spain; Departament d'Astronomia i Meteorologia, Universitat de Barcelona, Av. Diagonal 647, 08028 Barcelona, Spain

Hubble Space Telescope Discovery of a z = 3.9 Multiply Imaged Galaxy Behind the Complex Cluster Lens Warps J1415.1+36 at z = 1.026

Tue, 17 Nov 2009 00:00:00 GMT

Author(s): X. Huang, T. Morokuma, H. K. Fakhouri, G. Aldering, R. Amanullah, K. Barbary, M. Brodwin, N. V. Connolly, K. S. Dawson, M. Doi, L. Faccioli, V. Fadeyev, A. S. Fruchter, G. Goldhaber, M. D. Gladders, J. F. Hennawi, Y. Ihara, M. J. Jee, M. Kowalski, K. Konishi, C. Lidman, J. Meyers, L. A. Moustakas, S. Perlmutter, D. Rubin, D. J. Schlegel, A. L. Spadafora, N. Suzuki, N. Takanashi, and N. Yasuda
Affiliation(s): Department of Physics, University of California Berkeley, Berkeley, CA 94720, USA; National Astronomical Observatory of Japan, 2-21-1 Osawa, Mitaka, Tokyo 181-8588, Japan; E. O. Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA 94720, USA; Department of Physics, Stockholm University, Albanova University Center, S-106 91 Stockholm, Sweden; Harvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, MA 02138, USA; Department of Physics, Hamilton College, Clinton, NY 13323, USA; Department of Physics and Astronomy, University of Utah, Salt Lake City, UT 84112, USA; Institute of Astronomy, Graduate School of Science, University of Tokyo 2-21-1 Osawa, Mitaka, Tokyo 181-0015, Japan; Santa Cruz Institute for Particle Physics, University of California, Santa Cruz, CA 95064, USA; Space Telescope Science Institute, 3700 San Martin Drive, Baltimore, MD 21218, USA; Department of Astronomy and Astrophysics, The University of Chicago, 5640 S. Ellis Ave., Chicago, IL 60637, USA; Department of Physics, University of California, Davis, One Shields Ave., Davis, CA 95616, USA; Humboldt Universitat Institut fur Physik, Newtonstrasse 15, 12489 Berlin, Germany; Institute for Cosmic Ray Research, University of Tokyo, 5-1-5, Kashiwanoha, Kashiwa, Chiba 277-8582, Japan; Oskar Klein Center, Roslagstullsbacken 21, 106 91 Stockholm, Sweden; Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Dr., MS 169-327, Pasadena, CA 91109, USA; Research Fellow of the Japan Society for the Promotion of Science.; W. M. Keck Postdoctoral Fellow at the Harvard-Smithsonian Center for Astrophysics.

The Thick Disks of Spiral Galaxies as Relics from Gas-rich, Turbulent, Clumpy Disks at High Redshift

Tue, 17 Nov 2009 00:00:00 GMT

Author(s): Frederic Bournaud, Bruce G. Elmegreen, and Marie Martig
Affiliation(s): CEA, IRFU, SAp, 91191 Gif-sur-Yvette, France; IBM Research Division, T.J. Watson Research Center, P.O. Box 218, Yorktown Heights, NY 10598, USA

Correlation of Supernova Remnant Masers and Gamma-Ray Sources

Mon, 16 Nov 2009 00:00:00 GMT

Author(s): John W. Hewitt, Farhad Yusef-Zadeh, and Mark Wardle
Affiliation(s): NASA Goddard Space Flight Center, Mail Stop 662.0, 8800 Greenbelt Road, Greenbelt, MD 20771, USA; Department of Physics and Astronomy, Northwestern University, Evanston, IL 60208, USA; Department of Physics and Engineering, Macquarie University, Sydney, NSW 2109, Australia

Direct Radio Probing and Interpretation of the Sun's Plasma Density Profile

Mon, 16 Nov 2009 00:00:00 GMT

Author(s): I. H. Cairns, V. V. Lobzin, A. Warmuth, B. Li, P. A. Robinson, and G. Mann
Affiliation(s): School of Physics, University of Sydney, NSW 2006, Australia; Astrophysikalisches Institut Potsdam, D 14482 Potsdam, Germany

VERITAS Upper Limit on the Very High Energy Emission from the Radio Galaxy NGC 1275

Mon, 16 Nov 2009 00:00:00 GMT

Author(s): V. A. Acciari, E. Aliu, T. Arlen, T. Aune, M. Bautista, M. Beilicke, W. Benbow, D. Boltuch, S. M. Bradbury, J. H. Buckley, V. Bugaev, K. Byrum, A. Cannon, O. Celik, A. Cesarini, L. Ciupik, P. Cogan, W. Cui, R. Dickherber, C. Duke, S. J. Fegan, J. P. Finley, P. Fortin, L. Fortson, A. Furniss, N. Galante, D. Gall, K. Gibbs, G. H. Gillanders, S. Godambe, J. Grube, R. Guenette, G. Gyuk, D. Hanna, J. Holder, D. Horan, C. M. Hui, T. B. Humensky, A. Imran, P. Kaaret, N. Karlsson, M. Kertzman, D. Kieda, A. Konopelko, H. Krawczynski, F. Krennrich, M. J. Lang, S. LeBohec, G. Maier, A. McCann, M. McCutcheon, J. Millis, P. Moriarty, R. Mukherjee, R. A. Ong, A. N. Otte, D. Pandel, J. S. Perkins, M. Pohl, J. Quinn, K. Ragan, P. T. Reynolds, E. Roache, H. J. Rose, M. Schroedter, G. H. Sembroski, A. W. Smith, D. Steele, S. P. Swordy, M. Theiling, J. A. Toner, A. Varlotta, V. V. Vassiliev, S. Vincent, R. G. Wagner, S. P. Wakely, J. E. Ward, T. C. Weekes, A. Weinstein, T. Weisgarber, D. A. Williams, S. Wissel, M. Wood, B. Zitzer, J. Kataoka, E. Cavazzuti, C. C. Cheung, B. Lott, D. J. Thompson, and G. Tosti
Affiliation(s): Fred Lawrence Whipple Observatory, Harvard-Smithsonian Center for Astrophysics, Amado, AZ 85645, USA; Department of Life and Physical Sciences, Galway-Mayo Institute of Technology, Dublin Road, Galway, Republic of Ireland; Department of Physics and Astronomy and the Bartol Research Institute, University of Delaware, Newark, DE 19716, USA; Department of Physics and Astronomy, University of California, Los Angeles, CA 90095, USA; Santa Cruz Institute for Particle Physics and Department of Physics, University of California, Santa Cruz, CA 95064, USA; Physics Department, McGill University, Montreal, QC H3A 2T8, Canada; Department of Physics, Washington University, St. Louis, MO 63130, USA; School of Physics and Astronomy, University of Leeds, Leeds, LS2 9JT, UK; Argonne National Laboratory, 9700 S. Cass Avenue, Argonne, IL 60439, USA; School of Physics, University College Dublin, Belfield, Dublin 4, Republic of Ireland; School of Physics, National University of Ireland, Galway, Republic of Ireland; Astronomy Department, Adler Planetarium and Astronomy Museum, Chicago, IL 60605, USA; Department of Physics, Purdue University, West Lafayette, IN 47907, USA; Department of Physics, Grinnell College, Grinnell, IA 50112-1690, USA; Department of Physics and Astronomy, Barnard College, Columbia University, NY 10027, USA; Department of Physics and Astronomy, University of Utah, Salt Lake City, UT 84112, USA; Laboratoire Leprince-Ringuet, Ecole Polytechnique, CNRS/IN2P3, F-91128 Palaiseau, France; Enrico Fermi Institute, University of Chicago, Chicago, IL 60637, USA; Department of Physics and Astronomy, Iowa State University, Ames, IA 50011, USA; Department of Physics and Astronomy, University of Iowa, Van Allen Hall, Iowa City, IA 52242, USA; Department of Physics and Astronomy, DePauw University, Greencastle, IN 46135-0037, USA; Department of Physics, Pittsburg State University, 1701 South Broadway, Pittsburg, KS 66762, USA; Department of Physics, Anderson University, 1100 East 5th Street, Anderson, IN 46012; Department of Applied Physics and Instrumentation, Cork Institute of Technology, Bishopstown, Cork, Republic of Ireland; Department of Physics and Astronomy, Clemson University, Clemson, SC 29634, USA; Research Institute for Science and Engineering, Waseda University, 3-4-1, Okubo, Shinjuku, Tokyo, 169-8555, Japan; Agenzia Spaziale Italiana (ASI) Science Data Center, I-00044 Frascati (Roma), Italy; NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA; CNRS/IN2P3, Centre dEtudes Nucleaires Bordeaux Gradignan, UMR 5797, Gradignan, 33175, France; Universite de Bordeaux, Centre dEtudes Nucleaires Bordeaux Gradignan, UMR 5797, Gradignan, 33175, France; Istituto Nazionale di Fisica Nucleare, Sezione di Perugia, I-06123 Perugia, Italy; Dipartimento di Fisica, Universita degli Studi di Perugia, I-06123 Perugia, Italy; Author to whom any correspondence should be addressed.