Astrophysics

Authors and titles for September 2005

[601] arXiv:astro-ph/0509602 [pdf, other]

Title: Photometric entropy of stellar populations and related diagnostic tools

Alberto Buzzoni (INAF Osservatorio Astronomico di Bologna, Italy)

Comments: 13 pages and 9 figures. An invited contribution to "Resolved Stellar Populations", Cancun (Mexico) Apr 2005. To appear on the proceedings of the conference edited by D. Valls-Gabaud & M. Chavez, ASP Conf. Ser. (ASP: San Francisco). See this http URL for more info and model retrieval

Subjects: Astrophysics (astro-ph)

[602] arXiv:astro-ph/0509603 [pdf, other]

Title: Particle acceleration in electron-ion jets

K.-I. Nishikawa (NSSTC), P. Hardee (UA), C. B. Hededal (Niels Bohr Institute), G. Richardson (UAH), R. Preece (UAH), H. Sol (Observatore de Paris-Meudon), G. J. Fishman (NASA/MSFC), C. Kouvelioutou (NASA/MSFC), Y. Mizuno (NRC/MSFC)

Comments: 2 pages, 1 figure, Proceedings for Astrophysical Sources of High Energy Particles and Radiation, AIP proceeding Series, eds . T. Bulik, G. Madejski and B. Rudak

Journal-ref: AIP Conf.Proc.801:389,2005

Subjects: Astrophysics (astro-ph)

[603] arXiv:astro-ph/0509604 [pdf, other]

Title: The X-ray Evolution of Merging Galaxies

N. J. Brassington (1), A. M. Read (2), T. J. Ponman (1) ((1) University of Birmingham, (2) University of Leicester)

Comments: 4 pages, 1 figure, to appear in the Proceedings of the IAU Symposium No. 230

Subjects: Astrophysics (astro-ph)

[604] arXiv:astro-ph/0509605 [pdf, other]

Title: Direct evidence for an early reionization of the Universe?

N. Panagia (1), S.M. Fall (2), B. Mobasher (1), M. Dickinson (3), H.C. Ferguson (2), M. Giavalisco (2), D. Stern (4), T. Wiklind (1) ((1) ESA/STScI, (2) STScI, (3) NOAO/Tucson, (4) JPL)

Comments: 6 pages, 2 figures. Accepted for publication in ApJ Letters

Journal-ref: Astrophys.J.633:L1-L4,2005

Subjects: Astrophysics (astro-ph)

[605] arXiv:astro-ph/0509606 [pdf, other]

Title: Deep Astrometric Standards (DAS) and Galactic Structure

I. Platais (1), R. F. G. Wyse (1), N. Zacharias (2) ((1) Johns Hopkins University, (2) US Naval Observatory)

Comments: 41 pages, 9 figures, accepted for publication in PASP

Subjects: Astrophysics (astro-ph)

[606] arXiv:astro-ph/0509607 [pdf, other]

Title: Identifying silicate-absorbed ULIRGs at z~1-2 in the Bootes Field using Spitzer/IRS

M. M. Kasliwal, V. Charmandaris, D. Weedman, J.R. Houck, E. Le Floc'h, S.J.U. Higdon, L. Armus, H. I. Teplitz

Comments: Accepted for Publication in Astrophysical Journal Letters 4 pages, 2 figures, 1 table

Journal-ref: Astrophys.J.634:L1-L4,2005

Subjects: Astrophysics (astro-ph)

[607] arXiv:astro-ph/0509608 [pdf, other]

Title: The correlation of the Lyman-alpha forest and metals in close pairs of hight-redshift quasars

F. Coppolani, P. Petitjean, F. Stoehr, E. Rollinde, C. Pichon, S. Colombi, M. Haehnelt, B. Carswell, R. Teyssier

Comments: To appear in The Fabulous Destiny of Galaxies: Bridging Past and Present, conference held in Marseille, June 2005

Subjects: Astrophysics (astro-ph)

[608] arXiv:astro-ph/0509609 [pdf, other]

Title: Diffuse Optical Light in Galaxy Clusters I: Abell 3888

J. E. Krick (1), R. A. Bernstein (1), K. A. Pimbblet (2) ((1) University of Michigan, (2) University of Queensland)

Comments: 16 pages, 13 figures, 3 tables, AJ accepted

Journal-ref: Astron.J.131:168-184,2006

Subjects: Astrophysics (astro-ph)

[609] arXiv:astro-ph/0509610 [pdf, other]

Title: Double barred galaxies at intermediate redshifts: A feasibility study

Thorsten Lisker (1), Victor P. Debattista (2), Ignacio Ferreras (3), Peter Erwin (4) ((1) U. Basel (2) U. Washington (3) UCL (4) MPE)

Comments: 9 pages + 10 figures. Accepted for publication in MNRAS. Main change from version 1 is an extension of the introduction/motivation and discussion section. A full resolution version including colour figures is available at this http URL

Journal-ref: Mon.Not.Roy.Astron.Soc.370:477,2006

Subjects: Astrophysics (astro-ph)

[610] arXiv:astro-ph/0509611 [pdf, other]

Title: Evidence for a Non-Expanding Universe: Surface Brightness Data From HUDF

Eric J. Lerner (Lawrenceville Plasma Physics)

Comments: 16 pages, 9 figures, to be published in the Proceedings of the First Crisis in Cosmology Conference, AIP proceedings series typos corrected

Journal-ref: AIP Conf.Proc.822:60-74,2006

Subjects: Astrophysics (astro-ph)

[611] arXiv:astro-ph/0509612 [pdf, other]

Title: The Evolved Stellar Content of NGC 147, NGC 185, and NGC 205

T. J. Davidge

Comments: To appear in the Astronomical Journal

Journal-ref: Astron.J.130:2087-2103,2005

Subjects: Astrophysics (astro-ph)

[612] arXiv:astro-ph/0509613 [pdf, other]

Title: S Ori J053825.4-024241: A Classical T Tauri-like object at the substellar boundary

J. A. Caballero, E. L. Martín, M. R. Zapatero Osorio, V. J. S. Béjar, R. Rebolo, Ya. Pavlenko, R. Wainscoat

Comments: 12 pages, 15 figures. Accepted for publication in Astronomy & Astrophysics, section 5. Galactic structure, stellar clusters and populations. The official date of acceptance is 24/08/2005. Acknowledgements of the use of telescopes, instruments, catalogues and software are also given

Subjects: Astrophysics (astro-ph)

[613] arXiv:astro-ph/0509614 [pdf, other]

Title: Oxygen Abundances in the Milky Way Using X-ray Absorption Measurements Towards Galaxy Clusters

Wayne H. Baumgartner, Richard F. Mushotzky

Comments: submitted to ApJ

Journal-ref: Astrophys.J.639:929-940,2006

Subjects: Astrophysics (astro-ph)

[614] arXiv:astro-ph/0509615 [pdf, other]

Title: A gamma-ray burst remnant in our Galaxy: HESS J1303-631

A. Atoyan, J. Buckley, H. Krawczynski

Comments: Replaced by the version accepted in ApJ Letters (to appear in April/May 2006); 4 pages, 3 figures

Journal-ref: Astrophys.J.642:L153-L156,2006

Subjects: Astrophysics (astro-ph)

[615] arXiv:astro-ph/0509616 [pdf, other]

Title: Spectroscopic Studies of z~5.7 and z~6.5 Galaxies: Implications for Reionization

Esther M. Hu (1), Lennox L. Cowie (1), Peter Capak (1,2), Yuko Kakazu (1) ((1) IfA, Univ. of Hawaii, (2) Presently at Caltech)

Comments: 6 pages, 6 figures, to appear in IAU 199 Conf. Proc.: "Probing Galaxies through Quasar Absorption Lines," eds. Williams, Shu, Menard

Journal-ref: IAU Colloq. 199 (2005) 363-368

Subjects: Astrophysics (astro-ph)

[616] arXiv:astro-ph/0509617 [pdf, other]

Title: Isolated, Massive Supergiants near the Galactic Center

M. P. Muno (1), G. C. Bower (2), A. J. Burgasser (3), F. K. Baganoff (4), M. R. Morris (1), W. N. Brandt (5) ((1) UCLA, (2) UC Berkeley, (3) AMNH, (4) MIT, (5) Penn State)

Comments: 9 pages, including 8 figures. Submitted to ApJ, and modified in response to referee's report

Journal-ref: Astrophys.J.638:183-190,2006

Subjects: Astrophysics (astro-ph)

[617] arXiv:astro-ph/0509618 [pdf, other]

Title: Red giant variables: OGLE--II and MACHO

L.L. Kiss, P. Lah

Comments: 6 pages, 5 figures, to appear in the proceedings of the Workshop "Stellar pulsation and evolution", 2005. Monte Porzio Catone, Italy. Eds.: A. R. Walker and G. Bono

Journal-ref: Mem.Soc.Ast.It.77:303-306,2006

Subjects: Astrophysics (astro-ph)

[618] arXiv:astro-ph/0509619 [pdf, other]

Title: An explanation for long flares from extragalactic globular cluster X-ray sources

Thomas J. Maccarone (Amsterdam & Southampton)

Comments: 7 pages, 1 figure, accepted to MNRAS

Journal-ref: Mon.Not.Roy.Astron.Soc.364:971-976,2005

Subjects: Astrophysics (astro-ph)

[619] arXiv:astro-ph/0509620 [pdf, other]

Title: Using the ROSAT Catalogues to find counterparts for the second IBIS/ISGRI Survey Sources

J. B. Stephen, L. Bassani, A. Malizia, A. Bazzano, P. Ubertini, A.J. Bird, A.J. Dean, F. Lebrun, R. Walter

Comments: 6 pages, 4 figures and 2 tables. To be published in Astronomy & Astrophysics

Subjects: Astrophysics (astro-ph)

[620] arXiv:astro-ph/0509621 [pdf, other]

Title: Exact versus approximate solutions in Gamma-Ray Burst afterglows

Carlo Luciano Bianco, Remo Ruffini

Comments: 4 pages, 2 figures, to appear on ApJ Letters

Journal-ref: Astrophys.J.633:L13-L16,2005

Subjects: Astrophysics (astro-ph)

[621] arXiv:astro-ph/0509622 [pdf, other]

Title: The possibility of detecting planets in the Andromeda Galaxy

S.-J. Chung (1), D. Kim (1)The Angstrom Collaboration: M.J. Darnley (2), J.P. Duke (2), A. Gould (4), C. Han (1), Y.-B. Jeon (3), E. Kerins (2), A. Newsam (2), B.-G. Park (3) ((1) Chungbuk Natl. Univ., Korea, (2) Liverpool John Moores University, (3)Korea Astronomy and Space Science Institute, (4) OSU)

Comments: total 8 pages, including 8 figures, ApJ, submitted

Subjects: Astrophysics (astro-ph)

[622] arXiv:astro-ph/0509623 [pdf, other]

Title: Multifrequency VLBA Monitoring of 3C 273 during the INTEGRAL Campaign in 2003 - I. Kinematics of the Parsec Scale Jet from 43 GHz Data

T. Savolainen (1), K. Wiik (1), E. Valtaoja (1), M. Tornikoski (2) ((1) Tuorla Observatory, University of Turku, (2) Metsahovi Radio Observatory, Helsinki University of Technology)

Comments: Accepted for publication in Astronomy & Astrophysics, 16 pages, 15 figures

Journal-ref: Astron.Astrophys. 446 (2006) 71-85

Subjects: Astrophysics (astro-ph)

[623] arXiv:astro-ph/0509624 [pdf, other]

Title: Intra-Group Light in Hickson Compact Groups - A Wavelet Approach

Cristiano Da Rocha (IAG/Uni-Goe, DAS/INPE), Claudia Mendes de Oliveira (IAG/USP), Bodo L. Ziegler (IAG/Uni-Goe)

Comments: Small update on the associated institutions list

Subjects: Astrophysics (astro-ph)

[624] arXiv:astro-ph/0509625 [pdf, other]

Title: The peculiar type Ib supernova 2005bf: explosion of a massive He star with a thin hydrogen envelope?

G. C. Anupama, D. K. Sahu, J. Deng, K. Nomoto, N. Tominaga, M. Tanaka, P. A. Mazzali, T. P. Prabhu

Comments: 13 pages, 4 figures. Accepted for publication in ApJ (Letters)

Journal-ref: Astrophys.J.631:L125-L128,2005

Subjects: Astrophysics (astro-ph)

[625] arXiv:astro-ph/0509626 [pdf, other]

Title: Observational Evidence for an Age Dependence of Halo Bias

Xiaohu Yang (UMass, SHAO), H.J. Mo (UMass), Frank C. van den Bosch (ETH, MPIA)

Comments: 4 pages, 4 figures, Accepted for publication in ApJ Letters. Figures 3 and 4 replaced. The bias dependence on the central galaxy luminosity is omitted due to its sensitivity to the mass model

Journal-ref: Astrophys.J.638:L55-L58,2006

Subjects: Astrophysics (astro-ph)

[626] arXiv:astro-ph/0509627 [pdf, other]

Title: Some thoughts and some new results about the Butcher-Oemler effect

S. Andreon

Comments: Conference proceedings: "The fabulous destiny of galaxies: Bridging past and present", Marseille, June 2005

Subjects: Astrophysics (astro-ph)

[627] arXiv:astro-ph/0509628 [pdf, other]

Title: A large population of galaxies 9 to 12 billion years back in the history of the Universe

O. Le Fevre, S. Paltani, S. Arnouts, S. Charlot, S. Foucaud, O. Ilbert, H. J. McCracken, G. Zamorani, the VIMOS VLT Deep Survey team

Comments: Published in Nature, 22 September 2005

Journal-ref: Nature 437:519,2005

Subjects: Astrophysics (astro-ph)

[628] arXiv:astro-ph/0509629 [pdf, other]

Title: A Needs Analysis Study of Amateur Astronomers For the National Virtual Observatory

A. Price, L. Cohen, J. Mattei, N. Craig

Comments: Accepted in JAAVSO/eJAAVSO

Subjects: Astrophysics (astro-ph)

[629] arXiv:astro-ph/0509630 [pdf, other]

Title: Research on candidates for non-cosmological redshifts

M. Lopez-Corredoira, C. M. Gutierrez

Comments: 18 pages, to be published in the proceedings of the conference "Crisis in Cosmology I", 23 to 25 June 2005, Moncao (Portugal)

Journal-ref: AIP Conf.Proc.822:75-92,2006

Subjects: Astrophysics (astro-ph)

[630] arXiv:astro-ph/0509631 [pdf, other]

Title: Completing the Census of (Bright) Variable Stars in Galactic Globular Clusters

M. Catelan (1), H. A. Smith (2), B. J. Pritzl (3), J. Borissova (4), C. Cacciari (5), R. Contreras (1), T. M. Corwin (6), N. De Lee (2), M. E. Escobar (1), A. C. Layden (7), C. Navarro (1), G. Prieto (1), R. Salinas (1,8), P. B. Stetson (9), A. V. Sweigart (10), E. Vidal (1), M. Zoccali (1), M. Zorotovic (1) ((1) PUC-Chile, (2) Michigan State; (3) Macalester, (4) ESO-Chile, (5) INAF-Bologna, (6) UNC at Charlotte, (7) Bowling Green, (8) Concepcion, (9) DAO-HIA, Canada, (10) NASA/GSFC)

Comments: 4 pages, 4 figures. MSAIt, in press

Subjects: Astrophysics (astro-ph)

[631] arXiv:astro-ph/0509632 [pdf, other]

Title: LISA astronomy of double white dwarf binary systems

A. Stroeer, A. Vecchio, G. Nelemans

Comments: accepted for publication in ApJLetters

Journal-ref: Astrophys.J.633:L33-L36,2005

Subjects: Astrophysics (astro-ph); General Relativity and Quantum Cosmology (gr-qc)

[632] arXiv:astro-ph/0509633 [pdf, other]

Title: Gamma-ray absorption in massive X-ray binaries

Guillaume Dubus

Comments: 10 pages, 10 figures, accepted by A&A

Subjects: Astrophysics (astro-ph)

[633] arXiv:astro-ph/0509634 [pdf, other]

Title: First astronomical detection of the CF+ ion

D. A. Neufeld (JHU), P. Schilke (MPIfR), K. M. Menten (MPIfR), M. G. Wolfire (U Md), J. H. Black (Onsala), F. Schuller (MPIfR), H. Muller (Koln), S. Thorwirth (MPIfR), R. Gusten (MPIfR), S. Philipp (MPIfR)

Comments: 2 pages, 1 figure (uses this http URL), to appear in IAU Symposium No. 231, Astrochemistry - Recent Successes and Current Challenges, eds. D. C. Lis, G. A. Blake & E. Herbst (Cambridge Univ. Press)

Subjects: Astrophysics (astro-ph)

[634] arXiv:astro-ph/0509635 [pdf, other]

Title: The Advective-Acoustic instability in type II Supernovae

P. Galletti (CEA-Saclay), T. Foglizzo (CEA-Saclay)

Comments: 4 pages, 3 figures, conference : SF2A-2005 (Semaine de l'Astrophysique Francaise)

Subjects: Astrophysics (astro-ph)

[635] arXiv:astro-ph/0509636 [pdf, other]

Title: CHANDRA Observations of the X-ray Halo around the Crab Nebula

F. D. Seward, P. Gorenstein, R. K. Smith

Comments: 26 pages, 12 figures, accepted by ApJ

Journal-ref: Astrophys.J.636:873-880,2006

Subjects: Astrophysics (astro-ph)

[636] arXiv:astro-ph/0509637 [pdf, other]

Title: A disk of dust and molecular gas around a high-mass protostar

Nimesh A. Patel, Salvador Curiel, T. K. Sridharan, Qizhou Zhang, Todd R. Hunter, Paul T. P. Ho, Jose M. Torrelles, James M. Moran, Jose F. Gomez, Guillem Anglada

Journal-ref: Nature 437 (2005) 109

Subjects: Astrophysics (astro-ph)

[637] arXiv:astro-ph/0509638 [pdf, other]

Title: A "Combination Nova" Outburst in Z Andromedae: Nuclear Shell Burning Triggered by a Disk Instability

J. L. Sokoloski (1), S. J. Kenyon (1), B. R. Espey (2 and 3), Charles D. Keyes (4), S. R. McCandliss (5), A. K. H. Kong (1), J. P. Aufdenberg (6), A. V. Filippenko (7), W. Li (7), C. Brocksopp (8), Christian R. Kaiser (9), P. A. Charles (9 and10), M. P. Rupen (11), R. P. S. Stone (12) ((1) SAO, (2) Trinity College Dublin, (3) Dublin IAS, (4) STScI, (5) JHU, (6) NOAO, (7) U. C. Berkeley, (8) MSSL, (9) U. Southampton, (10) SAAO, (11) NRAO, (12) UCO/Lick Observatory)

Comments: Accepted for publication in ApJ. 24 pages, 10 figures

Journal-ref: Astrophys.J.636:1002-1019,2006

Subjects: Astrophysics (astro-ph)

[638] arXiv:astro-ph/0509639 [pdf, other]

Title: Infrared Surface Brightness Distances to Cepheids

Thomas G. Barnes III, Jesper Storm, William H. Jefferys, Wolfgang P. Gieren, Pascal Fouque

Comments: 4 pages, 4 figures, conference contribution

Subjects: Astrophysics (astro-ph)

[639] arXiv:astro-ph/0509640 [pdf, other]

Title: Outshining the quasars at reionisation: The X-ray spectrum and lightcurve of the redshift 6.29 Gamma-Ray Burst GRB050904

D. Watson (1), J. N. Reeves (2,3), J. Hjorth (1), J. P. U. Fynbo (1), P. Jakobsson (1), K. Pedersen (1), J. Sollerman (1), J. M. Castro Cerón (1), S. McBreen (4), S. Foley (5) ((1) DARK Copenhagen, (2) NASA-GSFC (3) USRA (4) ESA-ESTEC (5) University College Dublin)

Comments: Accepted for publication in ApJL. 5 pages with emulateapj, 3 figures

Journal-ref: Astrophys.J. 637 (2006) L69-L72

Subjects: Astrophysics (astro-ph)

[640] arXiv:astro-ph/0509641 [pdf, other]

Title: Galaxies at z~6: The UV Luminosity Function and Luminosity Density from 506 UDF, UDF-Ps, and GOODS i-dropouts

R.J. Bouwens (UCSC), G.D. Illingworth (UCSC), J.P. Blakeslee (WSU), M. Franx (Leiden)

Comments: 36 pages, 22 figures, 24 tables, accepted for publication in the Astrophysical Journal. Very minor changes made to exactly match version in press

Subjects: Astrophysics (astro-ph)

[641] arXiv:astro-ph/0509642 [pdf, other]

Title: A Bar Signature and Central Disk in the Gaseous and Stellar Velocity Fields of NGC5448

Kambiz Fathi, Glenn van de Ven, Reynier F. Peletier, Eric Emsellem, Jesús Falcón-Barroso, Michele Cappellari, Tim de Zeeuw

Comments: 11 pages, 8 figures. Accepted for publication in MNRAS. Please find high resolution version on this http URL

Subjects: Astrophysics (astro-ph)

[642] arXiv:astro-ph/0509643 [pdf, other]

Title: Chemistry and line emission of outer protoplanetary disks

Inga Kamp, Cornelis P. Dullemond, Michiel Hogerheijde, Jesus Emilio Enriquez

Comments: 10 pages, 6 figures, to be published in the conferences proceedings of the IAU Symposium 231 on Astrochemistry

Subjects: Astrophysics (astro-ph)

[643] arXiv:astro-ph/0509644 [pdf, other]

Title: Is there Evidence for Flat Cores in the Halos of Dwarf Galaxies?: The Case of NGC 3109 and NGC 6822

Octavio Valenzuela (1), George Rhee (2), Anatoly Klypin (3), Fabio Governato (4,1), Gregory Stinson (1), Thomas Quinn (1), James Wadsley (5) ((1)University of Washington,(2)UNLV,(3)NMSU, (4)INAF--Brera (5)McMaster Univ.)

Comments: Accepted for publication in the ApJ. New discussion, figures and one appendix. High resolution version at:this http URL

Journal-ref: Astrophys.J.657:773-789,2007

Subjects: Astrophysics (astro-ph)

[644] arXiv:astro-ph/0509645 [pdf, other]

Title: GMRT observations of the field of INTEGRAL X-ray sources- I

M. Pandey, R. K. Manchanda, A. P. Rao, P. Durouchoux, Ishwara-Chandra

Comments: 14 pages, 10 figures,accepted in A&A

Subjects: Astrophysics (astro-ph)

[645] arXiv:astro-ph/0509646 [pdf, other]

Title: Black Hole Mass of the Ultraluminous X-ray source M82 X-1

Gulab C. Dewangan (Carnegie Mellon Univ.), Lev Titarchuk (George Mason Univ. & NRL), Richard E. Griffiths (Carnegie Mellon Univ.)

Comments: Final version, accepted for publication in ApJ Letters

Journal-ref: Astrophys.J.637:L21-L24,2006

Subjects: Astrophysics (astro-ph)

[646] arXiv:astro-ph/0509647 [pdf, other]

Title: Cluster Merger Variance and the Luminosity Gap Statistic

Milos Milosavljevic (Caltech), Christopher J. Miller (CTIO), Steven R. Furlanetto (Caltech), Asantha Cooray (UC Irvine)

Comments: 5 pages, 3 figures

Journal-ref: Astrophys.J.637:L9-L12,2006

Subjects: Astrophysics (astro-ph)

[647] arXiv:astro-ph/0509648 [pdf, other]

Title: Measurements of the f-Values of the Resonance Transitions of Ni II at 1317.217A and 1370.132A

Edward B. Jenkins (Princeton Univ.), Todd M. Tripp (Univ. of Massachusetts)

Comments: 14 pages, 4 figures, accepted for publication in the Astrophysical Journal

Journal-ref: Astrophys.J.637:548-552,2006

Subjects: Astrophysics (astro-ph)

[648] arXiv:astro-ph/0509649 [pdf, other]

Title: Spitzer 70 and 160-micron Observations of the Extragalactic First Look Survey

D. T. Frayer, D. Fadda, L. Yan, F. R. Marleau, P. I. Choi, G. Helou, B. T. Soifer, P. N. Appleton, L. Armus, R. Beck, H. Dole, C. W. Engelbracht, F. Fang, K. D. Gordon, I. Heinrichsen, D. Henderson, T. Hesselroth, M. Im, D. M. Kelly, M. Lacy, S. Laine, W. B. Latter, W. Mahoney, D. Makovoz, F. J. Masci, J. E. Morrison, M. Moshir, A. Noriega-Crespo, D. L. Padgett, M. Pesenson, D. L. Shupe, G. K. Squires, L. J. Storrie-Lombardi, J. A. Surace, H. I. Teplitz, G. Wilson

Comments: 16 pages including 11 figures. Accepted AJ

Journal-ref: Astron.J.131:250-260,2006

Subjects: Astrophysics (astro-ph)

[649] arXiv:astro-ph/0509650 [pdf, other]

Title: Imprints of Environment on Cluster and Field Late-type Galaxies at z~1

N.L. Homeier (JHU), M. Postman (STScI), F. Menanteau (JHU), J.P. Blakeslee (WSU), S. Mei (JHU), R. Demarco (JHU), H.C. Ford (JHU), G.D. Illingworth (UCSC), A. Zirm (JHU)

Comments: updated title

Subjects: Astrophysics (astro-ph)

[650] arXiv:astro-ph/0509651 [pdf, other]

Title: The 21-cm Background from the Cosmic Dark Ages: Minihalos and the Intergalactic Medium before Reionization

Kyungjin Ahn, Paul R. Shapiro, Marcelo A. Alvarez, Ilian T. Iliev, Hugo Martel, Dongsu Ryu

Comments: 8 pages, 5 figures. To appear in proceedings of UC Irvine May 2005 workshop on "First Light & Reionization", eds. E. Barton & A. Cooray, New Astronomy Reviews, in press

Journal-ref: New Astron.Rev.50:179-183,2006

Subjects: Astrophysics (astro-ph)