THE ASTROPHYSICAL JOURNAL CONTENTS OF VOLUME 661, PART | 2007 MAY 20, NUMBER | CONSTRAINTS ON FUNDAMENTAL COSMOLOGICAL PARAMETERS WITH UPCOMING REDSHIFTED 21 cm OBSERVATIONS Judd D. Bowman, Miguel F; Morales, & Jacqueline N. Hewitt THE SPATIAL DISTRIBUTION OF THE GALACTIC FIRST STARS. II. SMOOTHED PARTICLE HYDRODYNAMICS APPROACH Chris B. Brook, Daisuke Kawata, Evan Scannapieco, Hugo Martel, & Brad K. Gibson X-RAY AND OPTICAL FLUX RATIO ANOMALIES IN QUADRUPLY LENSED QUASARS. I. ZOOMING IN ON QUASAR EMISSION REGIONS David Pooley, Jeffrey A. Blackburne, Saul Rappaport, & Paul L. Schechter AN INVESTIGATION INTO THE EFFECTS OF LUMINOSITY ON THE MID-INFRARED SPECTRAL ENERGY DISTRIBUTIONS OF RADIO-QUIET QUASARS S. C. Gallagher, G. T. Richards, M. Lacy, D. C. Hines, M. Elitzur, & L. J. Storrie-Lombardi FOURIER-RESOLVED SPECTROSCOPY OF ACTIVE GALACTIC NUCLEI USING XMM-NEWTON DATA. I. THE 3—10 keV BAND RESULTS © I. E. Papadakis, Z. loannou, & D. Kazanas AGN OBSCURING TORI SUPPORTED BY INFRARED RADIATION PRESSURE Julian H. Krolik VARIABILITY OF MODERATE-LUMINOSITY ACTIVE GALACTIC NUCLEI AT z=0.36 © Jong-Hak Woo, Tommaso Treu, Matthew A. Malkan, Matthew A. Ferry, & Tony Misch DOMINANT NUCLEAR OUTFLOW DRIVING MECHANISMS IN POWERFUL RADIO GALAXIES Dan Batcheldor, Clive Tadhunter, Joanna Holt, Raffaella Morganti, Christopher P. O'Dea, David J. Axon, & Anton Koekemoer POLARIMETRY OF COMPACT SYMMETRIC OBJECTS © N. E. Gugliucci, G. B. Taylor, A. B. Peck, & M. Giroletti THE ROLE OF SUB-DAMPED Lya ABSORBERS IN THE COSMIC EVOLUTION OF METALS © V. P. Kulkarni, P. Khare, C. Péroux, D. G. York, J. T. Lauroesch, & J. D. Meiring AN INCREASE IN THE FAINT RED GALAXY POPULATION IN MASSIVE CLUSTERS SINCE z ~ 0.5 J. P. Stott, lan Smail, A. C. Edge, H. Ebeling, G. P. Smith, J.-P. Kneib, & K. A. Pimbblet DUST AND ATOMIC GAS IN DWARF IRREGULAR GALAXIES OF THE M81 GROUP: THE SINGS AND THINGS VIEW Fabian Walter, John M. Cannon, Héléne Roussel, George J. Bendo, Daniela Calzetti, Daniel A. Dale, Bruce T. Draine, George Helou, Robert C. Kennicutt Jr., John Moustakas, George H. Rieke, Lee Armus, Charles W. Engelbracht, Karl Gordon, David J. Hollenbach, Janice Lee, Aigen Li, Martin J. Meyer, Eric J. Murphy, Michael W. Regan, John-David T. Smith, Elias Brinks, W. J. G. de Blok, Frank Bigiel, & Michele D. Thornley CHEMICAL AND PHOTOMETRIC EVOLUTION OF EXTENDED ULTRAVIOLET DISKS: OPTICAL SPECTROSCOPY OF M83 (NGC 5236) AND NGC 4625. © Armando Gil de Paz, Barry F: Madore, Samuel Boissier, David Thilker, Luciana Bianchi, Carmen Sanchez Contreras, Tom A. Barlow, Tim Conrow, Karl Forster, Peter G. Friedman, D. Christopher Martin, Patrick Morrissey, Susan G. Neff, R. Michael Rich, David Schiminovich, Mark Seibert, Todd Small, José Donas, Timothy M. Heckman, Young-Wook Lee, Bruno Milliard, Alex S. Szalay, Ted K. Wyder, & Sukyoung Yi CHANDRA MONITORING OBSERVATIONS OF THE ANTENNAE GALAXIES. II. X-RAY LUMINOSITY FUNCTIONS A. Zezas, G. Fabbiano, A. Baldi, Francois Schweizer, A. R. King, A. H. Rots, & T. J. Ponman RESOLVING THE STELLAR POPULATIONS IN THE CIRCUMNUCLEAR RING OF NGC 7469 © T. Diaz-Santos, A. Alonso-Herrero, L. Colina, S. D. Ryder, & J. H. Knapen OPTICAL STUDIES OF THE ULTRALUMINOUS X-RAY SOURCE NGC 1313 X-2. © Ji-Feng Liu, Joel Bregman, Jon Miller, & Philip Kaaret H 1 AND OH ABSORPTION TOWARD NGC 6240 Willem A. Baan, Yoshiaki Hagiwara, & Peter Hofner CONTENTS A NEW TYPE OF COSMIC-RAY ANISOTROPY FROM PERPENDICULAR DIFFUSION. I. MODIFICATION OF THE SPATIAL DIFFUSION TENSOR AND THE DIFFUSION-CONVECTION COSMIC-RAY TRANSPORT EQUATION R. Schlickeiser, U. Dohle, R. C. Tautz, & A. Shalchi ELECTRON INJECTION AT HIGH MACH NUMBER QUASI-PERPENDICULAR SHOCKS: SURFING AND DRIFT ACCELERATION T. Amano & M. Hoshino MODEL ATMOSPHERES FOR IRRADIATED GIANT STARS: IMPLICATIONS FOR THE GALACTIC CENTER Raul Jimenez, Juliana P. da Silva, S. Peng Oh, Uffe G. Jorgensen, & David Merritt WHERE THE BLUE STRAGGLERS ROAM: SEARCHING FOR A LINK BETWEEN FORMATION AND ENVIRONMENT Nathan Leigh, Alison Sills, & Christian Knigge A STUDY OF THE VERTICAL MOTION OF SUPERNOVA REMNANT BUBBLES IN THE INTERSTELLAR MEDIUM DRAWN FROM THE RESULTS OF THREE-DIMENSIONAL MHD SIMULATIONS E. A. Raley, R. L. Shelton, & T. Plewa H.E.S.S. OBSERVATIONS OF THE SUPERNOVA REMNANT RX J0852.0—4622: SHELL-TYPE MORPHOLOGY AND SPECTRUM OF A WIDELY EXTENDED VERY HIGH ENERGY GAMMA-RAY SOURCE © F; Aharonian, A. G. Akhperjanian, A. R. Bazer-Bachi, M. Beilicke, W. Benbow, D. Berge, K. Bernlohr, C. Boisson, O. Belz, V. Borrel, 1. Braun, A. M. Brown, R. Biihler, I. Biisching, S. Carrigan, P. M. Chadwick, L.-M. Chounet, G. Coignet, R. Cornils, L. Costamante, B. Degrange, H. J. Dickinson, A. Djannati-Atai, L. O’C. Drury, G. Dubus, K. Egberts, D. Emmanoulopoulos, P. Espigat, F- Feinstein, E. Ferrero, A. Fiasson, M. D. Filipovic, G. Fontaine, Y. Fukui, Seb. Funk, S. Funk, M. Fiifling, Y. A. Gallant, B. Giebels, J. F: Glicenstein, P. Goret, C. Hadjichristidis, D. Hauser, M. Hauser, G. Heinzelmann, G. Henri, G. Hermann, J. A. Hinton, J. S. Hiraga, A. Hoffmann, W. Hofmann, M. Holleran, S. Hoppe, D. Horns, Y. Ishisaki, A. Jacholkowska, O. C. de Jager, E. Kendziorra, M. Kerschhaggl, B. Khélifi, Nu. Komin, A. Konopelko, K. Kosack, G. Lamanna, 1. J. Latham, R. Le Gallou, A. Lemiére, M. Lemoine-Goumard, T. Lohse, J. M. Martin, O. Martineau-Huynh, A. Marcowith, C. Masterson, G. Maurin, T. J. L. McComb, E. Moulin, Y. Moriguchi, M. de Naurois, D. Nedbal, S. J. Nolan, A. Noutsos, K. J. Orford, J. L. Osborne, M. Ouchrif, M. Panter, G. Pelletier, S. Pita, G. Piihlhofer, M. Punch, S. Ranchon, B. C. Raubenheimer, M. Raue, S. M. Rayner, A. Reimer, J. Ripken, L. Rob, L. Rolland, S. Rosier-Lees, G. Rowell, V. Sahakian, A. Santangelo, L. Saugeé, S. Schlenker, R. Schlickeiser, R. Schréder, U. Schwanke, S. Schwarzburg, S. Schwemmer, A. Shalchi, H. Sol, D. Spangler, F- Spanier, R. Steenkamp, C. Stegmann, G. Superina, P. H. Tam, J.-P. Tavernet, R. Terrier, M. Tluczykont, C. van Eldik, G. Vasileiadis, C. Venter, J. P. Vialle, P. Vincent, H. J. Volk, S. J. Wagner, & M. Ward MOLECULAR LINE SURVEY OF CRL 618 FROM 80 TO 276 GHz AND COMPLETE MODEL Juan R. Pardo, José Cernicharo, Javier R. Goicoechea, Michel Guélin, & Andrés Asensio Ramos THE VIRIAL BALANCE OF CLUMPS AND CORES IN MOLECULAR CLOUDS © Sami Dib, Jongsoo Kim, Enrique Vazquez-Semadeni, Andreas Burkert, & Mohsen Shadmehri AUTOMATIC DETECTION OF EXPANDING H 1 SHELLS IN THE CANADIAN GALACTIC PLANE SURVEY DATA Anik Daigle, Gilles Joncas, & Mare Parizeau AN XMM-NEWTON OBSERVATION OF THE LOCAL BUBBLE USING A SHADOWING FILAMENT IN THE SOUTHERN GALACTIC HEMISPHERE David B. Henley, Robin L. Shelton, & K. D. Kuntz NUMERICAL SIMULATION OF DUST AGGREGATE COLLISIONS. I. COMPRESSION AND DISRUPTION OF TWO-DIMENSIONAL AGGREGATES Koji Wada, Hidekazu Tanaka, Toru Suyama, Hiroshi Kimura, & Tetsuo Yamamoto MOLECULAR HYDROGEN EMISSION FROM PROTOPLANETARY DISKS. IL. EFFECTS OF X-RAY IRRADIATION AND DUST EVOLUTION H. Nomura, Y. Aikawa, M. Tsujimoto, Y. Nakagawa, & T. J. Millar CHARACTERIZING THE DISK AROUND THE TW HYDRAE ASSOCIATION BROWN DWARF 2MASSW J1207334—393254 © Basmah Riaz & John E. Gizis ABUNDANT CRYSTALLINE SILICATES IN THE DISK OF A VERY LOW MASS STAR © B. Merin, J.-C. Augereau, E. F. van Dishoeck, J. Kessler-Silacci, C. P. Dullemond, G. A. Blake, F: Lahuis, J. M. Brown, V. C. Geers, K. M. Pontoppidan, F- Comeron, A. Frasca, S. Guieu, J. M. Alcala, A. C. A. Boogert, N. J. Evans Il, P. D'Alessio, L. G. Mundy, & N. Chapman HIGH-RESOLUTION IMAGING OF THE DUST DISK AROUND 49 CETI Z. Wahhaj, D. W. Koerner, & A. 1. Sargent THE INNER RIM OF YSO DISKS: EFFECTS OF DUST GRAIN EVOLUTION © A. Tannirkulam, T. J. Harries, & J. D. Monnier SELF-SIMILAR SOLUTIONS FOR THE EMERGENCE OF ENERGY-VARYING SHOCK WAVES FROM PLANE-PARALLEL ATMOSPHERES Akihiro Suzuki & Toshikazu Shigevama ON THE REDSHIFT DISTRIBUTION OF GAMMA-RAY BURSTS IN THE SWIFT ERA Truong Le & Charles D. Dermer CONTENTS PARTICLE ACCELERATION IN ADVECTION-DOMINATED ACCRETION DISKS WITH SHOCKS: GREEN’S FUNCTION ENERGY DISTRIBUTION Truong Le & Peter A. Becker GRAVITATIONAL RECOIL FROM SPINNING BINARY BLACK HOLE MERGERS © Frank Herrmann, lan Hinder, Deirdre Shoemaker, Pablo Laguna, & Richard A. Matzner LOST AND FOUND: A NEW POSITION AND INFRARED COUNTERPART FOR THE X-RAY BINARY SCUTUM X-1 David L. Kaplan, Alan M. Levine, Deepto Chakrabarty, Edward H. Morgan, Dawn K. Erb, Bryan M. Gaensler, Dae-Sik Moon, & P. Brian Cameron THE ORBIT OF THE ECLIPSING X-RAY PULSAR EXO 1722-363 Thomas W. J. Thompson, John A. Tomsick, J. J. M. in t Zand, Richard E. Rothschild, & Roland Walter THE GIANT FLARE OF 2004 DECEMBER 27 FROM SGR 1806—20 Steven E. Boggs, A. Zoglauer, E. Bellm, K. Hurley, R. P. Lin, D. M. Smith, C. Wigger, & W. Hajdas HYDROGEN-TRIGGERED TYPE I X-RAY BURSTS IN A TWO-ZONE MODEL Randall L. Cooper & Ramesh Narayan DISCOVERY OF PHOTOSPHERIC CALCIUM LINE-STRENGTH VARIATIONS IN THE DAZd WHITE DWARF G29-38 Ted von Hippel & Susan E. Thompson ACCRETION ONTO THE COMPANION OF 7) CARINAE DURING THE SPECTROSCOPIC EVENT. IV. THE DISAPPEARANCE OF HIGHLY IONIZED LINES Noam Soker COMPARING 7) CARINAE WITH THE RED RECTANGLE © Noam Soker PRECISION MASSES OF THE LOW-MASS BINARY SYSTEM GJ 623. © Frantz Martinache, James P. Lloyd, Michael J. Ireland, Rvan S. Yamada, & Peter G. Tuthill POSSIBLE SOLUTIONS TO THE RADIUS ANOMALIES OF TRANSITING GIANT PLANETS A. Burrows, 1. Hubeny, J. Budaj, & W. B. Hubbard A THERMOSPHERIC CIRCULATION MODEL FOR EXTRASOLAR GIANT PLANETS © T. T. Koskinen, A. D. Aylward, C. G. A. Smith, & S. Miller A PLANETARY COMPANION TO THE HYADES GIANT ¢« TAURI Bun’ei Sato, Hideyuki Izumiura, Eri Tovota, Eiji Kambe, Yoichi Takeda, Seiji Masuda, Masashi Omiva, Daisuke Murata, Yoichi Itoh, Hiroyasu Ando, Michitoshi Yoshida, Masahiro koma, Eiichiro Kokubo, & Shigeru Ida ON THE SIZE OF STRUCTURES IN THE SOLAR CORONA C. E. DeForest THE CORONAL-DIMMING FOOTPRINT OF A STREAMER-PUFF CORONAL MASS EJECTION: CONFIRMATION OF THE MAGNETIC-ARCH-BLOWOUT SCENARIO Ronald L. Moore & Alphonse C. Sterling POTENTIAL MAGNETIC FIELD AROUND A HELICAL FLUX ROPE CURRENT STRUCTURE IN THE SOLAR CORONA G. J. D. Petrie CONTAMINATION BY SURFACE EFFECTS OF TIME-DISTANCE HELIOSEISMIC INVERSIONS FOR SOUND SPEED BENEATH SUNSPOTS S. Couvidat & S. P. Rajaguru COUPLED GROUPS OF g-MODES IN A SUN WITH A MIXED CORE Charles L. Wolff & Adam E. O'Donovan SCATTERING OF p-MODES BY A THIN MAGNETIC FLUX TUBE Mykola Gordouskvy & Rekha Jain ANGULAR MOMENTUM TRANSPORT AND PROTON~ ALPHA-PARTICLE DIFFERENTIAL STREAMING IN THE SOLAR WIND Bo Li, Shadia Rifai Habbal, & Xing Li THE FORMATION OF ICE GIANTS IN A PACKED OLIGARCHY: INSTABILITY AND AFTERMATH Eric B. Ford & Eugene I. Chiang INITIAL RESULTS FROM THE USNO DISPERSED FOURIER TRANSFORM SPECTROGRAPH Arsen R. Hajian, Bradford B. Behr, Andrew T. Cenko, Robert P. Olling, David Mozurkewich, J. Thomas Armstrong, Brian Pohl, Sevan Petrossian, Kevin H. Knuth, Robert B. Hindsley, Marc Murison, Michael Efroimsky, Ronald Dantowitz, Marek Kozubal, Douglas G. Currie, Tyler E. Nordgren, Christopher Tycner, & Robert S. McMillan COMMON-PATH SPECTROPOLARIMETRIC DIFFERENTIAL IMAGER USING VARIABLE CHANNELED SPECTRUM N. Murakami, L. Abe, M. Tamura, & N. Baba CONTENTS 2007 JUNE 1, NUMBER 2 ESTIMATING POWER SPECTRUM OF SUNYAEV-ZELDOVICH EFFECT FROM THE CROSS-CORRELATION BETWEEN THE WILKINSON MICROWAVE ANISTROPY PROBE AND THE TWO MICRON ALL SKY SURVEY Liang Cao, Jiren Liu, & Li-Zhi Fang THE VELOCITY FIELD OF THE LOCAL UNIVERSE FROM MEASUREMENTS OF TYPE Ia SUPERNOVAE © Troels Haugbolle, Steen Hannestad, Bjarne Thomsen, Johan Fynbo, Jesper Sollerman, & Saurabh Jha ANTICORRELATION BETWEEN THE MASS OF A SUPERMASSIVE BLACK HOLE AND THE MASS ACCRETION RATE IN TYPE | ULTRALUMINOUS INFRARED GALAXIES AND NEARBY QSOs Nozomu Kawakatu, Masatoshi Imanishi, & Tohru Nagao SEPARATING THE WEAK LENSING AND KINETIC SUNYAEV-ZELDOVICH EFFECTS FROM COSMIC MICROWAVE BACKGROUND TEMPERATURE MAPS Mario A. Riquelme & David N. Spergel DISCOVERY OF PROBABLE RELATIVISTIC Fe EMISSION AND ABSORPTION IN THE CLOVERLEAF QUASAR H 1413+117. © G. Chartas, M. Eracleous, X. Dai, E. Agol, & S. Gallagher DYNAMICS OF ACCRETION FLOWS IRRADIATED BY A QUASAR Daniel Proga A STATISTICAL METHOD FOR ESTIMATING LUMINOSITY FUNCTIONS USING TRUNCATED DATA Chad M. Schafer ON THE HETEROGENEITY OF METAL-LINE AND Lya ABSORPTION IN GALAXY “HALOS” ATz~ 0.7. © Christopher W. Churchill, Glenn G. Kacprzak, Charles C. Steidel, & Jessica L. Evans AN INFRARED STUDY OF THE LARGE-SCALE JET IN QUASAR PKS 1136—135 Yasunobu Uchiyama, C. Megan Urry, Paolo Coppi, Jeffrey Van Duyne, C. C. Cheung, Rita M. Sambruna, Tadayuki Takahashi, Fabrizio Tavecchio, & Laura Maraschi DISCOVERY OF A RINGLIKE DARK MATTER STRUCTURE IN THE CORE OF THE GALAXY CLUSTER C1 0024+17. © M. J. Jee, H. C. Ford, G. D. Illingworth, R. L. White, T. J. Broadhurst, D. A. Coe, G. R. Meurer, A. van der Wel, N. Benitez, J. P. Blakeslee, R. J. Bouwens, L. D. Bradley, R. Demarco, N. L. Homeier, A. R. Martel, & S. Mei A KECK SPECTROSCOPIC SURVEY OF MS 1054—03 (z = 0.83): FORMING THE RED SEQUENCE © Kim-Vv H. Tran, Marijn Franx, Garth D. Illingworth, Pieter van Dokkum, Daniel D. Kelson, John P. Blakeslee, & Marc Postman NEAR-INFRARED OBSERVATIONS OF GLOBULAR CLUSTERS IN NGC 4472, NGC 4594, NGC 3585, AND NGC 5813 AND IMPLICATIONS FOR THEIR AGES AND METALLICITIES M. Hempel, S. Zepf; A. Kundu, D. Geisler, & T. J. Maccarone GAS ACCRETION BY GLOBULAR CLUSTERS AND NUCLEATED DWARF GALAXIES AND THE FORMATION OF THE ARCHES AND QUINTUPLET CLUSTERS Douglas N. C. Lin & Stephen D. Murray GAMMA-RAY BURST AFTERGLOWS AS PROBES OF ENVIRONMENT AND BLAST WAVE PHYSICS. I. ABSORPTION BY HOST-GALAXY GAS AND DUST R. L. C. Starling, R. A. M. J. Wijers, K. Wiersema, E. Rol, P. A. Curran, C. Kouveliotou, A. J. van der Horst, & M. H. M. Heemskerk THE SURVEY FOR IONIZATION IN NEUTRAL GAS GALAXIES. IIL DIFFUSE, WARM IONIZED MEDIUM AND ESCAPE OF IONIZING RADIATION © M. S. Oey, G. R. Meurer, S. Yelda, E. J. Furst, 8S. M. Caballero-Nieves, D. J. Hanish, E. M. Levesque, D. A. Thilker, G. L. Walth, J. Bland-Hawthorn, M. A. Dopita, H. C. Ferguson, T. M. Heckman, M. T. Doyle, M. J. Drinkwater, K. C. Freeman, R. C. Kennicutt Jr, V. A. Kilborn, P. M. Knezek, B. Koribalski, M. Meyer, M. E. Putman, E. V. Ryvan-Weber, R. C. Smith, L. Staveley-Smith, R. L. Webster, J. Werk, & M. A. Zwaan TIP OF THE RED GIANT BRANCH DISTANCES. Il. ZERO-POINT CALIBRATION © Luca Rizzi, R. Brent Tully, Dmitry Makarov, Lidia Makarova, Andrew E. Dolphin, Shoko Sakai, & Edward J. Shaya HIGH-RESOLUTION MOLECULAR GAS MAPS OF M33 Erik Rosolowsky, Eric Keto, Satoki Matsushita, & S. P. Willner CENTRAL STARS OF PLANETARY NEBULAE IN THE MAGELLANIC CLOUDS: A DETAILED SPECTROSCOPIC ANALYSIS © J. E. Herald & L. Bianchi CORRELATION BETWEEN FLUX AND SPECTRAL INDEX DURING FLARES IN SAGITTARIUS A* © Jonathan M. Bittner, Siming Liu, Christopher L. Fryer, & Vahé Petrosian X-RAY LOCALIZATION OF THE GLOBULAR CLUSTER G1 WITH XMM-NEWTON Albert K. H. Kong PARTICLE ACCELERATION IN SUPERNOVA REMNANTS AND THE PRODUCTION OF THERMAL AND NONTHERMAL RADIATION Donald C. Ellison, Daniel J. Patnaude, Patrick Slane, Pasquale Blasi, & Stefano Gabici CONTENTS KECK AND EUROPEAN SOUTHERN OBSERVATORY VERY LARGE TELESCOPE VIEW OF THE SYMMETRY OF THE EJECTA OF THE XRF/SN 2006aj © Paolo A. Mazzali, Rvan J. Foley, Jinsong Deng, Ferdinando Patat, Elena Pian, Dietrich Baade, Joshua S. Bloom, Alexei V. Filippenko, Daniel A. Perley, Stefano Valenti, Lifan Wang, Koji Kawabata, Keiichi Maeda, & Ken-ichi Nomoto ON THE FORMATION OF GLYCOLALDEHYDE (HCOCH;OH )A ND METHYL FORMATE (HCOOCH;) IN INTERSTELLAR ICE ANALOGS © Chris J. Bennett & RalfI . Kaiser MAGNETIC FIELDS IN STELLAR JETS Patrick Hartigan, Adam Frank, Peggy Varniére, & Eric G. Blackman INFRARED SPECTROSCOPY OF DIAMONDOID MOLECULES: NEW INSIGHTS INTO THE PRESENCE OF NANODIAMONDS IN THE INTERSTELLAR MEDIUM © Olivier Pirali, Michel Vervloet, Jeremy E. Dahl, Robert M. K. Carlson, A. G. G. M. Tielens, & Jos Oomens OPTICAL AND NEAR-IR IMAGING OF THE DARK GLOBULE CB 52 B. Maiolo, F- Strafelia, L. Campeggio, D. Elia, & S. Aiello EVIDENCE FOR INVERTED-SPECTRUM 20 GHz EMISSION IN THE GALACTIC PLANE S. P. Boughn & J. C. Pober SPITZER LIMITS ON DUST EMISSION AND OPTICAL GAS ABSORPTION VARIABILITY AROUND NEARBY STARS WITH EDGE-ON CIRCUMSTELLAR DISK SIGNATURES Seth Redfield, Jacqueline E. Kessler-Silacci, & Lucas A. Cieza TWO REGIMES OF TURBULENT FRAGMENTATION AND THE STELLAR INITIAL MASS FUNCTION FROM PRIMORDIAL TO PRESENT-DAY STAR FORMATION © Paolo Padoan, Ake Nordlund, Alexei G. Kritsuk, Michael L. Norman, & Pak Shing Li A SPECTACULAR RADIO FLARE FROM XRF 050416a AT 40 DAYS AND IMPLICATIONS FOR THE NATURE OF X-RAY FLASHES A. M. Soderberg, E. Nakar, S. B. Cenko, P. B. Cameron, D. A. Frail, S. R. Kulkarni, D. B. Fox, E. Berger, A. Gal-Yam, D-S. Moon, P. A. Price, G. Anderson, B. P. Schmidt, M. Salvo, J. Rich, A. Rau, E. O. Ofek, R. A. Chevalier, M. Hamuy, F- A. Harrison, P. Kumar, A. MacFadyen, P. J. McCarthy, H. S. Park, B. A. Peterson, M. M. Phillips, M. Rauch, M. Roth, & S. Shectman SIGNATURES OF DELAYED DETONATION, ASYMMETRY, AND ELECTRON CAPTURE IN THE MID-INFRARED SPECTRA OF SUPERNOVAE 2003hv AND 2005df © Christopher L. Gerardy, W. P. S. Meikle, Rubina Kotak, Peter Hoflich, Duncan Farrah, Alexei V. Filippenko, Rvan J. Foley, Peter Lundqvist, Seppo Mattila, Monica Pozzo, Jesper Sollerman, Schuyler D. Van Dyk, & J. Craig Wheeler ON THE PROGENITORS OF TWO TYPE II-P SUPERNOVAE IN THE VIRGO CLUSTER 1013 Weidong Li, Xiaofeng Wang, Schuyler D. Van Dyk, Jean-Charles Cuillandre, Rvan J. Foley, & Alexei V. Filippenko STRUCTURE AND LUMINOSITY OF NEUTRINO-COOLED ACCRETION DISKS 1025 Tong Liu, Wei-Min Gu, Li Xue, & Ju-Fu Lu MASS TRANSFER IN CLOSE, RAPIDLY ACCRETING PROTOBINARIES: AN ORIGIN FOR MASSIVE TWINS? 1034 Mark R. Krumholz & Todd A. Thompson THE PHYSICAL ORIGIN OF NEGATIVE SUPERHUMPS IN CATACLYSMIC VARIABLES © 1042 Matt A. Wood & Christopher J. Burke CH CYGNI X-RAY JET ACTIVITY AND MULTICOMPONENT STRUCTURES 1048 Margarita Karouska, Christopher L. Carilli, John C. Raymond, & Janet A. Mattei ANTICORRELATED HARD X-RAY TIME LAGS IN GALACTIC BLACK HOLE SOURCES © 1055 K. Sriram, V. K. Agrawal, Jayant K. Pendharkar, & A. R. Rao MODELING OF INTERSTELLAR SCINTILLATION ARCS FROM PULSAR B1133+16 1064 Frank S. Trang & Barney J. Rickett THE UNUSUAL BINARY PULSAR PSR J1744—3922: RADIO FLUX VARIABILITY, NEAR-INFRARED OBSERVATION, 1073 AND EVOLUTION © R. P. Breton, M. S. E. Roberts, S. M. Ransom, V. M. Kaspi, M. Durant, P. Bergeron, & A. J. Faulkner ENERGY-DEPENDENT ~100 pss TIME LAGS AS OBSERVATIONAL EVIDENCE OF COMPTONIZATION EFFECTS IN THE NEUTRON STAR PLASMA ENVIRONMENT Maurizio Falanga & Lev Titarchuk SGR 1806—20: EVIDENCE FOR A SUPERSTRONG MAGNETIC FIELD FROM QUASI-PERIODIC OSCILLATIONS 1089 Mario Vietri, Luigi Stella, & Gian Luca Israel UPDATED ELECTRON-CONDUCTION OPACITIES: THE IMPACT ON LOW-MASS STELLAR MODELS 1094 S. Cassisi, A. Y. Potekhin, A. Pietrinferni, M. Catelan, & M. Salaris TWO SMC SYMBIOTIC STARS UNDERGOING STEADY HYDROGEN BURNING 1105 M. Orio, A. Zezas, U. Munari, A. Siviero, & E. Tepedelenlioglu LP 133-373: A NEW CHROMOSPHERICALLY ACTIVE ECLIPSING dMe BINARY WITH A DISTANT, 1112 COOL WHITE DWARF COMPANION © T. R. Vaccaro, M. Rudkin, A. Kawka, S. Vennes, T. D. Oswalt, 1. Silver. M. Wood, & J. Allyn Smith CONTENTS 25 ORIONIS: A KINEMATICALLY DISTINCT 10 Myr OLD GROUP IN ORION OBla_ © César Bricefio, Lee Hartmann, Jestis Hernandez, Nuria Calvet, A. Katherina Vivas, Gabor Furesz, & Andrew Szentgyorgyi THIRD-BODY PARAMETERS FROM WHOLE LIGHT AND VELOCITY CURVES W. Van Hamme & R. E. Wilson ABUNDANCES OF BAADE’S WINDOW GIANTS FROM KECK HIRES SPECTRA. II. THE ALPHA AND LIGHT ODD ELEMENTS © Jon. P. Fulbright, Andrew McWilliam, & R. Michael Rich TIDAL DISSIPATION IN ROTATING SOLAR-TYPE STARS G. I. Ogilvie & D. N. C. Lin CAN PLANETS SURVIVE STELLAR EVOLUTION? Eva Villaver & Mario Livio CRITERIA IN THE SELECTION OF TARGET EVENTS FOR PLANETARY MICROLENSING FOLLOW-UP OBSERVATIONS Cheongho Han IMPROVING THE SPECKLE NOISE ATTENUATION OF SIMULTANEOUS SPECTRAL DIFFERENTIAL IMAGING WITH A FOCAL PLANE HOLOGRAPHIC DIFFUSER David Lafreniére, René Doyon, Daniel Nadeau, Etienne Artigau, Christian Marois, & Mathilde Beaulieu EXOPLANET TRANSIT PARALLAX © Caleb A. Scharf PROPAGATION OF NON- WENTZEL-KRAMERS-BRILLOUIN ALFVEN WAVES IN A MULTICOMPONENT SOLAR WIND WITH DIFFERENTIAL ION FLOW Bo Li & Xing Li IMAGING SPECTROSCOPY OF A GRADUAL HARDENING FLARE ON 2000 NOVEMBER 25 Hiroyuki Takasaki, Junko Kiyohara, Ayumi Asai, Hiroshi Nakajima, Takaaki Yokoyama, Satoshi Masuda, Jun Sato, & Takeo Kosugi RHESSI TIMING STUDIES: MULTITHERMAL DELAYS Markus J. Aschwanden KINK-INDUCED CATASTROPHE IN A CORONAL ERUPTION © Rui Liu, David Alexander, & Holly R. Gilbert CONTRAST ANALYSIS OF SOLAR FACULAE AND MAGNETIC BRIGHT POINTS T. E. Berger, L. Rouppe van der Voort, & M. Léfdahl ON PREDICTING THE SOLAR CYCLE USING MEAN-FIELD MODELS Paul J. Bushby & Steven M. Tobias BULK FLOW VELOCITY AND FIRST-ORDER ANISOTROPY OF SOLAR ENERGETIC PARTICLES OBSERVED ON THE WIND SPACECRAFT: OVERVIEW OF THREE “GRADUAL” PARTICLE EVENTS © Lun C. Tan, Donald V. Reames, & Chee K. Ng EXTRASOLAR PLANETARY DYNAMICS WITH A GENERALIZED PLANAR LAPLACE-LAGRANGE SECULAR THEORY Dimitri Veras & Philip J. Armitage COMPARATIVE LYOT CORONAGRAPHY WITH EXTREME ADAPTIVE OPTICS SYSTEMS Justin R. Crepp, Andrew D. Vanden Heuvel, & Jian Ge GROUND-LAYER WAVE FRONT RECONSTRUCTION FROM MULTIPLE NATURAL GUIDE STARS Christoph Baranec, Michael Lloyd-Hart, & N. Mark Milton BAYESIAN METHODS OF ASTRONOMICAL SOURCE EXTRACTION Richard S. Savage & Seb Oliver ERRATUM: “PHYSICAL PROPERTIES, BARYON CONTENT, AND EVOLUTION OF THE Lya FOREST: NEW INSIGHTS FROM HIGH-RESOLUTION OBSERVATIONS AT z < 0.4” (ApJ, 658, 680 [2007]) N. Lehner, B. D. Savage, P. Richter, K. R. Sembach, T. M. Tripp, & B. P. Wakker ERRATUM: “POTENTIAL NEUTRINO SIGNALS FROM GALACTIC 4-RAY SOURCES” (ApJ, 656, 870 [2007]) Alexander Kappes, Jim Hinton, Christian Stegmann, & Felix A. Aharonian THE ASTROPHYSICAL JOURNAL LETTERS CONTENTS OF VOLUME 661, PART 2 2007 MAY 20, NUMBER | THE VALIDITY OF THE COSMIC STRING PATTERN SEARCH WITH THE COSMIC MICROWAVE BACKGROUND © E. Jeong and G. F. Smoot THE TRANSITION FROM THE FIRST STARS TO THE SECOND STARS IN THE EARLY UNIVERSE © Britton D. Smith and Steinn Sigurdsson DUST PROPERTIES AT z = 6.3 IN THE HOST GALAXY OF GRB 050904 G. Stratta, R. Maiolino, F. Fiore, and V. D’Elia THE HEATING MECHANISM FOR THE WARM/COOL DUST IN POWERFUL, RADIO-LOUD ACTIVE GALACTIC NUCLEI C. Tadhunter, D. Dicken, J. Holt, K. Inskip, R. Morganti, D. Axon, C. Buchanan, R. Gonzdlez Delgado, P. Barthel, and I. van Bemmel AUTOMATIC QUENCHING OF HIGH-ENERGY y-RAY SOURCES BY SYNCHROTRON PHOTONS Lukasz Stawarz and John G. Kirk THREE-DIMENSIONAL SIMULATIONS OF ERGOSPHERIC DISK-DRIVEN POYNTING JETS Brian Punsly PAH EMISSION AND STAR FORMATION IN THE HOST OF THE z ~ 2.56 CLOVERLEAF QSO © D. Lutz, E. Sturm, L. J. Tacconi, E. Valiante, M. Schweitzer, H. Netzer, R. Maiolino, P. Andreani, O. Shemmer, and S. Veilleux GEMINI MID-IR POLARIMETRY OF NGC 1068: POLARIZED STRUCTURES AROUND THE NUCLEUS © C. Packham, S. Young, S. Fisher, K. Volk, R. Mason, J. H. Hough, P. F. Roche, M. Elitzur, J. Radomski, and E. Periman A COMPLETE SAMPLE OF 12 VERY X-RAY LUMINOUS GALAXY CLUSTERS ATz>0.5 © H. Ebeling, E. Barrett, D. Donovan, C.-J. Ma, A. C. Edge, and L. van Speybroeck LENTICULAR GALAXY FORMATION: POSSIBLE LUMINOSITY DEPENDENCE Sudhanshu Barway, Ajit Kembhavi, Yogesh Wadadekar, C. D. Ravikumar, and Y. D. Mayya THE DEPENDENCE OF STAR FORMATION ON GALAXY STELLAR MASS Xian Zhong Zheng, Eric F. Bell, Casey Papovich, Christian Wolf, Klaus Meisenheimer, Hans-Walter Rix, George H. Rieke, and Rachel Somerville THE ANGSTROM PROJECT ALERT SYSTEM: REAL-TIME DETECTION OF EXTRAGALACTIC MICROLENSING ©) M. J. Darnley, E. Kerins, A. Newsam, J. P. Duke, A. Gould, C. Han, M. A. Ibrahimov, M. Im, Y.-B. Jeon, R. G. Karimov, C.-U. Lee, and B.-G. Park KINEMATIC DECOUPLING OF GLOBULAR CLUSTERS WITH THE EXTENDED HORIZONTAL BRANCH Young-Wook Lee, Hansung B. Gim, and Dana I. Casetti-Dinescu A TRIPLE MAIN SEQUENCE IN THE GLOBULAR CLUSTER NGC 2808 © G. Piotto, L. R. Bedin, J. Anderson, 1. R. King, S. Cassisi, A. P. Milone, S. Villanova, A. Pietrinferni, and A, Renzini EVIDENCE FOR DEUTERIUM ASTRATION IN THE PLANETARY NEBULA Sh 2-216? Cristina M. Oliveira, Pierre Chayer, H. Warren Moos, Jeffrey W. Kruk, and Thomas Rauch ANALYSIS OF RADIO ASTRONOMICAL DATA OF THE NEGATIVE ION C,H” IN IRC +10 216 Y. Kasai, E. Kagi, and K. Kawaguchi SPECTRAL MODELING OF THE HIGH-ENERGY EMISSION OF THE MAGNETAR 4U 0142+614 © N. Rea, R. Turolla, S. Zane, A. Tramacere, L. Stella, G. L. Israel, and R. Campana TEXES OBSERVATIONS OF PURE ROTATIONAL H, EMISSION FROM AB AURIGAE Martin A. Bitner, Matthew J. Richter, John H. Lacy, Thomas K. Greathouse, Daniel T. Jaffe, and Geoffrey A. Blake TESTING DISK INSTABILITY MODELS FOR GIANT PLANET FORMATION Alan P. Boss FRAGMENTATION OF GRAVITATIONALLY UNSTABLE GASEOUS PROTOPLANETARY DISKS WITH RADIATIVE TRANSFER Lucio Mayer, Graeme Lufkin, Thomas Quinn, and James Wadsley HEAT TRANSPORT IN GIANT (EXO)PLANETS: A NEW PERSPECTIVE © Gilles Chabrier and Isabelle Baraffe DISCOVERY OF EXTREME ASYMMETRY IN THE DEBRIS DISK SURROUNDING HD 15115 Paul Kalas, Michael P. Fitzgerald, and James R. Graham CONTENTS THE THICKNESS AND FORMATION AGE OF THE SURFACE LAYER ON COMET 9P/TEMPEL 1 T. Kadono, S. Sugita, S. Sako, T. Ootsubo, M. Honda, H. Kawakita, T. Miyata, R. Furusho, and J. Watanabe DISCOVERY OF THE ATOMIC IRON TAIL OF COMET McNAUGHT USING THE HELIOSPHERIC IMAGER ON STEREO M. Fulle, F. Leblanc, R. A. Harrison, C. J. Davis, C. J. Eyles, J. P. Halain, R. A. Howard, D. Bockelée-Morvan, G. Cremonese, and T. Scarmato A SEARCH FOR VARIATION IN THE H,O ORTHO-PARA RATIO AND ROTATIONAL TEMPERATURE IN THE INNER COMA OF COMET C/2004 Q2 (MACHHOLZ) Boncho P. Bonev, Michael J. Mumma, Geronimo L. Villanueva, Michael A. Disanti, Richard S. Ellis, Karen Magee-Sauer, and Neil Dello Russo DEPLETED CARBON MONOXIDE IN FRAGMENT C OF THE JUPITER-FAMILY COMET 73P/SCHWASSMANN-WACHMANN 3 ©) M. A. DiSanti, W. M. Anderson, G. L. Villanueva, B. P. Bonev, K. Magee-Sauer, E. L. Gibb, and M. J. Mumma ION PICKUP BY FINITE AMPLITUDE PARALLEL PROPAGATING ALFVEN WAVES Xing Li, Quanming Lu, and Bo Li QUANTITATIVE FORECASTING OF MAJOR SOLAR FLARES © Manolis K. Georgoulis and David M. Rust INSTRUCTIONS TO AUTHORS OF LETTERS, AND ADDITIONAL USEFUL INFORMATION Inside Back Cover INSTRUCTIONS FOR ELECTRONIC MANUSCRIPT SUBMISSION Back Cover 2007 JUNE 1, NUMBER 2 THE SUNYAEV-ZEL’ DOVICH EFFECT FROM QUASAR FEEDBACK Suchetana Chatterjee and Arthur Kosowsky RESOLVING THE UNRESOLVED COSMIC X-RAY BACKGROUND IN THE CHANDRA DEEP FIELDS Ryan C. Hickox and Maxim Markevitch THE PECULIAR VELOCITIES OF LOCAL TYPE Ia SUPERNOVAE AND THEIR IMPACT ON COSMOLOGY James D. Neill, Michael J. Hudson, and Alex Conley GRB 050826: A SUBLUMINOUS EVENT AT Z=0.296 FINDS ITS PLACE IN THE LUMINOSITY DISTRIBUTION OF GAMMA-RAY BURST AFTERGLOWS N. Mirabal, J. P. Halpern, and P. T. O’Brien THE CLUSTER-MERGER SHOCK IN IE 0657-56: FASTER THAN A SPEEDING BULLET? Milos Milosavljevié, Jun Koda, Daisuke Nagai, Ehud Nakar, and Paul R. Shapiro UNVEILING THE ONGOING STAR FORMATION IN THE STARBURST GALAXY NGC 253 Y. C. Minh, S. Muller, S.-Y. Liu, and T. S. Yoon THE PHYSICAL NATURE OF POLAR BROAD ABSORPTION LINE QUASARS Kajal K. Ghosh and Brian Punsly SUPPRESSED STAR FORMATION IN CIRCUMNUCLEAR REGIONS IN SEYFERT GALAXIES © Jian-Min Wang, Yan-Mei Chen, Chang-Shuo Yan, Chen Hu, and Wei-Hao Bian ALIGNMENT OF THE SPINS OF SUPERMASSIVE BLACK HOLES PRIOR TO COALESCENCE Tamara Bogdanovié, Christopher S. Reynolds, and M. Coleman Miller RADIO EMISSION FROM THE INTERMEDIATE-MASS BLACK HOLE IN THE GLOBULAR CLUSTER G1 James S. Ulvestad, Jenny E. Greene, and Luis C. Ho THE ROTATION OF SUBPOPULATIONS IN w CENTAURI © E. Pancino, A. Galfo, F. R. Ferraro, and M. Bellazzini THE EFFECT OF AN INCREASED ELEMENTAL D/H RATIO ON DEUTERIUM FRACTIONATION IN THE COLD INTERSTELLAR MEDIUM E. Roueff, E. Herbst, D. C. Lis, and T. G. Phillips MOLECULAR HYDROGEN FORMATION ON AMORPHOUS SILICATES UNDER INTERSTELLAR CONDITIONS © H. B. Perets, A. Lederhendler, O. Biham, G. Vidali, L. Li, S. Swords, E. Congiu, J. Roser, G. Manicé, J. R. Brucato, and V. Pirronello FULLERENES AND THE 4430 A DIFFUSE INTERSTELLAR BAND Susana Iglesias-Groth CONTENTS ABSENCE OF ELECTRON SURFING ACCELERATION IN A TWO-DIMENSIONAL SIMULATION Yutaka Ohira and Fumio Takahara SPECTRUM OF COSMIC RAYS PRODUCED IN SUPERNOVA REMNANTS E. G. Berezhko and H. J. Vélk EVIDENCE OF A MERGER OF BINARY WHITE DWARFS: THE CASE OF GD 362 © E. Garcia-Berro, P. Lorén-Aguilar, A. G. Pedemonte, J. Isern, P. Bergeron, P. Dufour, and P. Brassard BINARY CAPTURE RATES FOR MASSIVE PROTOSTARS Nickolas Moeckel and John Bally A PHOTOEVAPORATING ROTATING DISK IN THE CEPHEUS A HW2 STAR CLUSTER I. Jiménez-Serra, J. Martin-Pintado, A. Rodriguez-Franco, C. Chandler, C. Comito, and P. Schilke IDENTIFICATION OF ABSORPTION FEATURES IN AN EXTRASOLAR PLANET ATMOSPHERE T. Barman DIRECT MEASUREMENT OF THE RADIUS AND DENSITY OF THE TRANSITING EXOPLANET HD 189733b WITH THE CHARA ARRAY Ellyn K. Baines, Gerard T. van Belle, Theo A. ten Brummelaar, Harold A. McAlister, Mark Swain, Nils H. Turner, Laszlo Sturmann, and Judit Sturmann PHOTOLYTICALLY GENERATED AEROSOLS IN THE MESOSPHERE AND THERMOSPHERE OF TITAN Mao-Chang Liang, Yuk L. Yung, and Donald E. Shemansky A FLOOR IN THE SOLAR WIND MAGNETIC FIELD L. Svalgaard and E. W. Cliver DIRECT OBSERVATION OF HIGH-SPEED PLASMA OUTFLOWS PRODUCED BY MAGNETIC RECONNECTION IN SOLAR IMPULSIVE EVENTS Tongjiang Wang, Linhui Sui, and Jiong Qiu INSTRUCTIONS TO AUTHORS OF LETTERS, AND ADDITIONAL USEFUL INFORMATION Inside Back Cover INSTRUCTIONS FOR ELECTRONIC MANUSCRIPT SUBMISSION Back Cover