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THE ASTROPHYSICAL JOURNAL CONTENTS OF VOLUME 516, PART 1 1999 MAY 1, NUMBER 1 A BAYESIAN INFERENCE ANALYSIS OF THE X-RAY CLUSTER LUMINOSITY-TEMPERATURE RELATION D. E. Reichart, F. J. Castander, & R. C. Nichol RADIO-QUIET RED QUASARS Dong-Woo Kim & Martin Elvis CONSTRAINTS ON H, FROM THE CENTRAL VELOCITY DISPERSIONS OF LENS GALAXIES Aaron J. Romanowsky & Christopher S. Kochanek HUBBLE SPACE TELESCOPE OBSERVATIONS OF THE BROAD ABSORPTION LINE QUASAR PG 0946 +301 Nahum Arav, Kirk T. Korista, Martijn de Kool, Vesa T. Junkkarinen, & Mitchell C. Begelman THE LAS CAMPANAS/PALOMAR 10,000 KILOMETER PER SECOND CLUSTER SURVEY. I. PROPERTIES OF THE TULLY-FISHER RELATION Jeffrey A. Willick CHEMICAL EVIDENCE FOR MORPHOLOGICAL EVOLUTION OF SPIRAL GALAXIES Yvan Dutil & Jean-René Rou A LOOK AT THREE DIFFERENT SCENARIOS FOR BULGE FORMATION Rychard Bouwens, Laura Cayon, & Joseph Silk A POLARIMETRIC SEARCH FOR HIDDEN QUASARS IN THREE RADIO-SELECTED ULTRALUMINOUS INFRARED GALAXIES Hien D. Tran, M. S. Brotherton, S. A. Stanford, Wil van Breugel, Arjun Dey, Daniel Stern, & Robert Antonucci THE RELATIVE ORIENTATION OF NUCLEAR ACCRETION AND GALAXY STELLAR DISKS IN SEYFERT GALAXIES Neil M. Nagar & Andrew S. Wilson THE STATE OF THE MOLECULAR GAS IN A LUMINOUS STARBURST/SEYFERT 2 GALAXY: NGC 1068 REVISITED Padeli P. Papadopoulos & E. R. Seaquist RADIO CONTINUUM EVIDENCE FOR OUTFLOW AND ABSORPTION IN THE SEYFERT I GALAXY MARKARIAN 231 J.S. Ulvestad, J. M. Wrobel, & C. L. Carilli POSSIBLE NEW X-RAY-SELECTED EGRET IDENTIFICATIONS Brian Punsly A SEARCH FOR LOW-LUMINOSITY BL LACERTAE OBJECTS Travis A. Rector, John T. Stocke, & Eric S. Perlman A MULTIWAVELENGTH STUDY OF THE EXTREME AGN J2310—437 D. M. Worrall, M. Birkinshaw, R. A. Remillard, A. Prestwich, W. H. Tucker, & H. Tananbaum WHAT IS THE ACCRETION RATE IN NGC 4258? Charles F. Gammie, Ramesh Narayan, & Roger Blandford THE ORIGIN OF THE NARROW-LINE REGION OF MARKARIAN 3: AN OVERPRESSURED JET COCOON A. Capetti, D. J. Axon, F. D. Macchetto, A. Marconi, & C. Winge DYNAMICAL CONSTRAINTS ON DARK MATTER IN COMPACT OBJECTS B. J. Carr & M. Sakellariadou MAGNETOCENTRIFUGALLY DRIVEN WINDS: COMPARISON OF MHD SIMULATIONS WITH THEORY G. V. Ustyugova, A. V. Koldoba, M. M. Romanova, V. M. Chechetkin, & R. V. E. Lovelace lll CONTENTS COMPLETE PARALLAX AND PROPER-MOTION SOLUTIONS FOR HALO BINARY-LENS MICROLENSING EVENTS Andrew Gould & Nikolay Andronov DISTANCES TO THE HIGH GALACTIC LATITUDE MOLECULAR CLOUDS G192—67 AND MBM 23-24 Catherine E. Grant & David N. Burrows CATACLYSMIC VARIABLES AND A CANDIDATE HELIUM WHITE DWARF IN THE GLOBULAR CLUSTER NGC 6397 Peter D. Edmonds, Jonathan E. Grindlay, Adrienne Cool, Haldan Cohn, Phyllis Lugger, & Charles Bailyn ROTATION PERIODS OF LATE-TYPE STARS IN THE YOUNG OPEN CLUSTER IC 2602 Sydney A. Barnes, Sabatino Sofia, Charles F. Prosser, & John R. Stauffer RATES OF ENERGY GAIN AND LOSS IN THE CIRCUMSTELLAR ENVELOPES OF Be STARS: DIFFUSE RADIATION C. E. Millar & J. M. Marlborough RATES OF ENERGY GAIN AND LOSS IN THE CIRCUMSTELLAR ENVELOPES OF Be STARS: II. 1 DELPHINI C. E. Millar & J. M. Marlborough THE DIFFUSE GAMMA-RAY BACKGROUND FROM SUPERNOVAE K. Watanabe, D. H. Hartmann, M. D. Leising, & L.-S. The GAMMA RADIATION FROM PSR B1055—52 D. J. Thompson, M. Bailes, D. L. Bertsch, J. Cordes, N. D’ Amico, J. A. Esposito, J. Finley, R. C. Hartman, W. Hermsen, G. Kanbach, V. M. Kaspi, D. A. Kniffen, L. Kuiper, Y. C. Lin, A. Lyne, R. Manchester, S. M. Matz, H. A. Mayer-Hasselwander, P. F. Michelson, P. L. Nolan, H. Ogelman, M. Pohl, P. V. Ramanamurthy, P. Sreekumar, O. Reimer, J. H. Taylor, & M. Ulmer ON THE RELEVANCE OF THE r-MODE INSTABILITY FOR ACCRETING NEUTRON STARS AND WHITE DWARFS Nils Andersson, Kostas D. Kokkotas, & Nikolaos Stergioulas OPTIMUM PERIOD SEARCH: QUANTITATIVE ANALYSIS A. Schwarzenberg-Czerny STELLAR CORONAL ABUNDANCES. VI. THE FIRST IONIZATION POTENTIAL EFFECT AND € BOOTIS A: SOLAR-LIKE ANOMALIES AT INTERMEDIATE-ACTIVITY LEVELS J. Martin Laming & Jeremy J. Drake GG TAURIS CIRCUMBINARY DISK: MODELS FOR NEAR -INFRARED SCATTERED LIGHT IMAGES AND 13CO (J = 10) LINE PROFILES Kenneth Wood, Merce Crosas, & Andrea Ghez GODDARD HIGH RESOLUTION SPECTROGRAPH OBSERVATIONS OF THE B m RESONANCE DOUBLET IN EARLY B STARS: ABUNDANCES AND ISOTOPE RATIOS Charles R. Proffitt, Per Jonsson, Ulf Litzén, Juliet C. Pickering, & Glenn M. Wahlgren PROSPECTS FOR MEASURING DIFFERENTIAL ROTATION IN WHITE DWARFS THROUGH ASTEROSEISMOLOGY Steven D. Kawaler, Takashi Sekii, & Douglas Gough A SEMIEMPIRICAL TEST FOR DYNAMICAL INSTABILITY IN LUMINOUS BLUE VARIABLES Richard B. Stothers A COMMENT ON “ON DENSITY-DEPENDENT AND TEMPERATURE-DEPENDENT GROUND-STATE AND CONTINUUM EFFECTS IN THE EQUATION OF STATE FOR STELLAR INTERIORS” Wolf-Dietrich Kraeft, Stefan Arndt, Werner Dappen, & Alan Nayfonov THE RATIO OF ORTHO- TO PARA-H, IN PHOTODISSOCIATION REGIONS Amiel Sternberg & David A. Neufeld THE ASTROPHYSICAL r-PROCESS: A COMPARISON OF CALCULATIONS FOLLOWING ADIABATIC EXPANSION WITH CLASSICAL CALCULATIONS BASED ON NEUTRON DENSITIES AND TEMPERATURES C. Freiburghaus, J.-F. Rembges, T. Rauscher, E. Kolbe, F.-K. Thielemann, K.-L. Kratz, B. Pfeiffer, & J. J. Cowan ON THE ENERGETICS OF ADVECTION-DOMINATED ACCRETION FLOWS Eliot Quataert & Ramesh Narayan ON THE AZIMUTHAL STABILITY OF SHOCK WAVES AROUND BLACK HOLES Diego Molteni, Gabor Toth, & Oleg A. Kuznetsov SELF-SIMILAR SOLUTION OF OPTICALLY THICK ADVECTION-DOMINATED FLOWS Jian-Min Wang & You- Yuan Zhou CONTENTS INFRARED KUIPER BELT CONSTRAINTS Vigdor L.. Teplitz, S. Alan Stern, John D. Anderson, Doris Rosenbaum, Randall J. Scalise, & Paul Wentzler ITERATIVE METHODS FOR THE NON-LTE TRANSFER OF POLARIZED RADIATION: RESONANCE LINE POLARIZATION IN ONE-DIMENSIONAL ATMOSPHERES Javier Trujillo Bueno & Rafael Manso Sainz GRAVITATIONAL INTERACTION BETWEEN A PROTOPLANET AND A PROTOPLANETARY DISK. I. LOCAL THREE-DIMENSIONAL SIMULATIONS Ken’ichi Miyoshi, Taku Takeuchi, Hidekazu Tanaka, & Shigeru Ida LASCO AND EIT OBSERVATIONS OF HELICAL STRUCTURE IN CORONAL MASS EJECTIONS K. P. Dere, G. E. Brueckner, R. A. Howard, D. J. Michels, & J. P. Delaboudiniere CALIBRATION OF THE THICKNESS OF THE SOLAR TACHOCLINE J.R. Elliott & D.O. Gough THE OPTICALLY THICK Fe xvn SPECTRUM: X-RAY, EXTREME-ULTRAVIOLET, AND FORBIDDEN LINE RATIOS A. K. Bhatia & S. O. Kastner ANALYSIS OF TRANSITION-REGION EMISSION-LINE PROFILES FROM FULL-DISK SCANS OF THE SUN USING THE SUMER INSTRUMENT ON SOHO H. Peter ERRATUM THE ENVIRONMENT OF “ E + A” GALAXIES Ann I. Zabludoff, Dennis Zaritsky, Huan Lin, Douglas Tucker, Yasuhiro Hashimoto, Stephen A. Shectman, Augustus Oemler, & Robert P. Kirshner INSTRUCTIONS TO AUTHORS—REVISED 1997 JUNE 1 1999 MAY 10, NUMBER 2 RADIAL REDSHIFT SPACE DISTORTIONS Somnath Bharadwaj RECOVERY OF THE SHAPE OF THE MASS POWER SPECTRUM FROM THE Lya FOREST Lam Hui POWER INDEX IN THE MEASUREMENT OF THE VARIANCE FROM A GAUSSIAN FIELD Naoki Seto GALAXIES IN N-BODY SIMULATIONS: OVERCOMING THE OVERMERGING PROBLEM Anatoly Klypin, Stefan Gottlober, Andrey V. Kravtsov, & Alexei M. Khokhlov THE Q,,-Q, DEPENDENCE OF THE APPARENT CLUSTER Q R. G. Carlberg, H. K. C. Yee, S. L. Morris, H. Lin, E. Ellingson, D. Patton, M. Sawicki, & C. W. Shepherd SOURCE DENSITY EVOLUTION OF GAMMA-RAY BURSTS H. Che, Y. Yang, & R. J. Nemiroff THE STATISTICAL APPROACH TO QUANTIFYING GALAXY EVOLUTION Robert J. Brunner, Andrew J. Connolly, & Alexander S. Szalay PROBING THE HARD X-RAY PROPERTIES OF HIGH-REDSHIFT RADIO-QUIET QUASARS WITH ASCA C. Vignali, A. Comastri, M. Cappi, G. G. C. Palumbo, M. Matsuoka, & H. Kubo FORMATION AND EVOLUTION OF GALACTIC HALOS IN CLUSTERS OF GALAXIES Takashi Okamoto & Asao Habe MASS AND METALLICITY OF FIVE X-RAY-BRIGHT GALAXY GROUPS Una Hwang, Richard F. Mushotzky, Jack O. Burns, Yasushi Fukazawa, & Richard A. White EFFECTS OF RAM PRESSURE FROM THE INTRACLUSTER MEDIUM ON THE STAR FORMATION RATE OF DISK GALAXIES IN CLUSTERS OF GALAXIES Yutaka Fujita & Masahiro Nagashima THE HUBBLE SPACE TELESCOPE KEY PROJECT ON THE EXTRAGALACTIC DISTANCE SCALE. XX. THE DISCOVERY OF CEPHEIDS IN THE VIRGO CLUSTER GALAXY NGC 4548 John A. Graham, Laura Ferrarese, Wendy L. Freedman, Robert C. Kennicutt, Jr., Jeremy R. Mould, Abhijit Saha, Peter B. Stetson, Barry F. Madore, Fabio Bresolin, Holland C. Ford, Brad K. Gibson, Mingsheng Han, John G. Hoessel, John Huchra, Shaun M. Hughes, Garth D. Illingworth, Daniel D. Kelson, Lucas Macri, Randy Phelps, Shoko Sakai, N. A. Silberman, & Anne Turner IS THE BUTCHER-OEMLER EFFECT A FUNCTION OF THE CLUSTER REDSHIFT? S. Andreon & S. Ettori CONTENTS MORPHOLOGY OF THE i2 MICRON SEYFERT GALAXIES. I. HUBBLE TYPES, AXIAL RATIOS, BARS, AND RINGS L. K. Hunt & M. A. Malkan THE SPECTRAL ENERGY DISTRIBUTIONS OF LOW-LUMINOSITY ACTIVE GALACTIC NUCLEI Luis C. Ho THE FADING OPTICAL COUNTERPART OF GRB 970228, 6 MONTHS AND 1 YEAR LATER Andrew S. Fruchter, Elena Pian, Stephen E. Thorsett, Louis E. Bergeron, Rosa A. Gonzalez, Mark Metzger, Paul Goudfrooij, Kailash C. Sahu, Henry Ferguson, Mario Livio, Max Mutchler, Larry Petro, Filippo Frontera, Titus Galama, Paul Groot, Richard Hook, Chryssa Kouveliotou, Duccio Macchetto, Jan van Paradijs, Eliana Palazzi, Holger Pedersen, William Sparks, & Marco Tavani THE MASS-TO-LIGHT RATIO OF BINARY GALAXIES Mareki Honma PROBING THE DUST-ENSHROUDED REGIONS OF THE INTERACTING GALAXY SYSTEM ARP 299: A NEAR-INFRARED STUDY S. Satyapal, D. M. Watson, W. J. Forrest, J. L. Pipher, J. Fischer, M. A. Greenhouse, H. A. Smith, & Charles E. Woodward COAXIAL JETS AND SHEATHS IN WIDE-ANGLE-TAILED RADIO GALAXIES D. M. Katz-Stone, L. Rudnick, C. Butenhoff, & A. A. O’ Donoghue A COMPARISON OF THE MORPHOLOGY AND STABILITY OF RELATIVISTIC AND NONRELATIVISTIC JETS Alexander Rosen, Philip A. Hughes, G. Comer Duncan, & Philip E. Hardee DIFFUSE GAMMA-RAY EMISSION FROM STARBURST GALAXIES AND M31 Jan J. Blom, Timothy A. D. Paglione, & Alberto Carraminana INTRINSIC ABSORPTION LINES IN SEYFERT 1 GALAXIES. I. ULTRAVIOLET SPECTRA FROM THE HUBBLE SPACE TELESCOPE D. Michael Crenshaw, Steven B. Kraemer, Albert Boggess, Stephen P. Maran, Richard F. Mushotzky, & Chi-Chao Wu KINEMATIC INTERPRETATION OF THE CENTAURUS A ABSORPTION-LINE SYSTEM A. Eckart, W. Wild, & N. Ageorges DUST IN AN EXTREMELY METAL-POOR GALAXY: MID-INFRARED OBSERVATIONS OF SBS 0335-052 Trinh X. Thuan, Marc Sauvage, & Suzanne Madden GAMMA-RAY BURSTS AND TYPE Ic SUPERNOVA SN 1988bw S. E. Woosley, Ronald G. Eastman, & Brian P. Schmidt THE REVIVAL OF GALACTIC COSMIC-RAY NUCLEOSYNTHESIS? Brian D. Fieids & Keith A. Olive AN ASCA STUDY OF THE SUPERNOVA REMNANT G39.2—0.3 Ilana M. Harrus & Patrick O. Slane THE MID-INFRARED PROPERTIES OF THREE STAR-FORMING SITES IN NGC 6334 Kathleen E. Kraemer, Lynne K. Deutsch, James M. Jackson, Joseph L. Hora, G. G. Fazio, William F. Hoffmann, & Aditya Dayal THE FAR-INFRARED POLARIZATION SPECTRUM: FIRST RESULTS AND ANALYSIS R. H. Hildebrand, J. L. Dotson, C. D. Dowell, D. A. Schleuning, & J. E. Vaillancourt DYNAMICAL EVOLUTION AND IONIZATION STRUCTURE OF AN EXPANDING SUPERBUBBLE: APPLICATION TO W4 Shantanu Basu, Doug Johnstone, & P. G. Martin NEUTRON STARS AND BLACK HOLES AS MACHOs Aparna Venkatesan, Angela V. Olinto, & James W. Truran THE IONIZATION IN THE WINDS OF O STARS AND THE DETERMINATION OF MASS-LOSS RATES FROM ULTRAVIOLET LINES Henny J. G. L. M. Lamers, Stephan Haser, Alex de Koter, & Claus Leitherer SPECTROSCOPIC STUDIES OF DB WHITE DWARFS: THE INSTABILITY STRIP OF THE PULSATING DB (V777 HERCULIS) STARS A. Beauchamp, F. Wesemael, P. Bergeron, G. Fontaine, R. A. Saffer, J. Liebert, & P. Brassard CONTENTS WHAT CAN THE ACCRETION-INDUCED COLLAPSE OF WHITE DWARFS REALLY EXPLAIN? Chris Fryer, Willy Benz, Marc Herant, & Stirling A. Colgate MEASURING THE MAGNETIC FIELD ON THE CLASSICAL T TAURI STAR BP TAURI Christopher M. Johns-Krull, Jeff A. Valenti, & Christopher Koresko A SEARCH FOR MICROFLARING ACTIVITY ON dMe FLARE STARS. II. OBSERVATIONS OF YZ CANIS MINORIS R. D. Robinson, K. G. Carpenter, & J. W. Percival DYNAMIC PLANAR MAGNETIC RECONNECTION SOLUTIONS FOR INCOMPRESSIBLE PLASMAS I. J. D. Craig & P. G. Watson OCCURRENCE RATE OF MICROFLARES IN AN X-RAY BRIGHT POINT WITHIN AN ACTIVE REGION Masumi Shimojo & Kazunari Shibata OBSERVATIONAL CONSTRAINTS ON MODELS OF THE SOLAR BACKGROUND SPECTRUM Th. Straus, G. Severino, F.-L. Deubner, B. Fleck, S. M. Jefferies, & T. Tarbell