THE ASTROPHYSICAL JOURNAL LETTERS CONTENTS OF VOLUME 519, PART 2 1999 JULY 1, NUMBER 1 A FUNDAMENTAL TEST OF THE NATURE OF DARK MATTER R. Benton Metcalf and Joseph Silk ANISOTROPY IN THE COSMIC MICROWAVE BACKGROUND AT DEGREE ANGULAR SCALES: PYTHON V RESULTS K. Coble, M. Dragovan, J. Kovac, N. W. Halverson, W. L. Holzapfel, L. Knox, S. Dodelson, K. Ganga, D. Alvarez, J. B. Peterson, G. Griffin, M. Newcomb, K. Miller, S. R. Platt, and G. Novak WEIGHING THE COSMOLOGICAL ENERGY CONTENTS WITH WEAK GRAVITATIONAL LENSING Lam Hui HUBBLE SPACE TELESCOPE AND PALOMAR IMAGING OF GRB 990123: IMPLICATIONS FOR THE NATURE OF GAMMA-RAY BURSTS AND THEIR HOSTS Andrew S. Fruchter, S. E. Thorsett, Mark R. Metzger, Kailash C. Sahu, Larry Petro, Mario Livio, Henry Ferguson, Elena Pian, David W. Hogg, Titus Galama, Theodore R. Gull, Chryssa Kouveliotou, Duccio Macchetto, Jan van Paradijs, Holger Pedersen, and Alain Smette JETS INGAMMA-RAY BURSTS Re’em Sari, Tsvi Piran, and J. P. Halpern GRB 990123: THE CASE FOR SATURATED COMPTONIZATION E. P. Liang, A. Crider, M. Béttcher, and 1. A. Smith LOTIS SEARCH FOR EARLY-TIME OPTICAL AFTERGLOWS: GRB 971227 G. G. Williams, H. S. Park, E. Ables, D. L. Band, S. D. Barthelmy, R. Bionta, P. S. Butterworth, T. L. Cline, D. H. Ferguson, G. J. Fishman, N. Gehrels, D. H. Hartmann, K. Hurley, C. Kouveliotou, C. A. Meegan, L. Ott, E. Parker, and R. Porrata SOURCE SIZE LIMITATION FROM VARIABILITIES OF A LENSED QUASAR Atsunori Yonehara HOW SATURATED ARE ABSORPTION LINES IN THE BROAD ABSORPTION LINE QUASAR PG 1411+442? T. G. Wang, J. X. Wang, W. Brinkmann, and M. Matsuoka THE BLACK HOLE-TO-BULGE MASS RELATION IN ACTIVE GALACTIC NUCLEI A. Wandel THE C 1v ABSORPTION-Mg 1 KINEMATICS CONNECTION IN (z) ~ 0.7 GALAXIES Christopher W. Churchill, Richard R. Mellon, Jane C. Charlton, Buell T. Jannuzi, Sofia Kirhakos, Charles C. Steidel, and Donald P. Schneider THE Ha LUMINOSITY FUNCTION AND GLOBAL STAR FORMATION RATE FROM REDSHIFTS OF 1-2 Lin Yan, Patrick J. McCarthy, Wolfram Freudling, Harry 1. Teplitz, Eliot M. Malumuth, Ray J. Weymann, and Matthew A. Malkan THE X-RAY FUNDAMENTAL PLANE AND L,-7T RELATION OF CLUSTERS OF GALAXIES Yutaka Fujita and Fumio Takahara COSMOLOGICAL IMPLICATIONS OF THE FUNDAMENTAL RELATIONS OF X-RAY CLUSTERS Yutaka Fujita and Fumio Takahara MICROJANSKY SOURCES AT 1.4 GHz A. Hopkins, J. Afonso, L. Cram, and B. Mobasher CHEMICAL EVOLUTION OF THE GALACTIC HALO THROUGH SUPERNOVA-INDUCED STAR FORMATION AND ITS IMPLICATION FOR POPULATION III STARS Takuji Tsujimoto, Toshikazu Shigeyama, and Yuzuru Yoshii THE DISCOVERY OF A MOLECULAR COMPLEX IN THE TIDAL ARMS NEAR NGC 3077 Fabian Walter and Andreas Heithausen LAG OF LOW-ENERGY PHOTONS IN AN X-RAY BURST OSCILLATION: DOPPLER DELAYS Eric C. Ford BUMPY SPIN-DOWN OF ANOMALOUS X-RAY PULSARS: THE LINK WITH MAGNETARS A. Melatos ARE THERE PLANETS AROUND THE PULSAR PSR B0329+54? Maciej Konacki, Wojciech Lewandowski, Alex Wolszczan, Oleg Doroshenko, and Michael Kramer DISEQUILIBRIUM CHEMISTRY IN A BROWN DWARF’S ATMOSPHERE: CARBON MONOXIDE IN GLIESE 229B Caitlin A. Griffith and Roger V. Yelle CONTENTS DETECTION OF HOC* TOWARD THE ORION BAR AND M17-SW: ENHANCED ABUNDANCES IN PHOTON-DOMINATED REGIONS? A. J. Apponi, T. C. Pesch, and L. M. Ziurys X-RAY OBSERVATIONS OF MOTIONS AND STRUCTURE ABOVE A SOLAR FLARE ARCADE D. E. McKenzie and H. S. Hudson HIGH-RESOLUTION IMAGING OF THE SOLAR CHROMOSPHERE/CORONA TRANSITION REGION T. E. Berger, B. De Pontieu, C. J. Schrijver, and A, M. Title WATER ICE ON KUIPER BELT OBJECT 1996 TO,, Robert H. Brown, Dale P. Cruikshank, and Yvonne Pendleton INSTRUCTIONS TO AUTHORS OF LETTERS, AND RECENT LETTERS ABSTRACTS AND OTHER BIBLIOGRAPHICAL SERVICES Inside Back Cover INSTRUCTIGNS FOR ELECTRONIC MANUSCRIPT SUBMISSION Back Cover 1999 JULY 10, NUMBER 2 Page COSMOLOGICAL CONSTRAINTS ON THE HOST HALOS OF GAMMA-RAY BURSTS L105 Wen Xu and Li-Zhi Fang COSMIC CHEMICAL EVOLUTION Renyue Cen and Jeremiah P. Ostriker A SUNYAEV-ZELDOVICH MAP OF THE MASSIVE CORE IN THE LUMINOUS X-RAY CLUSTER RX J1347—1145 E. Pointecouteau, M. Giard, A. Benoit, F. X. Désert, N.A ghanim, N. Coron, J. M. Lamarre, and J. Delabrouille HIGH- AND LOW-ENERGY NONTHERMAL X-RAY EMISSION FROM THE ABELL 2199 CLUSTER OF GALAXIES Jelle S. Kaastra, Richard Lieu, Jonathan P. D. Mittaz, Johan A. M. Bleeker, Rolf Mewe, Sergio Colafrancesco, and Felix J. Lockman SEYFERT | MUTATION OF THE CLASSICAL SEYFERT 2 NUCLEUS NGC 7582 Itziar Aretxaga, B. Joguet, D. Kunth, J. Melnick, and R. J. Terlevich THE BULGE-DISK ORTHOGONAL DECOUPLING IN GALAXIES: NGC 4698 F. Bertola, E. M. Corsini, J. C. Vega Beltran, A. Pizzella, M. Sarzi, M. Cappellari, and J. G. Funes, S.J. HIGH-RESOLUTION kK’ IMAGING OF THE z = 1.786 RADIO GALAXY 3C 294 Alan Stockton, Gabriela Canalizo, and Susan E. Ridgway THE COMPACT UV NUCLEUS OF M33 Guillaume Dubus, Knox S. Long, and Philip A. Charles DISCOVERY OF A NEW SOFT GAMMA REPEATER, SGR 1627-41 Peter M. Woods, Chryssa Kouveliotou, Jan van Paradijs, Kevin Hurley, R. Marc Kippen, Mark H. Finger, Michael S. Briggs, Stefan Dieters, and Gerald J. Fishman PRECISE INTERPLANETARY NETWORK LOCALIZATION OF A NEW SOFT GAMMA REPEATER, SGR 1627-41 K. Hurley, C. Kouveliotou, P. Woods, E. Mazets, S. Golenetskii, D. D. Frederiks, T. Cline, and J. van Paradijs ROSSI X-RAY TIMING EXPLORER ALL-SKY MONITOR LOCALIZATION OF SGR 1627-41 Donald A. Smith, Hale V. Bradt, and Alan M. Levine UNUSUAL BURST EMISSION FROM THE NEW SOFT GAMMA REPEATER SGR 1627-41 E. P. Mazets, R. L. Aptekar, P. S. Butterworth, T. L. Cline, D. D. Frederiks, S. V. Golenetskii, K. Hurley, and V. N. Il'inskii THE AFTERGLOW OF GRB 990123 AND A DENSE MEDIUM Z. G. Dai and T. Lu A STATE TRANSITION OF GX 339—4 OBSERVED WITH THE ROSS/ X-RAY TIMING EXPLORER T. Belloni, M. Méndez, M. van der Klis, W. H. G. Lewin, and S. Dieters CONTENTS QUENCHING OF THE RADIO JET DURING THE X-RAY HIGH STATE OF GX 339-4 Robert Fender, Stéphane Corbel, Tasso Tzioumis, Vince McIntyre, Duncan Campbell-Wilson, Mike Nowak, Ravi Sood. Richard Hunstead, Alan Harmon, Philippe Durouchoux, and William Heindl RADIATIVELY DRIVEN OUTFLOWS AND AVOIDANCE OF COMMON-ENVELOPE L169 EVOLUTION IN CLOSE BINARIES Andrew R. King and Mitchell C. Begelman DETECTION OF METHANOL IN A CLASS 0 PROTOSTELLAR DISK Paul F. Goldsmith, William D. Langer, and T. Velusamy RADIO DETECTION OF THE SUPERNOVA REMNANT RX J0852.0—4622 J. A. Combi, G. E. Romero, and P. Benaglia OBSERVATIONS OF SMALL-SCALE INTERSTELLAR STRUCTURE IN DENSE ATOMIC GAS J. T. Lauroesch and David M. Meyer OBSERVATION OF QUASI-CONTINUUM LINE EMISSION FROM Fe vu TO Fe x IN THE EXTREME-ULTRAVIOLET REGION BELOW 140 A P. Beiersdorfer, J. K. Lepson, G. V. Brown, S. B. Utter, S. M. Kahn, D. A. Liedahl, and C. W. Mauche INSTRUCTIONS TO AUTHORS OF LETTERS, AND RECENT LETTERS ABSTRACTS AND OTHER BIBLIOGRAPHICAL SERVICES Inside Back Cover INSTRUCTIONS FOR ELECTRONIC MANUSCRIPT SUBMISSION Back Cover