78 item(s) were found

Pub	Volume	Page
ApJ	549	172	The galaxy populations of X-ray-detected, poor groups.
ApJ	549	441	Chandra observations of variable embedded X-ray sources in Orion. I. Resolving the Orion Trapezium.
ApJ	549	578	The star formation history of Trumpler 14 and Trumpler 16.
ApJ	543	178	Nearby optical galaxies: selection of the sample and identification of groups.
ApJ	542	257	The MACHO project Large Magellanic Cloud variable-star inventory. IX. Frequency analysis of the first-overtone RR Lyrae stars and the indication for nonradial pulsations.
ApJ	541	841	The maximum age of Trapezium systems.
ApJ	540	236	Constraints on the stellar/substellar mass function in the inner Orion Nebula Cluster.
ApJ	539	136	The properties of poor groups of galaxies. III. The galaxy luminosity function.
ApJ	538	29	Caltech faint galaxy redshift survey. X. A redshift survey in the region of the Hubble Deep Field North.
ApJ	534	114	The RASSCALS: an X-ray and optical study of 260 galaxy groups.
ApJ	530	783	The r-Process-enriched Low-Metallicity Giant HD 115444
ApJ	529	477	Unveiling the Circumstellar Envelope and Disk: A Subarcsecond Survey of Circumstellar Structures
ApJ	529	93	A Subarcsecond Resolution Near-Infrared Study of Seyfert and Normal Galaxies. II. Morphology
ApJ	528	123	A Rich Cluster of Galaxies near the Quasar B2 1335+28 at z=1.1: Color Distribution and Star Formation Properties
ApJ	528	186	Excitation Mechanism of Near-Infrared [Fe II] Emission in Seyfert and Starburst Galaxies
ApJ	528	260	The Resolved Narrow-Line Region in NGC 4151 fn1 1 Based on observations with the NASA/ESA Hubble Space Telescope, obtained at the Space Telescope Science Institute, which is operated by AURA, Inc., under NASA contract NAS5-26555.
ApJ	528	655	The Hubble Space Telescope Key Project on the Extragalactic Distance Scale. XXI. The Cepheid Distance to NGC 1425 Based on observations with the NASA/ESA Hubble Space Telescope, obtained at the Space Telescope Science Institute, which is operated by AURA, Inc., under NASA Contract NAS5-26555.
ApJ	528	799	Multiple Scattering in Clumpy Media. II. Galactic Environments
ApJ	528	817	C<sup>18</sup>O Obs of the Dense Cloud Cores and Star Formation in Ophiuchus
ApJ	528	913	Physical Properties of Laminar Helium Deflagrations
ApJ	528	96	Ultraviolet Spectrum of MS 1512-cB58: An Insight into Lyman-Break Galaxies
ApJ	527	199	Hubble space telescope observations of the oldest star clusters in the large Magellanic cloud.
ApJ	525	127	The RGB sample of intermediate BL Lacertae objects
ApJ	524	536	A study of Ly{alpha} quasar absorbers in the nearby universe
ApJ	519	1	Lyman-break galaxies at z >~ 4 and the evolution of the ultraviolet luminosity density at high redshift
ApJ	519	533	ROSAT PSPC observations of the richest (R{>=}2) ACO clusters
ApJ	518	859	Revision and calibration of MK luminosity classes for cool giants by HIPPARCOS parallaxes
ApJ	516	693	The mass-to-light ratio of binary galaxies
ApJ	514	148	A flux-limited sample of bright clusters of galaxies from the southern part of the ROSAT all-sky survey: the catalog and log n-log s
ApJ	513	34	A new catalog of photometric redshifts in the Hubble Deep Field.
ApJ	512	125	The polarization of broad absorption line QSOs
ApJ	511	595	An X-Ray Survey of Galaxies in Pairs
ApJ	507	585	Quantitative morphology of galaxies in the Hubble Deep Field.
ApJ	504	27	The L_{X}-T Relation and Temperature Function for Nearby Clusters Revisited
ApJ	500	714	The color-magnitude relation in CL 1358+62 at z = 0.33: evidence for significant evolution in the S0 population.
ApJ	499	112	Hubble space telescope imaging of the CFRS and LDSS redshift surveys. I. Morphological properties.
ApJ	498	195	A spectroscopic survey of the galaxy cluster CL 1358+62 at z = 0.328.
ApJ	488	224	All-Sky 4.85 GHz flux measurements of H II regions
ApJ	479	231	Planetary nebulae as standard candles. XI. Application to spiral galaxies
ApJ	476	311K	The coolest isolated M dwarf and other 2MASS discoveries.
ApJ	475	445	Colors and K-band counts of extremely faint field galaxies.
ApJ	475	469	A Composite HST Spectrum of Quasars
ApJ	473	822	A Minnesota automated plate scanner catalog of galaxies behind the Virgo cluster and toward its antipode
ApJ	472	509	The Lyman-alpha Forest at z about 4: Keck HIRES Observations of Q0000-26
ApJ	471	694	Galaxy evolution in Abell 2390.
ApJ	471	L5	Redshift clustering in the Hubble Deep Field.
ApJ	470	724	An optical and X-ray study of Abell 576, a galaxy cluster with a cold core.
ApJ	464	79	Canada-France Redshift Survey. XI. Morphology of high-redshift field galaxies from high-resolution ground-based imaging
ApJ	462	614	A deep multicolor survey. II. Initial spectroscopy and comparison with expected quasar number counts.
ApJ	459	606	The distances of planetary nebulae and the galactic bulge
ApJ	459	686	Energy Deposition and Photoelectric Emission from the Interaction of 10 eV to 1 MeV Photons with Interstellar Dust Particles
ApJ	455	60	The Canada-France Redshift Survey: II. Spectroscopic program : data for the 0000-00 and 1000+25 fields
ApJ	455	75	The Canada-France redshift survey. III. "Single emission-line" objects, analysis of repeat observations, and spectroscopic identifications in the 1415+52 and 2215+00 fields
ApJ	455	88	The Canada-France Redshift Survey. IV. Spectroscopic selection effects and 0300+00 field spectroscopic data.
ApJ	454	151	The Initial Mass Function and Massive Star Evolution in the OB Associations of the Northern Milky Way
ApJ	453	48	The contribution of late-type/irregulars to the faint galaxy counts from Hubble Space Telescope Medium Deep Survey images
ApJ	453	616	Multiwavelength energy distributions and bolometric luminosities of the 12 micron galaxy sample
ApJ	450	51	The soft X-ray properties of a large optical QSO sample: ROSAT observations of the Large Bright Quasar Survey
ApJ	449	164	Variable Stars in Magellanic Cloud Clusters. II. NGC 1850
ApJ	449	527	Large-scale structures in the zone of avoidance: the galactic anticenter region
ApJ	448	179	The intermediate stellar mass population in R136 determined from Hubble Space Telescope planetary camera 2 images
ApJ	445	62	Radio properties of optically selected quasars.
ApJ	443	124	Radial Velocities of Stars in the Globular Cluster M4 and the Cluster Distance
ApJ	440	28	Brightest cluster galaxies as standard candles
ApJ	438	181	Ultraviolet Imaging Telescope and Optical Emission-Line Observations of H II Regions in M81
ApJ	428	693	Determining structure in molecular clouds.
ApJ	427	125	Orientation modeling of radio galaxy and quasar properties: evidence for a unified model.
ApJ	424	599	The influence of bars on the chemical composition of spiral galaxies
ApJ	416	36	The Dynamics of the Galaxy Cluster Abell 2634
ApJ	413	453	On the redshift-apparent size diagram of double radio sources
ApJ	412	183	The RR Lyrae variables in the globular cluster M68
ApJ	409	28	The Hubble Space Telescope Snapshot Survey. IV A Summary of the Search for Gravitationally Lensed Quasars
ApJ	405	498	Microjansky source counts and spectral indices at 8.44 GHz
ApJ	405	94	Far-infrared emission from the intracluster medium.
ApJ	384	404	The distribution of nearby rich clusters of galaxies
ApJ	368	54	New velocity dispersions and photometry for E and S0 galaxies in the great attractor
ApJ	347	251	The Nonthermal Stellar Dynamics of the Globular Cluster M15
ApJ	317	102	1.4 GHz continuum sources in the Cancer cluster.