NASA/IPAC EXTRAGALACTIC DATABASE

NED Acknowledgments
- 1994 -
Astrophysical Journal (ApJ, ApJL, ApJS)

Refcode Title
1994ApJ...421...34MHow Fast Do Quasar Emission Lines Vary? First Results from a Program to Monitor the Balmer Lines of the Palomar-Green Quasars
1994ApJ...422...60EAbsorption in X-Ray Spectra of High-Redshift Quasars
1994ApJ...422L..13GNeutral Hydrogen Absorption in NGC 1068 and NGC 3079
1994ApJ...423..180SAn H i Survey of High-Velocity Clouds in Nearby Disk Galaxies
1994ApJ...423..190PExtraplanar Emission-Line Gas in NGC 891
1994ApJ...424...59BEinstein X-Ray Observations of the Core of the Shapley Supercluster in Northern Centaurus
1994ApJ...424..114HCompact Radio Sources in the Starburst Galaxy M82 and the Sigma -D Relation for Supernova Remnants
1994ApJ...425...91SFar-Infrared Emission from the Bulges of Early-Type Spirals: KAO Observations of NGC 4736 (M94) and NGC 3627 (M66)
1994ApJ...425..103EX-Ray Absorption toward the Red Quasar 3C 212
1994ApJ...425..582RSteps toward Determination of the Size and Structure of the Broad-Line Region in Active Galactic Nuclei. V. Variability of the Ultraviolet Continuum and Emission Lines of NGC 3783
1994ApJ...427..160PExtraplanar Emission-Line Gas in Edge-on Galaxies
1994ApJ...427..628FThe Hubble Space Telescope Extragalactic Distance Scale Key Project. I. The Discovery of Cepheids and a New Distance to M81
1994ApJ...427..656MH II Regions in M81 Group Dwarf Galaxies
1994ApJ...428...93TThe HST Quasar Absorption Line Key Project. IV. HST Faint Object Spectrograph and Ground-based Observations of the Unusual Low-Redshift Broad Absorption Line Quasi-stellar Object PG 0043+039
1994ApJ...428..143HThe Hubble Space Telescope Extragalactic Distance Scale Key Project. II. Photometry of WFC Images of M81
1994ApJ...428..511SProbing Radial Age/Metallicity Degeneracy in Early-Type Galaxies
1994ApJ...429..192HThe Initial Mass Function for Massive Stars in the Magellanic Clouds. II. Interstellar Reddening toward 14 OB Associations
1994ApJ...429..204HThe Initial Mass Function for Massive Stars in the Magellanic Clouds. III. Luminosity and Mass Functions for 14 OB Associations
1994ApJ...429..618IArcs and Bridges in the Interacting Galaxies NGC 5775/NGC 5774
1994ApJ...430..371BDetection of a Flaring Low-Energy Gamma-Ray Source
1994ApJ...430..568HStar Formation in NGC 4449: MAMA-Detector UV Imagery and Fabry-Perot Balmer-Line Imagery
1994ApJ...432...75AThe Morphologies of Distant Galaxies. I. an Automated Classification System
1994ApJ...432..496RCompact Radio Cores in Seyfert Galaxies
1994ApJ...432..518TInfrared Imaging of Spiral Galaxies: Colors and Luminosity Profiles
1994ApJ...433..533TSpectral Energy Distributions of the Brightest Palomar-Green Quasars at Intermediate Redshifts
1994ApJ...433..583WAbundance Gradients in Cooling Flow Clusters: GINGA Large Area Counters and Einstein Solid State Spectrometer Spectra of A496, A1795, A2142, and A2199
1994ApJ...433..631WObservations and Models of the Sacred Mushroom: AM 1724-622
1994ApJ...433L..65MThe True Nature of IRAS-selected, X-Ray--luminous ``Normal'' Galaxies in the ROSAT All-Sky Survey
1994ApJ...434...67FHigh-Resolution Optical and UV Observations of the Centers of NGC 1316 and NGC 3998 with the Hubble Space Telescope
1994ApJ...434..484EThe HST Quasar Absorption Line Key Project. IX. an Emission-Line Study of PG 2251+113
1994ApJ...434..523SA ROSAT Observation of the Nearby Spiral Galaxy NGC 6946
1994ApJ...435L..31FFirst Hubble Space Telescope Observations of the Brightest Stars in the Virgo Galaxy M100 = NGC 4321
1994ApJ...436...67VWhy Do Head-Tail Sources Exist in Poor Clusters of Galaxies?
1994ApJ...436..102LGalaxies with Extreme Infrared and Fe II Emission. II. IRAS 07598+6508: A Starburst/Young Broad Absorption Line QSO
1994ApJ...436..216HGamma-Ray Observations of Ophiuchus with EGRET: The Diffuse Emission and Point Sources
1994ApJ...436..586MMultiwavelength Tests of the Dusty Torus Model for Seyfert Galaxies
1994ApJ...436L..59GThe X-Ray Spectrum of the Highly Polarized Quasar PKS 1502+106
1994ApJ...437...91SMultifrequency Observations of Blazars. V. Long-Term Millimeter, Submillimeter, and Infrared Monitoring
1994ApJ...437..173BGamma-Ray Observations of NGC 253 and M82 with OSSE
1994ApJS...90....1EDouble-peaked Emission Lines in Active Galactic Nuclei
1994ApJS...91...79HNeutral Hydrogen and Optical Properties of Three Amorphous Galaxies
1994ApJS...91..583HThe Initial Mass Function for Massive Stars in the Magellanic Clouds. I. UBV Photometry and Color-Magnitude Diagrams for 14 OB Associations
1994ApJS...93....1AMG II Absorption in a Sample of 56 Steep-Spectrum Quasars
1994ApJS...93..125FOptical Spectrophotometry of Blazars
1994ApJS...93..145KA Sensitive 1.5 GHz Radio Survey around the North Ecliptic Pole
1994ApJS...93..569BThe First Extreme Ultraviolet Explorer Source Catalog
1994ApJS...94..517MHigh-Energy Spectra of Active Galactic Nuclei. I. The Catalog
1994ApJS...94..551FThe First Energetic Gamma-Ray Experiment Telescope (EGRET) Source Catalog
1994ApJS...95..345TThe Second Caltech--Jodrell Bank VLBI Survey. I. Observations of 91 of 193 Sources
1994ApJS...95..371SThe X-Ray Spectra of Blazars: Analysis of the Complete EXOSAT Archive
1994ApJS...95..387ZSurvey of Emission-Line Galaxies: Universidad Complutense de Madrid List 1

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