136 papers found
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Quasar Clustering and the Lifetime of Quasars
Morphology of agn in the central kiloparsec
Near‐Infrared Spectroscopy of Molecular Hydrogen Emission in Four Reflection Nebulae: NGC 1333, NGC 2023, NGC 2068, and NGC 7023
[ITAL]HUBBLE SPACE TELESCOPE[/ITAL][ITAL]Hubble Space Telescope[/ITAL] Observations of the C[CLC]f[/CLC]A Seyfert 2 Galaxies: The Fueling of Active Galactic Nuclei
Nova Sagittarii 1994 1 (V4332 Sagittarii): The Discovery and Evolution of an Unusual Luminous Red Variable Star
Quasar Candidates in the Hubble Deep Field
A Deep Multicolor Survey. V. The M Dwarf Luminosity Function
The Giant Branches of Open and Globular Clusters in the Infrared as Metallicity Indicators: A Comparison with Theory.
The Optical[solm0]Near-Infrared Colors of Broad Absorption Line Quasars, Including the Candidate Radio-loud Broad Absorption Line Quasar 1556+3517
Near‐Infrared Spectroscopy of Molecular Filaments in the Reflection Nebula NGC 7023
Scratches from the Past: Inflationary Archaeology through Features in the Power Spectrum of Primordial Fluctuations
The DESI Experiment Part II: Instrument Design
QSO lifetimes
Dark Energy and Modified Gravity
Die Gesetze der Prüfung von Heilmitteln bei der Lungentuberkulose
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