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  • Recent Results

    • Northern Hemisphere Land Surface Warming - Human & Natural Factors

    • tau Ceti: a Pole-on Solar Analog

    • Hydrodynamic Atmospheric Escape in HD 189733 b

    • Two New Planets Orbiting ρ Coronae Borealis

    • EI Eri: A Star Under the Influence

    • Revised Properties for the HD 17156 System

    • Updated Constraints of the Young V1298 Tau System

    • A Flat Optical Transmission Spectrum for WASP-101b

    • UV transmission spectrum of Hot Jupiter WASP-79b

    • DREAM I. Orbital Architecture Orrery

    • CHARA Visual Orbits of HD 61859, HD 89822, HD 109510, and HD191692

    • Analysis of Three Eclipsing Binaries HD 71636, V1022 Cass, & OT And

    • Microarcsecond Astrometry at CHARA and VLTI

    • R_Aqr: 2020 Mid-Eclipse Disk Distress

    • HD 166620: Entering a Grand Magnetic Minimum

    • HD 260655: Two Rocky Worlds Transiting a Bright M Dwarf at 10 pc

    • Cal. Legacy Survey III: Inner & Outer Planets

    • Featureless Transmission Spectrum for WASP-80b

    • Magnetic Field Changes in LQ Hya at Activity Minimum

    • Discovery of Nine New gamma Doradus Variables

    • EXPRES II. Disentangling Photospheric Velocities

    • Ongoing Mass Loss from HD 63433c, a Young Mini-Neptune

    • Strong Magnetization in Atmosphere of HAT-P-11b

    • Activity Signatures in epsilon Eridani RVs

    • Strongly Irradiated Giant Exoplanet WASP-76b

    • Cal. Legacy Survey II: Giant Planets & Ice Line

    • Cal. Legacy Survey I: Catalog of 178 Planets

    • gamma Cas: The Last Roundup

    • Sun-Climate Debate

    • Differential Speckle Survey Instrument. X. K Binaries

    • Interferometric Imaging of lambda Andromedae

    • Speckle Imaging of Exoplanet Systems

    • Surface Structures on sigma Gem

    • Metal-rich Atmosphere for the Hot Jupiter HAT-P-41b

    • Multiplanet Systems HD106315 & GJ9827

    • Triple Companions for alpha Del & nu Gem

    • EXPRES. II. Planets around Active Stars

    • M Supergiant High-Mass X-Ray Binary

    • Collage of Small Planets

    • EXPRES Stellar-Signals Project. I.

    • Atmosphere of the Hot-Saturn WASP-21b

    • EXPRES. I. An Ideal RV Benchmark

    • Visual Orbits of HD 8374 and HD 24546

    • Optical to Infrared Spectrum of HAT-P-32Ab

    • Press Release on Sun-Like Stars and Solar Variability

    • The Mid-F One-day Eclipsing Binary KR Per

    • The Unevolved F-Type Eclipsing Binary BT Vul

    • The Hazy Atmosphere of Exoplanet WASP-6b

    • Differential Speckle Survey of Binary and Be Stars

    • Transmission Spectrum of the Sub-Saturn HAT-P-12b

    • A New Transmission Spectrum of HD 97658b

    • A New Compact Planetary System in 3:2 Resonance

    • Refinement of HD 9446, HD 43691, HD 179079

    • Sun-Like Stars & Solar Climate Forcing

    • Large-Scale Behavior in the Disk of delta Scorpii

    • Climate Variability in Two Canonical Hot Jupiters

    • Star-Spot Corrections for WASP-52b

    • Transmission Spectroscopy of WASP-79b

    • HAT-P-11b: A Neptune with Low Metallicity

    • SOPHIE Finds Seven New Brown Dwarf Companions

    • An Eccentric Jovian World Orbiting at 18 AU

    • Four Yellow Hypergiants

    • The Eclipsing Triple System HD 126516

    • Exosphere of GJ 436 b

    • HST Near-IR Emission Spectrum of WASP-121b

    • Near-UV Transmission Spectrum of WASP-121b

    • HST Analysis of First Main Sequence Pulsar CU Vir

    • Super-Earth Around the Nearby Star Gliese 411

    • Early F-type Eclipsing Binary V506 Oph

    • Characterization of the Atmosphere of GJ 3470 b

    • Neutron Star SyXB System 4U 1700+24 = V934 Her

    • Activity in the Young Sun Analogue HD 30495

    • Hints of Na I in the Cloudy Atmosphere of WASP-52b

    • Extended Neutral Hydrogen Atmosphere for GJ 3470b

    • Transmission Spectrum for Hot Jupiter WASP-121b

    • Helium in the Atmosphere of Exo-Neptune HAT-P-11b

    • 55 Cancri Exoplanet System Reassessed

    • Planet VULCAN Interview:
    • Planet VULCAN Found:
    • First Discovery from the Dharma Planet Survey

    • Highly-Eccentric Binary HR_7345

    • Spectroscopic Orbits for 13 Late-type Stars

    • Atmospheric Composition and Climate of WASP-103b

    • Helium in the Eroding Atmosphere of WASP-107b

    • Patterns of Variations in the Sun & Sun-like Stars

    • Precision Orbit of delta Delphini: Astrometric Detection of Exoplanets

    • Transmission Spectrum of Warm Neptune GJ 436b

    • Orbital Misalignment of Exoplanet GJ 436b

    • Post-Kepler Brightness Dips of KIC 8462852

    • Isothermal Atmosphere Around HAT-P-32Ab

    • A New Ultra-short-period Planet: K2-131b
    • (image)

    • Interferometric Imaging of sigma Geminorum

    • Long-Term Variability in Solar Analogs

    • Quadruple-lined, Doubly Eclipsing V482 Persei

    • New Precision Orbits of Double-lined Binaries

    • Gas-Giant Exoplanet with a Stratosphere

    • Active Binary UX Arietis

    • Period Variations in mCP Stars CU Vir & V901 Ori

    • Unprecedented Light on O9.5Iab Star HD 188209

    • Long-Term Photometry of BM Canum Venaticorum

    • General Model for Light Curves of CA Binary Stars

    • Externally Dispersed Interferometry: Part 2

    • Wolf 1061 Planetary System

    • Cloudy Atmosphere for JWST Target WASP-101b

    • New Orbits for Four S-Type Symbiotic Binaries

    • On-Sky Performance of TOU for Low-Mass Planets

    • Elements of the Massive Algol Binary ET Tauri

    • MARVELS: Planets in the Close Binary HD 87646

    • Three Temperate Neptunes Orbiting Nearby Stars

    • The Cool Saturn Exoplanet WASP-39b

    • 15 New Spectroscopic Orbits for Late-Type Stars

    • Stellar Activity Study of epsilon Eridani

    • Properties of the PMS Eclipsing Binary NP Persei

    • Vision: A Six-telescope Optical Beam Combiner

    • The Most Eccentric Exoplanet Known

    • Activity Trends in Young Solar-Type Stars

    • Activity and Outer Planet in the HD 99492 System

    • Spectroscopic Orbits of Five gamma Doradus Stars

    • Survey of 10 Hot-Jupiter Atmospheres

    • The Real Science Inspired by Star Wars

    • Water in the Atmosphere of the Hot Jupiter WASP-12b

    • Six Planets Orbiting the K3V Star HD 219134

    • Metallic-Line Eclipsing Binary V501 Monocerotis

    • Magnetic Cycles in Young Solar Analog HD 30495

    • Missed 26-year Eclipse of alpha Comae Berenices

    • Omi Dra: Ingestion of a Low-Mass Companion?

    • XO-2b: A Hot Jupiter Around a Variable Host

    • New Orbits for Three S-Type Symbiotic Binaries

    • Ellipsoidal Variations and Secondary in sigma Gem

    • Characterization of the 70 Virginis Planetary System

    • Three Super-Earths Orbiting HD 7924
      • (press release)

    • Changing Light Curves of the CA Binary LQ Hydrae

    • Refined properties of the HD 130322 Planet System

    • Stellar Activity and RVs in Exoplanet Host GJ 176

    • Multi-Baseline Bootstrapping at NPOI

    • HD 207651: Composite Spectrum Triple System

    • Precise Orbits IX: HD 54371, HR 2692, 16 UMa

    • Eclipse Prediction for 26 Year Binary alpha Com

    • Properties of Eclipsing Binary Star IM Persei

    • Ap Stars with Variable Periods

    • Starspot Imaging with the CHARA Array

    • Thermal Structure of WASP-43b Atmosphere

    • Astrometry, RVs, and Photometry of HD 128311

    • Absolute Properties of the Eclipsing Binary V501 Her

    • Low-Mass Planet Around a Nearby M Dwarf

    • Polaris' Pulsation Grows

    • Warm Ice Giant GJ 3470b

    • Busby Retires as Director Center of Excellence

    • A Neptune-Mass Planet Orbiting GJ 687

    • Halpha EW Variations in gamma Cas

    • Four Planets Orbiting the K0V Star HD 141399

    • Properties of Eclipsing Binary Star AP And

    • Absolute Elements of Eclipsing Binary ES Librae

    • Navy Precision Optical Interferometer (NPOI)

    • Triple Star System 1 Gem

    • HD 25558: An SB2 with Two SPB Components

    • Spot Activity in sigma Gem

    • Photometry of II Pegasi

    • Properties of VV Crv

    • Precision Orbits. VIII.

    • Exoplanet WASP-19b

    • Astrometric Binaries

    • Dust on HD 189733b

    • Decadal Variations of Sun-Like Stars

    • D-Type Symbiotic Novae

    • Transit Exclusion for the HD 38529 Planetary System

    • Circumstellar Environment of delta Sco

    • Five New Solar-Type SB1s

    • K-Giant Binary Sigma CMi

    • New Camera for Navy Optical Interferometer

    • Discovery of Extrasolar Planet HD 37605c

    • Non-Detection of Transits in HD 97658 with MOST

    • Photometric Variability in gamma Cas: 15 Seasons

    • New Eclipsing Binaries from the ASAS Catalogue

    • Two-Planet System Around the Star HD 207832

    • Confronting a Solar Irradiance Reconstruction

    • Interferometry of Classical Nova V458 Vul 2007

    • Absolute Properties of Eclipsing Binary V335 Ser

    • HD 192263b: Porb & Stellar Activity Disentangled

    • Non-Equilibrium Chemistry in Exoplanet HD 189733b

    • Spot Activity of LQ Hydra

    • Starspot Imaging with the CHARA Array

    • Properties of the Dusty Binary BD +20 307

    • MOST Photometry and 2m AST Monitoring of Rigel

    • Spectroscopic/Astrometric Properties of SB2 BY Dra

    • Eclipsing Binary HY Vir

    • 18 New Jovian Planets

    • Activity and Rotation in Solar-Type Stars

    • Ten-Fold Resolution Boost for TEDI on Mt. Palomar 200-inch Telescope

    • Chemical Abundances in Globular Cluster NGC 6171

    • Surprising Variations in the CP Stars CU Vir & V901 Ori

    • A Transiting, Low-Density Super-Earth for HD 97658

    • Atmospheric Haze in Exoplanet HD 189733b

    • Precise SB2 Orbits VII: 47 And, 38 Cas, & HR 8467

    • Precise Stellar Radial Velocities with TEDI

    • Volume-Limited Survey of Gamma Dor Candidates