All Stories

  1. HZ_evolution: A Package to Calculate Habitable Histories
  2. SETI in 2022
  3. GRASS. II. Simulations of Potential Granulation Noise Mitigation Methods
  4. Project Hephaistos – II. Dyson sphere candidates from Gaia DR3, 2MASS, and WISE
  5. The Kepler Giant Planet Search. I. A Decade of Kepler Planet-host Radial Velocities from W. M. Keck Observatory
  6. Deconstructing Alien Hunting
  7. TOI-1670 c, a 40 day Orbital Period Warm Jupiter in a Compact System, Is Well Aligned
  8. A Neptune-mass exoplanet in close orbit around a very low-mass star challenges formation models
  9. Direct Measurements of Stellar Masses with the Habitable World Observatory
  10. Fortuitous Observations of Potential Stellar Relay Probe Positions with GBT
  11. Application of the Thermodynamics of Radiation to Dyson Spheres as Work Extractors and Computational Engines and Their Observational Consequences
  12. The Extreme Stellar-signals Project. III. Combining Solar Data from HARPS, HARPS-N, EXPRES, and NEID
  13. The Unusual M-dwarf Warm Jupiter TOI-1899 b: Refinement of Orbital and Planetary Parameters
  14. TOI-3785 b: A Low-density Neptune Orbiting an M2-dwarf Star
  15. Frank Drake
  16. A High-Eccentricity Warm Jupiter Orbiting TOI-4127
  17. The Abundance of Belatedly Habitable Planets and Ambiguities in Definitions of the Continuously Habitable Zone
  18. NEID Reveals That the Young Warm Neptune TOI-2076 b Has a Low Obliquity
  19. A Green Bank Telescope Search for Narrowband Technosignatures between 1.1 and 1.9 GHz During 12 Kepler Planetary Transits
  20. Technosignatures: Frameworks for Their Assessment
  21. Detection of p-mode Oscillations in HD 35833 with NEID and TESS
  22. Search for an Alien Message to a Nearby Star
  23. Geopolitical Implications of a Successful SETI Program
  24. HD 166620: Portrait of a Star Entering a Grand Magnetic Minimum
  25. A Search for Radio Technosignatures at the Solar Gravitational Lens Targeting Alpha Centauri
  26. SETI in 2021
  27. Potential Habitability as a Stellar Property: Effects of Model Uncertainties and Measurement Precision
  28. Eclipse Timing the Milky Way’s Gravitational Potential
  29. Five Decades of Chromospheric Activity in 59 Sun-like Stars and New Maunder Minimum Candidate HD 166620
  30. Detectability of Chlorofluorocarbons in the Atmospheres of Habitable M-dwarf Planets
  31. The Case for Technosignatures: Why They May Be Abundant, Long-lived, Highly Detectable, and Unambiguous
  32. Project Hephaistos I. Upper limits on partial Dyson spheres in the Milky Way
  33. SETI in 2020
  34. Evolutionary and Observational Consequences of Dyson Sphere Feedback
  35. GRASS: Distinguishing Planet-induced Doppler Signatures from Granulation with a Synthetic Spectra Generator
  36. Stellar Gravitational Lens Engineering for Interstellar Communication and Artifact SETI
  37. Strategies and advice for the Search for Extraterrestrial Intelligence
  38. Belatedly Habitable Planets
  39. Stellar Activity Manifesting at a One-year Alias Explains Barnard b as a False Positive
  40. The Dynamics of the Transition from Kardashev Type II to Type III Galaxies Favor Technosignature Searches in the Central Regions of Galaxies
  41. Target Prioritization and Observing Strategies for the NEID Earth Twin Survey
  42. A Framework for Relative Biosignature Yields from Future Direct Imaging Missions
  43. Toward a Direct Measure of the Galactic Acceleration
  44. An Extreme-mass Ratio, Short-period Eclipsing Binary Consisting of a B Dwarf Primary and a Pre-main Sequence M Star Companion Discovered by KELT
  45. The Habitable Zone Planet Finder Reveals a High Mass and Low Obliquity for the Young Neptune K2-25b
  46. Planck frequencies as Schelling points in SETI
  47. A Warm Jupiter Transiting an M Dwarf: A TESS Single-transit Event Confirmed with the Habitable-zone Planet Finder
  48. Barycentric Corrections for Precise Radial Velocity Measurements of Sunlight
  49. Transits of Known Planets Orbiting a Naked-eye Star
  50. TOI-1728b: The Habitable-zone Planet Finder Confirms a Warm Super-Neptune Orbiting an M-dwarf Host
  51. Searching for Dyson spheres using Gaia and WISE
  52. Persistent Starspot Signals on M Dwarfs: Multiwavelength Doppler Observations with the Habitable-zone Planet Finder and Keck/HIRES
  53. Evidence for He i 10830 Å Absorption during the Transit of a Warm Neptune around the M-dwarf GJ 3470 with the Habitable-zone Planet Finder
  54. Astrophysical Insights into Radial Velocity Jitter from an Analysis of 600 Planet-search Stars
  55. Properties of F Stars with Stable Radial Velocity Timeseries: A Useful Metric for Selecting Low-jitter F Stars
  56. Solar Contamination in Extreme-precision Radial-velocity Measurements: Deleterious Effects and Prospects for Mitigation
  57. Diffuser-assisted Infrared Transit Photometry for Four Dynamically Interacting Kepler Systems
  58. Commentary: High journal acceptance rates are good for science
  59. Dyson spheres
  60. The Orbit of WASP-12b Is Decaying
  61. Calibrating Iodine Cells for Precise Radial Velocities
  62. A Full Implementation of Spectro-perfectionism for Precise Radial Velocity Exoplanet Detection: A Test Case With the MINERVA Reduction Pipeline
  63. The Effects of Telluric Contamination in Iodine-calibrated Precise Radial Velocities
  64. KELT-24b: A 5M J Planet on a 5.6 day Well-aligned Orbit around the Young V = 8.3 F-star HD 93148
  65. On the Origin of the Term “Cosmic Haystack”
  66. Choosing a Maximum Drift Rate in a SETI Search: Astrophysical Considerations
  67. Minerva-Australis. I. Design, Commissioning, and First Photometric Results
  68. First Radial Velocity Results From the MINiature Exoplanet Radial Velocity Array (MINERVA)
  69. The Fermi Paradox and the Aurora Effect: Exo-civilization Settlement, Expansion, and Steady States
  70. Photon-weighted barycentric correction and its importance for precise radial velocities
  71. TESS Reveals that the Nearby Pisces–Eridanus Stellar Stream is only 120 Myr Old
  72. Choosing a Maximum Drift Rate: Astrophysical Considerations
  73. Wanting funds to “look everywhere”
  74. Letters Rediscovering the roots of our work
  75. High-resolution spectroscopy of Boyajian’s star during optical dimming events
  76. Ultrastable environment control for the NEID spectrometer: design and performance demonstration
  77. Retired A Stars and Their Companions. VIII. 15 New Planetary Signals around Subgiants and Transit Parameters for California Planet Search Planets with Subgiant Hosts
  78. Stellar spectroscopy in the near-infrared with a laser frequency comb
  79. KELT-22Ab: A Massive, Short-Period Hot Jupiter Transiting a Near-solar Twin
  80. Rebuttal to: ‘Deconstructing the Rio Scale: problems of subjectivity and generalization’
  81. The 1D Relativistic Doppler Formula Is an Incorrect Approximation in Precise Radial Velocity Work
  82. How Much SETI Has Been Done? Finding Needles in the n-dimensional Cosmic Haystack
  83. Milan M. Ćirković: The Great Silence: The Science and Philosophy of Fermi’s Paradox
  84. Erratum: “Planet–Planet Tides in the TRAPPIST-1 System” (2018, RNAAS, 2, 175)
  85. Inferring the Composition of Disintegrating Planet Interiors from Dust Tails with Future James Webb Space Telescope Observations
  86. Planet–Planet Tides in the TRAPPIST-1 System
  87. HD 4915: A Maunder Minimum Candidate
  88. The NEID precision radial velocity spectrometer: port adapter overview, requirements, and test plan
  89. Rio 2.0: revising the Rio scale for SETI detections
  90. Proving Heliocentrism and Measuring the Astronomical Unit in a Laboratory Astronomy Class Via the Aberration of Starlight
  91. The NEID precision radial velocity spectrometer: optical design of the port adapter and ADC
  92. K2-231 b: A Sub-Neptune Exoplanet Transiting a Solar Twin in Ruprecht 147
  93. Some Bright Stars with Smooth Continua for Calibrating the Response of High-resolution Spectrographs
  94. Proper Motion of the Faint Star near KIC 8462852 (Boyajian's Star)—Not a Binary System
  95. A Reassessment of Families of Solutions to the Puzzle of Boyajian's Star
  96. The First Post-Kepler Brightness Dips of KIC 8462852
  97. Python Leap Second Management and Implementation of Precise Barycentric Correction (barycorrpy)
  98. Exoplanets and SETI
  99. Radial Velocities as an Exoplanet Discovery Method
  100. KELT-19Ab: A P ∼ 4.6-day Hot Jupiter Transiting a Likely Am Star with a Distant Stellar Companion
  101. The Third Workshop on Extremely Precise Radial Velocities: The New Instruments
  102. On Distinguishing Interstellar Objects Like ‘Oumuamua From Products of Solar System Scattering
  103. KELT-20b: A Giant Planet with a Period of P ∼ 3.5 days Transiting the V ∼ 7.6 Early A Star HD 185603
  104. Toward Space-like Photometric Precision from the Ground with Beam-shaping Diffusers
  105. Breakthrough Listen – A new search for life in the universe
  106. Evidence for Atmospheric Cold-trap Processes in the Noninverted Emission Spectrum of Kepler-13Ab Using HST/WFC3
  107. Explaining a few discoveries
  108. Visions of human futures in space and SETI
  109. Prior indigenous technological species
  110. KELT-11b: A Highly Inflated Sub-Saturn Exoplanet Transiting theV= 8 Subgiant HD 93396
  111. Strange News from Another Star
  112. The Mysterious Dimmings of the T Tauri Star V1334 Tau
  113. Multiwavelength Transit Observations of the Candidate Disintegrating Planetesimals Orbiting WD 1145+017
  114. Exoplanets and SETI
  115. Radial Velocities as an Exoplanet Discovery Method
  116. NEAR-INFRARED EMISSION SPECTRUM OF WASP-103B USINGHUBBLE SPACE TELESCOPE/WIDE FIELD CAMERA 3
  117. THREE TEMPERATE NEPTUNES ORBITING NEARBY STARS
  118. FAMILIES OF PLAUSIBLE SOLUTIONS TO THE PUZZLE OF BOYAJIAN’S STAR
  119. A comprehensive radial velocity error budget for next generation Doppler spectrometers
  120. Design of NEID, an extreme precision Doppler spectrograph for WIYN
  121. THE PUTATIVE OLD, NEARBY CLUSTER LODÉN 1 DOES NOT EXIST
  122. THE SPITZER MICROLENSING PROGRAM AS A PROBE FOR GLOBULAR CLUSTER PLANETS: ANALYSIS OF OGLE-2015-BLG-0448
  123. State of the Field: Extreme Precision Radial Velocities
  124. STATISTICS OF LONG PERIOD GAS GIANT PLANETS IN KNOWN PLANETARY SYSTEMS
  125. EVIDENCE FOR REFLECTED LIGHT FROM THE MOST ECCENTRIC EXOPLANET KNOWN
  126. STELLAR ACTIVITY AND EXCLUSION OF THE OUTER PLANET IN THE HD 99492 SYSTEM
  127. THE Ĝ SEARCH FOR EXTRATERRESTRIAL CIVILIZATIONS WITH LARGE ENERGY SUPPLIES. IV. THE SIGNATURES AND INFORMATION CONTENT OF TRANSITING MEGASTRUCTURES
  128. ON THE STELLAR COMPANION TO THE EXOPLANET HOSTING STAR 30 ARIETIS B
  129. An empirically derived three-dimensional Laplace resonance in the Gliese 876 planetary system
  130. A disintegrating minor planet transiting a white dwarf
  131. MINERVA: SMALL PLANETS FROM SMALL TELESCOPES
  132. Magnetism and activity of planet hosting stars
  133. A COMPREHENSIVE CHARACTERIZATION OF THE 70 VIRGINIS PLANETARY SYSTEM
  134. REVISION OF EARTH-SIZEDKEPLERPLANET CANDIDATE PROPERTIES WITH HIGH-RESOLUTION IMAGING BY THEHUBBLE SPACE TELESCOPE
  135. Miniature Exoplanet Radial Velocity Array I: design, commissioning, and early photometric results
  136. THE Ĝ INFRARED SEARCH FOR EXTRATERRESTRIAL CIVILIZATIONS WITH LARGE ENERGY SUPPLIES. III. THE REDDEST EXTENDED SOURCES INWISE
  137. REFINED PROPERTIES OF THE HD 130322 PLANETARY SYSTEM
  138. THE CALIFORNIA PLANET SURVEY IV: A PLANET ORBITING THE GIANT STAR HD 145934 AND UPDATES TO SEVEN SYSTEMS WITH LONG-PERIOD PLANETS
  139. A COMPREHENSIVE STATISTICAL ASSESSMENT OF STAR-PLANET INTERACTION
  140. HUBBLE SPACE TELESCOPEHIGH-RESOLUTION IMAGING OFKEPLERSMALL AND COOL EXOPLANET HOST STARS
  141. CHARACTERIZATION OF THE ATMOSPHERE OF THE HOT JUPITER HAT-P-32Ab AND THE M-DWARF COMPANION HAT-P-32B
  142. THE NASA-UC-UH ETA-EARTH PROGRAM. IV. A LOW-MASS PLANET ORBITING AN M DWARF 3.6 PC FROM EARTH
  143. Barycentric Corrections at 1 cm s-1for Precise Doppler Velocities
  144. Exoplanet Orbit Database. II. Updates to Exoplanets.org
  145. THE Ĝ INFRARED SEARCH FOR EXTRATERRESTRIAL CIVILIZATIONS WITH LARGE ENERGY SUPPLIES. I. BACKGROUND AND JUSTIFICATION
  146. THE Ĝ INFRARED SEARCH FOR EXTRATERRESTRIAL CIVILIZATIONS WITH LARGE ENERGY SUPPLIES. II. FRAMEWORK, STRATEGY, AND FIRST RESULT
  147. Design, motivation, and on-sky tests of an efficient fiber coupling unit for 1-meter class telescopes
  148. Empirically Derived Dynamical Models for the 55 Cancri and GJ 876 Planetary Systems
  149. EARTHSHINE ON A YOUNG MOON: EXPLAINING THE LUNAR FARSIDE HIGHLANDS
  150. The 55 Cancri planetary system: fully self-consistent N-body constraints and a dynamical analysis
  151. LIMITS ON STELLAR COMPANIONS TO EXOPLANET HOST STARS WITH ECCENTRIC PLANETS
  152. THE TRENDS HIGH-CONTRAST IMAGING SURVEY. V. DISCOVERY OF AN OLD AND COLD BENCHMARK T-DWARF ORBITING THE NEARBY G-STAR HD 19467
  153. RADIAL VELOCITY VARIATIONS OF PHOTOMETRICALLY QUIET, CHROMOSPHERICALLY INACTIVEKEPLERSTARS: A LINK BETWEEN RV JITTER AND PHOTOMETRIC FLICKER
  154. CHARACTERIZING THE ORBITAL AND DYNAMICAL STATE OF THE HD 82943 PLANETARY SYSTEM WITH KECK RADIAL VELOCITY DATA
  155. THE TRENDS HIGH-CONTRAST IMAGING SURVEY. III. A FAINT WHITE DWARF COMPANION ORBITING HD 114174
  156. THE TRENDS HIGH-CONTRAST IMAGING SURVEY. II. DIRECT DETECTION OF THE HD 8375 TERTIARY
  157. MARVELS-1: A FACE-ON DOUBLE-LINED BINARY STAR MASQUERADING AS A RESONANT PLANETARY SYSTEM AND CONSIDERATION OF RARE FALSE POSITIVES IN RADIAL VELOCITY PLANET SEARCHES
  158. HOST STAR PROPERTIES AND TRANSIT EXCLUSION FOR THE HD 38529 PLANETARY SYSTEM
  159. RUPRECHT 147: THE OLDEST NEARBY OPEN CLUSTER AS A NEW BENCHMARK FOR STELLAR ASTROPHYSICS
  160. ERRATUM: “EFFICIENT FITTING OF MULTI-PLANET KEPLERIAN MODELS TO RADIAL VELOCITY AND ASTROMETRY DATA” (2009, ApJS, 182, 205)
  161. PRECISE DOPPLER MONITORING OF BARNARD'S STAR
  162. RETIRED A STARS: THE EFFECT OF STELLAR EVOLUTION ON THE MASS ESTIMATES OF SUBGIANTS
  163. Exoplanet Detection Methods
  164. THE DISCOVERY OF HD 37605cAND A DISPOSITIVE NULL DETECTION OF TRANSITS OF HD 37605b
  165. THE TRENDS HIGH-CONTRAST IMAGING SURVEY. I. THREE BENCHMARK M DWARFS ORBITING SOLAR-TYPE STARS
  166. The habitable-zone planet finder: a stabilized fiber-fed NIR spectrograph for the Hobby-Eberly Telescope
  167. ON THE DETECTABILITY OF STAR-PLANET INTERACTION
  168. THE HD 192263 SYSTEM: PLANETARY ORBITAL PERIOD AND STELLAR VARIABILITY DISENTANGLED
  169. THE FREQUENCY OF HOT JUPITERS ORBITING NEARBY SOLAR-TYPE STARS
  170. THE SDSS-HET SURVEY OFKEPLERECLIPSING BINARIES: SPECTROSCOPIC DYNAMICAL MASSES OF THE KEPLER-16 CIRCUMBINARY PLANET HOSTS
  171. THE DYNAMICAL MASS AND THREE-DIMENSIONAL ORBIT OF HR7672B: A BENCHMARK BROWN DWARF WITH HIGH ECCENTRICITY
  172. DETECTION OFKS-BAND THERMAL EMISSION FROM WASP-3b
  173. M2K. II. A TRIPLE-PLANET SYSTEM ORBITING HIP 57274
  174. A HIGH-ECCENTRICITY COMPONENT IN THE DOUBLE-PLANET SYSTEM AROUND HD 163607 AND A PLANET AROUND HD 164509
  175. A SEARCH FOR THE TRANSIT OF HD 168443b: IMPROVED ORBITAL PARAMETERS AND PHOTOMETRY
  176. RETIRED A STARS AND THEIR COMPANIONS. VII. 18 NEW JOVIAN PLANETS
  177. NON-DETECTION OF THE PUTATIVE SUBSTELLAR COMPANION TO HD 149382
  178. TERMS PHOTOMETRY OF KNOWN TRANSITING EXOPLANETS
  179. STELLAR VARIABILITY OF THE EXOPLANET HOSTING STAR HD 63454
  180. REVISED ORBIT AND TRANSIT EXCLUSION FOR HD 114762b
  181. Precise Stellar Radial Velocities of an M Dwarf with a Michelson Interferometer and a Medium-Resolution Near-Infrared Spectrograph
  182. IMPROVED ORBITAL PARAMETERS AND TRANSIT MONITORING FOR HD 156846b
  183. The Exoplanet Orbit Database
  184. THE CALIFORNIA PLANET SURVEY. III. A POSSIBLE 2:1 RESONANCE IN THE EXOPLANETARY TRIPLE SYSTEM HD 37124
  185. THE NASA-UC ETA-EARTH PROGRAM. III. A SUPER-EARTH ORBITING HD 97658 AND A NEPTUNE-MASS PLANET ORBITING Gl 785
  186. MARVELS-1b: A SHORT-PERIOD, BROWN DWARF DESERT CANDIDATE FROM THE SDSS-III MARVELS PLANET SEARCH
  187. Improving Transit Predictions of Known Exoplanets with TERMS
  188. THE NASA-UC ETA-EARTH PROGRAM. II. A PLANET ORBITING HD 156668 WITH A MINIMUM MASS OF FOUR EARTH MASSES
  189. The Occurrence and Mass Distribution of Close-in Super-Earths, Neptunes, and Jupiters
  190. THE CALIFORNIA PLANET SURVEY. I. FOUR NEW GIANT EXOPLANETS
  191. Infrared radial velocimetry with TEDI: performance development
  192. Precise infrared radial velocimetry with the Triplespec Exoplanet Discovery Instrument: current performance and results
  193. The habitable zone planet finder: a proposed high-resolution NIR spectrograph for the Hobby Eberly Telescope to discover low-mass exoplanets around M dwarfs
  194. Retired A Stars and Their Companions. IV. Seven Jovian Exoplanets from Keck Observatory1
  195. The California Planet Survey. II. A Saturn-Mass Planet Orbiting the M Dwarf Gl 6491
  196. A Survey of Multiple Planet Systems
  197. FIVE PLANETS AND AN INDEPENDENT CONFIRMATION OF HD 196885Ab FROM LICK OBSERVATORY
  198. TWO EXOPLANETS DISCOVERED AT KECK OBSERVATORY
  199. A THIRD GIANT PLANET ORBITING HIP 14810
  200. Old, Rich, and Eccentric: Two Jovian Planets Orbiting Evolved Metal-Rich Stars1
  201. EFFICIENT FITTING OF MULTIPLANET KEPLERIAN MODELS TO RADIAL VELOCITY AND ASTROMETRY DATA
  202. THE NASA-UC ETA-EARTH PROGRAM. I. A SUPER-EARTH ORBITING HD 7924
  203. TEN NEW AND UPDATED MULTIPLANET SYSTEMS AND A SURVEY OF EXOPLANETARY SYSTEMS
  204. NONDETECTION OF THE NEPTUNE-MASS PLANET REPORTED AROUND GJ 176
  205. TWO JUPITER-MASS PLANETS ORBITING HD 154672 AND HD 205739
  206. The Jupiter Twin HD 154345b
  207. Exoplanet properties from Lick, Keck and AAT
  208. Dispersed interferometry for infrared exoplanet velocimetry
  209. Precision Radial Velocities in the Near Infrared with TEDI
  210. The Keck Planet Search: Detectability and the Minimum Mass and Orbital Period Distribution of Extrasolar Planets
  211. Five Planets Orbiting 55 Cancri
  212. Retired A Stars and Their Companions. II. Jovian planets orbiting κ CrB and HD 167042
  213. A New Planet around an M Dwarf: Revealing a Correlation between Exoplanets and Stellar Mass
  214. Five Intermediate‐Period Planets from the N2K Sample
  215. Fourteen New Companions from the Keck and Lick Radial Velocity Survey Including Five Brown Dwarf Candidates
  216. Retired A Stars and Their Companions: Exoplanets Orbiting Three Intermediate‐Mass Subgiants
  217. Four New Exoplanets and Hints of Additional Substellar Companions to Exoplanet Host Stars
  218. A Long‐Period Jupiter‐Mass Planet Orbiting the Nearby M Dwarf GJ 8491
  219. An Eccentric Hot Jupiter Orbiting the Subgiant HD 185269
  220. The N2K Consortium. VI. Doppler Shifts without Templates and Three New Short‐Period Planets
  221. Maunder Minimum stars revisited: recalibrating Ca II H&K measures
  222. Catalog of Nearby Exoplanets
  223. The N2K Consortium. III. Short‐Period Planets Orbiting HD 149143 and HD 109749
  224. Solar‐like Oscillations in α Centauri B
  225. The N2K Consortium. II. A Transiting Hot Saturn around HD 149026 with a Large Dense Core
  226. Five New Multicomponent Planetary Systems
  227. Radial Velocity Jitter in Stars from the California and Carnegie Planet Search at Keck Observatory
  228. Erratum: "Do We Know of Any Maunder Minimum Stars?" [[URL ADDRESS="/cgi-bin/resolve?2004AJ....128.1273W" STATUS="OKAY"]AJ, 128, 1273 (2004)[/URL]]
  229. The N2K Consortium. I. A Hot Saturn Planet Orbiting HD 88133
  230. Five New Extrasolar Planets
  231. Observed Properties of Exoplanets: Masses, Orbits, and Metallicities
  232. A Neptune‐Mass Planet Orbiting the Nearby M Dwarf GJ 436
  233. Oscillation Frequencies and Mode Lifetimes in α Centauri A
  234. Do We Know of Any Maunder Minimum Stars?
  235. Chromospheric CaiiEmission in Nearby F, G, K, and M Stars
  236. Ultra-High-Precision Velocity Measurements of Oscillations in Centauri A
  237. A Planetary Companion to HD 40979 and Additional Planets Orbiting HD 12661 and HD 38529
  238. Seven New Keck Planets Orbiting G and K Dwarfs
  239. A Catalogue of Nearby Exoplanets