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List of works by Thomas R. Ayres

3 M[CLC]s[/CLC] in the Life of β Ceti: Sustained Flare Activity on a Clump Giant Detected by the [ITAL]Extreme Ultraviolet Explorer[/ITAL]

scientific article published in the Astrophysical Journal

A Comparison of the Outer Atmosphere of the “Flat Activity” Star τ Ceti (G8 V) with the Sun (G2 V) and α Centauri A (G2 V)

scientific article published in the Astrophysical Journal

A Multiwavelength Look at the GJ 9827 System: No Evidence of Extended Atmospheres in GJ 9827b and d from HST and CARMENES Data

scientific article published on 22 February 2021

A Multiwavelength Perspective of Flares on HR 1099: 4 Years of Coordinated Campaigns

scholarly article

A closer look at the Alpha Persei coronal conundrum

scientific article published in January 2017

A deep, Doppler-compensated IUE SWP echellogram of the KO primary of HR 1099

scientific article published in January 1987

A far-ultraviolet flare on a Pleiades G dwarf

scientific article published in January 1994

A light carbon isotope composition for the Sun.

scientific article published on 2 March 2018

A possible width-luminosity correlation of the Ca II k1 and Mg II k1 features

scientific article published in January 1975

A progress report on the analysis of long exposure SWP high resolution spectra of cool stars

scientific article published in January 1984

A reanalysis of the IUE high resolution observations of Capella

scholarly article

A reanalysis of the SWP-HI IUE observations of Capella

scientific article published in January 1995

A search for an emission-line region in the hydrogen-deficient carbon star HD 182040

A search for coronal soft X-ray emission from cool stars with HEAO 1

scientific article published in January 1979

A semiempirical determination of the wind velocity structure for the hybrid-chromosphere star alpha-Trianguli australis

scientific article published in January 1995

A spectral dissection of the ultravolet emissions of Capella

scientific article published in January 1988

AFar Ultraviolet Spectroscopic ExplorerSurvey of Coronal Forbidden Lines in Late‐Type Stars

scientific article published in the Astrophysical Journal

AFar Ultraviolet Spectroscopic ExplorerSurvey of Late‐Type Dwarf Stars

scientific article published in the Astrophysical Journal

Absorbing gas around the WASP-12 planetary system

scientific article published in January 2013

Advanced Spectral Library (ASTRAL): Cool stars edition

scholarly article

Alpha Centauri Beyond the Crossroads

scientific article published on 22 January 2018

Alpha Trianguli Australis (K2 II-III): hybrid or composite ?

scientific article published in January 1985

An HST COS "SNAPshot" spectrum of the K supergiant {lambda} Vel (K4Ib-II)

An abundance analysis from the STIS-HST UV spectrum of the non-magnetic Bp star HR 6000

scientific article published in January 2017

An estimate of the Sun's ROSAT-PSPC X-ray luminosities using SNOE-SXP measurements

scholarly article

Asteroseismology and Spectropolarimetry of the Exoplanet Host Star λ Serpentis

scientific article published on 21 September 2023

Beyond the coronal graveyard

scientific article published in January 2018

Buried Alive in the Coronal Graveyard

scientific article published in the Astrophysical Journal

Buried alive in the coronal graveyard

scholarly article

CO fundamental bands in late-type stars. II. Spectrum simulations for F-K stars

scientific article published in January 1991

COMMISSION 36: THEORY OF STELLAR ATMOSPHERES

scientific article published in December 2007

COMMISSION 36: THEORY OF STELLAR ATMOSPHERES

scientific article published on 14 May 2010

Capella HL

Capella revisited

scholarly article

Carbon Monoxide and the Temperature Structure of the Solar Atmosphere

scholarly article

Chandra's darkest bright star: not so dark after all?

scientific article

Chandra, extreme ultraviolet explorer, and very large array observations of the active binary system {sigma}^2^ coronae Borealis

scientific article published in January 2003

Chandra,EUVE,HST, and VLA Multiwavelength Campaign on HR 1099: Instrumental Capabilities, Data Reduction, and Initial Results

scientific article published in the Astrophysical Journal

ChandraObservations of Coronal Emission from the Early G Supergiants α and β Aquarii

scientific article published in the Astrophysical Journal

Chromospheric thermal continuum millimetre emission from non-dusty K and M red giants

scientific article published in January 2013

Commission 36: Theory of Stellar Atmospheres

scientific article published in December 2005

Comparison of the spectrum of a sunspot-like star with a sunspot

scientific article published in January 2002

Constraining the magnetic field on white dwarf surfaces; Zeeman effects and fine structure constant variation

scholarly article

CoolCAT

Critical Science Plan for the Daniel K. Inouye Solar Telescope (DKIST)

scientific article published in April 2021

Deuterium and the local interstellar medium: properties for the Procyon and Capella lines of sight

scientific article published in January 1995

Digging deeper in the coronal graveyard

Digging deeper in the coronal graveyard: postscript

scientific article published in January 1999

Digging in the coronal graveyard: a ROSAT observation of the red giant Arcturus

scientific article published in January 1991

Discovery of X-rays from the 40 Eridani system

scientific article published in January 1979

Does the sun have a full-time COmosphere

scholarly article

Empirical continuum modeling for IUE low-dispersion spectra

scientific article published in January 1988

Evaluating possible heating mechanisms using the transition region line profiles of late-type stars

scientific article

Evolution of chromospheres and coronae in solar mass stars: a far-ultraviolet and soft X-ray comparison of Arcturus (K2III) and alpha Centauri A (G2V)

scientific article

Evolution of the alpha Centauri system

scientific article published in January 1978

Extreme ultraviolet spectroscopy of Capella

scientific article published in January 1992

FK Comae Berenices, king of spin: the COCOA-PUFS project

scientific article published in January 2016

FK Comae: king of spin

scientific article published in January 2004

Far-ultraviolet and X-ray emission of the long period RS CVn star sigma Geminorum

scientific article

Far-ultraviolet fluorenscence of carbon monoxide in the red giant Arcturus

scientific article published in January 1981

Far-ultraviolet fluorescence of carbon monoxide in the red giant Arcturus. II. Analysis of high-dispersion IUE spectra

scientific article

First observations of an R Coronae Borealis star with the space telescope imaging spectrograph: RY Sagittarii near maximum light

scientific article published in January 1999

Goddard high-resolution spectrograph observations of the local interstellar medium and the deuterium/hydrogen ratio along the line of sight toward Capella

scientific article published in January 1993

HST/GHRS and EUVE spectra of the active clump giant beta Ceti (K0 III)

scholarly article

High dispersion IUE spectra of active chromosphere G and K dwarfs

scientific article published in January 1982

High dispersion far ultraviolet spectra of cool stars

scholarly article

High resolution EUV spectroscopy of 56 Pegasi (K0II p + wd)

scientific article published in January 1982

High-dispersion observations of alpha Bootis (K1 III) with the International Ultraviolet Explorer

High-excitation emission lines in the far-ultraviolet spectrum of the late A star alpha Cephei

scientific article published in January 1998

High-resolution, far-ultraviolet study of beta Draconis (G2 Ib-II): transition region structure and energy balance

scientific article

IUE observations of cool stars: α Aurigae, HR1099, λ Andromedae and ε Eridani

scientific article published in Nature

IUE observations of the RS CVn binary - TZ Tri

scientific article published in January 1984

In the Trenches of the Solar-Stellar Connection. VII. Wilson-Bappu 2022

scientific article published in May 2023

In the Trenches of the Solar-stellar Connection. IV. Solar Full-disk Scans of C ii, Si iv, and Mg ii by the Interface Region Imaging Spectrograph

scientific article published in July 2021

In the Trenches of the Solar-stellar Connection. V. High-resolution Ultraviolet and X-Ray Observations of Sun-like Stars: The Curious Case of Procyon

scientific article published in December 2021

In the Trenches of the Solar–Stellar Connection. I. Ultraviolet and X-Ray Flux–Flux Correlations across the Activity Cycles of the Sun and Alpha Centauri AB

scientific article published in September 2020

In the Trenches of the Solar–Stellar Connection. II. Extreme Ultraviolet Flux–Flux Correlations across Solar Cycle 24

scientific article published in February 2021

In the Trenches of the Solar–Stellar Connection. III. The HST/COS Ecliptic-poles Stellar Survey (EclipSS)

scientific article published in March 2021

In the Trenches of the Solar–Stellar Connection. VI. Total EclipSS

scientific article published in December 2022

Is the Sun lighter than the earth? isotopic CO in the photosphere, viewed through the lens of three-dimensional spectrum synthesis

scientific article published in January 2013

Limits on Chromospheres and Convection among the Main‐Sequence A Stars

scientific article published in the Astrophysical Journal

Local interstellar medium properties and deuterium abundances for the lines of sight toward HR 1099, 31 Comae, {beta} Ceti, and {beta} Cassiopeiae

scholarly article

Long-slit observations of extended C II {lambda}1335 emission around V854 Centauri and RY Sagittarii

Measuring the fine structure constant on a white dwarf surface; a detailed analysis of Fe V absorption in G191-B2B

scientific article published on 23 October 2020

Mg emission from hybrid-chromosphere stars: 1.5 decades of chromospheric variability monitoring

scientific article published in January 1996

Multiwavelength Observations of Short-Timescale Variability in NGC 4151. I. Ultraviolet Observations

scientific article published in the Astrophysical Journal

Multiwavelength Observations of Short-Timescale Variability in NGC 4151. IV. Analysis of Multiwavelength Continuum Variability

scientific article published in the Astrophysical Journal

Near-ultraviolet absorption, chromospheric activity, and star-planet interactions in the WASP-12 system

scientific article published in the Astrophysical Journal

New Fe I level energies and line identifications from stellar spectra. II. Initial results from new ultraviolet spectra of metal-poor stars

scientific article published in January 2017

New insights into the solar-stellar connection

scientific article published in January 1984

Non-LTE CO, revisited

scientific article

Observations of solar carbon monoxide with an imaging infrared spectrograph. I. Thermal bifurcation revisited

scientific article published in January 1996

On the temperature structure of {alpha} TrA's wind

scientific article published in January 2000

Origins, structure, and evolution of magnetic activity in the cool half of the h-r diagram: progress report on a major HST STIS stellar survey

Outer atmospheres of cool stars. III. IUE spectra and transition region models for alpha Centauri A and B

scientific article published in January 1980

Outer atmospheres of cool stars. IX. A survey of ultraviolet emission from F-K dwarfs and giants with the IUE

scientific article published in January 1981

Outer atmospheres of cool stars. V. IUE observations of Capella: the rotation - activity connection

scientific article published in January 1980

Outer atmospheres of cool stars. X. HR 1099 at quadrature

scientific article

Outer atmospheres of cool stars. XI. High-dispersion IUE spectra of five late-type dwarfs and giants

Outer atmospheres of cool stars. XIII. Capella at critical phases

Outer atmospheres of cool stars. XV. High-dispersion ultraviolet studies of active chromospheric G-K dwarfs

scientific article published in January 1983

Outer atmospheric properties of beta Draconis (G2 Ib-II)

scientific article published in January 1982

Positional uncertainties and detection limits of ROSAT X-ray sources

Precise measurements of radial velocities of emission lines in the far-ultraviolet spectra of late-type stars

scientific article

Probing the Gravitational Dependence of the Fine-Structure Constant from Observations of White Dwarf Stars

scholarly article

Radio, X-ray, and extreme-ultraviolet coronal variability of the short-period RS Canum Venaticorum binary {sigma}^2^ coronae Borealis

scientific article published in January 2000

Redshifts of high-temperature emission lines in the far-ultraviolet spectra of late-type stars

scholarly article

Redshifts of high-temperature emission lines in the far-ultraviolet spectra of late-type stars. II. New, precise measurements of dwarfs and giants

scientific article published in January 1988

SSALMON – The Solar Simulations for the Atacama Large Millimeter Observatory Network

scientific article published in December 2015

Scientific problems addressed by the Spektr-UV space project (world space Observatory—Ultraviolet)

scientific article

Semiempirical upper photosphere models: the Sun (G2V) and Procyon (F5IV-V)

scientific article published in January 1975

Serendipitous X-ray sources in the Chandra HRC field around Alpha Centauri

scientific article published in January 2018

Serendipitous discovery of a dwarf nova in the Kepler field near the G dwarf KIC 5438845

scientific article published in Astronomical Journal

Sigma Geminorum (K1III+?): variability of the ultraviolet emission lines near conjunction

Signal-to-noise ratios in IUE SWP-LO spectra of chromospheric emission-line sources

scientific article published in January 1990

Signal-to-noise ratios in IUE low-dispersion spectra. II. Photometrically corrected images

Sleuthing the dynamo. II. Hubble space telescope Goddard high resolution spectrograph observations of solar-type dwarfs in young galactic clusters

Solar Science with the Atacama Large Millimeter/Submillimeter Array—A New View of Our Sun

scientific article published on 22 December 2015

Solar carbon monoxide, thermal profiling, and the abundances of C, O, and their isotopes

Solar forbidden oxygen, revisited

scientific article published in January 2008

Space Telescope Imaging Spectrograph Survey of Far‐Ultraviolet Coronal Forbidden Lines in Late‐Type Stars

scientific article published in the Astrophysical Journal

StarCAT: a catalog of space telescope imaging spectrograph ultraviolet echelle spectra of stars

scientific article published in January 2010

Starspot variability and evolution from modeling Kepler photometry of active late-type stars

scientific article published in August 2010

Stellar model chromospheres. III. Arcturus (K2 III)

scientific article published in January 1975

Stellar model chromospheres. IV. The formation of the He feature in the Sun (G2 V) and Arcturus (K2 III)

scientific article published in January 1975

Stellar model chromospheres. V. Alpha Centauri A (G2V) and alpha Centauri B (K1V)

Stellar model chromospheres. VI. Empirical estimates of the chromospheric radiative losses of late-type stars

Steps toward Determination of the Size and Structure of the Broad‐Line Region in Active Galactic Nuclei. XI. Intensive Monitoring of the Ultraviolet Spectrum of NGC 7469

scholarly article

TZ Fornacis - An eclipsing Capella-like system observed with the IUE

scientific article

The Advanced Spectral Library (ASTRAL): reference spectra for evolved M stars

scientific article

The Coronae of Moderate‐Mass Giants in the Hertzsprung Gap and the Clump

scientific article (publication date: 20 March 1998)

The Mg II h and k lines in a sample of dMe and dM stars

scientific article published in January 1980

The Origin of Weakened Magnetic Braking in Old Solar Analogs

scientific article published on 30 June 2022

The RIASS coronathon: joint X-ray and ultraviolet observations of normal F-K stars

scientific article published in January 1995

The Remarkable Far‐Ultraviolet Spectrum of FK Comae Berenices: King of Spin

scientific article published in the Astrophysical Journal

The Rise and Fall of μ Velorum: A Remarkable Flare on a Yellow Giant Star Observed with the Extreme Ultraviolet Explorer

scientific article (publication date: 20 November 1999)

The chromospheres and coronae of five G-K main-sequence stars

scientific article

The cool Half of the H-R diagram in soft X-rays

scientific article published in January 1981

The coronae of {gamma} Draconis

scientific article published in January 2006

The curious case of the alpha Persei Corona: a dwarf in supergiant's clothing?

The cycles of {alpha} Centauri

scientific article published in January 2009

The deep lamp project: an investigation of the precision and accuracy of the echelle wavelength scales of space telescope imaging spectrograph

The distant future of solar activity: a case study of beta Hydri. III. Transition region, corona and stellar wind

scientific article

The fainting of {alpha} Centauri A, resolved

scientific article published in January 2008

The far-ultraviolet ups and downs of alpha Centauri

scholarly article

The flare-ona of 31 Comae

scientific article published in January 1994

The flare-ona of EK Draconis

The hydrogen Lyman-alpha emission of Capella

scientific article published in January 1993

The hydrogen hole at the North Galactic Pole

scientific article published in January 1995

The many faces of Capella: a search for rotational modulations and a study of systematic velocities of emission lines in the ultraviolet

scientific article published in January 1984

The many faces of F stars : a rotational modulation study of Capella, Procyon and Caph with the International Ultraviolet Explorer

scientific article

The many faces of HR 1099

scientific article published in January 1984

The narrow ultraviolet emission lines of the red dwarf AU Microscopii (dM1.6e)

The outer atmosphere of canopus: detection of a fast stellar wind from an f supergiant

scholarly article

The photospheric solar oxygen project. I. Abundance analysis of atomic lines and influence of atmospheric models

scientific article published in January 2008

The quiescent and flaring atmosphere of the dMe flare star EV Lacertae

scientific article published in January 2002

The solar photospheric abundance of carbon. Analysis of atomic carbon lines with the CO5BOLD solar model

scholarly article

The solar stellar connection in the far ultraviolet

scientific article

The structure of the local interstellar medium. VI. New Mg II, Fe II, and Mn II observations toward stars within 100 pc

scientific article published in the Astrophysical Journal

The surface gravity and mass of Arcturus

scholarly article

The transition regions of Capella

scientific article published in January 1995

The ups and downs of {alpha} Centauri

scientific article published in Astronomical Journal

Three short-period binaries seen at high-dispersion : UX Ari, iota Tri and HR 5110

scholarly article

UV and optical observations of AT Microscopii

Ultraviolet emission lines and optical photometry of the flare star AT Microscopii

scientific article published in January 1988

Ultraviolet emission lines of Si II in cool star and solar spectra

scholarly article

Ultraviolet, optical, infrared, and microwave observations of HR 5110

scientific article published in January 1986

Upper limits on extreme ultraviolet radiation from nearby main sequence and subgiant stars

scholarly article

Warm coronal rain on young solar analog EK Draconis?

article

X-ray and ultraviolet spectroscopy of intermediate-mass, first crossing giants

scientific article published in January 2007

X-rays from hybrid stars

{alpha} TrA junior

scientific article published in the Astrophysical Journal