Search filters

List of works by Richard O. Gray

29 frequencies for the δ Scuti variable BI CMi: the 1997–2000 multisite campaigns

scientific article

A Spectroscopic Search for λ Bootis and Other Peculiar A-Type Stars in Intermediate-Age Open Clusters

scientific article published in Astronomical Journal

A primary care-based needs assessment of people with multiple sclerosis.

scientific article

A search for Lambda Bootis stars in OB associations

scientific article published in January 1993

A search for candidate Li-rich giant stars in SDSS DR10

scientific article published in January 2018

A spectroscopic program to monitor and discover A-type classical shell stars

scientific article published in January 2004

A spectroscopic survey for λ Bootis stars

scientific article published in Astronomy and Astrophysics

A whirling dervish

scientific article published in Nature

Absolute physical calibration in the infrared

scientific article published in Astronomical Journal

An Epidemiological Study of Multiple Sclerosis in the North-East Region of Northern Ireland

scientific article published in September 2006

An expert computer program for classifying stars on the MK spectral classification system

scientific article published in January 2014

BD +59{deg}224: a new {zeta} Aurigae system

scientific article

Basic physical parameters of nearby G and K giants and subgiants

scholarly article

Bright variable star in Cassiopeia

Contributions to the NStars program: spectroscopy and physical parameters of the solar-type stars within 40 parsecs of the sun

scientific article

Contributions to the Nearby Stars (NStars) Project: Spectroscopy of Stars Earlier than M0 within 40 Parsecs: The Northern Sample. I

scientific article published in Astronomical Journal published in October 2003

Contributions to the Nearby Stars (NStars) Project: Spectroscopy of Stars Earlier than M0 within 40 pc--The Southern Sample

scientific article (publication date: 2 June 2006)

FO Virginis: a pre-contact binary

scientific article

First direct evidence that barium dwarfs have white dwarf companions

scientific article published in January 2011

Fundamental parameters and evolutionary state of the Herbig Ae star candidate HD 35929

scientific article published in Astronomy and Astrophysics

Galactic s stars: investigations of color, motion, and spectral features

scientific article published in January 2011

HD 26367: a nearby, newly identified barium dwarf

scientific article published in January 2007

HD 62454 and HD 68192: Two New γ Doradus Variables

scientific article (publication date: December 1999)

HD 87271: a pulsating classical lambda Bootis star

scientific article published in January 2000

HR 8799: A Link between γ Doradus Variables and λ Bootis Stars

scientific article published in Astronomical Journal published in December 1999

HR 9053 : a lightly reddened G supergiant

Horizontal branch stars in M 3 and M 13

scientific article published in January 1994

Hubble Deep Field guide star photometry

1999 scholarly article in Astronomy and Astrophysics

Is Vega a rapid rotator seen pole on ?

LAMOST observations in the Kepler field. I. Database of low-resolution spectra

scientific article published in January 2015

LAMOST observations in the Kepler field: spectral classification with the MKCLASS code

scholarly article

Multi-filter light curves of 29 very short period candidate contact binaries

Observations of recently recognized candidate Herbig Ae/Be stars

scientific article

On the spectroscopic nature of HD 221866

scholarly article

On the spectrum of theta Tucanae

Properties of the circumstellar dust in galactic FS CMa objects

Robotic spectroscopy at the Dark Sky Observatory

scientific article published in January 2018

Spectroscopy and photometry of the emission–line B–type stars AS 78 and MWC 657

scientific article published in Astronomy and Astrophysics

Spectroscopy and stroemgren photometry in the young open cluster NGC 2169

scholarly article

Spectroscopy at a Small College Observatory

scientific article

Spectroscopy of hot stars in the galactic halo. II. The identification and classification of horizontal-branch and other A-type stars

scholarly article

Spectroscopy of the variable K-dwarf UNSW-V-760: is it a pre-main-sequence pulsator?

scholarly article

Stromgrenn six-colour photometry of SN 1987A. I. Days 1 to 330

scholarly article

The Physical Basis of Luminosity Classification in the Late A-, F-, and Early G-Type Stars. II. Basic Parameters of Program Stars and the Role of Microturbulence

scientific article published in Astronomical Journal

The absolute flux calibration of Stromgren uvby photometry

scientific article

The calibration of MK spectral classes using spectral synthesis. I. The effective temperature calibration of dwarf stars

scientific article published in January 1994

The calibration of Stromgren photometry for A, F and early G supergiants. II. The F and early G supergiants

scientific article

The calibration of Stromgren photometry for A, F and early G supergiants. III. The A and early F supergiants

scholarly article

The calibration of the Stromgren photometric system for A, F and early G supergiants. I. The observational data

scientific article published in January 1991

The composite-spectrum binary hypothesis does not explain the {lambda} Bootis stars

scientific article published in January 2012

The early A type stars: refined MK classification, confrontation with Stromgren photometry, and the effects of rotation

article by R. O. Gray & R. F. Garrison published December 1987 in The Astrophysical Journal Supplement Series

The early F-type stars: refined classification, confrontation with Stroemgren photometry, and the effects of rotation

scholarly article

The extension of the MK spectral classification system to the intermediate population II F type stars

scientific article published in January 1989

The fundamental parameters of field horizontal-branch stars

scholarly article

The incidence of {lambda} Bootis stars via an extension of the MK spectral classification system to very young A-type stars

scholarly article

The late A-type stars: refined MK classification, confrontation with Stroemgren photometry and the effects of rotation

scientific article (publication date: July 1989)

The late B-type stars: Refined MK classification, confrontation with stromgren photometry, and the effects of rotation

scientific article published in Astronomical Journal

The luminous B[e] binary AS 381

scientific article published in Astronomy and Astrophysics

The nearby stars (NStars) program at Appalachian State University, Vatican Observatory, and David Dunlap Observatory

scientific article published in January 2002

The nearby stars (NStars) program at appalachian state university, vatican observatory, and david dunlap observatory

The physical basis of luminosity classification in the late a, f and early g-type stars

scientific article published in January 2000

The pre-main-sequence star IP Persei

scientific article published in Astronomy and Astrophysics

The spectral classification of the lambda Bootis stars

scholarly article

The spectroscopic and photometric effects of rotation in the A-type stars

scientific article published in January 1988

The young solar analogs project. I. Spectroscopic and photometric methods and multi-year timescale spectroscopic results

scholarly article

Theoretical uvby-beta indices

Three new southern emission-line late-type dwarfs

scientific article published in January 2001

Toward Understanding the B[e] Phenomenon. II. New Galactic FS CMa Stars

scientific article published in the Astrophysical Journal

Toward understanding the B[e] phenomenon. III. Properties of the optical counterpart of IRAS 00470+6429

scientific article published in the Astrophysical Journal

UBVRIJH photometry of two new luminous {delta} Scuti stars and the discovery of {delta} Scuti pulsation in the most evolved Ap star known

scholarly article

Undergraduate stellar spectroscopy

scientific article

Utilizing synthetic UV spectra to explore the physical basis for the classification of lambda Bootis stars

Validating the C I 5052.17 {AA}/Mg II 4481 {AA} equivalent width ratio as a diagnostic for F-type Lambda Boo stars

scientific article published in January 2019