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Barry Smalley's Outputs (153)

Spectrum analysis of bright Kepler late B- to early F-stars★ (2013)
Journal Article
Tkachenko, A., Lehmann, H., Smalley, B., & Uytterhoeven, K. (2013). Spectrum analysis of bright Kepler late B- to early F-stars★. Monthly Notices of the Royal Astronomical Society, 431(4), 3685-3696. https://doi.org/10.1093/mnras/stt453

The Kepler satellite mission was designed to search for transiting exoplanets and delivers single band-pass light curves of a huge number of stars observed in the Cygnus–Lyra region. At the same time, it opens a new window for asteroseismology. In or... Read More about Spectrum analysis of bright Kepler late B- to early F-stars★.

WASP-64 b and WASP-72 b: two new transiting highly irradiated giant planets (2013)
Journal Article
Gillon, M., Anderson, D. R., Collier-Cameron, A., Doyle, A. P., Fumel, A., Hellier, C., …West, R. G. (2013). WASP-64 b and WASP-72 b: two new transiting highly irradiated giant planets. Astronomy & Astrophysics, 552, Article A82. https://doi.org/10.1051/0004-6361/201220561

We report the discovery by the WASP transit survey of two new highly irradiated giant planets. WASP-64 b is slightly more massive (1.271 ± 0.068 MJup) and larger (1.271 ± 0.039 RJup) than Jupiter, and is in very-short (a = 0.02648 ± 0.00024 AU, P = 1... Read More about WASP-64 b and WASP-72 b: two new transiting highly irradiated giant planets.

WASP-80b: a gas giant transiting a cool dwarf (2013)
Journal Article
Triaud, A. H. M. J., Anderson, D. R., Collier Cameron, A., Doyle, A. P., Fumel, A., Gillon, M., …Wheatley, P. J. (2013). WASP-80b: a gas giant transiting a cool dwarf. Astronomy & Astrophysics, 551, Article A80. https://doi.org/10.1051/0004-6361/201220900

We report the discovery of a planet transiting the star WASP-80 (1SWASP J201240.26-020838.2; 2MASS J20124017-0208391; TYC 5165-481-1; BPM 80815; V = 11.9, K = 8.4). Our analysis shows this is a 0.55 ± 0.04 Mjup, 0.95 ± 0.03 Rjup gas giant on a circul... Read More about WASP-80b: a gas giant transiting a cool dwarf.

WASP-54b, WASP-56b, and WASP-57b: Three new sub-Jupiter mass planets from SuperWASP (2013)
Journal Article
Faedi, F., Pollacco, D., Barros, S. C. C., Brown, D., Collier Cameron, A., Doyle, A. P., …Watson, C. (2013). WASP-54b, WASP-56b, and WASP-57b: Three new sub-Jupiter mass planets from SuperWASP. Astronomy & Astrophysics, 551, Article A73. https://doi.org/10.1051/0004-6361/201220520

We present three newly discovered sub-Jupiter mass planets from the SuperWASP survey: WASP-54b is a heavily bloated planet of mass 0.636+0.025-0.024MJ and radius 1.653+0.090-0.083RJ. It orbits a F9 star, evolving off the main sequence, every 3.69 day... Read More about WASP-54b, WASP-56b, and WASP-57b: Three new sub-Jupiter mass planets from SuperWASP.

Thermal emission at 3.6–8 μm from WASP-19b: a hot Jupiter without a stratosphere orbiting an active star (2013)
Journal Article
Anderson, D. R., Smith, A. M. S., Madhusudhan, N., Wheatley, P. J., Collier Cameron, A., Hellier, C., …West, R. G. (2013). Thermal emission at 3.6–8 μm from WASP-19b: a hot Jupiter without a stratosphere orbiting an active star. Monthly Notices of the Royal Astronomical Society, 430(4), 3422-3431. https://doi.org/10.1093/mnras/stt140

We report detection of thermal emission from the exoplanet WASP-19b at 3.6, 4.5, 5.8 and 8.0 μm. We used the InfraRed Array Camera on the Spitzer Space Telescope to observe two occultations of WASP-19b by its host star. We combine our new detections... Read More about Thermal emission at 3.6–8 μm from WASP-19b: a hot Jupiter without a stratosphere orbiting an active star.

WASP-52b, WASP-58b, WASP-59b, and WASP-60b: Four new transiting close-in giant planets (2013)
Journal Article
Hébrard, G., Collier Cameron, A., Brown, D. J. A., Díaz, R. F., Faedi, F., Smalley, B., …Wheatley, P. J. (2013). WASP-52b, WASP-58b, WASP-59b, and WASP-60b: Four new transiting close-in giant planets. Astronomy & Astrophysics, 549, Article A134. https://doi.org/10.1051/0004-6361/201220363

We present the discovery of four new transiting hot Jupiters, detected mainly from SuperWASP-North and SOPHIE observations. These new planets, WASP-52b, WASP-58b, WASP-59b, and WASP-60b, have orbital periods ranging from 1.7 to 7.9 days, masses betwe... Read More about WASP-52b, WASP-58b, WASP-59b, and WASP-60b: Four new transiting close-in giant planets.

The EBLM project: I. Physical and orbital parameters, including spin-orbit angles, of two low-mass eclipsing binaries on opposite sides of the brown dwarf limit (2012)
Journal Article
Triaud, A. H. M. J., Hebb, L., Anderson, D. R., Cargile, P., Collier Cameron, A., Doyle, A. P., …West, R. G. (2013). The EBLM project: I. Physical and orbital parameters, including spin-orbit angles, of two low-mass eclipsing binaries on opposite sides of the brown dwarf limit. Astronomy & Astrophysics, 549, A18. https://doi.org/10.1051/0004-6361/201219643

This paper introduces a series of papers aiming to study the dozens of low-mass eclipsing binaries (EBLM), with F, G, K primaries, that have been discovered in the course of the WASP survey. Our objects are mostly single-line binaries whose eclipses... Read More about The EBLM project: I. Physical and orbital parameters, including spin-orbit angles, of two low-mass eclipsing binaries on opposite sides of the brown dwarf limit.

Accurate spectroscopic parameters of WASP planet host stars★ (2012)
Journal Article
Doyle, A. P., Smalley, B., Maxted, P. F. L., Anderson, D. R., Cameron, A. C., Gillon, M., …West, R. G. (2013). Accurate spectroscopic parameters of WASP planet host stars★. Monthly Notices of the Royal Astronomical Society, 428(4), 3164-3172. https://doi.org/10.1093/mnras/sts267

We have made a detailed spectral analysis of 11 Wide Angle Search for Planets (WASP) planet host stars using high signal-to-noise ratio (S/N) HARPS spectra. Our line list was carefully selected from the spectra of the Sun and Procyon, and we made a c... Read More about Accurate spectroscopic parameters of WASP planet host stars★.

Spitzer 3.6 and 4.5 mu m full-orbit light curves of WASP-18 (2012)
Journal Article
Maxted, P., Anderson, D. R., Doyle, A. P., Gillon, M., Harrington, J., Iro, N., …Southworth, J. (2013). Spitzer 3.6 and 4.5 mu m full-orbit light curves of WASP-18. Monthly Notices of the Royal Astronomical Society, 428(3), 2645-2660. https://doi.org/10.1093/mnras/sts231

We present new lightcurves of the massive hot Jupiter system WASP-18 obtained with the Spitzer spacecraft covering the entire orbit at 3.6 micron and 4.5 micron. These lightcurves are used to measure the amplitude, shape and phase of the thermal phas... Read More about Spitzer 3.6 and 4.5 mu m full-orbit light curves of WASP-18.

WASP-78b and WASP-79b: Two highly-bloated hot Jupiter-mass exoplanets orbiting F-type stars in Eridanus (2012)
Journal Article
Smalley, B., R. Anderson, D., Collier-Cameron, A., P. Doyle, A., Fumel, A., Gillon, M., …G. West, R. (2012). WASP-78b and WASP-79b: Two highly-bloated hot Jupiter-mass exoplanets orbiting F-type stars in Eridanus. Astronomy and Astrophysics, 547, Article A61. https://doi.org/10.1051/0004-6361/201219731

We report the discovery of WASP-78b and WASP-79b, two highly-bloated Jupiter-mass exoplanets orbiting F-type host stars. WASP-78b orbits its V=12.0 host star (TYC 5889-271-1) every 2.175 days and WASP-79b orbits its V=10.1 host star (CD-30 1812) ever... Read More about WASP-78b and WASP-79b: Two highly-bloated hot Jupiter-mass exoplanets orbiting F-type stars in Eridanus.

Spectrum Analysis of Bright Kepler Gamma Doradus Candidate Stars (2012)
Journal Article
Tkachenko, A., Lehmann, H., Smalley, B., Debosscher, J., & Aerts, C. (2012). Spectrum Analysis of Bright Kepler Gamma Doradus Candidate Stars. Monthly Notices of the Royal Astronomical Society, 422(4), 2960–2968. https://doi.org/10.1111/j.1365-2966.2012.20687.x

Ground-based spectroscopic follow-up observations of the pulsating stars observed by the Kepler satellite mission are needed for their asteroseismic modelling. We aim to derive the fundamental parameters for a sample of 26 Gamma Doradus candidate sta... Read More about Spectrum Analysis of Bright Kepler Gamma Doradus Candidate Stars.

SuperWASP observations of pulsating Am stars (2011)
Journal Article
Smalley, B., Kurtz, D., Smith, A. S., Fossati, L., Anderson, D., Barros, S. C., …Wood, P. L. (2011). SuperWASP observations of pulsating Am stars. Astronomy & Astrophysics, 535, Article A3. https://doi.org/10.1051/0004-6361/201117230

We have studied over 1600 Am stars at a photometric precision of 1 mmag with SuperWASP photometric data. Contrary to previous belief, we find that around 200 Am stars are pulsating delta Sct and gamma Dor stars, with low amplitudes that have been mis... Read More about SuperWASP observations of pulsating Am stars.

WASP-34b: a near-grazing transiting sub-Jupiter-mass exoplanet in a hierarchical triple system (2011)
Journal Article
Smalley, B., R. Anderson, D., Collier Cameron, A., Hellier, C., Lendl, M., F. L. Maxted, P., …Bento, J. (2011). WASP-34b: a near-grazing transiting sub-Jupiter-mass exoplanet in a hierarchical triple system. Astronomy & Astrophysics, https://doi.org/10.1051/0004-6361/201015992

We report the discovery of WASP-34b, a sub-Jupiter-mass exoplanet transiting its 10.4-magnitude solar-type host star (1SWASP J110135.89-235138.4; TYC 6636-540-1) every 4.3177 days in a slightly eccentric orbit (e = 0.038 +/- 0.012). We find a planeta... Read More about WASP-34b: a near-grazing transiting sub-Jupiter-mass exoplanet in a hierarchical triple system.

WASP-26b: A 1-Jupiter-mass planet around an early-G-type star (2010)
Journal Article
Smalley, B., R. Anderson, D., Collier Cameron, A., Gillon, M., Hellier, C., A. Lister, T., …Bento, J. (2010). WASP-26b: A 1-Jupiter-mass planet around an early-G-type star. Astronomy & Astrophysics, 520, Article A56. https://doi.org/10.1051/0004-6361/201014705

We report the discovery of WASP-26b, a moderately over-sized Jupiter-mass exoplanet transiting its 11.3-magnitude early-G-type host star (1SWASP J001824.70-151602.3; TYC 5839-876-1) every 2.7566 days. A simultaneous fit to transit photometry and radi... Read More about WASP-26b: A 1-Jupiter-mass planet around an early-G-type star.

ASTRA Spectrophotometer: Reduction and Flux Calibrations (2007)
Conference Proceeding
Smalley, B., F. Gulliver, A., & J. Adelman, S. (2007). ASTRA Spectrophotometer: Reduction and Flux Calibrations.

The ASTRA Cassegrain Spectrophotometer and its automated 0.5-m telescope at Fairborn Observatory in Arizona will produce a large quantity of high precision stellar flux distributions. A separate paper (Adelman et al. 2007) presented a review of the d... Read More about ASTRA Spectrophotometer: Reduction and Flux Calibrations.

Stellar Fluxes as Probes of Convection in Stellar Atmospheres (2006)
Journal Article
Smalley, B. Stellar Fluxes as Probes of Convection in Stellar Atmospheres. https://doi.org/10.1017/S1743921307000300. Manuscript submitted for publication

Convection and turbulence in stellar atmospheres have a significant effect on the emergent flux from late-type stars. The theoretical advancements in convection modelling over recent years have proved challenging for the observers to obtain measureme... Read More about Stellar Fluxes as Probes of Convection in Stellar Atmospheres.

Synthesis of the Beryllium 3131A Spectral Region (2005)
Journal Article
Ashwell, J., F. Ashwell, J., Jeffries, R., D. Jeffries, R., & Smalley, B. Synthesis of the Beryllium 3131A Spectral Region. Manuscript submitted for publication

The Beryllium spectral region of the Sun, Procyon and 4 stars in the open cluster NGC6633 up to Teff = 7500K have been synthesised using ATLAS9 model atmospheres and the MOOG spectral synthesis program. The line list used for these syntheses has bee... Read More about Synthesis of the Beryllium 3131A Spectral Region.

Different convection models in ATLAS (2005)
Journal Article
Smalley, B. Different convection models in ATLAS. Manuscript submitted for publication

Convection is an important phenomenon in the atmospheres of A-type and cooler stars. A description of convection in ATLAS models is presented, together with details of how it is specified in model calculations. The effects of changing the treatment o... Read More about Different convection models in ATLAS.

Teff and log g Determinations (2005)
Journal Article
Smalley, B. Teff and log g Determinations. Manuscript submitted for publication

A discussion on the determination of effective temperature (Teff) and surface gravity (log g) is presented. The observational requirements for model-independent fundamental parameters are summarized, including an assessment of the accuracy of these v... Read More about Teff and log g Determinations.