KEPLER ECLIPSING BINARY STARS. VII. THE CATALOG OF ECLIPSING BINARIES FOUND IN THE ENTIRE KEPLER DATA SET (2016)
Journal Article
Kirk, B., Conroy, K., Prsa, A., Abdul-Masih, M., Kochoska, A., Matijevic, G., Hambleton, K., Barclay, T., Bloemen, S., Boyajian, T., Doyle, L. R., Fulton, B. J., Hoekstra, A. J., Jek, K., Kane, S. R., Kostov, V., Latham, D., Mazeh, T., Orosz, J. A., Pepper, J., …Borucki, W. (2016). KEPLER ECLIPSING BINARY STARS. VII. THE CATALOG OF ECLIPSING BINARIES FOUND IN THE ENTIRE KEPLER DATA SET. Astronomical Journal, 151(3), Article ARTN 68. https://doi.org/10.3847/0004-6256/151/3/68

The primary Kepler Mission provided nearly continuous monitoring of ∼200,000 objects with unprecedented photometric precision. We present the final catalog of eclipsing binary systems within the 105 deg2 Kepler field of view. This release incorporate... Read More about KEPLER ECLIPSING BINARY STARS. VII. THE CATALOG OF ECLIPSING BINARIES FOUND IN THE ENTIRE KEPLER DATA SET.

Kepler Eclipsing Binary Stars. Vii. The Catalog Of Eclipsing Binaries Found In The Entire Kepler Data Set (2016)
Journal Article
Kirk, B., Conroy, K., Prša, A., Abdul-Masih, M., Kochoska, A., Matijevič, G., Hambleton, K., Barclay, T., Bloemen, S., Boyajian, T., Doyle, L. R., Fulton, B., Johannes Hoekstra, A., Jek, K., Kane, S. R., Kostov, V., Latham, D., Mazeh, T., Orosz, J. A., Pepper, J., …Borucki, W. (2016). Kepler Eclipsing Binary Stars. Vii. The Catalog Of Eclipsing Binaries Found In The Entire Kepler Data Set. Astronomical Journal, 151(3), Article 68. https://doi.org/10.3847/0004-6256/151/3/68

The Kepler mission has provided unprecedented, nearly continuous photometric data of ~200,000 objects in the ~105 deg2 field of view (FOV) from the beginning of science operations in May of 2009 until the loss of the second reaction wheel in May of 2... Read More about Kepler Eclipsing Binary Stars. Vii. The Catalog Of Eclipsing Binaries Found In The Entire Kepler Data Set.

Erratum: A detailed census of variable stars in the globular cluster NGC 6333 (M9) from CCD differential photometry (2016)
Journal Article
Arellano Ferro, A., Bramich, D., Figuera Jaimes, R., Giridhar, S., Kains, N., Kuppuswamy, K., Jørgensen, U., Alsubai, K., Andersen, J., Bozza, V., Browne, P., Calchi Novati, S., Damerdji, Y., Diehl, C., Dominik, M., Dreizler, S., Elyiv, A., Giannini, E., Harpsøe, K., Hessman, F., …consortium, T. M. (2016). Erratum: A detailed census of variable stars in the globular cluster NGC 6333 (M9) from CCD differential photometry. Monthly Notices of the Royal Astronomical Society, 458(2), 1188 - 1189. https://doi.org/10.1093/mnras/stw311

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New Transit Observations for HAT-P-30 b, HAT-P-37 b, TrES-5 b, WASP-28 b, WASP-36 b and WASP-39 b (2016)
Journal Article
Maciejewski, G., Dimitrov, D., Mancini, L., Southworth, J., Ciceri, S., D'Ago, G., Bruni, I., St. Raetz, Nowak, G., Ohlert, J., Puchalski, D., Saral, G., Derman, E., Petrucci, R., Jofre, E., Seeliger, M., & Henning, T. (2016). New Transit Observations for HAT-P-30 b, HAT-P-37 b, TrES-5 b, WASP-28 b, WASP-36 b and WASP-39 b. Acta Astronomica, 66(1), 55 - 74

We present new transit light curves for planets in six extrasolar planetary systems. They were acquired with 0.4-2.2 m telescopes located in west Asia, Europe, and South America. When combined with literature data, they allowed us to redetermine syst... Read More about New Transit Observations for HAT-P-30 b, HAT-P-37 b, TrES-5 b, WASP-28 b, WASP-36 b and WASP-39 b.

High-precision photometry by telescope defocussing - VIII. WASP-22, WASP-41, WASP-42 and WASP-55 (2016)
Journal Article
Southworth, J., Tregloan-Reed, J., Andersen, M., Calchi Novati, S., Ciceri, S., Colque, J., D'Ago, G., Dominik, M., Evans, D., Gu, S.-H., Herrera-Cordova, A., Hinse, T., Jørgensen, U., Juncher, D., Kuffmeier, M., Mancini, L., Peixinho, N., Popovas, A., Rabus, M., Skottfelt, J., …Wang, Y. (2016). High-precision photometry by telescope defocussing - VIII. WASP-22, WASP-41, WASP-42 and WASP-55. Monthly Notices of the Royal Astronomical Society, 457(4), 4205 - 4217. https://doi.org/10.1093/mnras/stw279

We present 13 high-precision and four additional light curves of four bright southern-hemisphere transiting planetary systems: WASP-22, WASP-41, WASP-42 and WASP-55. In the cases of WASP-42 and WASP-55, these are the first follow-up observations sinc... Read More about High-precision photometry by telescope defocussing - VIII. WASP-22, WASP-41, WASP-42 and WASP-55.

Three irradiated and bloated hot Jupiters: WASP-76b, WASP-82b, and WASP-90b (2016)
Journal Article
West, R., Almenara, J.-M., Anderson, D., Bouchy, F., Brown, D., Collier Cameron, A., Deleuil, M., Delrez, L., Doyle, A., Faedi, F., Fumel, A., Gillon, M., Hebrard, G., Hellier, C., Jehin, E., Lendl, M., Maxted, P., Pepe, F., Pollacco, D., Queloz, D., …Udry, S. (2016). Three irradiated and bloated hot Jupiters: WASP-76b, WASP-82b, and WASP-90b. Astronomy & Astrophysics, 585, Article A126. https://doi.org/10.1051/0004-6361/201527276

We report on three new transiting hot Jupiter planets, discovered from the WASP surveys, which we combine with radial velocities from OHP/SOPHIE and Euler/CORALIE and photometry from Euler and TRAPPIST. The planets WASP-76b, WASP-82b, and WASP-90b ar... Read More about Three irradiated and bloated hot Jupiters: WASP-76b, WASP-82b, and WASP-90b.

Physical properties of the planetary systemsWASP-45 and WASP-46 from simultaneous multiband photometry (2015)
Journal Article
Ciceri, S., Mancini, L., Southworth, J., Lendl, M., Tregloan-Reed, J., Brahm, R., Chen, G., D'Ago, G., Dominik, M., Figuera Jaimes, R., Galianni, P., Harpsøe, K., Hinse, T., Jørgensen, U., Juncher, D., Korhonen, H., Liebig, C., Rabus, M., Bonomo, A., Bott, K., …Wertz, O. (2016). Physical properties of the planetary systemsWASP-45 and WASP-46 from simultaneous multiband photometry. Monthly Notices of the Royal Astronomical Society, 456(1), 990 -1002. https://doi.org/10.1093/mnras/stv2698

Accurate measurements of the physical characteristics of a large number of exoplanets are useful to strongly constrain theoretical models of planet formation and evolution, which lead to the large variety of exoplanets and planetary-system configurat... Read More about Physical properties of the planetary systemsWASP-45 and WASP-46 from simultaneous multiband photometry.

Doppler imaging of the planetary debris disc at the white dwarf SDSS J122859.93+104032.9 (2015)
Journal Article
Manser, C. J., Gänsicke, B. T., Marsh, T. R., Veras, D., Koester, D., Breedt, E., Pala, A. F., Parsons, S. G., & Southworth, J. (2016). Doppler imaging of the planetary debris disc at the white dwarf SDSS J122859.93+104032.9. Monthly Notices of the Royal Astronomical Society, 455(4), 4467 -4478. https://doi.org/10.1093/mnras/stv2603

Debris discs which orbit white dwarfs are signatures of remnant planetary systems. We present 12 yr of optical spectroscopy of the metal-polluted white dwarf SDSS J1228+1040, which shows a steady variation in the morphology of the 8600?Å Ca?II triple... Read More about Doppler imaging of the planetary debris disc at the white dwarf SDSS J122859.93+104032.9.

Rotation periods and astrometric motions of the Luhman 16AB brown dwarfs by high-resolution lucky-imaging monitoring (2015)
Journal Article
Mancini, L., Giacobbe, P., Littlefair, S., Southworth, J., Bozza, V., Damasso, M., Dominik, M., Hundertmark, M., Jørgensen, U., Juncher, D., Popovas, A., Rabus, M., Rahvar, S., Schmidt, R., Skottfelt, J., Snodgrass, C., Sozzetti, A., Alsubai, K., Bramich, D., Calchi Novati, S., …Wertz, O. (2015). Rotation periods and astrometric motions of the Luhman 16AB brown dwarfs by high-resolution lucky-imaging monitoring. Astronomy & Astrophysics, 584, Article A104. https://doi.org/10.1051/0004-6361/201526899

Context. Photometric monitoring of the variability of brown dwarfs can provide useful information about the structure of clouds in their cold atmospheres.The brown-dwarf binary system Luhman?16AB is an interesting target for such a study, because its... Read More about Rotation periods and astrometric motions of the Luhman 16AB brown dwarfs by high-resolution lucky-imaging monitoring.

Red Noise Versus Planetary Interpretations In The Microlensing Event OGLE-2013-BLG-446 (2015)
Journal Article
Bachelet, E., Bramich, D., Han, C., Greenhill, J., Street, R., Gould, A., Ago, G., AlSubai, K., Dominik, M., Figuera Jaimes, R., Horne, K., Hundertmark, M., Kains, N., Snodgrass, C., Steele, I., Tsapras, Y., Albrow, M., Batista, V., Beaulieu, J.-P., Bennett, D., …Wertz, O. (2015). Red Noise Versus Planetary Interpretations In The Microlensing Event OGLE-2013-BLG-446. Astrophysical Journal, 812(2), Article 136. https://doi.org/10.1088/0004-637X/812/2/136

For all exoplanet candidates, the reliability of a claimed detection needs to be assessed through a careful study of systematic errors in the data to minimize the false positives rate. We present a method to investigate such systematics in microlensi... Read More about Red Noise Versus Planetary Interpretations In The Microlensing Event OGLE-2013-BLG-446.

Larger and faster: revised properties and a shorter orbital period for the WASP-57 planetary system from a pro-am collaboration (2015)
Journal Article
Southworth, J., Mancini, L., Tregloan-Reed, J., Calchi Novati, S., Ciceri, S., D'Ago, G., Delrez, L., Dominik, M., Evans, D., Gillon, M., Jehin, E., Jørgensen, U., Haugbølle, T., Lendl, M., Arena, C., Barbieri, L., Barbieri, M., Corfini, G., Lopresti, C., Marchini, A., …Wertz, O. (2015). Larger and faster: revised properties and a shorter orbital period for the WASP-57 planetary system from a pro-am collaboration. Monthly Notices of the Royal Astronomical Society, 454(3), 3094 -3107. https://doi.org/10.1093/mnras/stv2183

Transits in the WASP-57 planetary system have been found to occur half an hour earlier than expected. We present 10 transit light curves from amateur telescopes, on which this discovery was based, 13 transit light curves from professional facilities... Read More about Larger and faster: revised properties and a shorter orbital period for the WASP-57 planetary system from a pro-am collaboration.

KIC 7582608: a new Kepler roAp star with frequency variability (2015)
Presentation / Conference Contribution
Holdsworth, D., Smalley, B., Kurtz, D., Southworth, J., Cunha, M., & Clubb, K. (2014, July). KIC 7582608: a new Kepler roAp star with frequency variability. Poster presented at The Space Photometry Revolution – CoRoT Symposium 3, Kepler KASC-7 Joint Meeting, Toulouse, France

We analyse the fifth roAp star reported in the Kepler field, KIC 7582608, discovered with the SuperWASP project. The object shows a high frequency pulsation at 181.7324d-1 (P = 7.9 min) with an amplitude of 1.45 mmag, and low frequency rotational mod... Read More about KIC 7582608: a new Kepler roAp star with frequency variability.

Multiple star systems observed with CoRoT and Kepler (invited review) (2015)
Presentation / Conference Contribution
Southworth, J. (2014, July). Multiple star systems observed with CoRoT and Kepler (invited review). Presented at The Space Photometry Revolution – CoRoT Symposium 3, Kepler KASC-7 Joint Meeting, Toulouse, France

The CoRoT and Kepler satellites were the first space platforms designed to perform high-precision photometry for a large number of stars. Multiple systems display a wide variety of photometric variability, making them natural benefactors of these mis... Read More about Multiple star systems observed with CoRoT and Kepler (invited review).

HD183648: a Kepler eclipsing binary with anomalous ellipsoidal variations and a pulsating component (2015)
Presentation / Conference Contribution
Derekas, A., Borkovits, T., Fuller, J., Szabó, G., Pavlovski, K., Csák, B., Dózsa, Á., Kovács, J., Szabó, R., Hambleton, K., Kinemuchi, K., Kolbas, V., Kurtz, D., Maloney, F., Prša, A., Southworth, J., Sztakovics, J., Bíró, I., & Jankovics, I. (2014, July). HD183648: a Kepler eclipsing binary with anomalous ellipsoidal variations and a pulsating component. Presented at The Space Photometry Revolution – CoRoT Symposium 3, Kepler KASC-7 Joint Meeting, Toulouse, France

IC 8560861 (HD 183648) is a marginally eccentric (e = 0.05) eclipsing binary with an orbital period of Porb = 31.973 d, exhibiting mmag amplitude pulsations on time scales of a few days. We present the results of the complex analysis of high and medi... Read More about HD183648: a Kepler eclipsing binary with anomalous ellipsoidal variations and a pulsating component.

Lamost Observations In The Kepler Field. I. Database Of Low-resolution Spectra (2015)
Journal Article
De Cat, P., Fu, J., Ren, A., Yang, X., Shi, J., Luo, A., Yang, M., Wang, J., Zhang, H., Shi, H., Zhang, W., Dong, S., Catanzaro, G., Corbally, C., Frasca, A., Gray, R., Molenda- Żakowicz, J., Uytterhoeven, K., Briquet, M., Bruntt, H., …Zhou, X. (2015). Lamost Observations In The Kepler Field. I. Database Of Low-resolution Spectra. Astrophysical Journal Supplement, 220(1), Article 19. https://doi.org/10.1088/0067-0049/220/1/19

The nearly continuous light curves with micromagnitude precision provided by the space mission Kepler are revolutionizing our view of pulsating stars. They have revealed a vast sea of low-amplitude pulsation modes that were undetectable from Earth. T... Read More about Lamost Observations In The Kepler Field. I. Database Of Low-resolution Spectra.

The GAPS programme with HARPS-N at TNG IX. The multi-planet system KELT-6: Detection of the planet KELT-6 c and measurement of the Rossiter-McLaughlin effect for KELT-6 b (2015)
Journal Article
Damasso, M., Esposito, M., Nascimbeni, V., Desidera, S., Bonomo, A., Bieryla, A., Malavolta, L., Biazzo, K., Sozzetti, A., Covino, E., Latham, D., Gandolfi, D., Rainer, M., Petrovich, C., Collins, K., Boccato, C., Claudi, R., Cosentino, R., Gratton, R., Lanza, A., …Zanmar Sanchez, R. (2015). The GAPS programme with HARPS-N at TNG IX. The multi-planet system KELT-6: Detection of the planet KELT-6 c and measurement of the Rossiter-McLaughlin effect for KELT-6 b. Astronomy & Astrophysics, 581, Article L6. https://doi.org/10.1051/0004-6361/201526995

Aims. For more than 1.5 years we spectroscopically monitored the star KELT-6 (BD+31?2447), which is known to host the transiting hot-Saturn KELT-6?b, because a previously observed long-term trend in radial velocity time series suggested that there is... Read More about The GAPS programme with HARPS-N at TNG IX. The multi-planet system KELT-6: Detection of the planet KELT-6 c and measurement of the Rossiter-McLaughlin effect for KELT-6 b.

KIC 9533489: a genuine gamma Doradus - delta Scuti Kepler hybrid pulsator with transit events (2015)
Journal Article
Bognár, Z., Lampens, P., Frémat, Y., Taylor, J., Sódor, Á., De Cat, P., Isaacson, H., Marcy, G., Ciardi, D., Gilliland, R., & Martín-Fernández, P. (2015). KIC 9533489: a genuine gamma Doradus - delta Scuti Kepler hybrid pulsator with transit events. Astronomy & Astrophysics, 581, Article A77. https://doi.org/10.1051/0004-6361/201526154

Context. Several hundred candidate hybrid pulsators of type A–F have been identified from space-based observations. Their large number allows both statistical analyses and detailed investigations of individual stars. This offers the opportunity to st... Read More about KIC 9533489: a genuine gamma Doradus - delta Scuti Kepler hybrid pulsator with transit events.

A New sdo plus DM Binary With Extreme Eclipses And Reflection Effect (2015)
Journal Article
Derekas, A., Németh, P., Southworth, J., Borkovits, T., Sárneczky, K., Pál, A., Csák, B., Garcia-Alvarez, D., Maxted, P., Kiss, L., Vida, K., Szabó, G., & Kriskovics, L. (2015). A New sdo plus DM Binary With Extreme Eclipses And Reflection Effect. Astrophysical Journal, 808(2), Article 179. https://doi.org/10.1088/0004-637X/808/2/179

We report the discovery of a new totally eclipsing binary (R.A. = ${06}^{{\rm{h}}}{40}^{{\rm{m}}}{29}^{{\rm{s}}}11$; decl. = +38°56'52''2; J = 2000.0; Rmax = 17.2 mag) with an sdO primary and a strongly irradiated red dwarf companion. It has an orbit... Read More about A New sdo plus DM Binary With Extreme Eclipses And Reflection Effect.

Precise mass and radius measurements for the components of the bright solar-type eclipsing binary star V1094 Tau (2015)
Journal Article
Maxted, P., Hutcheon, R., Torres, G., Lacy, C., Southworth, J., Smalley, B., Pavlovski, K., Marschall, L., & Clausen, J. (2015). Precise mass and radius measurements for the components of the bright solar-type eclipsing binary star V1094 Tau. Astronomy & Astrophysics, 578, Article A25. https://doi.org/10.1051/0004-6361/201525873

V1094 Tau is bright eclipsing binary star with an orbital period close to 9 days containing two stars similar to the Sun. Our aim is to test models of Sun-like stars using precise and accurate mass and radius measurements for both stars in V1094 Tau.... Read More about Precise mass and radius measurements for the components of the bright solar-type eclipsing binary star V1094 Tau.

A comparison of gyrochronological and isochronal age estimates for transiting exoplanet host stars (2015)
Journal Article
Maxted, P., Serenelli, A., & Southworth, J. (2015). A comparison of gyrochronological and isochronal age estimates for transiting exoplanet host stars. Astronomy & Astrophysics, 577, Article A90. https://doi.org/10.1051/0004-6361/201525774

Previous studies suggest that tidal interactions may be responsible for discrepancies between the ages of exoplanet host stars estimated using stellar models (isochronal ages) and age estimates based on the stars' rotation periods (gyrochronological... Read More about A comparison of gyrochronological and isochronal age estimates for transiting exoplanet host stars.