EMCCD photometry reveals two new variable stars in the crowded central region of the globular cluster NGC 6981

Skottfelt, J.; Bramich, D. M.; Figuera Jaimes, R.; Jørgensen, U. G.; Kains, N.; W Harpsøe, K. B.; Liebig, C.; Penny, M. T.; Alsubai, K. A.; Andersen, J. M.; Bozza, V.; Browne, P.; Calchi Novati, S.; Damerdji, Y.; Diehl, C.; Dominik, M.; Elyiv, A.; Giannini, E.; Hessman, F.; Hinse, T. C.; Hundertmark, M.; Juncher, D.; Kerins, E.; Korhonen, H.; Mancini, L.; Martin, R.; Rabus, M.; Rahvar, S.; Scarpetta, G.; Southworth, J.; Snodgrass, C.; Street, R. A.; Surdej, J.; Tregloan-Reed, J.; Vilela, C.; Williams, A.

doi:10.1051/0004-6361/201321430

WEATHER ON THE NEAREST BROWN DWARFS: RESOLVED SIMULTANEOUS MULTI-WAVELENGTH VARIABILITY MONITORING OF WISE J104915.57–531906.1AB (2013)
Journal Article
Biller, B. A., Crossfield, I. J. M., Mancini, L., Ciceri, S., Southworth, J., Kopytova, T. G., …Goldman, B. (in press). WEATHER ON THE NEAREST BROWN DWARFS: RESOLVED SIMULTANEOUS MULTI-WAVELENGTH VARIABILITY MONITORING OF WISE J104915.57–531906.1AB. Astrophysical Journal Letters, 778(1), Article L10. https://doi.org/10.1088/2041-8205/778/1/l10

We present two epochs of MPG/ESO 2.2 m GROND simultaneous six-band (r'i'z' JHK) photometric monitoring of the closest known L/T transition brown dwarf binary WISE J104915.57−531906.1AB. We report here the first resolved variability monitoring of both... Read More about WEATHER ON THE NEAREST BROWN DWARFS: RESOLVED SIMULTANEOUS MULTI-WAVELENGTH VARIABILITY MONITORING OF WISE J104915.57–531906.1AB.

Erratum: Asteroseismology of KIC 11754974: a high-amplitude SX Phe pulsator in a 343-d binary system (2013)
Journal Article
Murphy, S. J., Pigulski, A., Kurtz, D. W., Suárez, J. C., Handler, G., Balona, L. A., …Southworth, J. (2013). Erratum: Asteroseismology of KIC 11754974: a high-amplitude SX Phe pulsator in a 343-d binary system. Monthly Notices of the Royal Astronomical Society, 436(3), 2877-2877. https://doi.org/10.1093/mnras/stt1749

The paper ‘Asteroseismology of KIC 11754974: a high-amplitude SX Phe pulsator in a 343-d binary system’ was published in MNRAS, 432, 2284 (2013). An error was inadvertently introduced in this paper during copyediting when the term ‘F0’ was globally r... Read More about Erratum: Asteroseismology of KIC 11754974: a high-amplitude SX Phe pulsator in a 343-d binary system.

EMCCD photometry reveals two new variable stars in the crowded central region of the globular cluster NGC 6981 (Corrigendum) (2013)
Journal Article
Skottfelt, J., Bramich, D. M., Figuera Jaimes, R., Jørgensen, U. G., Kains, N., W Harpsøe, K. B., …Williams, A. (2013). EMCCD photometry reveals two new variable stars in the crowded central region of the globular cluster NGC 6981 (Corrigendum). Astronomy & Astrophysics, 558, Article C1. https://doi.org/10.1051/0004-6361/201321430e

Erratum for: A&A 553, A111 (2013), DOI: 10.1051/0004-6361/201321430

Physical properties, transmission and emission spectra of the WASP-19 planetary system from multi-colour photometry★ (2013)
Journal Article
Mancini, L., Ciceri, S., Chen, G., Tregloan-Reed, J., Fortney, J. J., Southworth, J., …Surdej, J. (2013). Physical properties, transmission and emission spectra of the WASP-19 planetary system from multi-colour photometry★. Monthly Notices of the Royal Astronomical Society, 436(1), 2-18. https://doi.org/10.1093/mnras/stt1394

We present new ground-based, multi-colour, broad-band photometric measurements of the physical parameters, transmission and emission spectra of the transiting extrasolar planet WASP-19b. The measurements are based on observations of eight transits an... Read More about Physical properties, transmission and emission spectra of the WASP-19 planetary system from multi-colour photometry★.

The solar-type eclipsing binary system LL Aquarii (2013)
Journal Article
Southworth, J. (2013). The solar-type eclipsing binary system LL Aquarii. Astronomy & Astrophysics, 557, Article A119. https://doi.org/10.1051/0004-6361/201322195

The eclipsing binary LL Aqr consists of two late-type stars in an eccentric orbit with a period of 20.17 d. We use an extensive light curve from the SuperWASP survey augmented by published radial velocities and UBV light curves to measure the physica... Read More about The solar-type eclipsing binary system LL Aquarii.

Physical properties of the eclipsingδ Scuti star KIC 10661783 (2013)
Journal Article
Lehmann, H., Southworth, J., Tkachenko, A., & Pavlovski, K. (2013). Physical properties of the eclipsingδ Scuti star KIC 10661783. Astronomy & Astrophysics, 557, Article A79. https://doi.org/10.1051/0004-6361/201321400

Context. KIC 10661783 is an eclipsing binary that shows δ Scuti-like oscillations. More than 60 pulsation frequencies have been detected in its light curve as observed by the Kepler satellite. Aims. We want to determine the fundamental stellar and... Read More about Physical properties of the eclipsingδ Scuti star KIC 10661783.

Stellar Magnetism and starspots: the implications for exoplanets (2013)
Journal Article
Vilela, C., Southworth, J., & del Burgo, C. (2013). Stellar Magnetism and starspots: the implications for exoplanets. Proceedings of the International Astronomical Union, 9(S302), 247-250. https://doi.org/10.1017/s1743921314002208

Stellar variability induced by starspots can hamper the detection of exoplanets and bias planet property estimations. These features can also be used to study star-planet interactions as well as inferring properties from the underlying stellar dynamo... Read More about Stellar Magnetism and starspots: the implications for exoplanets.

Simultaneous follow-up of planetary transits: revised physical properties for the planetary systems HAT-P-16 and WASP-21 (2013)
Journal Article
Ciceri, S., Mancini, L., Southworth, J., Nikolov, N., Bozza, V., Bruni, I., …Henning, T. (2013). Simultaneous follow-up of planetary transits: revised physical properties for the planetary systems HAT-P-16 and WASP-21. Astronomy & Astrophysics, 557, Article A30. https://doi.org/10.1051/0004-6361/201321669

Context. By now, more than 300 planets transiting their host star have been found, and much effort is being put into measuring the properties of each system. Light curves of planetary transits often contain deviations from a simple transit shape, and... Read More about Simultaneous follow-up of planetary transits: revised physical properties for the planetary systems HAT-P-16 and WASP-21.

KIC 8410637: a 408-day period eclipsing binary containing a pulsating giant star (2013)
Journal Article
Frandsen, S., Lehmann, H., Hekker, S., Southworth, J., Debosscher, J., Beck, P., …Elsworth, Y. (2013). KIC 8410637: a 408-day period eclipsing binary containing a pulsating giant star. Astronomy & Astrophysics, 556, Article A138. https://doi.org/10.1051/0004-6361/201321817

Context. Detached eclipsing binaries (dEBs) are ideal targets for accurately measuring the masses and radii of their component stars. If at least one of the stars has evolved off the main sequence (MS), the masses and radii give a strict constraint o... Read More about KIC 8410637: a 408-day period eclipsing binary containing a pulsating giant star.

ENIGMATIC RECURRENT PULSATIONAL VARIABILITY OF THE ACCRETING WHITE DWARF EQ LYN (SDSS J074531.92+453829.6) (2013)
Journal Article
Mukadam, A. S., Townsley, D. M., Szkody, P., Gänsicke, B. T., Southworth, J., Brockett, T., …Qian, S. (2013). ENIGMATIC RECURRENT PULSATIONAL VARIABILITY OF THE ACCRETING WHITE DWARF EQ LYN (SDSS J074531.92+453829.6). Astronomical Journal, 146(3), Article 54. https://doi.org/10.1088/0004-6256/146/3/54

Photometric observations of the cataclysmic variable EQ Lyn (SDSS J074531.92+453829.6), acquired from 2005 October to 2006 January, revealed high-amplitude variability in the range 1166–1290 s. This accreting white dwarf underwent an outburst in 2006... Read More about ENIGMATIC RECURRENT PULSATIONAL VARIABILITY OF THE ACCRETING WHITE DWARF EQ LYN (SDSS J074531.92+453829.6).

KIC 11285625: A double-lined spectroscopic binary with a γ Doradus pulsator discovered from Kepler space photometry (2013)
Journal Article
Debosscher, J., Aerts, C., Tkachenko, A., Pavlovski, K., Maceroni, C., Kurtz, D., …Southworth, J. (2013). KIC 11285625: A double-lined spectroscopic binary with a γ Doradus pulsator discovered from Kepler space photometry. Astronomy & Astrophysics, 556, Article A56. https://doi.org/10.1051/0004-6361/201321702

Aims. We present the first binary modelling results for the pulsating, eclipsing binary KIC 11285625 that was discovered by the Kepler mission. An automated method to disentangle the pulsation spectrum and the orbital variability in high quality ligh... Read More about KIC 11285625: A double-lined spectroscopic binary with a γ Doradus pulsator discovered from Kepler space photometry.

KIC 4544587: an eccentric, short-period binary system with δ Sct pulsations and tidally excited modes (2013)
Journal Article
Hambleton, K. M., Kurtz, D. W., Prša, A., Guzik, J. A., Pavlovski, K., Bloemen, S., …Fuller, J. (2013). KIC 4544587: an eccentric, short-period binary system with δ Sct pulsations and tidally excited modes. Monthly Notices of the Royal Astronomical Society, 434(2), 925-940. https://doi.org/10.1093/mnras/stt886

We present Kepler photometry and ground-based spectroscopy of KIC 4544587, a short-period eccentric eclipsing binary system with self-excited pressure and gravity modes, tidally excited modes, tidally influenced p modes and rapid apsidal motion of 18... Read More about KIC 4544587: an eccentric, short-period binary system with δ Sct pulsations and tidally excited modes.

A detailed census of variable stars in the globular cluster NGC 6333 (M9) from CCD differential photometry★ (2013)
Journal Article
Arellano Ferro, A., Bramich, D. M., Figuera Jaimes, R., Giridhar, S., Kains, N., Kuppuswamy, K., …Wertz, O. (2013). A detailed census of variable stars in the globular cluster NGC 6333 (M9) from CCD differential photometry★. Monthly Notices of the Royal Astronomical Society, 434(2), 1220-1238. https://doi.org/10.1093/mnras/stt1080

We report CCD V and I time series photometry of the globular cluster NGC 6333 (M9). The technique of difference image analysis has been used, which enables photometric precision better than 0.05 mag for stars brighter than V ∼ 19.0 mag, even in the c... Read More about A detailed census of variable stars in the globular cluster NGC 6333 (M9) from CCD differential photometry★.

High-precision photometry by telescope defocusing – V. WASP-15 and WASP-16★ (2013)
Journal Article
Southworth, J., Mancini, L., Browne, P., Burgdorf, M., Calchi Novati, S., Dominik, M., …Wertz, O. (2013). High-precision photometry by telescope defocusing – V. WASP-15 and WASP-16★. Monthly Notices of the Royal Astronomical Society, 434(2), 1300-1308. https://doi.org/10.1093/mnras/stt1089

We present new photometric observations of WASP-15 and WASP-16, two transiting extrasolar planetary systems with measured orbital obliquities but without photometric follow-up since their discovery papers. Our new data for WASP-15 comprise observatio... Read More about High-precision photometry by telescope defocusing – V. WASP-15 and WASP-16★.

Transmission photometry of WASP-12b: simultaneous measurement of the planetary radius in three bands (2013)
Journal Article
Copperwheat, C. M., Wheatley, P. J., Southworth, J., Bento, J., Marsh, T. R., Dhillon, V. S., …Hickman, R. (2013). Transmission photometry of WASP-12b: simultaneous measurement of the planetary radius in three bands. Monthly Notices of the Royal Astronomical Society, 434(1), 661-670. https://doi.org/10.1093/mnras/stt1056

Transmission spectroscopy has been successfully used from both the ground and in space to characterize the atmospheres of transiting exoplanets. This technique is challenging from the ground because ground-based spectrographs tend not to be designed... Read More about Transmission photometry of WASP-12b: simultaneous measurement of the planetary radius in three bands.

Estimating the parameters of globular cluster M 30 (NGC 7099) from time-series photometry (2013)
Journal Article
Kains, N., Bramich, D. M., Arellano Ferro, A., Figuera Jaimes, R., Jørgensen, U. G., Giridhar, S., …(The MiNDSTEp consortium). (2013). Estimating the parameters of globular cluster M 30 (NGC 7099) from time-series photometry. Astronomy & Astrophysics, 555, Article A36. https://doi.org/10.1051/0004-6361/201321819

Aims. We present the analysis of 26 nights of V and I time-series observations from 2011 and 2012 of the globular cluster M 30 (NGC 7099). We used our data to search for variable stars in this cluster and refine the periods of known variables; we the... Read More about Estimating the parameters of globular cluster M 30 (NGC 7099) from time-series photometry.

The GAPS programme with HARPS-N at TNG: I. Observations of the Rossiter-McLaughlin effect and characterisation of the transiting system Qatar-1⋆⋆⋆⋆⋆ (2013)
Journal Article
Covino, E., Esposito, M., Barbieri, M., Mancini, L., Nascimbeni, V., Claudi, R., …Turrini, D. (2013). The GAPS programme with HARPS-N at TNG: I. Observations of the Rossiter-McLaughlin effect and characterisation of the transiting system Qatar-1⋆⋆⋆⋆⋆. Astronomy & Astrophysics, 554, Article A28. https://doi.org/10.1051/0004-6361/201321298

Context. Our understanding of the formation and evolution of planetary systems is still fragmentary because most of the current data provide limited information about the orbital structure and dynamics of these systems. The knowledge of the orbital p... Read More about The GAPS programme with HARPS-N at TNG: I. Observations of the Rossiter-McLaughlin effect and characterisation of the transiting system Qatar-1⋆⋆⋆⋆⋆.

The GAPS programme with HARPS-N at TNG: II. No giant planets around the metal-poor star HIP 11952⋆⋆⋆ (2013)
Journal Article
Desidera, S., Sozzetti, A., Bonomo, A. S., Gratton, R., Poretti, E., Claudi, R., …Southworth, J. (2013). The GAPS programme with HARPS-N at TNG: II. No giant planets around the metal-poor star HIP 11952⋆⋆⋆. Astronomy & Astrophysics, 554, Article A29. https://doi.org/10.1051/0004-6361/201321155

In the context of the programme Global Architecture of Planetary Systems (GAPS), we have performed radial velocity monitoring of the metal-poor star HIP 11952 on 35 nights during about 150 days using the newly installed high-resolution spectrograph H... Read More about The GAPS programme with HARPS-N at TNG: II. No giant planets around the metal-poor star HIP 11952⋆⋆⋆.

Two new SB2 binaries with main sequence B-type pulsators in theKeplerfield (2013)
Journal Article
Pápics, P. I., Tkachenko, A., Aerts, C., Briquet, M., Marcos-Arenal, P., Beck, P. G., …Debosscher, J. (2013). Two new SB2 binaries with main sequence B-type pulsators in theKeplerfield. Astronomy & Astrophysics, 553, A127. https://doi.org/10.1051/0004-6361/201321088

Context. OB stars are important in the chemistry and evolution of the Universe, but the sample of targets that is well understood from an asteroseismological point of view is still too limited to provide feedback on the current evolutionary models.... Read More about Two new SB2 binaries with main sequence B-type pulsators in theKeplerfield.

EMCCD photometry reveals two new variable stars in the crowded central region of the globular cluster NGC 6981 (2013)
Journal Article
Skottfelt, J., Bramich, D. M., Figuera Jaimes, R., Jørgensen, U. G., Kains, N., W Harpsøe, K. B., …Williams, A. (2013). EMCCD photometry reveals two new variable stars in the crowded central region of the globular cluster NGC 6981. Astronomy & Astrophysics, 553, Article A111. https://doi.org/10.1051/0004-6361/201321430

Two previously unknown variable stars in the crowded central region of the globular cluster NGC 6981 are presented. The observations were made using the electron multiplying CCD (EMCCD) camera at the Danish 1.54 m Telescope at La Silla, Chile. The tw... Read More about EMCCD photometry reveals two new variable stars in the crowded central region of the globular cluster NGC 6981.

All Outputs (245)