<i>EXO-DAT</i>: AN INFORMATION SYSTEM IN SUPPORT OF THE<i>CoRoT</i>/EXOPLANET SCIENCE

Deleuil, M.; Meunier, J.-C.; Moutou, C.; Surace, C.; Deeg, H. J.; Barbieri, M.; Debosscher, J.; Almenara, J. M.; Agneray, F.; Granet, Y.; Guterman, P.; Hodgkin, S. T.

doi:10.1088/0004-6256/138/2/649

Cited by 148 publications

(163 citation statements)

References 21 publications

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“…This field, which is designated LRc02, has centre coordinates of approximately α = 18 h 40 m and δ = +6 deg . The planet was detected transiting the CoRoT target 0106017681 (Deleuil et al 2009), which is an m V = 13.9 star (see Table 1). CoRoT-6b was first noticed in the so-called "alarm-mode", (Surace et al 2008;Quentin et al 2006), i.e., a first look at roughly processed data while a particular observing run is ongoing and relatively little data is available.…”

Section: Light Curve Analysismentioning

confidence: 99%

“…According to imagery and photometry of target fields obtained with the INT/WFC before the satellite observation and stored in the Exo-dat database (Deleuil et al 2009), we estimate that flux contamination from the background stars falling inside the CoRoT-6's photometric mask (Auvergne et al 2009) is 2.8 ± 0.7% of the total flux. Assuming that these contaminants are photometrically stable during the whole observing run, we subtract 2.8% of the median flux from the light curve.…”

Section: Light Curve Analysismentioning

confidence: 99%

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Transiting exoplanets from the CoRoT space mission

Fridlund¹,

Hébrard

Alonso

et al. 2010

A&A

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The CoRoT satellite exoplanetary team announces its sixth transiting planet in this paper. We describe and discuss the satellite observations as well as the complementary ground-based observations -photometric and spectroscopic -carried out to assess the planetary nature of the object and determine its specific physical parameters. The discovery reported here is a "hot Jupiter" planet in an 8.9d orbit, 18 stellar radii, or 0.08 AU, away from its primary star, which is a solar-type star (F9V) with an estimated age of 3.0 Gyr. The planet mass is close to 3 times that of Jupiter. The star has a metallicity of 0.2 dex lower than the Sun, and a relatively high 7 Li abundance. While the light curve indicates a much higher level of activity than, e.g., the Sun, there is no sign of activity spectroscopically in e.g., the [Ca ii] H&K lines.

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Section: Light Curve Analysismentioning

confidence: 99%

Section: Light Curve Analysismentioning

confidence: 99%

Transiting exoplanets from the CoRoT space mission

Fridlund¹,

Hébrard

Alonso

et al. 2010

A&A

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“…This fit was based on the white-light data of the first transit event and included (1) the removal of a 2.5% contaminating fraction of light not originating from CoRoT-9, (2) the generation of a model for the planetary transit 22 assuming a linear relation for the stellar limb-darkening, and (3) the fitting of the model using a heuristic optimization algorithm 23 . The contaminating fraction of 2.5% was determined from pre-launch imagery 24 , taken with the INT/WFC on La Palma, after convolving these images with CoRoT's point-spread function, and measuring the contribution of nearby stars within CoRoT's aperture mask. b, Residuals after subtraction of the model fit.…”

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confidence: 99%

A transiting giant planet with a temperature between 250 K and 430 K

Deeg

Moutou

Erikson

et al. 2010

Nature

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114

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“…For the photometric follow-up of a candidate, we initially check for the existence of contaminating stars using the stellar photometry in the Exo-Dat catalog (Deleuil et al 2009). A simulation of the CoRoT PSF allows then an estimation of the fraction of light from the target and from the contaminating stars that 5 A public version of this program without the simulation of the CoRoT PSF, using default values of k c = 1, is available as the "vaphot/vanaliz" package at http://www.iac.es/galeria/hdeeg/hdeeghome.html falls into the target's aperture, giving the factors k c .…”

Section: Observing Strategymentioning

confidence: 99%

“…This program began prior to the launch, with observations for the selection of the sample fields and for the characterisation of the targets therein; described by Deleuil et al (2006Deleuil et al ( , 2009. The current inflight follow-up is centered on the rejection of false alarms among planet-candidates found by the spacecraft, on the verification of candidates as planets, and on the characterisation of verified planets in more detail.…”

Section: Introductionmentioning

confidence: 99%

Ground-based photometry of space-based transit detections: photometric follow-up of the CoRoT mission

Deeg¹,

Gillon

Shporer

et al. 2009

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The motivation, techniques and performance of the ground-based photometric follow-up of transit detections by the CoRoT space mission are presented. Its principal raison d'être arises from the much higher spatial resolution of common ground-based telescopes in comparison to CoRoT's cameras. This allows the identification of many transit candidates as arising from eclipsing binaries that are contaminating CoRoT's lightcurves, even in low-amplitude transit events that cannot be detected with ground-based obervations. For the ground observations, "on" -"off" photometry is now largely employed, in which only a short timeseries during a transit and a section outside a transit is observed and compared photometrically. CoRoTplanet candidates' transits are being observed by a dedicated team with access to telescopes with sizes ranging from 0.2 to 2 m. As an example, the process that led to the rejection of contaminating eclipsing binaries near the host star of the Super-Earth planet CoRoT-7b is shown. Experiences and techniques from this work may also be useful for other transit-detection experiments, when the discovery instrument obtains data with a relatively low angular resolution.

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EXO-DAT: AN INFORMATION SYSTEM IN SUPPORT OF THECoRoT/EXOPLANET SCIENCE

Cited by 148 publications

References 21 publications

Transiting exoplanets from the CoRoT space mission

Transiting exoplanets from the CoRoT space mission

A transiting giant planet with a temperature between 250 K and 430 K

Ground-based photometry of space-based transit detections: photometric follow-up of the CoRoT mission

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