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

DSpace/Manakin Repository

Open Research Exeter (ORE)

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

Please use this identifier to cite or link to this item: http://hdl.handle.net/10036/87035

Share:                 



Title: Ground-based photometry of space-based transit detections: photometric follow-up of the CoRoT mission
Author: Deeg, H. J.
Gillon, M.
Shporer, A.
Rouan, D.
Stecklum, B.
Aigrain, Suzanne
Alapini, Aude
Almenara, J.-M.
Alonso, R.
Barbieri, M.
Bouchy, F.
Eislöffel, J.
Erikson, A.
Fridlund, M.
Eigmüller, P.
Handler, G.
Hatzes, A.
Kabath, P.
Lendl, M.
Mazeh, T.
Moutou, C.
Queloz, D.
Rauer, H.
Rabus, M.
Tingley, B.
Titz, R.
Citation: 506 (1), pp. 343-352
Publisher: EDP Sciences
Journal: Astronomy and Astrophysics
Date Issued: 2009
URI: http://hdl.handle.net/10036/87035
DOI: 10.1051/0004-6361/200912011
Links: http://dx.doi.org/10.1051/0004-6361/200912011
Abstract: 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.
Type: Article
Description: Copyright © The European Southern Observatory (ESO)
Keywords: observational methodsphotometric techniquesplanetary systems
ISSN: 0004-63611432-0746


Please note: Before reusing this item please check the rights under which it has been made available. Some items are restricted to non-commercial use. Please cite the published version where applicable.

Files in this item

Files Size Format View
Ground-based photometry.pdf 959.0Kb PDF Thumbnail

This item appears in the following Collection(s)

Browse

My Account

Local Links