2009A&A...506..431M


C.D.S. - SIMBAD4 rel 1.7 - 2021.03.03CET23:20:36

2009A&A...506..431M - Astronomy and Astrophysics, volume 506, 431-434 (2009/10-4)

Removing systematics from the CoRoT light curves. I. Magnitude-dependent zero point.

MAZEH T., GUTERMAN P., AIGRAIN S., ZUCKER S., GRINBERG N., ALAPINI A., ALONSO R., AUVERGNE M., BARBIERI M., BARGE P., BORDE P., BOUCHY F., DEEG H., DE LA REZA R., DELEUIL M., DVORAK R., ERIKSON A., FRIDLUND M., GONDOIN P., JORDA L., LAMMER H., LEGER A., LLEBARIA A., MAGAIN P., MOUTOU C., OLLIVIER M., PAETZOLD M., PONT F., QUELOZ D., RAUER H., ROUAN D., SABO R., SCHNEIDER J. and WUCHTERL G.

Abstract (from CDS):

This paper presents an analysis that searched for systematic effects within the CoRoT exoplanet field light curves. The analysis identified a systematic effect that modified the zero point of most CoRoT exposures as a function of stellar magnitude. We could find this effect only after preparing a set of learning light curves that were relatively free of stellar and instrumental noise. Correcting for this effect, rejecting outliers that appear in almost every exposure, and applying SysRem, reduced the stellar RMS by about 20%, without attenuating transit signals.

Abstract Copyright:

Journal keyword(s): methods: data analysis - techniques: photometric - planetary systems

Simbad objects: 2

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Number of rows : 2

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2021
#notes
1 CoRoT-7b Pl 06 43 49.4690410679 -01 03 46.825797768           ~ 364 1
2 CoRoT-7 * 06 43 49.4690410679 -01 03 46.825797768   12.78 11.73 11.36 10.87 K0V 176 1

    Equat.    Gal    SGal    Ecl

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2021.03.03-23:20:36

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