2009A&A...501L..23A


C.D.S. - SIMBAD4 rel 1.7 - 2020.08.09CEST03:45:49

2009A&A...501L..23A - Astronomy and Astrophysics, volume 501, L23-26 (2009/7-3)

The secondary eclipse of the transiting exoplanet CoRoT-2b.

ALONSO R., GUILLOT T., MAZEH T., AIGRAIN S., ALAPINI A., BARGE P., HATZES A. and PONT F.

Abstract (from CDS):

We present a study of the light curve of the transiting exoplanet CoRoT-2b, aimed at detecting the secondary eclipse and measuring its depth. The data were obtained with the CoRoT satellite during its first run of more than 140 days. After filtering the low frequencies with a pre-whitening technique, we detect a 0.0060±0.0020% secondary eclipse centered on the orbital phase 0.494±0.006. Assuming a black-body emission of the planet, we estimate a surface brightness temperature of Tp,CoRoT =1910+90–100K. We provide the planet's equilibrium temperature and re-distribution factors as a function of the unknown amount of reflected light. The upper limit for the geometric albedo is 0.12. The detected secondary is the shallowest ever found.

Abstract Copyright:

Journal keyword(s): stars: planetary systems - techniques: photometric

Errata: + corrigendum vol .512, C1 (2010)

Simbad objects: 5

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Number of rows : 5

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2020
#notes
1 HD 75289 PM* 08 47 40.3895634256 -41 44 12.456269569 7.04 6.94 6.36     F9VFe+0.3 242 1
2 * tau Boo b Pl 13 47 15.74340 +17 27 24.8552           ~ 235 1
3 CoRoT-2 * 19 27 06.4944821296 +01 23 01.357597206   13.422 12.568 12.204 11.49 G7V+K9V 211 2
4 CoRoT-2b Pl 19 27 06.4944821296 +01 23 01.357597206           ~ 180 1
5 HD 209458b Pl 22 03 10.7729598762 +18 53 03.548248479           ~ 1479 1

    Equat.    Gal    SGal    Ecl

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2020.08.09-03:45:49

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