2011A&A...533A.114D


Query : 2011A&A...533A.114D

2011A&A...533A.114D - Astronomy and Astrophysics, volume 533A, 114-114 (2011/9-1)

Detection of a transit of the super-Earth 55 Cancri e with warm Spitzer.

DEMORY B.-O., GILLON M., DEMING D., VALENCIA D., SEAGER S., BENNEKE B., LOVIS C., CUBILLOS P., HARRINGTON J., STEVENSON K.B., MAYOR M., PEPE F., QUELOZ D., SEGRANSAN D. and UDRY S.

Abstract (from CDS):

We report on the detection of a transit of the super-Earth 55Cnce with warm Spitzer in IRAC's 4.5µm band. Our MCMC analysis includes an extensive modeling of the systematic effects affecting warm Spitzer photometry, and yields a transit depth of 410 ±63ppm, which translates to a planetary radius of 2.08+0.16–0.17R as measured in IRAC 4.5µm channel. A planetary mass of 7.81–0.53+0.58M is derived from an extensive set of radial-velocity data, yielding a mean planetary density of 4.78–1.20+1.31g/cm3. Thanks to the brightness of its host star (V=6, K=4), 55Cnce is a unique target for the thorough characterization of a super-Earth orbiting around a solar-type star.

Abstract Copyright:

Journal keyword(s): binaries: eclipsing - planetary systems - stars: individual: 55 Cnc - techniques: photometric

VizieR on-line data: <Available at CDS (J/A+A/533/A114): phot.dat>

Simbad objects: 12

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Number of rows : 12
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 HD 40307b Pl 05 54 04.2409953924 -60 01 24.491747849           ~ 46 1
2 CoRoT-7b Pl 06 43 49.4690410679 -01 03 46.825797768           ~ 366 1
3 * rho01 Cnc e Pl 08 52 35.8113282132 +28 19 50.956901366           ~ 448 1
4 * rho01 Cnc PM* 08 52 35.8113282132 +28 19 50.956901366 7.45 6.82   5.4   K0IV-V 1009 1
5 Ross 905b Pl 11 42 11.0933874353 +26 42 23.658083337           ~ 654 1
6 HAT-P-26b Pl 14 12 37.5329989220 +04 03 36.117671696           ~ 117 1
7 NAME G 139-21b Pl 17 15 18.9337265994 +04 57 50.064695682           ~ 581 1
8 Kepler-4b Pl 19 02 27.6981397378 +50 08 08.703759444           ~ 91 1
9 Kepler-10b Pl 19 02 43.0612302512 +50 14 28.700759378           ~ 259 1
10 Kepler-11b Pl 19 48 27.6228219845 +41 54 32.902654079           ~ 133 1
11 Kepler-11c Pl 19 48 27.6228219845 +41 54 32.902654079           ~ 98 1
12 BD+47 2936b Pl 19 50 50.2474562793 +48 04 51.097364378           ~ 326 1

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2021.07.31-18:31:48

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