SIMBAD references

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.

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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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