SIMBAD references

2011A&A...525A..54B - Astronomy and Astrophysics, volume 525A, 54-54 (2011/1-1)

WASP-38b: a transiting exoplanet in an eccentric, 6.87d period orbit.

BARROS S.C.C., FAEDI F., COLLIER CAMERON A., LISTER T.A., McCORMAC J., POLLACCO D., SIMPSON E.K., SMALLEY B., STREET R.A., TODD I., TRIAUD A.H.M.J., BOISSE I., BOUCHY F., HEBRARD G., MOUTOU C., PEPE F., QUELOZ D., SANTERNE A., SEGRANSAN D., UDRY S., BENTO J., BUTTERS O.W., ENOCH B., HASWELL C.A., HELLIER C., KEENAN F.P., MILLER G.R.M., MOULDS V., NORTON A.J., PARLEY N., SKILLEN I., WATSON C.A., WEST R.G. and WHEATLEY P.J.

Abstract (from CDS):

We report the discovery of WASP-38b, a long period transiting planet in an eccentric 6.871815 day orbit. The transit epoch is 2455335.92050±0.00074 (HJD) and the transit duration is 4.663h. WASP-38b's discovery was enabled due to an upgrade to the SuperWASP-North cameras. We performed a spectral analysis of the host star HD 146389/BD+10 2980 that yielded Teff=6150±80K, logg=4.3±0.1, vsini=8.6±0.4km/s, M*=1.16±0.04M and R*=1.33±0.03R, consistent with a dwarf of spectral type F8. Assuming a main-sequence mass-radius relation for the star, we fitted simultaneously the radial velocity variations and the transit light curves to estimate the orbital and planetary parameters. The planet has a mass of 2.69±0.06MJup and a radius of 1.09±0.03RJup giving a density, ρp=2.1±0.1ρJ. The high precision of the eccentricity e=0.0314±0.0044 is due to the relative transit timing from the light curves and the RV shape. The planet equilibrium temperature is estimated at 1292±33K. WASP-38b is the longest period planet found by SuperWASP-North and with a bright host star (V=9.4mag), is a good candidate for followup atmospheric studies.

Abstract Copyright:

Journal keyword(s): planets and satellites: detection - stars: individual: WASP-38 - techniques: photometric - techniques: radial velocities

VizieR on-line data: <Available at CDS (J/A+A/525/A54): table1.dat wasplc.dat tk08lc.dat tk15lc.dat riselc.dat ftnlc.dat>

Simbad objects: 8

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2020.11.29-19:22:46

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