SIMBAD references

2007MNRAS.376.1296S - Mon. Not. R. Astron. Soc., 376, 1296-1300 (2007/April-2)

Photometric follow-up of the transiting planet WASP-1b.


Abstract (from CDS):

We report on photometric follow-up of the recently discovered transiting planet WASP-1b. We observed two transits with the Wise Observatory 1-m telescope, and used a variant of the Eclipsing Binary Orbit Program (ebop) code together with the Sys-Rem detrending approach to fit the light curve. Assuming a stellar mass of 1.15M, we derived a planetary radius of Rp= 1.40 ±0.06RJand mass of Mp= 0.87±0.07MJ. An uncertainty of 15 per cent in the stellar mass results in an additional systematic uncertainty of 5 per cent in the planetary radius and of 10 per cent in planetary mass. Our observations yielded a slightly better ephemeris for the centre of the transit: Tc[HJD] = (2454013.3127±0.0004) + Ntr(2.51996±0.00002). The new planet is an inflated, low-density planet, similar to HAT-P-1b and HD209458b.

Abstract Copyright: 2007 The Authors. Journal compilation © 2007 RAS

Journal keyword(s): techniques: photometric - stars: individual: WASP-1 - planetary systems

Simbad objects: 7

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