OGLE 2008-BLG-290: An accurate measurement of the limb darkening of a galactic bulge K Giant spatially resolved by microlensing
- Fouque P.
- Heyrovsky D.
- Dong S.
- Gould A.
- Udalski A.
- Albrow M. D.
- Batista V.
- Beaulieu J. -P.
- Bennett D. P.
- Bond I. A.
- Bramich D. M.
- Calchi Novati S.
- Cassan A.
- Coutures C.
- Dieters S.
- Dominik M.
- Dominis Prester D.
- Greenhill J.
- Horne K.
- Jorgensen U. G.
- Kozlowski S.
- Kubas D.
- Lee C. -H.
- Marquette J. -B.
- Mathiasen M.
- Menzies J.
- Monard L. A. G.
- Nishiyama S.
- Papadakis I.
- Street R.
- Sumi T.
- Williams A.
- Yee J. C.
- Brillant S.
- Caldwell J. A. R.
- Cole A.
- Cook K. H.
- Donatowicz J.
- Kains N.
- Kane S. R.
- Martin R.
- Pollard K. R.
- Sahu K. C.
- Tsapras Y.
- Wambsganss J.
- Depoy D. L.
- Gaudi B. S.
- Han C.
- Lee C. -U.
- Park B. -G.
- Pogge R. W.
- Kubiak M.
- Szymanski M. K.
- Pietrzynski G.
- Soszynski I.
- Szewczyk O.
- Ulaczyk K.
- Wyrzykowski L.
- Abe F.
- Fukui A.
- Furusawa K.
- Gilmore A. C.
- Hearnshaw J. B.
- Itow Y.
- Kamiya K.
- Kilmartin P. M.
- Korpela A. V.
- Lin W.
- Ling C. H.
- Masuda K.
- Matsubara Y.
- Miyake N.
- Muraki Y.
- Nagaya M.
- Ohnishi K.
- Okumura T.
- Perrott Y.
- Rattenbury N. J.
- Saito T.
- Sako T.
- Sato S.
- Skuljan L.
- Sullivan D.
- Sweatman W.
- Tristram P. J.
- Yock P. C. M.
- Allan A.
- Bode M. F.
- Burgdorf M. J.
- Clay N.
- Fraser S. N.
- Hawkins E.
- Kerins E.
- Lister T. A.
- Mottram C. J.
- Saunders E. S.
- Snodgrass C.
- Steele I. A.
- Wheatley P. J.
- Anguita T.
- Bozza V.
- Harpsoe K.
- Hinse T. C.
- Hundertmark M.
- Kjaergaard P.
- Liebig C.
- Mancini L.
- Masi G.
- Rahvar S.
- Ricci D.
- Scarpetta G.
- Southworth J.
- Surdej J.
- Thone C. C.
- Riffeser A.
- Seitz S.
- Bender R.
- Zub M.
DOIAbstract
Context. Not only is gravitational microlensing a successful tool for discovering distant exoplanets, but it also enables characterization of the lens and source stars involved in the lensing event. Aims: In high-magnification events, the lens caustic may cross over the source disk, which allows determination of the angular size of the source and measurement of its limb darkening. Methods: When such extended-source effects appear close to maximum magnification, the resulting light curve differs from the characteristic Paczyński point-source curve. The exact shape of the light curve close to the peak depends on the limb darkening of the source. Dense photometric coverage permits measurement of the respective limb-darkening coefficients. R...
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