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J/A+A/529/A102      MOA-2007-BLG-387Lb light curve I band    (Batista+, 2011)

Photometric data of the MOA-2007-BLG-387Lb light curve I band. Batista V., Gould A., Dieters S., Dong Subo , Bond I., Beaulieu J.P., Maoz D., Monard B., Christie G.W., McCormick J., Albrow M.D., Horne K., Tsapras Y., Burgdorf M.J., Calchi Novati S., Skottfelt J., Caldwell J., Kozlowski S., Kubas D., Gaudi B.S., Han C., Bennett1 D.P., An J., Abe F., Botzler C.S., Douchin D., Freeman M., Fukui A., Furusawa K., Hearnshaw J.B., Hosaka S., Itow Y., Kamiya K., Kilmartin P.M., Korpela A., Lin W., Ling C.H., Makita S., Masuda K., Matsubara Y., Miyake N., Muraki Y., Nagaya M., Nishimoto K., Ohnishi K., Okumura T., Perrott Y.C., Rattenbury N., Saito To., Sullivan D.J., Sumi T., Sweatman W.L., Tristram P.J., von Seggern E., Yock P.C.M. (The MOA Collaboration), Brillant S., Calitz J.J., Cassan A., Cole A., Cook K., Coutures C., Dominis Prester D., Donatowicz J., Greenhill J., Hoffman M., Jablonski F., Kane S.R., Kains N., Marquette J.-B., Martin R., Martioli E., Meintjes P., Menzies J., Pedretti E., Pollard K., Sahu K.C., Vinter C., Wambsganss J., Watson R., Williams A., Zub M. (The PLANET Collaboration), Allen W., Bolt G., Bos M., DePoy D.L., Drummond J., Eastman J.D., Gal-Yam A., Gorbikov E., Higgins D., Janczak J., Kaspi S., Lee C.-U., Mallia F., Maury A., Monard L.A.G., Moorhouse D., Morgan N., Natusch T., Ofek E.O., Park B.-G., Pogge R.W., Polishook D., Santallo R., Shporer A., Spector O., Thornley G., Yee J.C. (The µ Collaboration), Bozza V., Browne P., Dominik M., Dreizler S., Finet F., Glitrup M., Grundah F., Harpsoe K., Hessman F.V., Hinse T.C., Hundertmark M., Jorgensen U.G., Liebig C., Maier G., Mancini L., Mathiasen M., Rahvar S., Ricci D., Scarpetta G., Southworth J., Surdej J., Zimmer F., (The MiNDSTEp Consortium), Allan A., Bramich D.M., Snodgrass C., Steele I.A., Street R.A. (The RoboNet Collaboration) <Astron. Astrophys. 529, A102 (2011)> =2011A&A...529A.102B (SIMBAD/NED BibCode)
ADC_Keywords: Stars, double and multiple ; Planets ; Magnitudes Keywords: gravitational lensing: micro - methods: data analysis - planets and satellites: detection - methods: numerical - instrumentation: adaptive optics - instrumentation: photometers Abstract: We report the discovery of a planet with a high planet-to-star mass ratio in the microlensing event MOA-2009-BLG-387, which exhibited pronounced deviations over a 12-day interval, one of the longest for any planetary event. The host is an M dwarf, with a mass in the range 0.07M<Mhost<0.49M at 90% confidence. The planet-star mass ratio q=0.0132±0.003 has been measured extremely well, so at the best-estimated host mass, the planet mass is mp=2.6 Jupiter masses for the median host mass, M=0.19M. Description: The RoboNet collaboration also followed the event with their three 2m robotic telescopes : the Faulkes Telescopes The microlensing event MOA-2009-BLG-387 was alerted North (FTN) and South (FTS) in Hawaii and Australia by the MOA collaboration (Microlensing Observations in (Siding Springs Observatory) respectively, and the Liverpool Astrophysics) on 24 July 2009 at 15:08 UT, HJD'=HJD-24500000=5037.13, a few days before the first caustic entry. Many observatories obtained data of the event. The celestial coordinates of the event are RA=17:53:50.79 and DE=-33:59:25 (J2000.0) corresponding to Galactic coordinates: l=+356.56, b=-4.097. Objects: -------------------------------------------------------------- RA (2000) DE Designation(s) -------------------------------------------------------------- 17 53 50.8 -33 59 25 MOA-2007-BLG-387L = MOA 2009-BLG-387 -------------------------------------------------------------- File Summary:
FileName Lrecl Records Explanations
ReadMe 80 . This file phot.dat 53 969 I-band light curves
Byte-by-byte Description of file: phot.dat
Bytes Format Units Label Explanations
1- 4 A4 --- Obs Observatory code (1) 6- 17 F12.7 d HJD' Date (HJD'=HJD-2450000) 20- 25 F6.3 mag Imag I magnitude 27- 32 F6.3 mag e_Imag ? Error bar on Imag 34- 39 F6.3 mag res1 residuals 1 (2) 41- 46 F6.3 mag res2 residuals 2 (2) 48- 53 F6.3 mag res3 residuals 3 (2)
Note (1): Observatory code as follows: AO = Auckland Observatory BO = Bronberg Observatory CTIO = CTIO observatory CTO = Canopus Tasmania Obs DTC = Danish Telesc. Chile FCO = Farm Cove Observatory FTN = Faulkes North Telescope FTS = Faulkes South Telescope KO = Kumeu Observatory LT = Liverpool Telescope MOA = MOA SAAO = South Africa Obs WO = Wise Observatory Note (2): Residuals defined as: residuals1 = magnitude - (magnitude of a binary lens - finite source model) residuals2 = magnitude - (magnitude of a binary lens - point source model) residuals3 = magnitude - (magnitude of a point lens - finite source model)
Acknowledgements: Virginie Batista, batista(at)iap.f
(End) Patricia Vannier [CDS] 04-Apr-2011
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