نتایج جستجو برای: 55 e
تعداد نتایج: 1110963 فیلتر نتایج به سال:
We report on the detection of a transit of the super-Earth 55 Cnc e with warm Spitzer in IRAC’s 4.5 μm band. Our MCMC analysis includes an extensive modeling of the systematic effects affecting warm Spitzer photometry, and yields a transit depth of 410±63 ppm, which translates to a planetary radius of 2.08 −0.17 R⊕ as measured in IRAC 4.5 μm channel. A planetary mass of 7.81 +0.58 −0.53 M⊕ is d...
Corresponding author: Whady Hueb Av. Dr. Eneas de Carvalho Aguiar 44, AB, Sala 114, Cerqueira César, São Paulo-SP/ Brazil 05403–000. Telephone number: 55 11 26615032. Fax number: 55 11 26615188. E-mail: [email protected] E-mails of authors: [email protected]; [email protected]; [email protected]; [email protected]; [email protected]; [email protected]; nandoikawa@...
We report on new transit photometry for the super-Earth 55 Cnc e obtained with Warm Spitzer/IRAC at 4.5 μm. An individual analysis of these new data leads to a planet radius of 2.21+0.15 −0.16 R⊕, which agrees well with the values previously derived from the MOST and Spitzer transit discovery data. A global analysis of both Spitzer transit time-series improves the precision on the radius of the...
1 PhD (Graduate Program Coordinator at UPE). 2 MD (Medical Resident in Surgery and Maxillofacial Trauma. Universidade de Pernambuco). Universidade de Pernambuco. Send correspondence to: Belmiro C. E. Vasconcelos. Universidade de Pernambuco. Centro de Pesquisa Clínica em Cirurgia e Traumatologia Buco-Maxilo-Facial. Av. Gal. Newton Cavalcanti, 1.650. Tabatinga. Camaragibe PE. Brazil. CEP: 54753-2...
Acidithiobacillus ferrooxidans (A. ferrooxidans, formerly Thiobacillus ferrooxidans) is the Gram-negative, acidophilic, chemolithoautotrophic bacterium that obtains its energy from the oxidation of ferrous iron, elemental sulphur, or partially oxidized sulphur compounds (Leduc and Ferroni, 1994; Rohwerder et al., 2003), even hydrogen or formate in anoxic conditions (Drobner et al., 1990; Pronk ...
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