Publications


Title: Constructing a One-solar-mass Evolutionary Sequence Using Asteroseismic Data from Kepler
Authors: Silva Aguirre, V. et. al including Sousa, S. G.
Published: The Astrophysical Journal Letters, Volume 740, Issue 1, article id. L2 (2011).
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Title: Spectroscopic stellar parameters for 582 FGK stars in the HARPS volume-limited sample. Revising the metallicity-planet correlation
Authors: Sousa, S. G. Santos, N. C.; Israelian, G.; Mayor, M.; Udry, S.
Published: Astronomy & Astrophysics, Volume 533, id.A141
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Title: Ensemble Asteroseismology of Solar-Type Stars with the NASA Kepler Mission
Authors: Chaplin, W. J. et. al including Sousa, S. G.
Published: Science, Volume 332, Issue 6026, pp. 213- (2011)
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Title: Exoplanet transmission spectroscopy: accounting for the eccentricity and the longitude of periastron. Superwinds in the upper atmosphere of HD 209458b?
Authors: Montalto, M.; Santos, N. C.; Boisse, I.; Boué, G.; Figueira, P.;Sousa, S. G.
Published: Astronomy & Astrophysics, Volume 528, id.L17
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Title: A Precise Asteroseismic Age and Radius for the Evolved Sun-like Star KIC 11026764
Authors: Metcalfe, T. S.; Monteiro, M. J. P. F. G.; Thompson, M. J.;... Sousa, S. G.; ..., et al.
Published: The Astrophysical Journal, Volume 723, Issue 2, pp. 1583-1598 (2010).
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Title: Searching for the Signatures of Terrestrial Planets in Solar Analogs
Authors: González Hernández, J. I.; Israelian, G.; Santos, N. C.; Sousa, S.; Delgado-Mena, E.; Neves, V.; Udry, S.
Published: The Astrophysical Journal, Volume 720, Issue 2, pp. 1592-1602 (2010)
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Title: The Asteroseismic Potential of Kepler: First Results for Solar-Type Stars
Authors: Chaplin, W. J.; Appourchaux, T.; Elsworth, Y.;... Sousa, S. G.; ..., et al.
Published: The Astrophysical Journal Letters, Volume 713, Issue 2, pp. L169-L175 (2010).
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Title: An effective temperature calibration for solar type stars using equivalent width ratios. A fast and easy spectroscopic temperature estimation
Authors: Sousa, S. G.; Alapini, A.; Israelian, G.; Santos, N. C.
Published: Astronomy and Astrophysics, Volume 512, id.A13 (2010)
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Title: Enhanced lithium depletion in Sun-like stars with orbiting planets
Authors: Israelian, G.; Mena, E. D.; Santos, N. C.; Sousa, S. G.; Mayor, M.; Udry, S.; Cerdena, C. D.; Rebolo, R.; Randich, S.
Published: Nature, Volume 462, Issue 7270, pp. 189-191 (2009)
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Title: A homogeneous spectroscopic analysis of host stars of transiting planets
Authors: Ammler-von Eiff, M.; Santos, N. C.; Sousa, S. G.; Fernandes, J.; Guillot, T.; Israelian, G.; Mayor, M.; Melo, C.
Published: Astronomy and Astrophysics, Volume 507, Issue 1, 2009, pp.523-530
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Title: Radius Determination of Solar-type Stars Using Asteroseismology: What to Expect from the Kepler Mission
Authors: Stello, D.; Chaplin, W. J.; Bruntt, H.; Creevey, O. L.; Garcia-Hernandez, A.; Monteiro, M. J. P. F. G.; Moya, A.; Quirion, P.O.; Sousa, S. G.; Suarez, J.C.; Appourchaux, T.; Arentoft, T.; Ballot, J.; Bedding, T. R.; Christensen-Dalsgaard, J.; Elsworth, Y.; Fletcher, S. T.; Garcia, R. A.; Houdek, G.; Jimenez-Reyes, S. J.; Kjeldsen, H.; New, R.; Régulo, C.; Salabert, D.; Toutain, T.
Published: The Astrophysical Journal, Volume 700, Issue 2, pp. 1589-1602 (2009).
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Title: Chemical abundances of 451 stars from the HARPS GTO planet search program. Thin disc, thick disc, and planets
Authors: Neves, V.; Santos, N. C.; Sousa, S. G.; Correia, A. C. M.; Israelian, G.
Published: Astronomy and Astrophysics, Volume 497, Issue 2, 2009, pp.563-581
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Title: Spectroscopic parameters for 451 stars in the HARPS GTO planet search program. Stellar [Fe/H] and the frequency of exo-Neptunes.
Authors: Sousa, S. G.; Santos, N. C.; Mayor, M.; Udry, S.; Casagrande, L.; Israelian, G.; Pepe, F.; Queloz, D.; Monteiro, M. J. P. F. G.
Published: Astronomy and Astrophysics, Volume 487, Issue 1, 2008, pp.373-381
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Title: On mode conversion and wave reflection in magnetic Ap stars
Authors: Sousa, S. G.; Cunha, M. S.
Published: Monthly Notices of the Royal Astronomical Society, Volume 386, Issue 1, 2008, pp. 531-542.
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Title: AsteroFLAG: First results from hare-and-hounds Exercise #1
Authors: Chaplin, W. J.; Appourchaux, T.; Arentoft, T.; Ballot, J.; Christensen-Dalsgaard, J.; Creevey, O. L.; Elsworth, Y.; Fletcher, S. T.; Garcia, R. A.; Houdek, G.; Jimenez-Reyes, S. J.; Kjeldsen, H.; New, R.; Regulo, C.; Salabert, D.; Sekii, T.; Sousa, S. G. ; Toutain, T.; the rest of the asteroFLAG group
Published: Astronomische Nachrichten, Vol.329, Issue 5, 2008, p.549
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Title: A new code for automatic determination of equivalent widths: Automatic Routine for line Equivalent widths in stellar Spectrum (ARES)
Authors: Sousa, S. G., ; Santos, N. C.; Israelian, G.; Mayor M.; Monteiro, M. J. P. F. G.
Published: Astronomy and Astrophysics, Volume 469, Issue 2, July II 2007, pp.783-791
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Title: A new Neptune-mass planet orbiting HD219828
Authors: Melo, C.; Santos, N. C.; Gieren, W.; Pietrzynski, M.; Ruiz, M. T.; Sousa, S. G.; Bouchy, F.; Lovis, C; Mayor, M.; Pepe, F.; da Silva, R.; Udry, S.
Published: Astronomy and Astrophysics, Volume 467, Issue 2, May IV 2007, pp.721-727
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Title: Spectroscopic Parameters for a sample of metal-rich solar-type stars
Authors: Sousa, S. G., ; Santos, N. C.; Israelian, G.; Mayor M.; Monteiro, M. J. P. F. G.
Published: Astronomy and Astrophysics, Volume 458, Issue 3, November II 2006, pp.873-880
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Title: Spectroscopic metallicities for planet-host stars: Extending the samples
Authors: Santos, N. C.; Israelian, G.; Mayor, M.; Bento, J. P.; Almeida, P. C.; Sousa, S. G.; Ecuvillon, A.
Published: Astronomy and Astrophysics, Volume 437, Issue 3, July III 2005, pp.1127-1133
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Title: A mean redshift of 2.8 for Swift gamma-ray bursts
Authors: Jakobson, P.; Levan, A.; Fymbo, J. P. U.; Priddey, R.; Hjorth, J.; Tanvir, N.; Watson, D.; Jensen, B. L.; Sollerman, J.; Natarajan, P.; Gorosabel, J.; Castro Ceron, J. M.; Pedersen, K.; Pursimo, T.; Arnadottir, A. S.; Castro-Tirado, A. J.; Davis, C. J.; Deeg, H. J.; Fiuza, D. A.; Mykolaitis, S.; Sousa, S. G.
Published: Astronomy and Astrophysics, Volume 447, Issue 3, March I 2006, pp.897-903
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Title: Spectroscopic Parameters for a sample of metal-rich solar-type stars
Authors: Sousa, S. G. ; Santos, N. C.; Israelian, G.; Mayor M.; Monteiro, M. J. P. F. G
Published: To be published in the PSA proceddings.
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Title: A first step for automatic stellar parameter determination
Authors: Sousa, S. G.
Published: Proceedings of the 15th portuguese national meeting 2005/2006
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Title: Wave reflection in roAp stars
Authors: Sousa, S. A. G.; Cunha, M. S,
Published: Memorie della Societa Astronomica Italiana, v.77, p.488 (2006)
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Title: High frequency versus low frequency oscillations in roAp stars
Authors: Cunha, M. S; Sousa, S. A. G.
Published: Memorie della Societa Astronomica Italiana, v.77, p.354 (2006)
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Title: Wave Reflection in Rapidly Oscillating Ap Stars
Authors: Sousa, S.G.
Published: Tese de Mestrado, 12-2004, FCUP
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