RESEARCH
Research Groups Planets Stars Galaxies Cosmology Instrumentation Science Communication
Astronomical Instrumentation and Systems
Articles published during 2020

R. Allart, L. Pino, C. Lovis, S. G. Sousa, N. Casasayas-Barris, M. R. Zapatero-Osorio, M. Cretignier, E. Palle, F. Pepe, S. Cristiani et al. (including: N. C. Santos, O. Demangeon, H. M. Tabernero, V. Zh. Adibekyan, A. Cabral, P. Figueira, C. J. A. P. Martins, N. J. Nunes)
WASP-127b: a misaligned planet with a partly cloudy atmosphere and tenuous sodium signature seen by ESPRESSO
Astronomy & Astrophysics, 644, A155
2020 dezembro
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M. Martinelli, C. J. A. P. Martins, S. Nesseris, D. Sapone, I. Tutusaus, A. Avgoustidis, S. Camera, C. Carbone, S. Casas, S. Ilić et al. (including: J. Brinchmann, I. Tereno)
Euclid: Forecast constraints on the cosmic distance duality relation with complementary external probes
Astronomy & Astrophysics, 644, A80
2020 dezembro
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Euclid Collaboration, G. Desprez, S. Paltani, J. Coupon, I. Almosallam, A. Alvarez Ayllon, V. Amaro, M. Brescia, M. Brodwin, S. Cavuoti et al. (including: J. Brinchmann, C. S. Carvalho, A. C. da Silva, A. Humphrey, I. Tereno)
Euclid preparation. X. The Euclid photometric-redshift challenge
Astronomy & Astrophysics, 644, A31
2020 dezembro
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M. Pöntinen, M. Granvik, A. A. Nucita, L. Conversi, B. Altieri, N. Auricchio, C. Bodendorf, D. Bonino, M. Brescia, V. Capobianco et al. (including: I. Tereno)
Euclid: Identification of asteroid streaks in simulated images using StreakDet software
Astronomy & Astrophysics, 644, A35
2020 dezembro
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A. Mortier, M. R. Zapatero-Osorio, L. Malavolta, Y. Alibert, K. Rice, J. Lillo-Box, A. Vanderburg, M. Oshagh, L. A. Buchhave, V. Zh. Adibekyan et al. (including: E. Delgado Mena, S. G. Sousa, S. C. C. Barros, A. Cabral, O. Demangeon, P. Figueira, C. J. A. P. Martins, N. J. Nunes, N. C. Santos)
K2-111: an old system with two planets in near-resonance
Monthly Notices of the Royal Astronomical Society, 499, 4, 5004-5021
2020 dezembro
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J.-F. Donati, D. Kouach, C. Moutou, R. Doyon, X. Delfosse, E. Artigau, S. Baratchart, M. Lacombe, G. Barrick, G. Hébrard et al. (including: P. Figueira, N. C. Santos)
SPIRou: NIR velocimetry and spectropolarimetry at the CFHT
Monthly Notices of the Royal Astronomical Society, 498, 4, 5684-5703
2020 novembro
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C. Worley, P. Jofré, B. M. Rendle, A. Miglio, L. Magrini, D. Feuillet, A. Gavel, R. Smiljanic, K. Lind, A. J. Korn et al. (including: S. G. Sousa)
The Gaia-ESO Survey: Spectroscopic-asteroseismic analysis of K2 stars in Gaia-ESO. The K2 Galactic Caps Project
Astronomy & Astrophysics, 643, A83
2020 novembro
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M. Lendl, Sz. Csizmadia, A. Deline, L. Fossati, D. Kitzmann, K. Heng, S. Hoyer, S. Salmon, W. Benz, C. Broeg et al. (including: S. C. C. Barros, O. Demangeon, N. C. Santos, S. G. Sousa)
The hot dayside and asymmetric transit of WASP-189 b seen by CHEOPS
Astronomy & Astrophysics, 643, A94
2020 novembro
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M. L. Gutierrez Albarran, D. Montes, M. Gómez Garrido, H. M. Tabernero, J. I. González Hernández, E. Marfil, A. Frasca, A. C. Lanzafame, A. Klutsch, E. Franciosini et al. (including: S. G. Sousa)
The Gaia-ESO Survey: Calibrating the lithium–age relation with open clusters and associations I. Cluster age range and initial membership selections
Astronomy & Astrophysics, 643, A71
2020 novembro
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J. V. Seidel, M. Lendl, V. Bourrier, D. Ehrenreich, R. Allart, S. G. Sousa, H. M. Cegla, X. Bonfils, U. Conod, A. Grandjean et al.
Hot Exoplanet Atmospheres Resolved with Transit Spectroscopy (HEARTS). VI. Non-detection of sodium with HARPS on the bloated super-Neptune WASP-127b
Astronomy & Astrophysics, 643, A45
2020 novembro
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B. Wehbe, A. Cabral, G. Avila
On-sky measurements of atmospheric dispersion – I. Method validation
Monthly Notices of the Royal Astronomical Society, 499, 1, 183-192
2020 novembro
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I. Tutusaus, M. Martinelli, V. F. Cardone, S. Camera, S. Yahia-Cherif, S. Casas, A. Blanchard, M. Kilbinger, F. Lacasa, Z. Sakr et al. (including: I. Tereno)
Euclid: The importance of galaxy clustering and weak lensing cross-correlations within the photometric Euclid survey
Astronomy & Astrophysics, 643, A70
2020 novembro
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V. Zh. Adibekyan, S. G. Sousa, N. C. Santos, P. Figueira, C. Allende Prieto, E. Delgado Mena, J. I. González Hernández, P. de Laverny, A. Recio-Blanco, T. L. Campante et al. (including: J. P. Faria, T. Boulet)
Benchmark stars, benchmark spectrographs. Detailed spectroscopic comparison of ESPRESSO, PEPSI, and HARPS data for Gaia benchmark stars
Astronomy & Astrophysics, 642, A182
2020 outubro
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J. Lillo Box, P. Figueira, A. Leleu, L. Acuña, J. P. Faria, N. Hara, N. C. Santos, A. C. M. Correia, P. Robutel, M. Deleuil et al. (including: S. G. Sousa)
Planetary system LHS 1140 revisited with ESPRESSO and TESS
Astronomy & Astrophysics, 642, A121
2020 outubro
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J. Kemmer, S. Stock, D. Kossakowski, A. Kaminski, K. Molaverdikhani, M. Schlecker, J. A. Caballero, P. J. Amado, N. Astudillo-Defru, X. Bonfils et al. (including: P. Figueira, N. C. Santos)
Discovery of a hot, transiting, Earth-sized planet and a second temperate, non-transiting planet around the M4 dwarf GJ 3473 (TOI-488)
Astronomy & Astrophysics, 642, A236
2020 outubro
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Euclid Collaboration, V. Guglielmo, R. Saglia, F. J. Castander, A. Galametz, S. Paltani, R. Bender, M. Bolzonella, P. Capak, O. Ilbert et al. (including: C. S. Carvalho, A. C. da Silva, I. Tereno)
Euclid preparation. VIII. The Complete Calibration of the Colour-Redshift Relation survey: VLT/KMOS observations and data release
Astronomy & Astrophysics, 642, A192
2020 outubro
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Euclid Collaboration, A. Blanchard, S. Camera, C. Carbone, V. F. Cardone, S. Casas, S. Clesse, S. Ilić, M. Kilbinger, T. D. Kitching et al. (including: J. Brinchmann, C. S. Carvalho, A. C. da Silva, I. Tereno)
Euclid preparation. VII. Forecast validation for Euclid cosmological probes
Astronomy & Astrophysics, 642, A191
2020 outubro
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M. Damasso, A. Sozzetti, C. Lovis, S. C. C. Barros, S. G. Sousa, O. Demangeon, J. P. Faria, J. Lillo Box, S. Cristiani, F. Pepe et al. (including: N. C. Santos, V. Zh. Adibekyan, M. Abreu, D. Castro Alves, D. Bossini, A. Cabral, J. Coelho, P. Figueira, C. J. A. P. Martins, M. A. Monteiro, M. J. P. F. G. Monteiro, N. J. Nunes, A. Oliveira, J. M. Rebordão, P. Santos, H. M. Tabernero)
A precise architecture characterization of the π Mensae planetary system
Astronomy & Astrophysics, 642, A31
2020 outubro
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B. Toledo-Padrón, C. Lovis, A. Suárez Mascareño, S. C. C. Barros, J. I. González Hernández, A. Sozzetti, F. Bouchy, M. R. Zapatero-Osorio, R. Rebolo López, S. Cristiani et al. (including: N. C. Santos, S. G. Sousa, H. M. Tabernero, D. Bossini, V. Zh. Adibekyan, P. Figueira, N. J. Nunes, M. Abreu, D. Castro Alves, A. Cabral, J. Coelho, O. Demangeon, C. J. A. P. Martins, M. J. P. F. G. Monteiro, M. A. Monteiro, A. Oliveira, P. Santos)
Characterization of the K2-38 planetary system. Unraveling one of the densest planets known to date
Astronomy & Astrophysics, 641, A92
2020 setembro
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J. Lillo-Box, T. A. Lopez, A. Santerne, L. D. Nielsen, S. C. C. Barros, M. Deleuil, L. Acuña, O. Mousis, S. G. Sousa, V. Zh. Adibekyan et al. (including: O. Demangeon, P. Figueira, S. Hojjatpanah, N. C. Santos)
Masses for the seven planets in K2-32 and K2-233. Four diverse planets in resonant chain and the first young rocky worlds
Astronomy & Astrophysics, 640, A48
2020 agosto
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E. Barausse, E. Bertin, T. Hertog, S. A. Hughes, P. Jetzer, P. Pani, T. Sotiriou, N. Tamanini, H. Witek, K. Yagi et al. (including: I. Ayuso, T. Barreiro, F. T. O. Cabral, N. Frusciante, F. S. N. Lobo, C. J. A. P. Martins, J. P. Mimoso, N. J. Nunes, D. Rubiera-Garcia, A. C. da Silva, D. Vernieri)
Prospects for fundamental physics with LISA
General Relativity and Gravitation, 52, 81, 22
2020 agosto
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L. A. Dos Santos, D. Ehrenreich, V. Bourrier, R. Allart, G. W. King, M. Lendl, C. Lovis, S. Margheim, J. Meléndez, J. V. Seidel, S. G. Sousa
Search for helium in the upper atmosphere of the hot Jupiter WASP-127 b using Gemini/Phoenix
Astronomy & Astrophysics, 640, A29
2020 agosto
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A. Suárez Mascareño, J. P. Faria, P. Figueira, C. Lovis, M. Damasso, J. I. González Hernández, R. Rebolo López, S. Cristiani, F. Pepe, N. C. Santos et al. (including: V. Zh. Adibekyan, S. Hojjatpanah, M. Abreu, D. Castro Alves, S. C. C. Barros, A. Cabral, J. Coelho, C. J. A. P. Martins, M. A. Monteiro, M. J. P. F. G. Monteiro, N. J. Nunes, A. Oliveira, G. Pariani, P. Santos, S. G. Sousa)
Revisiting Proxima with ESPRESSO
Astronomy & Astrophysics, 639, A77
2020 julho
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G. Casali, L. Spina, L. Magrini, A. I. Karakas, C. Kobayashi, A. Casey, S. Feltzing, M. Van der Swaelmen, M. Tsantaki, P. Jofré et al. (including: S. G. Sousa, V. Zh. Adibekyan)
The Gaia-ESO survey: the non-universality of the age-chemical-clocks-metallicity relations in the Galactic disc
Astronomy & Astrophysics, 639, A127
2020 julho
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S. Hojjatpanah, M. Oshagh, P. Figueira, N. C. Santos, E. M. Amazo-Gómez, S. G. Sousa, V. Zh. Adibekyan, B. Akinsanmi, O. Demangeon, J. P. Faria, J. Gomes da Silva, N. Meunier
The correlation between photometric variability and radial velocity jitter. Based on TESS and HARPS observations
Astronomy & Astrophysics, 639, A35
2020 julho
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A. M. Silva, S. G. Sousa, N. C. Santos, O. Demangeon, P. M. M. Silva, S. Hoyer, P. Guterman, M. Deleuil, D. Ehrenreich
archi: pipeline for light curve extraction of CHEOPS background stars
Monthly Notices of the Royal Astronomical Society, 496, 1, 282-294
2020 julho
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R. Cloutier, J. D. Eastman, J. E. Rodriguez, N. Astudillo-Defru, X. Bonfils, A. Mortier, C. A. Watson, M. Stalport, M. Pinamonti, F. Lienhard et al. (including: N. C. Santos, P. Figueira)
A Pair of TESS Planets Spanning the Radius Valley around the Nearby Mid-M Dwarf LTT 3780
The Astronomical Journal, 160, 1
2020 julho
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D. J. Armstrong, T. A. Lopez, V. Zh. Adibekyan, R. A. Booth, E. M. Bryant, K. A. Collins, M. Deleuil, A. Emsenhuber, C. X. Huang, G. W. King et al. (including: N. C. Santos, S. G. Sousa, S. C. C. Barros, E. Delgado Mena, O. Demangeon, P. Figueira, S. Hojjatpanah)
A remnant planetary core in the hot-Neptune desert
Nature, 583, 7814, 39-42
2020 julho
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S. Pires, V. Vandenbussche, V. Kansal, R. Bender, L. Blot, D. Bonino, A. Boucaud, J. Brinchmann, V. Capobianco, J. Carretero et al. (including: I. Tereno)
Euclid: Reconstruction of weak-lensing mass maps for non-Gaussianity studies
Astronomy & Astrophysics, 638, A141
2020 junho
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M. Cirasuolo, A. Fairley, P. Rees, O. A. Gonzalez, W. Taylor, R. Maiolino, J. Afonso, C. J. Evans, H. Flores, S. Lilly et al. (including: M. Abreu, S. Amarantidis, J. Brinchmann, F. Buitrago, A. Cabral, L. S. M. Cardoso, J. Coelho, J. M. Gomes, A. Humphrey, I. Matute, H. Messias, A. Oliveira, P. Papaderos, C. Pappalardo, P. Santos, I. Tereno)
MOONS: The New Multi-Object Spectrograph for the VLT
The Messenger, 180, 10-17
2020 junho
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L. Bisigello, U. Kuchner, C. J. Conselice, S. Andreon, M. Bolzonella, P.-A. Duc, B. Garilli, A. Humphrey, C. Maraston, M. Moresco et al. (including: J. Brinchmann, I. Tereno)
Euclid: the selection of quiescent and star-forming galaxies using observed colours
Monthly Notices of the Royal Astronomical Society, 494, 2, 2337-2354
2020 maio
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A. C. Deshpande, T. D. Kitching, V. F. Cardone, P. L. Taylor, S. Casas, S. Camera, C. Carbone, M. Kilbinger, V. Pettorino, Z. Sakr et al. (including: I. Tereno)
Euclid: The reduced shear approximation and magnification bias for Stage IV cosmic shear experiments
Astronomy & Astrophysics, 636, A95
2020 abril
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D. Hidalgo, E. Pallé, R. Alonso, D. Gandolfi, M. Fridlund, G. Nowak, R. Luque, T. Hirano, A. B. Justesen, W. D. Cochran et al. (including: P. Figueira)
Three planets transiting the evolved star EPIC 249893012: a hot 8.8-M⊕ super-Earth and two warm 14.7 and 10.2-M⊕ sub-Neptunes
Astronomy & Astrophysics, 636, A89
2020 abril
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N. Astudillo-Defru, R. Cloutier, S. X. Wang, J. Teske, R. Brahm, C. Hellier, G. R. Ricker, R. K. Vanderspek, D. W. Latham, S. Seager et al. (including: P. Figueira, N. C. Santos)
A hot terrestrial planet orbiting the bright M dwarf L 168-9 unveiled by TESS
Astronomy & Astrophysics, 636, A58
2020 abril
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A. Antoniadis-Karnavas, S. G. Sousa, E. Delgado Mena, N. C. Santos, G. D. C. Teixeira, V. Neves
ODUSSEAS: a machine learning tool to derive effective temperature and metallicity for M dwarf stars
Astronomy & Astrophysics, 636, A9
2020 abril
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Euclid Collaboration, P. Paykari, T. D. Kitching, H. Hoekstra, R. Azzollini, V. F. Cardone, M. Cropper, C. A. J. Duncan, A. Kannawadi, L. Miller et al. (including: J. Brinchmann, A. C. da Silva, I. Tereno)
Euclid preparation. VI. Verifying the performance of cosmic shear experiments
Astronomy & Astrophysics, 635, A139
2020 março
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D. Ehrenreich, C. Lovis, R. Allart, M. R. Zapatero-Osorio, F. Pepe, S. Cristiani, R. Rebolo López, N. C. Santos, F. Borsa, O. Demangeon et al. (including: S. G. Sousa, M. Abreu, V. Zh. Adibekyan, A. Cabral, J. P. Coelho, P. Figueira, C. J. A. P. Martins, M. A. Monteiro, M. J. P. F. G. Monteiro, N. J. Nunes, P. Santos, H. M. Tabernero)
Nightside condensation of iron in an ultrahot giant exoplanet
Nature, 580, 7805, 597-601
2020 março
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J. P. Faria, V. Zh. Adibekyan, E. M. Amazo-Gómez, S. C. C. Barros, J. D. Camacho, O. Demangeon, P. Figueira, A. Mortier, M. Oshagh, F. Pepe et al. (including: N. C. Santos, J. Gomes da Silva, A. R. Costa Silva, S. G. Sousa, S. Ulmer-Moll, P. T. P. Viana)
Decoding the radial velocity variations of HD 41248 with ESPRESSO
Astronomy & Astrophysics, 635, A13
2020 março
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S. Hoyer, P. Guterman, O. Demangeon, S. G. Sousa, M. Deleuil, J. C. Meunier, J. C. Meunier, W. Benz
Expected performances of the Characterising Exoplanet Satellite (CHEOPS). III. Data reduction pipeline: architecture and simulated performances
Astronomy & Astrophysics, 635, A24
2020 março
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L. D. Nielsen, D. Gandolfi, D. J. Armstrong, J. S. Jenkins, M. Fridlund, N. C. Santos, F. Dai, V. Zh. Adibekyan, R. Luque, J. H. Steffen et al. (including: S. C. C. Barros, O. Demangeon, S. Hojjatpanah, S. G. Sousa)
Mass determinations of the three mini-Neptunes transiting TOI-125
Monthly Notices of the Royal Astronomical Society, 492, 4, 5399-5412
2020 março
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M. Baratella, V. D'Orazi, G. Carraro, S. Desidera, S. Randich, L. Magrini, V. Zh. Adibekyan, R. Smiljanic, L. Spina, M. Tsantaki et al. (including: S. G. Sousa, E. Delgado Mena)
The Gaia-ESO Survey: a new approach to chemically characterising young open clusters. I. Stellar parameters, and iron-peak, α-, and proton-capture elements
Astronomy & Astrophysics, 634, A34
2020 fevereiro
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B. Wehbe, A. Cabral, J. H. C. Martins, P. Figueira, N. C. Santos, G. Avila
The impact of atmospheric dispersion in the performance of high-resolution spectrographs
Monthly Notices of the Royal Astronomical Society, 491, 3, 3515-3522
2020 janeiro
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F. Pepe, S. Cristiani, R. Rebolo López, N. C. Santos, H. Dekker, A. Cabral, P. Di Marcantonio, P. Figueira, G. Lo Curto, C. Lovis et al. (including: V. Zh. Adibekyan, S. C. C. Barros, J. Coelho, O. Demangeon, J. P. Faria, C. J. A. P. Martins, M. A. Monteiro, M. J. P. F. G. Monteiro, J. M. Rebordão, P. Santos, S. G. Sousa, H. M. Tabernero)
ESPRESSO at VLT. On-sky performance and first results
Astronomy & Astrophysics, 645, A96
2020 janeiro
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P. Bonifacio, P. Molaro, V. Zh. Adibekyan, D. Aguado, Y. Alibert, C. Allende Prieto, E. Caffau, S. Cristiani, G. Cupani, P. Di Marcantonio et al. (including: P. Figueira, C. J. A. P. Martins, N. J. Nunes, N. C. Santos, S. G. Sousa)
ESPRESSO highlights the binary nature of the ultra-metal-poor giant HE 0107−5240
Astronomy & Astrophysics, 633, A129
2020 janeiro
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N. C. Santos, E. A. S. Cristo, O. Demangeon, M. Oshagh, R. Allart, S. C. C. Barros, F. Borsa, V. Bourrier, N. Casasayas-Barris, D. Ehrenreich et al. (including: J. P. Faria, P. Figueira, J. H. C. Martins, H. M. Tabernero, V. Zh. Adibekyan, A. Cabral, C. J. A. P. Martins, N. J. Nunes, S. G. Sousa)
Broadband transmission spectroscopy of HD 209458b with ESPRESSO: evidence for Na, TiO, or both
Astronomy & Astrophysics, 644, A51
2020 janeiro
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M. Franchini, C. Morossi, P. Di Marcantonio, M. Chavez, V. Zh. Adibekyan, A. Bayo, T. Bensby, A. Bragaglia, F. Calura, S. Duffau et al. (including: E. Delgado Mena, S. G. Sousa)
The Gaia-ESO Survey: Carbon Abundance in the Galactic Thin and Thick Disks
The Astrophysical Journal, 888, 2
2020 janeiro
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N. Espinoza, R. Brahm, T. Henning, A. Jordán, C. Dorn, F. Rojas, P. Sarkis, D. Kossakowski, M. Schlecker, M. R. Díaz et al. (including: V. Zh. Adibekyan, S. C. C. Barros, O. Demangeon, N. C. Santos, S. G. Sousa)
HD 213885b: a transiting 1-d-period super-Earth with an Earth-like composition around a bright (V = 7.9) star unveiled by TESS
Monthly Notices of the Royal Astronomical Society, 491, 2, 2982-2999
2020 janeiro
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Faculdade de Ciências da Universidade de Lisboa Universidade do Porto Faculdade de Ciências e Tecnologia da Universidade de Coimbra
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