Unidades de Investigação (avaliadas e financiadas pela FCT) e período de pertença:

• Centro de Investigação da Terra e do Espaço da Universidade de Coimbra (desde Janeiro de 2015)
• Centro de Geofísica da Universidade de Coimbra (2013-2014)
• Centro de Física Computacional da Universidade de Coimbra (2008-2012)
• Grupo de Astrofísica da Universidade de Coimbra (2004-2007)

 

Áreas de investigação

Astronomia. Formação e evolução das estrelas. Modelos internos de estrelas. Física Solar. História da Astronomia em Portugal.

 

Publicações científicas 

(R: publicação em revista com comissão de leitura; C: comunicação em conferência; BC: capítulos de livros; D: publicação de dados).

2024

D: Solar Flare Catalog - Plutino Extension, N. Plutino et al. in A new catalogue of solar flare events from soft X-ray GOES signal in the period 1986–2020, 71(4), 2048-2058, ISSN: 0273-1177 (link)

2023

C: Helium to metal enrichment rate DY/DZ: a discussion, J. Fernandes, meeting “A life devoted to stellar populations”, El Puerto de La Cruz, Tenerife, 2-6 October 2023 (link)

2022

R: “The European Solar Telescope”, C. Quintero Noda et al., Astronomy and Astrophysics, 666, A21 (link)

C: A Revised Database of CME Characteristics from In-situ and Remote Observations,Chierichini, S. et al.., AGU Fall Meeting 2022, held in Chicago, IL, 12-16 December 2022 (link)

C: A Monte Carlo Markov Chain Approach to the Probabilistic Drag Based Model for Coronal Mass Ejection Propagation, Chierichini, S. et al., AGU Fall Meeting 2022, held in Chicago, IL, 12-16 December 2022 (link)

2021

R: “Testing the accuracy of Coimbra Astronomical Observatory solar filament historical series (1929-1941)”, Lourenço, A., Gafeira, R., Bonifacio, V., Barata, T., Fernandes, J., Silva, E., Solar Physics, 296, 155 (link)

R: “Relating 27-day Averages of Solar, Interplanetary Medium Parameters and Geomagnetic Activity Proxies in Solar Cycle 24”, Castillo, Y; Pais, M.A.; Fernandes, J.; Ribeiro, P.; Morozova, A.L.; Pinheiro, F.J.G., Solar Physics, Solar Physics 296, 115 (link)

R: “Revisiting the mass/radius-luminosity relations for FGK main sequence stars”, Fernandes, J.; Gafeira, R., Andersen, J., Astronomy and Astrophysics, 647, A90(link)

2020

BC: Interdisciplinaridade: da Terra ao Espaço, Fernandes, J., Fernandes, J.L., in I. Abrantes, P. M. Callapez, G. P. Correia, E. Gomes, B. Lopes, F. C., Lopes, E. Pires, & A. Rola (Eds.). Uma visão holística da Terra e do Espaço nas suas vertentes naturais e humanas. Homenagem à Professora Celeste Romualdo Gomes. Coimbra: CITEUC - Centro de Investigação da Terra e do Espaço da Universidade de Coimbra, DOI: 10.5281/zenodo.4410725 (link)

BC: From geomagnetic observations at COI to GICs in the Portuguese power system network, Pinheiro, F.; Ribeiro, J.; Pais, M.A.; Ribeiro, P.; Morozova, A.; Santos, F.; Fernandes, F.; Francisco, C., in I. Abrantes, P. M. Callapez, G. P. Correia, E. Gomes, B. Lopes, F. C., Lopes, E. Pires, & A. Rola (Eds.). Uma visão holística da Terra e do Espaço nas suas vertentes naturais e humanas. Homenagem à Professora Celeste Romualdo Gomes. Coimbra: CITEUC - Centro de Investigação da Terra e do Espaço da Universidade de Coimbra, DOI: 10.5281/zenodo.4409272 (link).

R: “Asteroseismology of solar-type stars: systematics from initial helium abundance on the inferred stellar parameters”, Nsamba, B.; Moedas, N.; Campante, T.; Cunha, M. S.; Suárez, J. C.; Monteiro, M.; García Hernández, A.; Fernandes, J.; Jiang, C.; Akinsanmi, B.,Monthly Notices of the Royal Astronomical Society 500, 54 (link)

R: José Monteiro da Rocha and his 1782 work on the determination of comet orbits, Figueiredo, F., e Fernandes, J., Journal of History of Astronomy 51, 4 (link)

BC: DOPPLER: Development of PALOP Knowledge in Radio Astronomy, Ribeiro Valério et. (+20 autores), Portuguese SKA White Book, p 157-162, Ed. UA Editora – Universidade de Aveiro (link)

2019

R: Neural Network Forecast of the Sunspot Butterfly Diagram, Covas, E.; Peixinho, N.; Fernandes, J., Solar Physics 294, 24 (link)

2018

R: Sunspot Catalogue of the Observatory of the University of Coimbra (1929-1941), Carrasco, V.M.S.; Vaquero, J.M.; Gallego, M.C.; Lourenço, A.; Barata, T., Fernandes, J.; Solar Physics 293, 153 (link)

R: Software tool for automatic detection of solar plages in the Coimbra Observatory spectroheliograms, Barata, T.; Carvalho, S.; Dorotovič, I.; Pinheiro, F.J.G.; Garcia, A.; Fernandes, J., Lourenço, A.M.T., Astronomy and Computing 24, 70 (link)

2017 

R: Geomagnetic activity at Northern Hemisphere's mid-latitude ground stations: How much can be explained using TS05 model, Castillo, Y.; Pais, M.A.; Fernandes, J.; Ribeiro, P., Morozova, A.L.,; Pinheiro, F.J.G., Journal of Atmospheric and Solar-Terrestrial Physics, 165–166, 38 (link)

2016

R: Comparison of Space Weather Services Activity scales and forecasts, Pinheiro, F.J.G.; Barata, T.; Fernandes, J.; Journal of Computational Interdisciplinary Sciences 7(2), 3 (link)

D: Hourly values of X, Y and Z geomagnetic components recorded at the Coimbra magnetic station (IAGA code: COI) for 2007 to 2014. Dataset #863008, Castillo, Y. S.; Pais, M. A.; Ribeiro, P.; Morozova, A. L.; Fernandes, J.; Pinheiro, F. J. G. (link)

2015

D: VizieR Online Data Catalog: Mass estimation for FGK stars (Pinheiro+ 2014), Pinheiro, F. J. G.; Fernandes, J.; Cunha, M. S.; Monteiro, M. J. P. F. G.; Santos, N. C.; Sousa, S. G.; Marques, J. P.; Fang, J.-J.; Mortier, A.; Sousa, J. (link)

R: Best Pair of Two Skew Lines over the Octonions, Saraiva, P.; Beites, P.D.; Fernandes, J.; Costa, C.; Vitória, J., Advances in Applied Clifford Algebras  25, 657 (link)

BC: Du Soleil aux étoiles et réciproquement in "Dans le champ solaire. Cartographie d'un objet scientifique", Fernandes, J., Coord. S. Le Gars e G. Boistel, Ed. Hermann, p. 89-99 (link)

2014

R: On the mass estimation for FGK stars: comparison of several methods, Pinheiro, F. J. G.; Fernandes, J.; Cunha, M. S.; Monteiro, M. J. P. F. G.; Santos, N. C.; Sousa, S. G.; Marques, J. P.; Fang, J.-J.; Mortier, A.; Sousa, J., Monthly Notices of the Royal Astronomical Society 445, 2223 (link)

C:Modelling convection mixing length parameter from observations of FGK binary stars, Fernandes, J., EAS Publications Series 64, p. 95-102 (link)

R:North and South Hemispheric Solar Activity for Cycles 21 - 23: Asymmetry and Conditional Volatility of Plage Region Areas, Gonçalves, E.; Mendes-Lopes, N.; Dorotovič, I.; Fernandes, J.; Garcia, A, Solar Physics 289, 2283 (link)

R:Temporal Evolution of Sunspot Areas and Estimation of Related Plasma Flows, Gafeira, R.; Fonte, C. C.; Pais, M. A.; Fernandes, J., Solar Physics 289, 1531 (link)

R:Li depletion in solar analogues with exoplanets: Extending the sample, Delgado Mena, E.; Israelian, G.; González Hernández, J. I.; Sousa, S. G.; Mortier, A.; Santos, N. C.; Adibekyan, V. Zh.; Fernandes, J.; Rebolo, R.; Udry, S.; Mayor, M., Astronomy & Astrophysics  562, 17 (link)

2013

C: Sun4all - Scientific tool for classroom to help to discover the cosmos, Esperança, T.; Fernandes, J., in Discover the Cosmos Conference: e-infrastructure for an Engaging Science Classroom, Volos (Greece), 2 a 4 de Agosto, p. 89-96 (link)

R:New and updated stellar parameters for 90 transit hosts. The effect of the surface gravity, Mortier, A.; Santos, N. C.; Sousa, S. G.; Fernandes, J. Adibekyan, V. Zh.; Delgado Mena, E.; Montalto, M.; Israelian, G., Astronomy & Astrophysics 558, id.A106 (link)

R:On the (non-)universality of the mixing length parameter, Pinheiro, F. J. G.; Fernandes, J., Monthly Notices of the Royal Astronomical Society 433, 2893 (link)

BC:Francisco Miranda da Costa Lobo na vanguarda do cinema astronómico internacional, Bonifácio, V.; Malaquias, I.; Fernandes, J., História da Ciência Luso-Brasileira: Coimbra entre Portugal e o Brasil, Ed. Imprensa da Universidade de Coimbra, p. 267-277 (link)

C:Variation rate of sunspot area, Gafeira, R.; Fonte, C. C.; Pais, M. A.; Fernandes, J., Memorie della Societa Astronomica Italiana 84, 428 (link)

C:Growth and decay of ARs: Sunspot areas with Fuzzy Sets + SDO, Gafeira, R.; Fonte, C. C.; Pais, M. A.; Fernandes, J., 21st National Solar Physics Meeting, Stará Turá, Slovakia, June 2012, 2p (link)

2012

BC:Mathematics and Interdisciplinarity: Outreach Activities at the University of Coimbra. Fernandes, J.; Fiolhais, C.; Simões, C., In: Behrends E., Crato N., Rodrigues J. (eds) Raising Public Awareness of Mathematics. Springer, Berlin, Heidelberg, p. 241-254 (link)

R:Modeling binary stars: age, helium abundance, and convection parameters, Fernandes, J.; Vaz, A.I.F.; Vicente; L.N., Monthly Notices Royal Astronomy Society 425, 3104 (link)

R: Mass-luminosity relation for FGK main sequence stars: metallicity and age contributions, Gafeira, R.; Patacas, C.; Fernandes, J., Astrophysics and Space Science 341, 405 (link)

R: Application of Neural Networks to the study of stellar model solution, Pinheiro, F. J. G.; Simas, T.; Fernandes, J.; Ribeiro, R., New Astronomy 17, 629 (link)

C:Li and Be Depletion in Stars with Exoplanets?  Delgado Mena, E.; Israelian, G.; González Hernández, J. I.; Rebolo, R.; Santos, N. C.; Sousa, S. G.; Fernandes, J., in Interacting Binaries to Exoplanets: Essential Modeling Tools, Proceedings of the International Astronomical Union. Edited by M. T. Richards and I. Hubeny, IAU Symposium 282, p. 466-467 (link)

R: Lost siblings of the Sun: revisiting the FGK potential candidates. Batista, S.F.A.; Fernandes, J., New Astronomy 17, 214 (link)

2011

C: O astrónomo amador João de Moraes Pereira e a determinação telegráfica da longitude da cidade da Horta, Bonifácio, V.; Malaquias, I.; Fernandes, J., Actas V Colóquio “O Faial e a periferia Açoriana nos séculos XV a XX”, p. 111-137 (link)

C: Lithium Depletion is Solar Type stars: Lithium and planet presence, Sousa, S. G.; Santos, N. C.; Israelian, G.; Delgado Mena, E.; Fernandes, J.; Mayor, M.; Udry, S.; Domínguez Cerdeña, C.; Rebolo, R.; Randich, S., 16th Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun. ASP Conference Series, Vol. 448, proceedings of a conference held August 28- September 2, 2010 at the University of Washington, Seattle, Washington. Edited by Christopher M. Johns-Krull, Matthew K. Browning, and Andrew A. West. San Francisco: Astronomical Society of the Pacific, 2012, p. 81-90 (link)

R: Modeling nearby FGK Population I stars: A new form of estimating stellar parameters using an optimization approach. Fernandes, J.; Vaz, A. I. F.; Vicente, L. N., Astronomy and Astrophysics 532, 20 (link)

R: Evaluating the Impact of the International Year of Astronomy 2009 in Portugal; Frade, A.; Doran, R.; Fernandes, J., Communicating Astronomy with the Public Journal 11, 35 (link)

2010

R: João de Moraes Pereira (1855-1908): The first Portuguese member of the British Astronomical Association, Bonifácio, V.; Malaquias, I.; Fernandes, J., Journal of the British Astronomical Association 120, 101 (link)

R: The first astronomical hypothesis based on cinematographical observations: Costa Lobo's 1912 evidence for polar flattening of the moon. Bonifácio, V.; Malaquias, I.; Fernandes, J., Journal of Astronomical History and Heritage 13, 159 (link)

R: Higher depletion of lithium in planet host stars: no age and mass effect, Sousa, S. G.; Fernandes, J.; Israelian, G.; Santos, N. C., Astronomy and Astrophysics 512, id.L5 (link)

R: Asteroseismology and the degeneracy of model solutions for subgiant stars, Pinheiro, F. J. G.; Fernandes, J., Astrophysics and Space Science 328, 73 (link)

2009

R: Taking Internal Advantage of External Events - Two Astronomical Examples. From Nineteenth Century Portugal, Bonifácio, V.; Malaquias, I.; Fernandes, J., Centaurus Jornal 51, 213 (link)

C: Experiential learning in Science: getting the laboratory inside the classroom using the Web, de Almeida, A. M.; Pascoal, M.; Fernandes, J.; Pereira, S., ICALT: 2009 International Conference on Advanced Learning Technologies, Editor(s): Aedo, I; Chen, NS; Sampson, D; Zaitseva, L; Kinshunk, X, p. 327-328 (link)

R: Application of Fuzzy Sets to the Determination of Sunspot Areas, Fonte, C. C.; Fernandes, J., Solar Physics 260, 21 (link)

R: A homogeneous spectroscopic analysis of host stars of transiting planets Ammler-von Eiff, M.; Santos, N. C.; Sousa, S. G.; Fernandes, J.; Guillot, T.; Israelian, G.; Mayor, M.; Melo, C., Astronomy and Astrophysics 507, 523 (link)

R: The Troughton & Simms transit circle of Coimbra Astronomical Observatory from the 1850s: An example of the dissemination of technological developments, Bonifácio, V.; Malaquias, I.; Fernandes, J., Astronomische Nachrichten 330, 544 (link)

2008

C: IYA2009 in Portugal, Fernandes, J.; Doran, R.; Pires, F.; Ferreira, M.; Pedrosa, A., in Communicating Astronomy with the Public 2007: Proceedings from the IAU/National Observatory of Athens/ESA/ESO Conference, Athens, Greece, 8-11 October 2007, Christensen L. L., Zoulias M. & Robson, I. (eds.). Published by Eugenides Foundation, p. 430-431 (link)

C: Asteroseismic observations and modelling of 70 Ophiuchi AB, Eggenberger, P.; Miglio, A.; Carrier, F.; Fernandes, J.; Santos, N. C., Journal of Physics: Conference Series 118, id. 012053, 6p (link)

R: Grids of stellar evolution models for asteroseismology (CESAM + POSC), Marques, J. P.; Monteiro, M. J. P. F. G.; Fernandes, J., Astrophysics and Space Science 316, 173 (link)

C: An early Troughton & Simms transit circle with the interior illumination shown at the 1851 Great London Exhibition, Bonifácio, V.; Malaquias, I.; Fernandes, J., Bulletin of the Scientific Instrument Society 99, 27 (link)

R: Analysis of 70 Ophiuchi AB including seismic constraints, Eggenberger, P.; Miglio, A.; Carrier, F.; Fernandes, J.; Santos, N. C., Astronomy and Astrophysics 482, 631 (link)

R: Ernesto Vasconcellos' Astronomia Photographica: the earliest popular book on astronomical photography? Bonifácio, V.; Malaquias, I.; Fernandes, J., Journal of Astronomical History and Heritage 11, 116 (link)

C: Reacting to external events – solar eclipses as catalysts of the Portuguese astronomical development in the second half of the nineteenth century, Bonifácio, V.; Malaquias, I.; Fernandes, J., In The Global and the Local: The History of Science and the Cultural Integration of Europe, 2nd International Conference of the European Society for the History of Science, p. 670-674 (link)

2007

R: Solar Photography in the Nineteenth Century: the Case of the Infante D. Luiz Observatory in Lisbon (1871-1880), Bonifácio, V.; Malaquias, I.; Fernandes, J., Journal of Astronomical History and Heritage 10, 101 (link)

C: COSIS: Coimbra Observatory Solar Information System, Dorotovic, I.; Fernandes, J.; Fonseca, J. M.; Mora, A.; Moreira, C.; Ribeiro, R. A., in The Physics of Chromospheric Plasmas, Proceedings of the Workshop held 9-13 October 2006 in Coimbra. Edited by P. Heinzel, I. Dorotovic and R. Rutten. ASP Conference Series 368, p. 523-526 (link)

R: The `666' collaboration on OGLE transits: I. Accurate radius of the planets OGLE-TR-10b and OGLE-TR-56b with VLT deconvolution photometry, Pont, F.; Moutou, C.; Gillon, M.; Udalski, A.; Bouchy, F.; Fernandes, J.; Gieren, W.; Mayor, M.; Mazeh, T.; Minniti, D.; Melo, C.; Naef, D.; Pietrzynski, G.; Queloz, D.; Ruiz, M. T.; Santos, N. C.; Udry, S., Astronomy and Astrophysics 465, 1069 (link)

2006

C: Trying to start up the astrophysics research in Coimbra in the 1870’s. The difficult move from the classroom to the Observatory. Bonifácio, V.; Malaquias, I.; Fernandes, J., In A. Breda, R. Duarte, and M. Martins, editors, Proceedings of the International Conference in Mathematics, Sciences and Science Education, p. 7-15 (link)

BC: Repport on the COROT Evolution and Seismic tools activity, Monteiro, M.J.P.F.G. et al. (+ 26 autores), "The CoRoT Mission", (Eds) M. Fridlund, A. Baglin, J. Lochard & L. Conroy, ESA Publications Division, ESA Spec.Publ. 1306, 363 (link)

C: The 1870 portuguese solar eclipse expedition - a preliminary report, Bonifácio, V.; Malaquias, I.; Fernandes, J., In Past Meets Present in Astronomy and Astrophysics, p. 89-92 (link)

R: On the effect of overshooting as predicted by the modelling of the pre-main sequence evolution of a 2 solar-mass star, Marques, J. P.; Monteiro, M. J. P. F. G.; Fernandes, J., Monthly Notices Royal Astronomy Society 371, 293 (link)

C: Comparaison between Monteiro da Rocha and Wilhelm Olbers methods for the determination of the obrbits of comets, Figueiredo, F.B. & Fernandes, J., Actas do do XV Encontro Nacional de Astronomia e Astrofísica, 28-30 julho 2005, Lisboa, Portugal. Editado por J. Afonso et al., World Scientific Publishing, Singapura, p. 85-88 (link)

2005

C: Effects of convective overshooting in the PMS evolution of intermediate mass stars, Marques, J. P.; Monteiro, M. J. P. F. G.; Fernandes, J., Proceedings of the 13th Cambridge Workshop on Cool Stars, Stellar Systems and the Sun, held 5-9 July, 2004 in Hamburg, Germany. Edited by F. Favata et al. ESA SP-560, European Space Agency, p. 795-798 (link)

2004

C: Fundamental parameters and stellar evolution, Oblak, E.; Lastennet, E.; Fernandes, J.; Kurpinska-Winiarska, M.; Valls-Gabaud, D., In Spectroscopically and Spatially Resolving the Components of the Close Binary Stars, Proceedings of the Workshop held 20-24 October 2003 in Dubrovnik, Croatia. Edited by R. W. Hidlitch, H. Hensberge and K. Pavlovski. ASP Conference Series 318, p. 175-177 (link)

R: Detailed theoretical models for extra-solar planet-host stars. The ``red stragglers'' HD 37124 and HD 46375, Fernandes, J., Santos, N., Astronomy and Astrophysics 427, 607 (link)

R: The role of the time step and overshooting in the modelling of PMS evolution: The case of EK Cephei, Marques, J.P.; Fernandes, J.; Monteiro, M.J.P.F.G., Astronomy and Astrophysics 422, 239 (link)

2003

B: GAIA and DIVA Photometry: Towards the Fine Structure of the HR Diagram? Ed. Lejeune, T.; Fernandes, J.; Lastennet, E., The Journal of Astronomical Data, Vol. 9 (link)

C: A calibration of EK CEp, Marques, J.P.; Fernandes, J.; Monteiro, M.J.P.F.G., in Open Issues in Local Star Formation. Contents of the CD-ROM: Poster Contributions. Proceedings of the Ouro Preto Colloquium, Brazil, April 5-10, 2003. Edited by Jacques Lépine and Jane Gregorio-Hetem. Astrophysics and Space Science Library, Volume 299. Kluwer Academic Publishers, Dordrecht, 7p (link)

R: Seismic tests to the structure of rapidly oscillating Ap stars: HR1217, Cunha, M. S.; Fernandes, J.; Monteiro, M. J. P. F. G., Monthly Notices Royal Astronomy Society 343, 831 (link)

C: Observational constraints on models of beta Hydri, Fernandes, J.; Monteiro, M, 2003, Asteroseismology Across the HR Diagram. Proceedings of the Asteroseismology Workshop, Porto, Portugal, 1-5 July, 2002. Edited by M.J. Thompson, M.S. Cunha, M.J.P.F.G. Monteiro. Reprinted from Astrophysics and Space Science 284, 513. Kluwer Academic Publishers, Dordrecht, p. 513-516 (link)

R: Disentangling discrepancies between stellar evolution theory and sub-solar mass stars. The influence of the mixing length parameter for the UV Psc binary, Lastennet, E.; Fernandes, J.; Oblak, E.; Valls-Gabaud, D., Astronomy and Astrophysics 409, 611 (link)

R: HR Diagram and asteroseismic analysis of models for beta Hydri, Fernandes, J.; Monteiro, M., 2003, Astronomy and Astrophysics 399, 243 (link)

2002

B: Observed HR Diagrams and Stellar Evolution, ASP Conference Proceedings, Vol. 274. Edited by Thibault Lejeune and João Fernandes. ISBN: 1-58381-116-8. San Francisco: Astronomical Society of the Pacific (link)

R: A calibration of the 85 Peg binary system, Fernandes, J.; Morel, P.; Lebreton, Y., Astronomy and Astrophysics 392, 529 (link)

R: A revised HRD for individual components of binary systems from BaSeL BVRI synthetic photometry. Influence of interstellar extinction and stellar rotation, Lastennet, E.; Fernandes, J.; Lejeune, Th., Astronomy and Astrophysics 388, 309 (link)

C: Seismic Tests of Theoretical Models of HR 1217, Cunha, M. S.; Fernandes, J.; Monteiro, M. J. P. F. G., Radial and Nonradial Pulsations as Probes of Stellar Physics, ASP Conference Proceedings, Vol. 259. Edited by Conny Aerts, Timothy R. Bedding, and Jørgen Christensen-Dalsgaard, IAU Colloquium 185. San Francisco: Astronomical Society of the Pacific, p. 302-303 (link)

C: Measuring the main sequence spread: a new mathematical approch, Fernandes, J.; Ferreira, J.A.; Patrício, M.F., in ASP Conference Series 274, proceedings of "Observed HR diagrams and stellar evolution: the interplay between observational constraints and theory" (Coimbra, Portugal, June 2001), eds., T. Lejeune & J. Fernandes, p. 205-209 (link)

C: Significant discrepancies between stellar evolution models and solar-type eclipsing and visual binaries ? Lastennet, E.; Fernandes, J.; Oblak, E.; Valls-Gabaud, D., in ASP Conference Series 274, proceedings of "Observed HR diagrams and stellar evolution: the interplay between observational constraints and theory" (Coimbra, Portugal, June 2001), eds., T. Lejeune & J. Fernandes, p. 214-217 (link)

C: What can we learn from binaries in clusters? The example of the Hyades, Lebreton, Y.; Fernandes, J.; Lejeune, T., in ASP Conference Series 274, proceedings of "Observed HR diagrams and stellar evolution: the interplay between observational constraints and theory" (Coimbra, Portugal, June 2001), eds., T. Lejeune & J. Fernandes, p. 218-221 (link)

C: Asteroseimic analysis of the structure of HR 1217, Cunha M.M.S; Fernandes J.; Monteiro M.J.P.F.G, in ASP Conference Series 274, proceedings of "Observed HR diagrams and stellar evolution: the interplay between observational constraints and theory" (Coimbra, Portugal, June 2001), eds., T. Lejeune & J. Fernandes, p. 90-94 (link)

2001

R: The helium content and age of the Hyades: Constraints from five binary systems and Hipparcos parallaxes, Lebreton, Y.; Fernandes, J.; Lejeune, T., Astronomy and Astrophysics 374, 540 (link)

C: Helium-to-Metal Enrichment Ratio: Determinations on the Hertzsprung-Russel Diagram after Hipparcos, Fernandes, J., Astronomy and astrophysics : recent developments, Proceedings of the 10th Portuguese meeting, CENTRA, Lisbon, Portugal, 27-28 July 2000 Singapore: World Scientific Publishing, 2001. Edited by Jose P.S. Lemos, Ana M. Mourao, Luis Teodoro, and Roberto Ugoccioni, p.149-154 (link)

2000

C: The (log T_{eff}, M_{bol} diagram of metal-poor stars with Hipparcos parallaxes : comparison with theoretical isochromes using NLTE iron abundances, Cayrel, R.; Perrin, M.-N.; Lebreton, Y.; Baglin, A.; Fernandes, J., The Galactic Halo : From Globular Cluster to Field Stars, Proceedings of the 35th Liege International Astrophysics Colloquium, held 5-8 July, 1999. Edited by A. Noels, P. Magain, D. Caro, E. Jehin, G. Parmentier, and A. A. Thoul. Liege, Belgium: Institut d'Astrophysique et de Geophysique, p. 459-465 (link)

C: Os quaterniões no ensino da Astronomia na Engenharia Geográfica: uma primeira aproximação, Aleixo, J. C.; Fernandes, J.; Macedo, C.; Saraiva, P.; Soares, A.J.; Serôdio, R.; Vitória, J., in "II Conferência Nacional de Cartografia e Cadastro", ed. Instituto Português de Cartografia e Cadastro, p. 49-59 (link)

1994-1999

R: The HIPPARCOS HR diagram of nearby stars in the metallicity range: -1.0 < [Fe/H] < 0.3. A new constraint on the theory of stellar interiors and model atmospheres, Lebreton, Y.; Perrin, M.-N.; Cayrel, R.; Baglin, A.; Fernandes, J., 1999, Astronomy and Astrophysics 350, 587 (link)

R: Fundamental stellar parameters for nearby visual binary stars: eta Cas, XI Boo, 70 OPH and 85 Peg. Helium abundance, age and mixing length parameter for low mass stars, Fernandes, J.; Lebreton, Y.; Baglin, A.; Morel, P., 1998, Astronomy and Astrophysics 338, 455 (link)

C: The HR Diagram for Late-Type Nearby Stars as a Function of Helium and Metallicity, Lebreton, Y.; Perrin, M.-N.; Fernandes, J.; Cayrel, R.; Cayrel de Strobel, G.; Baglin, A., 1997, ESASP 402, p. 379-382 (link)

R: On the width of the theoretical, lower main sequence. Consequences for the determination of the DY/DZ ratio in the solar neighbourhood, Fernandes, J.; Lebreton, Y.; Baglin, A., 1996, Astronomy and Astrophysics 311, 127 (link)

C: The mixing length parameter, alpha, for low-mass stars, Fernandes, J.; Lebreton, Y.; Baglin, A., 1996, “Cool stars; stellar systems; and the sun: 9”, Astronomical Society of the Pacific Conference Series, volume 109; Proceedings of the 9th Cambridge workshop; held 3-6 October 1995 in Florence; Italy; San Francisco: Astronomical Society of the Pacific (ASP); edited by Roberto Pallavicini and Andrea K. Dupree, p.565-566 (link)

C: Convection Treatment in Solar Type Stars, Neuforge, C.; Fernandes, J.; Noels, A.; Grevesse, N.; Baglin, A., 1995, Stellar Evolution: What Should be Done, Proceedings of the 32nd Liège International Astrophysical Colloquium held 3-5 July, 1995. Edited by A. Noels, D. Fraipont-Caro, M. Gabriel, N. Grevesse, and P. Demarque. Liege: Universite de Liege, Institut d'Astrophysique, p. 207-211 (link)

C: Modelling Nearby Visual Binary Stars : eta Cas, Fernandes, J.; Lebreton, Y.; Baglin, A.; Morel, P.; Cassisi, S., 1995, Stellar Evolution: What Should be Done, Proceedings of the 32nd Liège International Astrophysical Colloquium held 3-5 July, 1995. Edited by A. Noels, D. Fraipont-Caro, M. Gabriel, N. Grevesse, and P. Demarque. Liege: Universite de Liege, Institut d'Astrophysique, p. 407-411 (link)

BC: Calibration of α Centauri and the uniqueness of the mixing length, Fernandes, J.; Neuforge, C.; Noels, A.; Baglin, A., 1995, Meeting in honour of Evry Schatzman: Physical processes in astrophysics, Lecture Notes in Physics 458, p. 233-238 (link)

R: {alpha} Centauri and convection theories, Fernandes, J.; Neuforge, C., 1995, Astronomy and Astrophysics 295, 678 (link)

C: Accurate Parallaxes and Stellar Ages Determinations, 1995, Lebreton, Y.; Michel, E.; Goupil, M. J.; Baglin, A.; Fernandes, J., IAUS 166, p. 135-142 (link)

C: The HIPPARCOS mission and tests for the equation of state, Baglin, A.; Fernandes, J., 1994, The equation of state in astrophysics, Proceedings of IAU Colloquium No. 147, held in Saint-Malo, France, 14-18 June 1993, Cambridge: Cambridge University Press, 1994, edited by Gilles Chabrier and Evry Schatzman, Evry, p.517-524  (link)

 

Impacto da investigação:

- Número total de artigos em revistas com comissão de leitura: 51

- Fator de impacto 2022 das revistas em que foram publicados artigos (Clarivate):

• Advances in Applied Clifford Algebras (1 artigo): 1.5
• Astronomy and Astrophysics (20 artigos): 6.5
• Astronomy and Computing (1 artigo): 2.5
• Astronomische Nachrichten (1 artigo): 0.9
• Astrophysics and Space Science (3 artigos): 1.9
• Centaurus Journal (1 artigo): 0.200
• Communicating Astronomy with the Public Journal (1 artigo): revista sem IF
• Journal of Astronomical History and Heritage (3 artigos): 0.94 (fonte: Scopus)
• Journal of Atmospheric and Solar-Terrestrial Physics (1 artigo): 1.9
• Journal of the British Astronomical Association (1 artigo): revista sem IF
• Journal of Computational Interdisciplinary Sciences (1 artigo): 1.29 (PACIS, fonte JCIS)
• Journal for the History of Astronomy (1 artigo): 0.4
• Monthly Notices of the Royal Astronomy Society (6 artigos): 4.8
• New Astronomy (2 artigos): 2.0
• Solar Physics (7 artigos): 2.8

- Número de artigos em revistas do 1º quartil da área “Astronomy and Astrophysics”: 26

- Nº total de citações (Scopus): 887

- h-index (Scopus): 16

- Cinco artigos mais citados (Scopus):

• The helium content and age of the Hyades: Constraints from five binary systems and Hipparcos parallaxes, 2001, Lebreton, Y.; Fernandes, J.; Lejeune T.: 89 citações
• Li depletion in solar analogues with exoplanets: Extending the sample, Delgado Mena, E.; Israelian, G.; González Hernández, J. I.; Sousa, S. G.; Mortier, A.; Santos, N. C.; Adibekyan, V. Zh.; Fernandes, J.; Rebolo, R.; Udry, S.; Mayor, M.: 84 citações
• New and updated stellar parameters for 90 transit hosts. The effect of the surface gravity, 2013, Mortier, A.; Santos, N. C.; Sousa, S. G.; Fernandes, J.; Adibekyan, V. Zh.; Delgado Mena, E.; Montalto, M.; Israelian, G: 79 citações
• Fundamental stellar parameters for nearby visual binary stars: eta Cas, epsilon Boo, 70 Oph and 85 Peg - Helium abundance, age and mixing length parameter for low mass stars, 1998, Fernandes, J.; Lebreton, Y.; Baglin, A.: 52 citações
• A homogeneous spectroscopic analysis of host stars of transiting planets Ammler-von Eiff, M.; Santos, N. C.; Sousa, S. G.; Fernandes, J.; Guillot, T.; Israelian, G.; Mayor, M.; Melo, C., Astronomy and Astrophysics: 47 citações