INVESTIGAÇÃO

Unidades de Investigação (FCT):

  • 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: publicação em actas de conferência; BC: capítulos de livros; B: edição de actas de conferência; D: publicação de dados).

 

2018

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

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

2017

85. 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. and Pinheiro, F. J.G., Journal of Atmospheric and Solar-Terrestrial Physics, 165–166, 38-53 (link)

2016

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

83. D: Castillo, Y. S., Pais, M. A.,; Ribeiro, P., Morozova, A. L., Fernandes, J., Pinheiro, F. J. G., 2016. Hourly values of X, Y and Z geomagnetic components recorded at the Coimbra magnetic station (IAGA code: COI) for 2007 to 2014. Dataset #863008 (DOI registration in progress) (link)

2015

82. D: Pinheiro, F. J. G.; Fernandes, J. M.; 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. (2015). VizieR Online Data Catalog: Mass estimation for FGK stars (Pinheiro+, 2014), VizieR On-line Data (link)

81. R: Best Pair of Two Skew Lines over the Octonions, Saraiva, P.; Beites, P.D.; Fernandes, J.; Costa, C.; and Vitória, J., Advances in Applied Clifford Algebras,  Volume 25, pp 657–672 (link)

80. 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, (link)

2014

79. R: On the mass estimation for FGK stars: comparison of several methods, Pinheiro, F. J. G.; Fernandes, J. M.; 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)

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

77. 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)

76. 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, pdf)

75. 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, pdf)

2013

74. 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 (link)

73. 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. M.; Adibekyan, V. Zh.; Delgado Mena, E.; Montalto, M.; Israelian, G., Astronomy & Astrophysics 558, id.A106 (link, pdf)

72. 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)

71. BC: Francisco Miranda da Costa Lobo na vanguarda do cinema astronómico internacional, V. Bonifácio, I. Malaquias and J. Fernandes, História da Ciência Luso-Brasileira: Coimbra entre Portugal e o Brasil, Ed. Imprensa da Universidade de Coimbra, p. 267. ISBN: 978-989-26-0562-3

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

69. 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 (link, pdf)

2012

68. BC: Mathematics and Interdisciplinarity: Outreach Activities at the University of Coimbra. Fernandes, J.; Fiolhais, C.; Simões, C., in "Raising Public Awareness of Mathematics", Ed. E. Behrends, N. Crato and J.F. Rodrigues, Springer. ISBN: 978-3-642-25709-4 (link)

67. 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)

66. 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, pdf)

65. 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, pdf)

64. 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, 466 (link, pdf)

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

2011

62. 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 (link)

61. 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 (link)

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

59. 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, pdf)

2010

58. 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, pdf)

57. 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, pdf) 

56. 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, pdf)

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

2009

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

53. 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 (link)

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

51. 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, pdf)

50.  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

49. C: IYA2009 in Portugal, Fernandes, J. M.; 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 (link, pdf)

48. 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 (link, pdf)

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

46. 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, pdf)

45. 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, pdf)

44. 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 (pdf)

2007

43. 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, pdf)

42. 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, 523 (link, pdf)

41. 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. M.; 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, pdf)

2006

40. 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

39. 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, pdf)

38. 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 (link)

37. 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, pdf)

36. C: The Eclipsing Binary System V2154 Cyg: Observations and Models, Fernandes, J.; Oblak, E.; Kurpinska-Winiarska, M., Binary Stars as Critical Tools and Tests in Contemporary Astrophysics, International Astronomical Union. Symposium no. 240, held 22-25 August, 2006 in Prague, Czech Republic, S240, #195 (link, pdf)

35. C: COSIS: Coimbra Observatory Solar Information System, Dorotovic, I.; Fernandes, J.; Fonseca, J. M.; Moreira, C.; Ribeiro, R. A., in Solar and Stellar Activity Cycles, 26th meeting of the IAU, Joint Discussion 8, 17-18 August 2006, Prague, Czech Republic, JD08, #47 (link)

34. 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 (link)

2005

33. 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 (link, pdf)

2004

32. C: Fundamental parameters and stellar evolution, Oblak, E.; Lastennet, E.; Fernandes, J.; Kurpinska-Winiarska, M.; Valls-Gabaud, D., 2004, 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, 175 (link, pdf)

31. 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, pdf)

30. 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, pdf)

2003

29. B: GAIA and DIVA Photometry: Towards the Fine Structure of the HR Diagram?, 2003, Ed. Lejeune, T.; Fernandes, J.; Lastennet, E., The Journal of Astronomical Data, Vol. 9 (link, pdf)

28. C: A calibration of EK CEp, J.P.Marques, J. Fernandes, M.J.P.F.G. Monteiro, 2003, 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 (link)

27. R: Seismic tests to the structure of rapidly oscillating Ap stars: HR1217, M.S. Cunha, J.M.M.B. Fernandes, M.J.P.F.G. Monteiro, 2003, Monthly Notices Royal Astronomy Society 343, 831 (link, pdf)

26. 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 (link)

25. R: Disentangling discrepancies between stellar evolution theory and sub-solar mass stars. The influence of the mixing length parameter for the UV Psc binary, E. Lastennet, J. Fernandes, E. Oblak, D. Valls-Gabaud, 2003, Astronomy and Astrophysics 409, 611 (link, pdf)

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

2002

23. B: Observed HR Diagrams and Stellar Evolution, 2002, 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)

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

21. 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, pdf)

20. 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, 2002., p.302 (link, pdf)

19. C: Measuring the main sequence spread: a new mathematical approch, J. 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 (link, pdf)

18. 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 (link, pdf)

17. C: How can we learn from binaries in cluters, 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 (link, pdf)

16. 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 (link, pdf)

2001

15. 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, pdf)

14. 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 (link)

2000

13. 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 (link, pdf)

12. 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

1994-1999

11. 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, pdf)

10. 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, pdf)

9. 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, 379 (link, pdf)

8. 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, pdf)

7. 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 (link, pdf)

6. 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, 233 (link)

5. 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 (link, pdf)

4. 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 (link, pdf)

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

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

1. 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  (link)

 

Impacto da Investigação.

- Número total de artigos em revistas peer-review: 42 (19/10/2018)

- Factor de impacto 2017/2018 das revistas em que foram publicados artigos (fonte: www.scijournal.org):

  • Advances in Applied Clifford Algebras (1 artigo): 1.174
  • Astronomy and Astrophysics (18 artigos): 5.565
  • Astronomy and Computing (1 artigo): 2.754 (2017, fonte AaC)
  • Astronomische Nachrichten (1 artigo): 1.322
  • Astrophysics and Space Science (3 artigos): 1.885
  • Centaurus Journal (1 artigo): 0.111 (2017, fonte CJ)
  • Communicating Astronomy with the Public Journal (1 artigo): revista sem IF
  • Journal of Astronomical History and Heritage (3 artigos): revista sem IF
  • Journal of Atmospheric and Solar-Terrestrial Physics (1 artigo): 1.492 (2017, source JASTP)
  • Journal of the British Astronomical Association (1 artigo): revista sem IF
  • Journal of Computational Interdisciplinary Sciences (1 artigo): revista sem IF
  • Monthly Notices Royal Astronomy Society (4 artigos): 5.194
  • New Astronomy (2 artigos): 0.92
  • Solar Physics (4 artigos): 2.862 (2016)

- Número de artigos em revistas do 1º quartil da área “Astronomy and Astrophysics”: 22 (31/12/16)

- Nº total de citações: 574 (fonte: Scopus 19/10/2018)

- h-index: 14 (fonte: Scopus 19/09/2018)

- Cinco artigos mais citados (fonte: Scopus 19/10/2018):

·         The helium content and age of the Hyades: Constraints from five binary systems and Hipparcos parallaxes, 2001, Lebreton, Y.; Fernandes, J.; Lejeune T.: 61 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. M.; Adibekyan, V. Zh.; Delgado Mena, E.; Montalto, M.; Israelian, G: 47 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.: 44 citações

·         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, 1999, Lebreton, Y.; Perrin, M.-N.; Cayrel, R.; et al.: 42 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.: 42 citações