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Ricardo Jorge Maranhas Gafeira. Completed the Mestrado in Mestrado em Astrofísica e Instrumentação para o Espaço in 2011 by Universidade de Coimbra Faculdade de Ciencias e Tecnologia, Licenciatura in Licenciatura em Física com Menor em Ciências do Espaço in 2009 by Universidade de Coimbra Faculdade de Ciencias e Tecnologia, Doktor (PhD) in Doutoramento em Física in 2018/01/30 by Georg-August-Universität Göttingen and Doktor (PhD) in Doutoramento em Física in 2018/01/30 by Max-Planck-Institut fur Sonnensystemforschung. Published 19 articles in journals. Has 1 section(s) of books. Organized 3 event(s). Participated in 3 event(s). Co-supervised 2 MSc dissertation(s). Has received 1 awards and/or honors. Participates and/or participated as Integration into Research Grant Fellow in 1 project(s), Other in 1 project(s), PhD Student Fellow in 1 project(s), Research Fellow in 2 project(s), Researcher in 2 project(s), Scientific Initiation Fellow in 1 project(s) and Technical development in 1 project(s). Works in the area(s) of Exact Sciences with emphasis on Physical Sciences with emphasis on Astronomy. In their professional activities interacted with 65 collaborator(s) co-authorship of scientific papers. In his curriculum Ciência Vitae the most frequent terms in the context of scientific, technological and artistic-cultural output are: Solar physics; solar observations; spectropolarimetric inversions; image processing; neural networks; .
Identification

Personal identification

Full name
Ricardo Jorge Maranhas Gafeira

Citation names

  • Gafeira, Ricardo
  • R. Gafeira

Author identifiers

Ciência ID
D912-9799-DCB4
ORCID iD
0000-0003-4920-0153

Email addresses

  • gafeira@gmail.com (Professional)
  • gafeira@uc.pt (Professional)

Addresses

  • Observatorio Geofísico e Astronómico de Coimbra, Almas de freire, 3040 - 004, Santa Clara, Coimbra, Portugal (Professional)

Knowledge fields

  • Exact Sciences - Physical Sciences - Astronomy

Languages

Language Speaking Reading Writing Listening Peer-review
Portuguese (Mother tongue)
English Proficiency (C2) Proficiency (C2) Proficiency (C2) Proficiency (C2) Proficiency (C2)
Education
Degree Classification
2014/02/10 - 2018/01/30
Concluded
Doutoramento em Física (Doktor (PhD))
Major in Física Solar
Max-Planck-Institut fur Sonnensystemforschung, Germany

Georg-August-Universität Göttingen, Germany
"Slender Ca II H fibrils observed by SUNRISE/SuFI" (THESIS/DISSERTATION)
2011
Concluded
Mestrado em Astrofísica e Instrumentação para o Espaço (Mestrado)
Major in Solar Physics
Universidade de Coimbra Faculdade de Ciencias e Tecnologia, Portugal
"Solar filaments: Characteristics and Evolution" (THESIS/DISSERTATION)
2009
Concluded
Licenciatura em Física com Menor em Ciências do Espaço (Licenciatura)
Universidade de Coimbra Faculdade de Ciencias e Tecnologia, Portugal
"." (THESIS/DISSERTATION)
2005
Concluded
Agrupamento 1 (Ensino secundário)
Agrupamento de Escolas de Gouveia, Portugal
Affiliation

Science

Category
Host institution
Employer
2020/01/01 - 2025/12/31 Contracted Researcher (Research) Universidade de Coimbra, Portugal
Universidade de Coimbra Centro de Investigação da Terra e do Espaço, Portugal
(...)
2018/03/20 - 2019/12/31 Researcher (Research) Consejo Superior de Investigaciones Científicas, Spain
Instituto de Astrofísica de Andalucía, Spain
2017/12/01 - 2018/02/28 Contracted Researcher (Research) Max-Planck-Institut fur Sonnensystemforschung, Germany
Projects

Grant

Designation Funders
2012 - Current GAIA/ Participation in the National Consortium for Data II
PTDC/CTE-SPA/118692/2010
Research Fellow
Universidade de Coimbra Faculdade de Ciencias e Tecnologia, Portugal
2011 - Current GAIA/ Participation in the National Consortium for Data
PDCTE/CTE-AST/81711/2003
Research Fellow
Universidade de Coimbra Faculdade de Ciencias e Tecnologia, Portugal
2010 - Current Evolution of solar filaments
BII/FCTUC/C2008/CFC
Integration into Research Grant Fellow
Universidade de Coimbra Faculdade de Ciencias e Tecnologia, Portugal
2008 - Current Exploring Kuiper belt - a statistical and compositional characterization to study the formation of the outer Solar System
N/D
Scientific Initiation Fellow
Universidade de Coimbra Faculdade de Ciencias e Tecnologia, Portugal
2014 - 2019/09/30 Slender Ca II H fibrils observed by SUNRISE/SuFI
IMPRS PhD program
PhD Student Fellow

Contract

Designation Funders
2019 - Current IMAX+: Imaging Magnetograph eXperiment
N/D
Researcher

Other

Designation Funders
2019 - Current DIKIST- level 2 data products
N/D
Technical development
2019 - Current DeSIRe- Departure Coefficients Inversion Code
N/D
Researcher
2020 - 2028/12/31 EST Spectropolarimeter Integral Field Unit based on Image slicer
N/D
co-PI
Universidade de Coimbra Observatório Geofísico e Astronómico, Portugal
Outputs

Publications

Book chapter
  1. R. Gafeira. "Do Planeta Terra ao Espaco - Sugestoes de tarefas experimentais para dentro e fora da sala de aula". 2014.
Journal article
  1. Ana Lourenço; R. Gafeira. "Testing the accuracy of Coimbra Astronomical Observatory solar filament historical series (1929-1941)". Solar Physics (2021):
    Under revision
  2. Basilio Cubo; C. Quintero Noda; R. Gafeira; H. Uitenbroek; D. Orozco Sua´rez; E. Pa´ez Man~a´. "DeSIRe: Departure coefficients Stokes Inversion based on Response functions". Astronomy and Astrophysics (2021):
    Under revision
  3. Gafeira, Ricardo; D. Orozco Suárez; I. Milic; C. Quintero Noda; B. Ruiz Cobo; H. Uitenbroek. "Machine Learning initialisation to accelerate Stokes profile inversions". Astronomy & Astrophysics (2021): https://doi.org/10.1051/0004-6361/201936910.
    In press
  4. C. Quintero Noda; P. S. Barklem; Gafeira, Ricardo; B. Ruiz Cobo; M. Collados; M. Carlsson; V. Marti´nez Pillet; et al. "Diagnostic capabilities of spectropolarimetric observations for understanding the solar phenomena". Astronomy & Astrophysics (2021):
    Under revision
  5. Iulia Chifu; Ricardo Gafeira. "3D Solar Coronal Loop Reconstructions with Machine Learning". The Astrophysical Journal Letters (2021): https://doi.org/10.3847/2041-8213/abed53.
    10.3847/2041-8213/abed53
  6. R. Gafeira; João Manuel de Morais Barros Fernandes. "Revisiting the mass/radius-luminosity relations for FGK main sequence stars". Astronomy and Astrophysics (2021):
    Accepted
  7. A. L. Siu-Tapia; L. R. Bellot Rubio; D. Orozco Suárez; R. Gafeira. "Temporal evolution of short-lived penumbral microjets". Astronomy & Astrophysics (2020): https://doi.org/10.1051/0004-6361/202038370.
    10.1051/0004-6361/202038370
  8. Theodosios Chatzistergos; Ilaria Ermolli; Natalie A. Krivova; Sami K. Solanki; Dipankar Banerjee; Teresa Barata; Marcel Belik; et al. "Analysis of full-disc Ca II K spectroheliograms". Astronomy & Astrophysics (2020): https://doi.org/10.1051/0004-6361/202037746.
    10.1051/0004-6361/202037746
  9. A. Siu-Tapia; L. R. Bellot Rubio; D. Orozco Sua´rez; R. Gafeira. "Temporal evolution of short-lived penumbral microjets". Astronomy and Astrophysics (2020):
    Accepted
  10. I. Milic; Gafeira, Ricardo. "Mimicking spectropolarimetric inversions using convolutional neural networks". Astronomy and Astrophysics 644 (2020): https://www.aanda.org/articles/aa/abs/2020/12/aa36537-19/aa36537-19.html.
    Published • 0.1051/0004-6361/201936537
  11. Gafeira, Ricardo. "Analysis of full disc Ca II K spectroheliograms III. Plage area composite series covering 1892-2019". Astronomy & Astrophysics (2020):
    Accepted
  12. R. Gafeira; A. Lagg; S. K. Solanki; S. Jafarzadeh; M. van Noort; P. Barthol; J. Blanco Rodríguez; et al. "Erratum: Morphological Properties of Slender CaII H Fibrils Observed by sunrise II (ApJS 229, 1, 6)". The Astrophysical Journal Supplement Series 230 1 (2017): 11-11. https://doi.org/10.3847%2F1538-4365%2Faa6d71.
    10.3847/1538-4365/aa6d71
  13. R. Gafeira; S. Jafarzadeh; S. K. Solanki; A. Lagg; M. van Noort; P. Barthol; J. Blanco Rodríguez; et al. "Oscillations on Width and Intensity of Slender Ca ii H Fibrils from Sunrise/SuFI". The Astrophysical Journal Supplement Series 229 1 (2017): 7-7. https://doi.org/10.3847%2F1538-4365%2F229%2F1%2F7.
    10.3847/1538-4365/229/1/7
  14. R. Gafeira; A. Lagg; S. K. Solanki; S. Jafarzadeh; M. van Noort; P. Barthol; J. Blanco Rodríguez; et al. "Morphological Properties of Slender Ca ${\rm{II}}$ H Fibrils Observed by Sunrise II". The Astrophysical Journal Supplement Series 229 1 (2017): 6-6. https://doi.org/10.3847%2F1538-4365%2F229%2F1%2F6.
    10.3847/1538-4365/229/1/6
  15. S. Jafarzadeh; S. K. Solanki; R. Gafeira; M. van Noort; P. Barthol; J. Blanco Rodríguez; J. C. del Toro Iniesta; et al. "Transverse Oscillations in Slender Ca ii H Fibrils Observed with Sunrise/SuFI". The Astrophysical Journal Supplement Series 229 1 (2017): 9-9. https://doi.org/10.3847%2F1538-4365%2F229%2F1%2F9.
    10.3847/1538-4365/229/1/9
  16. Carvalho, S.; Pina, P.; Barata, T.; Gafeira, R.; Garcia, A.. "Ground-based Observations of Sunspots from the Observatory of Coimbra: Evaluation of Different Automated Approaches to Analyse its Datasets". (2016): https://ui.adsabs.harvard.edu/#abs/2016ASPC..504..125C.
  17. Gafeira, R.; Fonte, C.C.; Pais, M.A.; Fernandes, J.. "Temporal Evolution of Sunspot Areas and Estimation of Related Plasma Flows". Solar Physics (2013): 1-12. http://www.scopus.com/inward/record.url?eid=2-s2.0-84887385008&partnerID=MN8TOARS.
    10.1007/s11207-013-0440-3
  18. Gafeira, R.; Patacas, C.; Fernandes, J.. "Mass-luminosity relation for FGK main sequence stars: Metallicity and age contributions". Astrophysics and Space Science 341 2 (2012): 405-410. http://www.scopus.com/inward/record.url?eid=2-s2.0-84866447845&partnerID=MN8TOARS.
    10.1007/s10509-012-1125-3
  19. Peixinho, N.; Delsanti, A.; Guilbert-Lepoutre, A.; Gafeira, R.; Lacerda, P.. "The bimodal colors of Centaurs and small Kuiper belt objects". Astronomy and Astrophysics 546 (2012): http://www.scopus.com/inward/record.url?eid=2-s2.0-84867256108&partnerID=MN8TOARS.
    10.1051/0004-6361/201219057
Thesis / Dissertation
  1. Gafeira, Ricardo. "Slender Ca II H fibrils observed by SUNRISE/SuFI". PhD, Georg-August-Universität Göttingen, 2018. https://ediss.uni-goettingen.de/handle/11858/00-1735-0000-002E-E3C7-B.
  2. Gafeira, Ricardo. "Solar filaments: characteristics and evolution". Master, Universidade de Coimbra, 2011. https://estudogeral.sib.uc.pt/handle/10316/16998.
Activities

Oral presentation

Presentation title Event name
Host (Event location)
2019/12/17 Machine Learning initialisation to accelerate Stokes profile inversions 1st solar NLTE workshop: "Stokes inversions under non-LTE conditions"
Stockholm University, Institute for Solar Physics (Estocolmo, Sweden)
2016/06/20 Small scale chromospheric fibrils observed by Sunrise II 4th SOLARNET meeting "The physics of the Sun from the interior to the outer atmosphere
IAC (Arrecife, Lanzarote, Spain)
2015/06/25 Small scale chromospheric fibrils observed by Sunrise II
Rosseland Centre for Solar Physics (Oslo, Norway)
2012/09/23 Variation rate of sunspot area National meeting of Astronomy and Astrophysics
Universtiy of Porto

Supervision

Thesis Title
Role
Degree Subject (Type)
Institution / Organization
2020/09/21 - Current Feasibility study of using a Startracker for space debris detection on LEO orbits
Co-supervisor
Astrofísica e Instrumentação para o Espaço (Master)
Universidade de Coimbra Faculdade de Ciencias e Tecnologia, Portugal
2019/01/01 - 2020/12/02 Automatic detection of solar filaments
Co-supervisor
Mestrado em Astrofísica e Instrumentação para o Espaço (Master)
Universidade de Coimbra Faculdade de Ciencias e Tecnologia, Portugal
2020/08/01 - 2020/10/31 Análise estatística dos resultados obtidos pelos algoritmos de detecção dos filamentos solares e suas propriedades observacionais do OGAUC
Supervisor
Escola de Vera~o em Meteorologia Espacial, Erosa~o Espacial e Lixo Espacial (Other)
Universidade de Coimbra Faculdade de Ciencias e Tecnologia, Portugal
2020/08/01 - 2020/10/31 Compilação, estudo e análise dos diferentes sistemas de coordenadas heliográficas e subsequente avaliação da possível implementação desses sistemas aos dados solares do Observatório Geofísico e Astronómico da Universidade de Coimbra
Supervisor
Escola de Verão de Meteorologia Espacial, Erosão Espacial e Lixo Espacial (Other)
Universidade de Coimbra Faculdade de Ciencias e Tecnologia, Portugal
2020/08/01 - 2020/10/31 Modelling of the Solar Wind/Earth’s Magnetosphere Interaction
Supervisor
Escola de Vera~o de Meteorologia Espacial, Erosa~o Espacial e Lixo Espacial (Other)
Universidade de Coimbra Faculdade de Ciencias e Tecnologia, Portugal

Event organisation

Event name
Type of event (Role)
Institution / Organization
2011/09/07 - 2011/09/10 XXI Portuguese National Meeting of Astronomy and Astrophysics (2011/09/07)
Conference (Member of the Organising Committee)
Universidade de Coimbra Observatório Geofísico e Astronómico, Portugal
2009/06/01 - 2009/12/31 Participation as a team member at PACER in selection workshop of BEXUS (2009/12/18 - 2009/12/21)
Call (Other)
European Space Research and Technology Centre, Netherlands
2009/01/01 - 2009/12/31 Organization team of observation/divulgation of the International Year of Astronomy 2009 in Portugal (2009/01/01 - 2009/12/01)
Meeting (Member of the Organising Committee)

Event participation

Activity description
Type of event
Event name
Institution / Organization
2020/01/21 - Current Portuguese representative at European Association of Solar Telescopes (EAST) General Assembly 2020
Ceská zemedelská univerzita v Praze, Czech Republic
2020/01/22 - 2020/01/23 Participation on the project meetings of SOLARNET and PRE-EST
Ceská zemedelská univerzita v Praze, Czech Republic
2011/05/01 - 2011/08/01 Participation in a project on a local high school, related to the implementation of regular astronomical observations in this school

Association member

Society Organization name Role
2020/08/01 - Current International science team on Waves in the Lower Solar Atmosphere ( https://walsa.team/ ) Associate Member
2015/07/01 - 2016/06/30 International Max Planck Research School for Solar System Science at Max Planck Institute for Solar System Research Student representative at International Max Planck Research School for Solar System Science
2009/05/02 - 2010/05/01 Student Association of Physics Department ”NEDF” of UC Chairman of Student Association
2009/05/01 - 2010/05/01 Student Association of Physics Department ”NEDF” Chairman of Student Association of Physics
2008/04/01 - 2010/04/01 Junior Company of Faculty of Science and Technology-University of Coimbra, "Conhecimento Prévio Associação JeKnowledge" Membership founder and chairman of the General Assembling
2007/05/01 - 2008/05/01 Student Association of Physics Department "NEDF" Secretary of General Assembly

Committee member

Activity description
Role
Institution / Organization
2020/05/01 - Current Coordinator of the Astronomical Observations Unit of the Geophysical and Astronomical Observatory of the University of Coimbra
Coordinator
Universidade de Coimbra Observatório Geofísico e Astronómico, Portugal
2020/02/01 - Current Full team member of the PHI Solar Orbiter Science Team
Member
2015/07/01 - 2016/06/01 Student representative at International Max Planck Research School for Solar System Science
Coordinator
Max-Planck-Institut fur Sonnensystemforschung, Germany
2010/09/01 - 2012/09/01 Student representative of Master in Astrophysics and Instrumentation for Space
Coordinator
Universidade de Coimbra Faculdade de Ciencias e Tecnologia, Portugal
2008/07/01 - 2010/07 Physics student representative in pedagogical consultation group of Faculty of Science and Technology-University of Coimbra
Coordinator
Universidade de Coimbra Faculdade de Ciencias e Tecnologia, Portugal

Course / Discipline taught

Academic session Degree Subject (Type) Institution / Organization
2021/02/18 - Current Solar and Plasma Physics Astrofísica e Instrumentação para o Espaço (Mestrado integrado) Universidade de Coimbra Faculdade de Ciencias e Tecnologia, Portugal
2020/07/28 - Current Modulo de programação na escola de Verão em Meteorologia Espacial, Erosão Espacial e Lixo Espacial Escola de Verão em Meteorologia Espacial, Erosão Espacial e Lixo Espacial (Outros) Universidade de Coimbra Faculdade de Ciencias e Tecnologia, Portugal
2020/07/27 - Current Modulo de Fisica Solar na escola de Verão em Meteorologia Espacial, Erosão Espacial e Lixo Espacial Escola de Verão em Meteorologia Espacial, Erosão Espacial e Lixo Espacial (Outros) Universidade de Coimbra Faculdade de Ciencias e Tecnologia, Portugal
2016/01/01 - 2016/06/30 Teaching assistant of "Quantum mechanics I" semester course (Bachelor) Georg-August-Universität Göttingen, Germany
2015/07/01 - 2015/12/31 Teaching assistant of "Statistical Physics and Thermodynamics" semester course (Master) Georg-August-Universität Göttingen, Germany
2015/01/01 - 2015/06/30 Teaching assistant of "Planetary Science" semester course (Doctor) Georg-August-Universität Göttingen, Germany
2012/07/01 - 2012/12/31 Teaching assistant of experimental physics I (Licenciatura) Universidade de Coimbra, Portugal
Distinctions

Other distinction

2019 National Solar Observatory (NSO) Person of Interest