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Greece
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Astrophysicist & Data Scientist | Research & Statistical Analysis | ML Specialist
Profile Summary
Subject Matter Expertise
Services
Writing
Technical Writing,
Copywriting,
Newswriting,
General Proofreading & Editing
Research
Scientific and Technical Research
Consulting
Scientific and Technical Consulting
Data & AI
Predictive Modeling,
Statistical Analysis,
Algorithm Design-ML,
Data Visualization,
Big Data Analytics,
Data Mining,
Data Cleaning,
Data Processing,
Data Insights
Work Experience
Researcher & Science Educator
PeriAstron
September 2024 - Present 
Lecturer
University of Crete
February 2025 - July 2025
Post-doctoral Researcher
Ethnikon Asteroskopeion Athenon
September 2018 - August 2024
Lecturer
University of Crete
February 2024 - July 2024
Post-doctoral Researcher
Foundation for Research and Technology Hellas
2018 - 2018
Post-doctoral Researcher
Universidad de Valparaíso
2017 - 2017
Post-doctoral Researcher
Astronomical Institute of the Czech Academy of Sciences
2014 - 2016
Laser Lab Support Technician
Foundation for Research and Technology Hellas
2007 - 2009
Education
PhD. (Department of Physics)
University of Crete - Voutes Campus
2010 - 2014
MSc. (Department of Physics)
University of Crete - Voutes Campus
2004 - 2007
BSc./MSc. (School of Applied Mathematical and Physical Sciences)
National Technical University of Athens
1999 - 2004
Certifications
- Certification details not provided.
Publications
JOURNAL ARTICLE
K. Antoniadis, E. Zapartas, A. Z. Bonanos, G. Maravelias, S. Vlassis, G. Muñoz-Sanchez, C. Nally, M. Meixner, O. C. Jones, L. Lenkić, et al. (2025). Investigating the metallicity dependence of the mass-loss rate relation of red supergiants . Astronomy & Astrophysics.
S. de Wit, G. Muñoz-Sanchez, G. Maravelias, A. Z. Bonanos, K. Antoniadis, D. García-Álvarez, N. Britavskiy, A. Ruiz, A. Philippopoulou (2025). Investigating episodic mass loss in evolved massive stars . Astronomy & Astrophysics.
E. Zapartas, S. de Wit, K. Antoniadis, G. Muñoz-Sanchez, D. Souropanis, A. Z. Bonanos, G. Maravelias, K. Kovlakas, M. U. Kruckow, T. Fragos, et al. (2025). The effect of mass loss in models of red supergiants in the Small Magellanic Cloud . Astronomy & Astrophysics.
K. Antoniadis, A. Z. Bonanos, S. de Wit, E. Zapartas, G. Munoz-Sanchez, G. Maravelias (2025). Establishing a mass-loss rate relation for red supergiants in the Large Magellanic Cloud (Corrigendum) . Astronomy & Astrophysics.
S. de Wit, A. Z. Bonanos, K. Antoniadis, E. Zapartas, A. Ruiz, N. Britavskiy, E. Christodoulou, K. De, G. Maravelias, G. Munoz-Sanchez, et al. (2024). Investigating episodic mass loss in evolved massive stars . Astronomy & Astrophysics.
K. Antoniadis, A. Z. Bonanos, S. de Wit, E. Zapartas, G. Munoz-Sanchez, G. Maravelias (2024). Establishing a mass-loss rate relation for red supergiants in the Large Magellanic Cloud . Astronomy & Astrophysics.
A. Z. Bonanos, F. Tramper, S. de Wit, E. Christodoulou, G. Muñoz Sanchez, K. Antoniadis, S. Athanasiou, G. Maravelias, M. Yang, E. Zapartas (2024). Investigating episodic mass loss in evolved massive stars . Astronomy & Astrophysics.
Maravelias, Grigoris, Yang, Ming, Bonanos, Alceste Z., Jiang, Biwei, Zapartas, Emmanouil, Gao, Jian, Ren, Yi, Lam, Man I., Wang, Tianding, Gavras, Panagiotis, et al. (2023). Evolved massive stars at low-metallicity. V. Mass-loss rate of red supergiant stars in the Small Magellanic Cloud . Astronomy and Astrophysics.
Vink, Jorick S., Mehner, A., Crowther, P. A., Fullerton, A., Garcia, M., Martins, F., Morrell, N., Oskinova, L. M., St-Louis, N., ud-Doula, A., et al. (2023). X-Shooting ULLYSES: Massive stars at low metallicity. I. Project description . Astronomy and Astrophysics.
Grigoris Maravelias, Stephan de Wit, Alceste Z. Bonanos, Frank Tramper, Gonzalo Munoz-Sanchez, Evangelia Christodoulou (2023). Discovering New B[e] Supergiants and Candidate Luminous Blue Variables in Nearby Galaxies . Galaxies.
Grigoris Maravelias, Stephan de Wit, Alceste Z. Bonanos, Frank Tramper, Gonzalo Munoz-Sanchez, Evangelia Christodoulou (2023). Discovering New B[e] Supergiants and Candidate Luminous Blue Variables in Nearby Galaxies . Galaxies.
de Wit, S., Bonanos, A. Z., Tramper, F., Yang, M., Maravelias, G., Boutsia, K., Britavskiy, N., Zapartas, E. (2023). Properties of luminous red supergiant stars in the Magellanic Clouds . Astronomy and Astrophysics.
A machine-learning photometric classifier for massive stars in nearby galaxies <head>
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Maravelias, G., Kraus, M. (2022). Bouncing against the Yellow Void-Exploring the Outbursts of rho Cassiopeiae from Visual Observations. Journal of the American Association of Variable Star Observers (JAAVSO).
G. Munoz-Sanchez, G. Maravelias, A. Z. Bonanos, F. Tramper, S. de Wit, M. Yang (2022). ASSESSing evolved massive stars in NGC 6822 and IC 10 . Proceedings of the International Astronomical Union.
A. Z. Bonanos, G. Maravelias, M. Yang, F. Tramper, S. de Wit, M. Zapartas, K. Antoniadis, E. Christodoulou, G. Munoz-Sanchez (2022). Introducing the ASSESS project: Episodic Mass Loss in Evolved Massive Stars - Key to Understanding the Explosive Early Universe . Proceedings of the International Astronomical Union.
S. De Wit, A. Z. Bonanos, F. Tramper, M. Yang, G. Maravelias, K. Boutsia, N. Britavskiy, M. Zapartas (2022). Luminous red supergiants in the Magellanic Clouds . Proceedings of the International Astronomical Union.
Grigoris Maravelias, Alceste Z. Bonanos, Frank Tramper, Stephan de Wit, Ming Yang, Paolo Bonfini, Emmanuel Zapartas, Konstantinos Antoniadis, Evangelia Christodoulou, Gonzalo Muñoz-Sanchez (2022). Using machine learning to investigate the populations of dusty evolved stars in various metallicities . Proceedings of the International Astronomical Union.
M Kourniotis, M Kraus, O Maryeva, M Borges Fernandes, G Maravelias (2022). Revisiting the evolved hypergiants in the Magellanic Clouds . Monthly Notices of the Royal Astronomical Society.
Maravelias, Grigoris, Kardasis, Emmanuel (Manos), Peralta, Javier, Imai, Masataka, Wesley, Anthony, Olivetti, Tiziano, Naryzhniy, Yaroslav, Morrone, Luigi, Gallardo, Antonio, Calapai, Giovanni, et al. (2022). Amateur Observers Witness the Return of Venus' Cloud Discontinuity . Atmosphere.
E. Kyritsis, G. Maravelias, A. Zezas, P. Bonfini, K. Kovlakas, P. Reig(2022). A new automated tool for the spectral classification of OB stars . Astronomy & Astrophysics. {EDP} Sciences
Kraus, M., Cidale, L. S., Arias, M. L., Torres, A. F., Kolka, I., Maravelias, G., Nickeler, D. H., Glatzel, W., Liimets, T. (2022). Environments of evolved massive stars: evidence for episodic mass ejections . IAU Symposium.
Maravelias, Grigoris, Yang, Ming, Bonanos, Alceste Z., Jiang, Biwei, Lam, Man I., Gao, Jian, Gavras, Panagiotis, Wang, Shu, Chen, Xiao-Dian, Tramper, Frank, et al. (2021). Evolved massive stars at low-metallicity. IV. Using the 1.6 μm H-bump to identify red supergiant stars: Case study of NGC 6822 . Astronomy and Astrophysics.
Maravelias, Grigoris, Yang, Ming, Bonanos, Alceste Z., Jiang, Biwei, Gao, Jian, Gavras, Panagiotis, Wang, Shu, Chen, Xiao-Dian, Lam, Man I., Ren, Yi, et al. (2021). Evolved massive stars at low-metallicity. III. A source catalog for the Large Magellanic Cloud . Astronomy and Astrophysics.
Maravelias, Grigoris, Yang, Ming, Bonanos, Alceste Z., Jiang, Bi-Wei, Gao, Jian, Gavras, Panagiotis, Wang, Shu, Chen, Xiao-Dian, Tramper, Frank, Ren, Yi, et al. (2020). Evolved massive stars at low metallicity. II. Red supergiant stars in the Small Magellanic Cloud . Astronomy and Astrophysics.
(2019). Evolved massive stars at low-metallicity . Astronomy & Astrophysics.
M Kraus, I Kolka, A Aret, D H Nickeler, G Maravelias, T Eenmäe, A Lobel, V G Klochkova(2019). A new outburst of the yellow hypergiant star ρ Cas . Monthly Notices of the Royal Astronomical Society. 483. (3). p. 3792--3809. Oxford University Press ({OUP})
G Maravelias, M Kraus, L S Cidale, M Borges Fernandes, M L Arias, M Curé, G Vasilopoulos(2018). Resolving the kinematics of the discs around Galactic B[e] supergiants . Monthly Notices of the Royal Astronomical Society. 480. (1). p. 320--344. Oxford University Press ({OUP})
(2018). Clarifying the population of HMXBs in the Small Magellanic Cloud . Proceedings of the International Astronomical Union.
Grigoris Maravelias, Andreas Zezas, Vallia Antoniou, Despina Hatzidimitriou, Frank Haberl (2018). Clarifying the population of HMXBs in the Small Magellanic Cloud . Proceedings of the International Astronomical Union.
(2018). FM14 Session 1: Bridging the Astronomy Research and Outreach Communities - Recent Highlights, Emerging Collaborations, Best Practices and Support Structures . Proceedings of the International Astronomical Union.
Torres, A. F., Cidale, L. S., Kraus, M., Arias, M. L., Barbá, R. H., Maravelias, G., Borges Fernandes, M. (2018). Resolving the clumpy circumstellar environment of the B[e] supergiant LHA 120-S 35 . Astronomy and Astrophysics.
Grigoris Maravelias, G Vasilopoulos, M Curé, M L Arias, M Borges Fernandes, L S Cidale, M Kraus (2018). Resolving the kinematics of the discs around Galactic B[e] supergiants . Monthly Notices of the Royal Astronomical Society.
D. Zaritsky, P. Bonfini, Theodoros Bitsakis, V. H. Ramírez-Siordia, S. Charlot, G. Maravelias, G. Bruzual, R. A. González-Lópezlira (2018). The Distribution and Ages of Star Clusters in the Small Magellanic Cloud: Constraints on the Interaction History of the Magellanic Clouds . The Astrophysical Journal.
Grigoris Maravelias, M. Borges Fernandes, R. H. Barbá, M. L. Arias, M. Kraus, L. S. Cidale, A. F. Torres (2018). Resolving the clumpy circumstellar environment of the B[e] supergiant LHA 120-S 35 . Astronomy & Astrophysics.
Maravelias, Grigoris, Torres, Andrea F., Cidale, Lydia S., Kraus, Michaela, Arias, María L., Barbá, Rodolfo H., Borges Fernandes, Marcelo (2017). Resolving the clumpy circumstellar environment of the B[e] supergiant LHA 120-S 35 .
Maravelias, Grigoris, Torres, Andrea F., Cidale, Lydia S., Kraus, Michaela, Arias, María L., Barbá, Rodolfo H., Borges Fernandes, Marcelo (2017). Resolving the clumpy circumstellar environment of the B[e] supergiant LHA 120-S 35 .
Maravelias, Grigoris, Kraus, Michaela, Liimets, Tiina, Cappa, Cristina E., Cidale, Lydia S., Nickeler, Dieter H., Duronea, Nicolas U., Arias, Maria L., Gunawan, Diah S., Oksala, Mary E., et al. (2017). Resolving the Circumstellar Environment of the Galactic B[e] Supergiant Star MWC 137 from Large to Small Scales .
Bitsakis, T., Bonfini, P., González-Lópezlira, R. A., Ramírez-Siordia, V. H., Bruzual, G., Charlot, S., Maravelias, G., Zaritsky, D. (2017). A Novel Method to Automatically Detect and Measure the Ages of Star Clusters in Nearby Galaxies: Application to the Large Magellanic Cloud . The Astrophysical Journal.
Aret, A., Kraus, M., Kolka, I., Maravelias, G. (2017). The Yellow Hypergiant - B[e] Supergiant Connection .
Maravelias, G., Kraus, M., Aret, A., Cidale, L., Arias, M. L., Borges Fernandes, M. (2017). B[e] Supergiants' Circumstellar Environment: Disks or Rings? .
Kraus, M., Cidale, L. S., Liimets, T., Cappa, C. E., Duronea, N., Gunawan, D. S., Oksala, M. E., Santander-García, M., Arias, M. L., Nickeler, D. H., et al. (2017). Clumpy Molecular Structures Revolving the B[e] Supergiant MWC 137 .
Aret, A., Kolka, I., Kraus, M., Maravelias, G. (2017). Similarities in the Structure of the Circumstellar Environments of B[e] Supergiants and Yellow Hypergiants .
Anna Aret (2017). A New Outburst of the Yellow Hypergiant Star rho Cas . B(e) Phenomenon: Forty Years of Studies.
Anna Aret (2017). B[e] Supergiants' Circumstellar Environment: Disks or Rings? . B(e) Phenomenon: Forty Years of Studies.
Grigoris Maravelias (2017). Clumpy Molecular Structures Revolving the B[e] Supergiant MWC 137 . B(e) Phenomenon: Forty Years of Studies.
Z. Wan, V. M. Placco, J. L. Marshall, G. Maravelias, A. P. Ji, C. R. Higgs, F. Di Mille, J. R. Bravo, K. Boutsia, T. Bitsakis, et al. (2017). Early spectra of the gravitational wave source GW170817: Evolution of a neutron star merger . Science.
J. L. Marshall, T. T. Hansen, D. D. Whitten, Z. Wan, A. Campillay, J. Vargas-González, N. Ulloa, A. L. Strom, C. Rojas-Bravo, K. C. Rasmussen, et al. (2017). Light curves of the neutron star merger GW170817/SSS17a: Implications for r-process nucleosynthesis . Science.
Anna Aret (2017). Similarities in the Structure of the Circumstellar Environments of B[e] Supergiants and Yellow Hypergiants . B(e) Phenomenon: Forty Years of Studies.
Anna Aret (2017). The Yellow Hypergiant - B[e] Supergiant Connection . Stars: from Collapse to Collapse.
Grigoris Maravelias, Miguel Santander-García, Michel Curé, Marcelo Borges Fernandes, Mary E. Oksala, Lydia S. Cidale, Diah S. Gunawan, Dieter H. Nickeler, Nicolas U. Duronea, Cristina E. Cappa, et al. (2017). Resolving the Circumstellar Environment of the Galactic B[e] Supergiant Star MWC 137 from Large to Small Scales . The Astronomical Journal.
G. Maravelias, M. Kraus, L. Cidale, M. L. Arias, A. Aret, M. Borges Fernandes(2016). The circumstellar environments of B[e] Supergiants . Proceedings of the International Astronomical Union. 12. (S329). p. 421. Cambridge University Press ({CUP})
G. Maravelias, A. Zezas, V. Antoniou, D. Hatzidimitriou, F. Haberl(2016). Hα imaging for BeXRBs in the Small Magellanic Cloud . Proceedings of the International Astronomical Union. 12. (S329). p. 373--375. Cambridge University Press ({CUP})
Torres, A. F., Cidale, L., Kraus, M., Arias, M. L., Maravelias, G., Borges Fernandes, M., Vallverdú, R. (2016). Exploring the circumstellar disk-like structure of the B[e] supergiant LHA 120-S 73 .
Kardasis, E., Rogers, J. H., Orton, G., Delcroix, M., Christou, A., Foulkes, M., Yanamandra-Fisher, P., Jacquesson, M., Maravelias, G. (2016). The need for professional-amateur collaboration in studies of Jupiter and Saturn. Journal of the British Astronomical Association.
Kraus, M., Cidale, L. S., Arias, M. L., Maravelias, G., Nickeler, D. H., Torres, A. F., Fernandes, M. Borges, Aret, A., Cure, M., Vallverdu, R., et al.(2016). Inhomogeneous molecular ring around the B[e] supergiant LHA120-S 73 . Astronomy & Astrophysics. 593.
A. F. Torres, G. Maravelias, R. H. Barbá, A. Aret, R. Vallverdú, M. Curé, D. H. Nickeler, M. Borges Fernandes, L. S. Cidale, M. L. Arias, et al. (2016). Inhomogeneous molecular ring around the B[e] supergiant LHA 120-S 73 . Astronomy & Astrophysics.
F. Haberl, D. Hatzidimitriou, V. Antoniou, A. Zezas, G. Maravelias (2016). H alpha imaging for BeXRBs in the Small Magellanic Cloud . Lives and Death-throes of Massive Stars.
M. Borges Fernandes, A. Aret, M. L. Arias, L. Cidale, M. Kraus, G. Maravelias (2016). The circumstellar environments of B[e] Supergiants . Lives and Death-throes of Massive Stars.
Maravelias, G., Kraus, M., Aret, A. (2015). Disk Tracing for B[e] Supergiants in the Magellanic Clouds .
Kardasis, E., Vourliotis, E., Bellias, I., Maravelias, G., Vakalopoulos, E., Papadeas, P., Marouda, K., Voutyras, O. (2015). Spreading the passion for scientifically useful planetary observations .
Maravelias, Grigoris, Kardasis, Emmanuel, Rogers, John H., Orton, Glenn, Delcroix, Marc, Christou, Apostolos, Foulkes, Mike, Yanamandra-Fisher, Padma, Jacquesson, Michel (2015). The need for Professional-Amateur collaborations in studies of Jupiter and Saturn .
A. Aret, G. Maravelias, M. Kraus (2015). Disk Tracing for B[e] Supergiants in the Magellanic Clouds . EAS Publications Series.
A. W. Mann, B. J. Fulton, F. Faedi, R. G. West, N. Narita, A. Zezas, J. D. Armstrong, A. Fukui, J. Beyer, E. Chang, et al. (2014). Trawling for transits in a sea of noise: a search for exoplanets by analysis of WASP optical light curves and follow-up (SEAWOLF) . Monthly Notices of the Royal Astronomical Society.
Maravelias, G., Zezas, A., Antoniou, V., Hatzidimitriou, D.(2014). Optical spectra of five new Be/X-ray binaries in the Small Magellanic Cloud and the link of the supergiant B[e] star LHA 115-S 18 with an X-ray source . Monthly Notices of the Royal Astronomical Society. 438. (3). p. 2005-2025.
D. Hatzidimitriou, V. Antoniou, A. Zezas, G. Maravelias (2014). Optical spectra of five new Be/X-ray binaries in the Small Magellanic Cloud and the link of the supergiant B[e] star LHA 115-S 18 with an X-ray source . Monthly Notices of the Royal Astronomical Society.
Gaidos, E., Anderson, D. R., Lepine, S., Colon, K. D., Maravelias, G., Narita, N., Chang, E., Beyer, J., Fukui, A., Armstrong, J. D., et al.(2014). Trawling for transits in a sea of noise: a search for exoplanets by analysis of WASP optical light curves and follow-up (SEAWOLF) . Monthly Notices of the Royal Astronomical Society. 437. (4). p. 3133-3143.
Maravelias, G., Zezas, A., Antoniou, V., Hatzidimitriou, D., Haberl, F. (2013). Looking for High-Mass X-ray Binaries in the Small Magellanic Cloud .
Kardasis, E., Maravelias, G., Yanamandra-Fisher, P., Orton, G., Rogers, J., Jacquesson, M., Christou A., Delcroix M. (2013). The need of Professional-Amateur collaborations to the monitoring of the giant planets .
Maravelias, Grigoris, Zezas, Andreas, Antoniou, Vallia, Hatzidimitriou, Despoina, Haberl, Frank (2013). Studying the High-mass X-ray Binaries Population of the Small Magellanic Cloud .
Maravelias, G., Kardasis, E., Strikis, I. -M., Georgalas, B., Koutoulaki, M. (2012). Report From the epsilon Aurigae Campaign in Greece .
Maravelias, Grigoris, Antoniou, Vallia, Zezas, Andreas, Kalogera, Vicky (2012). The missing piece of the puzzle: Neutron stars accreting from supergiant companions .
Maravelias, Grigoris (2012). Optical Spectroscopy of High-Mass X-ray Binaries in the Small Magellanic Cloud .
Kloppenborg, B. K., Pieri, R., Eggenstein, H. -B., Maravelias, G., Pearson, T. (2012). A Demonstration of Accurate Wide-field V-band Photometry Using a Consumer-grade DSLR Camera. Journal of the American Association of Variable Star Observers (JAAVSO).
Maravelias, G. (2012). First results on video meteors from Crete, Greece .
Maravelias, G. (2012). Optical spectroscopy of Be-XRBs in the SMC .
Maravelias, G. (2011). Hellenic Amateur Astronomy Association's activities: Preliminary results on Perseids 2010 .
Charalambidis, D., Tzallas, P., Benis, E. P., Skantzakis, E., Maravelias, G., Nikolopoulos, L. A. A., Conde, A. Peralta, Tsakiris, G. D.(2008). Exploring intense attosecond pulses . New Journal of Physics. 10.
Papazoglou, DG, Zergioti, I, Tzortzakis, S, Sgouros, G, Maravelias, G, Christopoulos, S, Fotakis, C(2005). Sub-picosecond ultraviolet laser filamentation-induced bulk modifications in fused silica . Applied Physics a-Materials Science & Processing. 81. (2). p. 241-244.
PREPRINT
Grigoris Maravelias, Gonzalo Munoz-Sanchez, Maria Kalitsounaki, Stephan de Wit, Kostantinos Antoniadis, Alceste Bonanos, Emmanouil Zapartas, Konstantina Boutsia, Evangelia Christodoulou, Igor Soszyński, et al. (2025). The dramatic transition of the extreme Red Supergiant WOH G64 to a Yellow Hypergiant .
(2018). A paradigm to develop new contributors to Astronomy.
WORKING PAPER
Bonanos, A. Z., Maravelias, G., Yang, M., Tramper, F., de Wit, S., Zapartas, E., Antoniadis, K., Christodoulou, E., Munoz-Sanchez, G. (2023). Introducing the ASSESS project: Episodic Mass Loss in Evolved Massive Stars -- Key to Understanding the Explosive Early Universe . arXiv e-prints.
Maravelias, Grigoris, Bonanos, Alceste Z., Tramper, Frank, de Wit, Stephan, Yang, Ming, Bonfini, Paolo, Zapartas, Emmanuel, Antoniadis, Konstantinos, Christodoulou, Evangelia, Muñoz-Sanchez, Gonzalo (2022). Using machine learning to investigate the populations of dusty evolved stars in various metallicities. arXiv e-prints.
Maravelias, Grigoris, Vourliotis, Emmanouel, Marouda, Krinio, Belias, Ioannis, Kardasis, Emmanouel, Papadeas, Pierros, Strikis, Iakovos D., Vakalopoulos, Eleftherios, Voutyras, Orfefs (2018). A paradigm to develop new contributors to Astronomy. arXiv e-prints.
DATA SET
Yang, M., Bonanos, A. Z., Jiang, B. W., Zapartas, E., Gao, J., Ren, Y., Lam, M. I., Wang, T. D., Maravelias, G., Gavras, P., et al. (2023). VizieR Online Data Catalog: Mass-loss rate of RSGs in the SMC (Yang+, 2023). VizieR Online Data Catalog.
Vink, J. S., Mehner, A., Crowther, P. A., Fullerton, A., Garcia, M., Martins, F., Morrell, N., Oskinova, L. M., St-Louis, N., Ud-Doula, A., et al. (2023). VizieR Online Data Catalog: X-Shooting ULLYSES. Project Description (Vink+, 2023). VizieR Online Data Catalog.
Maravelias, G., Bonanos, A. Z., Tramper, F., de Wit, S., Yang, M., Bonfini, P. (2022). VizieR Online Data Catalog: M31/M33 sources with known spectral type (Maravelias+, 2022). VizieR Online Data Catalog.
Kyritsis, E., Maravelias, G., Zezas, A., Bonfini, P., Kovlakas, K., Reig, P. (2021). VizieR Online Data Catalog: OB stars spectral classification automated tool (Kyritsis+, 2022). VizieR Online Data Catalog.
Yang, M., Bonanos, A. Z., Jiang, B. W., Lam, M. I., Gao, J., Gavras, P., Maravelias, G., Wang, S., Chen, X. D., Tramper, F., et al. (2021). VizieR Online Data Catalog: Using H-bump to identify RSGs in NGC6822 (Yang+, 2021). VizieR Online Data Catalog.
Yang, M., Bonanos, A. Z., Jiang, B. W., Gao, J., Gavras, P., Maravelias, G., Wang, S., Chen, X. D., Lam, M. I., Ren, Y., et al. (2021). VizieR Online Data Catalog: A source catalog for the LMC (Yang+, 2021). VizieR Online Data Catalog.
Yang, M., Bonanos, A. Z., Jiang, B. W., Gao, J., Gavras, P., Maravelias, G., Wang, S., Chen, X. D., Ren, Y., Tramper, F., et al. (2020). VizieR Online Data Catalog: RSGs in the SMC (Yang+, 2020). VizieR Online Data Catalog.
Yang, M., Bonanos, A. Z., Jiang, B. W., Gao, J., Gavras, P., Maravelias, G., Ren, Y., Wang, S., Xue, M. Y., Tramper, F., et al. (2019). VizieR Online Data Catalog: A source catalog for the SMC (Yang+, 2019). VizieR Online Data Catalog.
Bitsakis, T., Gonzalez-Lopezlira, R. A., Bonfini, P., Bruzual, G., Maravelias, G., Zaritsky, D., Charlot, S., Ramirez-Siordia, V. H. (2018). VizieR Online Data Catalog: Ages of star clusters in SMC (Bitsakis+, 2018). VizieR Online Data Catalog.
Bitsakis, T., Bonfini, P., Gonzalez-Lopezlira, R. A., Ramirez-Siordia, V. H., Bruzual, G., Charlot, S., Maravelias, G., Zaritsky, D. (2018). VizieR Online Data Catalog: Star clusters automatically detected in the LMC (Bitsakis+, 2017). VizieR Online Data Catalog.
CONFERENCE ABSTRACT
Maravelias, Grigoris, Kardasis, Emmanouil, Peralta, Javier, Imai, Masataka, Wesley, Anthony, Olivetti, Tiziano, Naryzhniy, Yaroslav, Morrone, Luigi, Gallardo, Antonio, Calapai, Giovanni, et al. (2022). Results from the professional-amateur collaboration to investigate the Cloud Discontinuity phenomenon in Venus' atmosphere . European Planetary Science Congress.
Maravelias, Grigoris, Kardasis, Emmanouil, Peralta, Javier, Naryzhniy, Yaroslav (2020). Amateur observations of a planetary-scale wave in the middle clouds of Venus. European Planetary Science Congress.
Maravelias, Grigoris, Moutsouroufi, Konstantina, Marios Strikis, Iakovos, Kardasis, Emmanuel, Voutyras, Orfefs, Kountouris, Giorgos, Evangelopoulos, Athanasios, Aggelis, Konstantinos, Papadeas, Pierros, Schmidt, Tamara, et al. (2019). Evaluating introductory seminars on observational astronomy, using the Europlanet Evaluation Toolkit. EPSC-DPS Joint Meeting 2019.
Voutyras, O., Maravelias, G., Bellias, I., Kardasis, E. (2013). 10 Years of Developing Outreach Techniques and Best Practice by the Hellenic Amateur Astronomy Association. European Planetary Science Congress.
OTHER
Maravelias, Grigoris, Antoniou, Vallia, Anastasopoulou, K., Andrews, Jeff, Drake, Jeremy J., Fabbiano, Giuseppina, Hatzidimitriou, Despina, Hong, Jae Sub, Kouroumpatzakis, Konstantinos, Kovlakas, Konstantinos, et al. (2019). Determining How X-ray Binary Populations Vary Through Time. HST Proposal.
CONFERENCE PAPER
Maravelias, Grigoris, Yang, Ming, Bonanos, Alceste Z., Jiang, Bi-Wei, Gao, Jian, Gavras, Panagiotis, Ren, Yi, Wang, Shu, Xue, Meng-Yao, Tramper, Frank, et al. (2019). Evolved Massive Stars at Low-metallicity: A Source Catalog for the Small Magellanic Cloud. Supernova Remnants: An Odyssey in Space after Stellar Death II.
Maravelias, Grigoris, Bonanos, Alceste Z., Yang, Ming, Tramper, Frank, de Wit, Stephan A. S., Bonfini, Paolo (2019). Identifying massive stars in nearby galaxies, in a smart way. Supernova Remnants: An Odyssey in Space after Stellar Death II.
Aret, A., Kraus, M., Kolka, I., Maravelias, G. (2017). A New Outburst of the Yellow Hypergiant Star ρ Cas. The B[e] Phenomenon: Forty Years of Studies.
RESEARCH TOOL
Maravelias, G., Antoniou, V., Boutsia, K., Zezas, A., Bonanos, A. Z., Haberl, F., Hatzidimitriou, D. (2018). A B1-2e optical classification for the optical counterpart of XTE J0052-723 (SXP 4.78; Swift J005139.2-721704). The Astronomer's Telegram.
Maravelias, G., Antoniou, V., Zezas, A., Strantzalis, A., Hatzidimitriou, D., Haberl, F. (2018). XTE J0052-723 (SXP 4.78; Swift J005139.2-721704), a newly identified Be/X-ray binary pulsar. The Astronomer's Telegram.
DISSERTATION THESIS
Maravelias, Grigoris (2014). Investigation of the high-mass X-ray binary populations in the Small Magellanic Cloud. Ph.D. Thesis.
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