The products of Academy are Persons (Yale Teaching Tips)	Solar Physics Laboratory "Alessandro Cacciani" managed by Prof. Costantino Sigismondi (CV, img, publications) ICRA/Sapienza University of Rome, Department of Physics Piazzale Aldo Moro 5 00185 Roma Italia web page with solar photosphere color edited with notepad2	Discussing Solar Astrometry
Events: Gerbertus Open Astronomy School 10-12/may/2019 Angelo Secchi, il Sole, dalla Biblioteca del Ministero Infrastrutture e Trasporti (Firenze 1884, zip 47MB) Secchi e la Nebulosa di Orione13/2/18 Storia dell'Astronomia11-12/17 The origin of the Universe 28/2/17 SCHOLA SCIENTIARVM, 11/5/17 GERBERTO 2018, 8/5/18 ARDENTIBVS STELLIS: Gerbert and Astronomy, 9/5/16 Mercury Transit 2016 video Solar Eclipse 2015 in the Michelangelo Cloister video CLAVIUS FOURTH CENTENNIAL MEETING, Pescara 2012 Meeting in memory of Alessandro Cacciani, Roma 2012

International collaborations with IRSOL (CH), Observatoire de la Cote d'Azur - Fizeau Dept. Nice (FR), Institute de Astrophysique de Paris, University of Como and Observatorio Nacional in Rio de Janeiro (BR) Composite image with Rio de Janeiro and Rome solar instruments

Students & Alumni (2023/2024) Relazione Laboratorio di Astrofisica Patrizio Malloni (report) (2023/2024) Osservazioni Astronomiche alla Linea Clementina Flavio Cencioni (report) (2020-2021) Solar meridian diameter at the Clementine Gnomon, Claudia Caldarella and Elisa Cicillini (report). (2019) Angelo Secchi and Solar studies in Santa Maria degli Angeli. Sara Bacchini, Beatrice Baschetti, Massimiliano Romanello and Luigi Bordoni. (2018) Classes 3AL and 4BL Lyceum G. Ferraris Rome: Secchi and the birth of solar Astrophysics (reports) (2017) Solar diameter from Mercury transit videos. Francesco Castiglioni and Domenico Cicogna report (2016) Solar diameter with visual observations of the transit of Mercury. Felipe Cardoso report (2015) Solar diameter in 2015 solar eclipse and transits of Venus; Pinheliometer: Massimo Carinci, Carlos Brandt and Alessio Mimmo. (2014) Gabriele Ucci, Vanessa Zema, Francesco Scardino and Federico Vincentelli: Differential photometry of Delta Scorpii with SOHO; Nova Centauri 2013 with Perth all-sky camera. (2012) Differential photometry of Betelgeuse and Delta Scorpii; Solar diameter and the transit of Venus: Paola Di Mauro, Vera di Cianni, Carolina Parroni, Luca Sabatini (2011) Almucantarat transits with the solar astrolabe and hourly transits with the drift-scan method: Giulia de Rosi, Dario Cortese, Raffaele Pontrandolfi (2010) Solar diameter with solar eclipses: Emanuela Gizzi, Luigi Squillante, Riccardo Moriconi report, (2009) Comparison of solar diameter obtained with Baily's beads in different observational campaigns: Eleonora di Valentino, Maria Concetta Tringali, Daniele Caprioli, Andrea Raponi (thesis), Fabrizio Oliva, Samuele Matteucci (2008) Ptolemy vs Copernicus with meridian lines: Licia Mangione thesis (2007) Micol Benetti, Luca Naticchioni (report), Irene Di Palma, Alessandra Mastrobuono Battisti, Paolo Fermani, Marco Innocenti (2006) Pinhole Solar Monitor in Santa Maria degli Angeli: Silvia Pietroni report, Chiara Melchiorre, Project of the eclipse observation in Egypt: Laura Giannuzzo poster  (2005) Solar diameter with Baily's beads and Valoria la Buena observational mission: Manuela Ferrante, Pietro Oliva poster (2004) Asteroseismology with photometer: Runa Antonio Briguglio, Laura Elena Nalbant, Marco Iacobelli report Atmospheric Sodium observed from International Space Station: Roberto Guida (Success Student Context) link.

Solar Eclipse of March 29, 2006 at shadow limit's in Egypt: phases of totality, and on Santa Maria degli Angeli meridian line (1702).

IISS Volta's students measuring the shadow of the obelisk of Psammetichus II (585 B.C.) in Rome, Montecitorio square. These didactical opportunities are possible only in the Eternal City.

Solar Spot in Calcium K-alfa line, NOAA10960 4 June 2007 h 13.45 observed with IISS Volta Telescope (image and temperature analysis)

Annular eclipse in French Guyana (2006) and Studies on shock wave propagation at 60fps(2015) video txt

History of Astronomy syllabus FILOSOFIA DELL'ASTRONOMIA (Ateneo Pontificio Regina Apostolorum) testi in pdf GERBERTVS International Journal of Medieval Science  Asteroidal Occultation 474 Prudentia on HIP 1927 5 September 2010  ->Audio            Asteroidal Occultation 166 Rhodope on Regulus 19 October 2005

other research topics Delta Scorpii observational campaign 2011 Delta Scorpii and Betelgeuse permanent monitoring php script to obtain G-band intensities from jpg images Delta Scorpii: last observations (SGQ=Costantino Sigismondi AAVSO Code) Rogatus a Pluribus, il genio di Gerberto 8 May 2015

Clavius Project (Sapienza/ICRA, IRSOL, IAP - Paris, ON - Rio de Janeiro, Insubria - Como, FRAEN corp. & IOTA ) - Selected Publications

• Relativistic Implications of Solar Astrometry: the role of solar physics for the development of new physics (Friedmann Seminar, CBPF Rio de Janeiro 2011) (pdf)

• High precision ground-based measurements of solar diameter in support of Picard mission (PhD Thesis, Un. Nice-Sapienza-Franco-Italiana/IRAP, Roma 12.12.2011) (zip)

• Guidelines for Measuring Solar Radius with Baily Beads Analysis (Science in China 2009) (pdf)

• Measuring Solar Disk Shape up to Relativistic Accuracy: the Role of Scintillation in Ancient Naked Eye Data (with Richard Nugent and Gerhard Dangl) (pdf)

• Lunar Occultations and Ephemerides Corrections (J. of Korean Physics 2010) (pdf)

• Measuring Solar Diameter with Solar Eclipses (Proc. Am Phys Soc 2008 b) (pdf)

• European Projects on Solar Diameter Monitoring (with M. Bianda and J. Arnaud, starting of Clavius project), Proc. Am Phys Soc 2008 c (pdf)

• Solar Radius Variations Measured in Central Eclipses, Proc Am Phys Soc 966, 341-348 (2008) pdf

• Method of Calculation of Solar Diameter (presentation to ESOP08, Drebach 2008) (pdf)

• Solar Radius in 2005 and 2006 Eclispes, Proceedings of the International Astronomical Union Symposium S233 (Solar Activity and its Magnetic Origin) Editors: V. Bothmer & A. A. Hady, Cambridge University Press (2006) (pdf 100KB)

• Pinhole Solar Monitor tests in the Basilica of Santa Maria degli Angeli in Rome, Proceedings of the International Astronomical Union Symposium S233 (Solar Activity and its Magnetic Origin) Editors: V. Bothmer & A. A. Hady, Cambridge University Press (2006) (pdf 100KB)

• Solar Astrometry with Pinholes + Pinhole Solar Monitor to Detect 0.01'' Radius Variations,  Solar and Solar-Like Oscillations: Insights and Challenges for the Sun and Stars, 25th meeting of the IAU, Joint Discussion 12, 18 July 2003, Sydney, Australia (txt)

• Measuring the angular solar diameter using two pinholes, American Journal of Physics, Volume 70, Issue 11, pp. 1157-1159 (2002). (pdf 100KB)

Text Books (Italian)

• Astronomia di posizione per muoni APRA, Roma (2008) ISBN 9788889174852 (pdf) Foglio di calcolo per la posizione dei muoni (collaboration with EEE project - Fermi Center) (xls)

• Effemeridi, Introduzione al Calcolo Astronomico, APRA, Roma (2008) ISBN 9788889174708   (libro pdf)

• Meridiani e Longitudini a Roma, Semestrale di Studi di Geografia 2006, vol. 2  (2006) (pdf 3MB)

Oceanography

Long Waves Perturbations to Astronomical Tides in Adriatic and Tyrrenian Sea (Proc. of Conferences 966, 333-340- American Institute of Physics, 2008) pdf

Useful software

ephemvga (zip 200 Kb) soft-Astrolabio (zip 3 Mb) soft-Astrolabio-exe with data (zip 34 Mb)

Last Update 21 March 2018