Renzo Ramelli
https://usi.to/6is
Publications
Journal Article (23)
- Zeuner F., Belluzzi L., Guerreiro N., Ramelli R., Bianda M. (2022) Hanle rotation signatures in Sr I 4607 Å, Astronomy and Astrophysics, 662:A46
- Jaume Bestard J., Trujillo Bueno J., Bianda M., Štěpán J., Ramelli R. (2022) Spectropolarimetric observations of the solar atmosphere in the Halpha 6563 Å line, Astronomy and Astrophysics, 659:A179
- Quintero Noda C., Schlichenmaier R., Khomenko E., Bellot Rubio L., Löfdahl M. G., Jurcak J., Bianda M., Belluzzi L., Berdyugina S., Ramelli R., Zeuner F. (2022) The European Solar Telescope, Astronomy & Astrophysics, 666:A21
- Clette F., Lefèvre L., Bechet S., Ramelli R., Cagnotti M. (2021) Reconstruction of the Sunspot Number Source Database and the 1947 Zurich Discontinuity, Solar Physics, 296:137
- Di Campli R., Ramelli R., Bianda M., Furno I., Sajal K. D., Belluzzi L. (2020) Imaging spectropolarimetry for magnetic field diagnostics in solar prominences, A&A, 644:179-16
- Capozzi E., Alsina Ballester E., Belluzzi L., Bianda M., Sajal K. D., Ramelli R. (2020) Observational indications of magneto-optical effects in the scattering polarization wings of the Ca I 4227 Å line, Astronomy and Astrophysics, 641:A63
- Dhara S. K. ., Capozzi E., Gisler D., Bianda M., Ramelli R., Berdyugina S., Alsina E., Belluzzi L. (2019) Observations on spatial variations of the Sr I 4607 Å scattering polarization signals at different limb distances with ZIMPOL, Astronomy and Astrophysics, 630:A67-69
- Dhara S. K. ., Capozzi E., Gisler D., Bianda M., Ramelli R., Berdyugina S., Alsina E., Belluzzi L. (2019) Spatial variations of the Sr I 4607 Åscattering polarization signals at subgranular scale observed with ZIMPOL at the GREGOR telescope, Nuovo Cimento C Geophysics Space Physics C, 42 (1):6
- Bianda M., Berdyugina S., Gisler D., Ramelli R., Belluzzi L., Carlin E. S. ., Stenflo J. O., Berkefeld T. (2018) Spatial variations of the Sr i 4607 A scattering polarization peak, A&A, 614:A89
- Cortesi S., Cagnotti M., Bianda M., Ramelli R., Manna A. (2016) Sunspot Observations and Counting at Specola Solare Ticinese in Locarno Since 1957, Solar Physics, 291:3075-3080
- Supriya H., Smitha H., Nagendra K., Stenflo J. O., Bianda M., Ramelli R., Ravindra B., Anusha L. (2014) Center-to-limb Observations and Modeling of the Ca I 4227 Å line, Astrophysical Journal, 793:42
- Smitha H., Nagendra K., Stenflo J. O., Bianda M., Ramelli R. (2014) The Quantum Interference Effects in the Sc II 4247 Å Line of the Second Solar Spectrum, Astrophysical Journal, 794 (1):30
- Stenflo J. O., Demidov M., Bianda M., Ramelli R. (2013) Calibration of the 6302/6301 Stokes V line ratio in terms of the 5250/5247 ratio, Astronomy and Astrophysics, 556 (113):A113
- Ramelli R., Stellmacher G., Wiehr E., Bianda M. (2012) Helium Emissions Observed in Ground-Based Spectra of Solar Prominences, Solar Physics, 281:697-706
- Smitha H., Nagendra K., Stenflo J. O., Bianda M., Sampoorna M., Ramelli R., Anusha L. (2012) J-state interference signatures in the second solar spectrum. Modeling the Cr i triplet at 5204-5208 Å, Astronomy and Astrophysics, 541:A24
- Anusha L., Nagendra K., Bianda M., Stenflo J. O., Holzreuter R., Sampoorna M., Frisch H., Ramelli R., Smitha H. (2011) Analysis of the Forward-scattering Hanle Effect in the Ca I 4227 Å Line, Astrophysical Journal, 737:95
- Shapiro A., Fluri D., Berdyugina S., Bianda M., Ramelli R. (2011) NLTE modeling of Stokes vector center-to-limb variations in the CN violet system, Astronomy and Astrophysics, 529:A139
- Bianda M., Ramelli R., Anusha L., Stenflo J. O., Nagendra K., Holzreuter R., Sampoorna M., Frisch H., Smitha H. (2011) Observations of the forward scattering Hanle Effect the Ca I 4227 Å Line, Astronomy and Astrophysics, 530:L13
- Anusha L., Nagendra K., Stenflo J. O., Bianda M., Sampoorna M., Frisch H., Holzreuter R., Ramelli R. (2010) Generalization of the Last Scattering Approximation for the Second Solar Spectrum Modeling: The Ca I 4227 Å Line as a Case Study, Astrophysical Journal, 718:988-1000
- Sampoorna M., Stenflo J. O., Nagendra K., Bianda M., Ramelli R., Anusha L. (2009) Origin of Spatial Variations of Scattering Polarization in the Wings of the Ca I 4227 Å line, Astrophysical Journal, 699:1650-1659
- Afram N., Berdyugina S., Fluri D., Semel M., Bianda M., Ramelli R. (2007) First polarimetric observations and modeling of the FeH F4Δ-X4Δ system, Astronomy and Astrophysics, 473:L1-L4
- Berdyugina S., Fluri D., Ramelli R., Bianda M., Gisler D., Stenflo J. O. (2006) First Polarimetric Measurements and Modeling of the Paschen-Back Effect in CaH Transitions, Astrophysical Journal, Letters, 649:L49-L52
- Bianda M., Benz A., Stenflo J. O., Küveler G., Ramelli R. (2005) Absence of linear polarization in Hα emission of solar flares, Astronomy and Astrophysics, 434:1183-1189
Book (3)
- Bianda M., Ramelli R. (2014) Evoluzione e variabilità del campo magnetico cromosferico e fotosferico solare
- Berdyugina S., Ramelli R., Nagendra K. N. (2009) Proceedings of the Solar Polarization Workshop 5 (SPW5). Astronomical Society of the Pacific Conference Series
- Ramelli R., Stenflo J. O., Shalabiea O., Saleh I. (2006) Proceedings of the International Symposium on Solar Physics and Solar Eclipses (SPSE 2006). Symposium held at Waw an Namos, Libya
Article in conference proceedings (62)
- Zeuner F., Gisler D., Bianda M., Ramelli R., Berdyugina S. (2022) Enhancing the accuracy of solar polarimetry by coalescing slow and fast modulation: method description and first performance tests. Ground-based and Airborne Instrumentation for Astronomy IX. SPIE
- Ramelli R., Bianda M., Setzer M., Enegelhard M., Paglia F., Stenflo J. O., Küveler G., Plewe R. (2019) Atlas of the Solar Intensity Spectrum and its Center-to-Limb Variation. Astronomical Society of the Pacific Conference Series. Astronomical Society of the Pacific Conference Series
- Ramelli R. (2019) High precision polarimetry at IRSOL. Solar spectropolarimetry: From virtual to real observations. Università della Svizzera italiana, Lugano
- Ramelli R., Bianda M., Berdyugina S., Belluzzi L., Kleint L. (2019) Measurement of the Evolution of the Magnetic Field of the Quiet Photosphere over a Solar Cycle. Astronomical Society of the Pacific Conference Series. Astronomical Society of the Pacific Conference Series
- Bianda M., Ramelli R., Gisler D., Belluzzi L., Carlin E. ~. . (2019) Second Solar Spectrum Observations with ZIMPOL. Astronomical Society of the Pacific Conference Series. Astronomical Society of the Pacific Conference Series
- Capozzi E., Dahara S. K. ., Gisler D., Bianda M., Ramelli R. (2018) Feasibility study for a dedicated filter based polarimeter system for large telescopes: comparing two different cameras. SoHe3 Meeting. Torino
- Ramelli R., Cagnotti M., Cortesi S., Bianda M., Manna A. (2018) Sunspot data collection of Specola Solare Ticinese in Locarno. Proceedings IAU Symposium. IAU Publisher, Cambridge University Press. IAU Proceedings Series
- Ramelli R. (2016) Sunspot observations and the Sunspot Number. GCOS Rundtisch, Zurich
- Smitha H., Nagendra K., Stenflo J. O., Bianda M., Sampoorna M., Ramelli R. (2015) A revisit to model the Cr i triplet at 5204-5208 Å and the Ba ii D2 line at 4554 Å in the Second Solar Spectrum. Polarimetry. IAU Symposium
- Setzer M., Engelhard M., Ramelli R., Stenflo J. O., Bianda M., Küveler G., Plewe R. (2015) Atlas of the center to limb variation of the solar intensity spectrum. IAU General Assembly
- Supriya H., Smitha H., Nagendra K., Stenflo J. O., Bianda M., Ravindra B., Ramelli R., Anusha L. (2015) Modeling the center-to-limb variation of the Ca i 4227 Å line using FCHHT models. Polarimetry. IAU Symposium
- Ramelli R., Bianda M., Berdyugina S., Kleint L., Goroberts A., Stenflo J. O., Belluzzi L. (2015) Synoptic program to measure the evolution of the photospheric hidden magnetic field during a solar cycle. IAU General Assembly. Honolulu
- Demidov M., Stenflo J. O., Bianda M., Ramelli R. (2014) Conversion of the 6302 / 6301 Stokes V Line Ratio to the 5250 / 5247 Ratio for the Diagnostics of Quiet-Sun Magnetic Fields. Solar Polarization 7. Astronomical Society of the Pacific Conference Series
- Ramelli R., Gisler D., Bianda M., Bello González N., Berdyugina S., Soltau D. (2014) First successful deployment of the ZIMPOL-3 system at the GREGOR telescope. SPIE conference on Astronomical Telescopes + Instrumentation 2014. SPIE conference proceedings. Montréal, Quebec, Canada
- Ramelli R., Gisler D., Bianda M., Bello González N., Berdyugina S., Soltau D. (2014) First successful deployment of the ZIMPOL-3 system at the GREGOR telescope. Ground-based and Airborne Instrumentation for Astronomy V. procspie
- Bianda M., Ramelli R., Gisler D., Stenflo J. O. (2014) Solar Cycle Variations of the Second Solar Spectrum. Solar Polarization 7. Astronomical Society of the Pacific Conference Series
- Bianda M., Ramelli R., Gisler D., Stenflo J. O., Defilippis I. (2013) Absolute calibration in solar scattering polarization measurements with ZIMPOL. Calibration workshop. Zurich
- Setzer M., Lübke S., Küveler G., Zuber A., Bianda M., Ramelli R. (2013) Computersteuerung für einen Sonnenspektrografen.. Posterpräsentation im Rahmen des 10. fachwissenschaftlichen Kolloquiums “Angewandte Automatisierungstechnik in Lehre und Entwicklung” (AALE 2013). Fachhochschule Stralsund
- Setzer M., Lübke S., Küveler G., Zuber A., Bianda M., Ramelli R. (2013) Computersteuerung für einen Sonnenspektrografen. München DIV Deutscher Industrieverlag 2013. Tagungsband AALE 2013
- Ramelli R., Bianda M., Stenflo J. O., Gisler D. (2013) IRSOL observing programs and interactions with data collected by space missions.. 1st SOLARNET – 3rd EAST/ATST meeting, “Synergies between ground and space based solar research”. Oslo
- Ramelli R., Bianda M. (2013) Spectropolarimetry with ZIMPOL-3 at the IRSOL observatory. 13th European Solar Physics Meeting. Rhodos, Greece
- Wiehr E., Stellmacher G., Ramelli R., Bianda M. (2013) The Hot Skin of Prominence Structures
- Bianda M., Ramelli R., Stenflo J. O., Berdyugina S., Gisler D., Defilippis I., Bello González N. (2013) The project of installing a ZIMPOL 3 polarimeter at GREGOR in Tenerife
- Sigismondi C., Raponi A., De Rosi G., Bianda M., Ramelli R., Caccia M., Maspero M., Negrini L., Wang X. (2012) Atmospheric fluctuations below 0.1 Hz during drift-scan solar diameter measurements. EAS Publications Series. EAS Publications Series
- Setzer M., Küveler G., Zuber A., Bianda M., Ramelli R. (2012) Automatisierung eines Sonnenspektrografen. VIP 2012. Viruelle Instrumente in der Praxis
- Frisch H., Anusha L., Bianda M., Holzreuter R., Nagendra K., Ramelli R., Sampoorna M., Smitha H., Stenflo J. O. (2012) Forward-scattering Hanle effect in the solar Ca i 4227 Å line. EAS Publications Series. EAS Publications Series
- Einarsen L., Rodenhuis M., Snik F., Keller C., Stam D., de Kok R., Bianda M., Ramelli R. (2012) Multiwavelength imaging polarimetry of Venus at various phase angles. EGU General Assembly Conference Abstracts. EGU General Assembly Conference Abstracts
- Ramelli R., Trujillo Bueno J., Bianda M., Asensio Ramos A. (2011) Exploring the Magnetic Fields of Solar Prominences and Spicules via He I D3 spectropolarimetry. Solar Polarization 6. Astronomical Society of the Pacific Conference Series
- Anusha L., Stenflo J. O., Frisch H., Bianda M., Holzreuter R., Nagendra K., Sampoorna M., Ramelli R. (2011) Linear Polarization of the Solar Ca I 4227 Å Line: Modeling with Radiative Transfer and Last Scattering Approximation. Solar Polarization 6. Astronomical Society of the Pacific Conference Series
- Bianda M., Ramelli R., Stenflo J. O., Anusha L., Nagendra K., Sampoorna M., Holzreuter R., Frisch H. (2011) Observations of the solar Ca I 4227 Å line. Solar Polarization 6. Astronomical Society of the Pacific Conference Series
- Stepan J., Trujillo Bueno J., Ramelli R., Bianda M. (2011) Scattering polarization and the Hanle effect in Hα as a probe of chromospheric magnetism: Modeling vs. Observations. Solar Polarization 6. Astronomical Society of the Pacific Conference Series
- Sigismondi C., Raponi A., Wang X., De Rosi G., Bianda M., Ramelli R. (2011) The power spectrum of the seeing during solar observations
- Ramelli R., Bucher R., Rossini L., Bianda M., Balemi S. (2010) Adaptive optics system for the IRSOL solar observatory. SPIE conference “Telecopes and Instrumentation 2010”. San Diego, USA
- Ramelli R., Bucher R., Rossini L., Bianda M., Balemi S. (2010) Adaptive optics system for the IRSOL solar observatory. Adaptive Optics Systems II. procspie
- Ramelli R., Balemi S., Bianda M., Defilippis I., Gamma L., Hagenbuch S., Rogantini M., Steiner O., Stenflo J. O. (2010) ZIMPOL-3: a powerful solar polarimeter. Ground-based and Airborne Instrumentation for Astronomy III. procspie
- Ramelli R., Balemi S., Bianda M., Defilippis I., Gamma L., Hagenbuch S., Rogantini M., Steiner O., Stenflo J. O. (2010) ZIMPOL-3: a powerful solar polarimeter. SPIE conference “Telecopes and Instrumentation 2010”. San Diego, USA
- Ramelli R., IRSOL_Collaborators (2009) Observational programs at Istituto Ricerche Solari Locarno”,. The Dynamic Solar Corona CAS-IAU Joint Solar Eclipse Meeting. Suzhou, China
- Ramelli R., Bianda M., Trujillo Bueno J., Belluzzi L., Landi Degl'Innocenti E. (2009) Observations of the Joint Action of the Hanle and Zeeman Effects in the D2 line of BaII. Solar Polarization 5: In Honor of Jan Stenflo. Astronomical Society of the Pacific Conference Series
- Bianda M., Ramelli R., Gisler D. (2009) Observing the Second Solar Spectrum at IRSOL. Solar Polarization 5: In Honor of Jan Stenflo. Astronomical Society of the Pacific Conference Series
- Oklay N., Gandorfer A., Solanki S., Bianda M., Ramelli R. (2009) Spectropolarimetric Investigations of the Deep Photospheric Layers of Solar Magnetic Structures. Solar Polarization 5: In Honor of Jan Stenflo. Astronomical Society of the Pacific Conference Series
- Ramelli R. (2008) Instrumental developments and scientific programs at Istituto Ricerche Solari Locarno (IRSOL). International Summer School On Solar Polarization. Bamboo Sea, China
- Dao V., Küveler G., Ramelli R., Zuber A. (2008) Kommando orientiertes Automatisierungssystem auf TCP-Basis – Command Server. Vortrag im Rahmen des 5. fachwissenschaftlichen Kolloquiums Angewandte Automatisierungstechnik in Lehre und Entwicklung an Fachhochschulen (AALE 2008). Hochschule Harz (FH), Wernigerode.
- Ramelli R., Bianda M. (2007) Instrumental developments and scientific programs at Istituto Ricerche Solari Locarno (IRSOL). 2nd European General Assembly of the IHY. Torino, Italy
- Bianda M., Ramelli R., Feller A., Stenflo J. O., Küveler G. (2007) Instrumental developments at the Gregory Coudé Telescope (GCT) at IRSOL. Modern solar facilities - advanced solar science
- Feller A., Ramelli R., Stenflo J. O., Gisler D. (2007) Measurement of the Polarization of the Flash Spectrum during a Total Solar Eclipse. The Physics of Chromospheric Plasmas. Astronomical Society of the Pacific Conference Series
- Ramelli R., Bianda M., Trujillo Bueno J., Belluzzi L., Landi Degl'Innocenti E. (2007) Observations of the joint action of the Hanle and Zeeman effects in the D2 line of BaII. 5.th Solar Polarization Workshop (SPW5). Ascona, Switzerland
- Trujillo Bueno J., Ramelli R., Merenda L., Bianda M. (2007) The Magnetic Field of Solar Chromospheric Spicules. The Physics of Chromospheric Plasmas. Astronomical Society of the Pacific Conference Series
- Bianda M., Ramelli R., Stenflo J. O. (2007) Variation of the second solar spectrum with the solar cycle.
- Feller A., Stenflo J. O., Gisler D., Ramelli R. (2006) Eclipse Instrument to Record the Polarization of the Flash Spectrum. Solar Physics and Solar Eclipses (SPSE 2006)
- Feller A., Ramelli R., Stenflo J. O., Gisler D. (2006) First measurement of the polarization of the flash spectrum during a total solar eclipse. Coimbra Solar Physics Meeting, “The Physics of Chromospheric Plasmas”. Coimbra, Portugal
- Ramelli R., Bianda M., Stenflo J. O., Jetzer P. (2006) Solar Research Programs at IRSOL, Switzerland. Solar Physics and Solar Eclipses (SPSE 2006)
- Bianda M., Ramelli R., Trujillo Bueno J., Stenflo J. O. (2006) Spectro-Polarimetric Observations of Filaments in Hα and He D3. Astronomical Society of the Pacific Conference Series. Astronomical Society of the Pacific Conference Series
- Ramelli R., Bianda M., Trujillo Bueno J., Merenda L., Stenflo J. O. (2006) Spectro-Polarimetry of Solar Prominences. Astronomical Society of the Pacific Conference Series. Astronomical Society of the Pacific Conference Series
- Ramelli R., Bianda M., Merenda L., Trujillo Bueno J. (2006) The Hanle and Zeeman Effects in Solar Spicules. Astronomical Society of the Pacific Conference Series. Astronomical Society of the Pacific Conference Series
- Ramelli R., Bianda M. (2005) He-D3 polarization observed in prominences. Solar Magnetic Phenomena. Astrophysics and Space Science Library
- Bianda M., Ramelli R. (2005) Istituto Ricerche Solari Locarno: Instrumentation and Scientific Projects in Polarimetry. roceedings of the “IV Convegno della Ricerca Italiana in Fisica Solare e Relazioni Sole-Terra”, Trieste, Italy, October 18-20, 2005,. Memorie della Società Astronomica Italiana Supplementi
- Bianda M., Ramelli R., Trujillo Bueno J., Stenflo J. O. (2005) Spectropolarimetric observations of filaments in Hα and D3. 4th Solar Polarization Workshop. Boulder, Colorado, USA
- Ramelli R., Bianda M., Trujillo Bueno J., Merenda L., Stenflo J. O. (2005) Spectropolarimetric Observations of Prominences and Spicules. Conference on “Chromospheric and Coronal Magnetic Fields”. Katlenburg-Lindau, Germany
- Ramelli R., Bianda M., Trujillo Bueno J., Merenda L., Stenflo J. O. (2005) Spectropolarimetric Observations of Prominences and Spicules, and Magnetic Field Diagnostics. Chromospheric and Coronal Magnetic Fields. ESA Special Publication
- Ramelli R., Bianda M., Trujillo Bueno J., Merenda L., Stenflo J. O. (2005) Spectropolarimetry of Solar Prominences”. 4th Solar Polarization Workshop. Boulder, Colorado, USA
- Ramelli R., Merenda L., Trujillo Bueno J., Bianda M. (2005) The Hanle and Zeeman Effects in Solar Spicules. 4th Solar Polarization Worksho. Boulder, Colorado, USA
- Ramelli R., Bianda M. (2003) He-D3 polarization observed in prominences. 3rd Summerschool and Workshop. Solar Observatory Kanzelhöhe, Kärnten, Austria
Technical report (5)
- Setzer M., Küveler G., Zuber A., Bianda M., Ramelli R. (2013) Der Sonne auf der Spur
- Küveler G., Dao V., Ramelli R. (2012) Benutzeroberflächen für die Oeffentlichkeitsarbeit astronomischer Einrichtungen
- Küveler G., Dao V., Ramelli R. (2011) The new IRSOL solar telescope control system
- Küveler G., Dao V., Zuber A., Ramelli R. (2010) Robotic and Non-Robotic Control of Astrophysical Instruments
- Bulgheroni A., Bianda M., Caccia M., Cappellini C., Mozzanica A., Ramelli R., Risigo F. (2006) Characterization of a thinned back illuminated MIMOSA V sensor as a visible light camera (A, 565, 221)
