Publications of András Ludmány
LUDMÁNY,A. 1977, The birth and initial stage of the large sunspot group of August 1972. Publ. Debrecen Obs. 3, 83-91. (In Russian)
NAGY,I., LUDMÁNY,A. 1980, The birth and development of a regular bipolar sunspot group. Publ. Debrecen Obs. 4, 3-31.
BARANYI,T., LUDMÁNY,A. 1983, Synthesis of H-alpha profiles from filter transmission functions Publ. Debrecen Obs. 5, 595-602.
LUDMÁNY,A. 1983, Asymmetry of non-splitting spectral lines in sunspots Publ. Debrecen Obs.5, 575-579.
LUDMÁNY,A. 1986, Study of spectral line asymmetry in sunspots. Publ. Debrecen Obs. 6, 5-10.
LUDMÁNY,A. 1986, Two-component modelling of sunspot spectral line profiles. Publ. Debrecen Obs.6, 11-23.
BARANYI,T., LUDMÁNY,A. 1990, Orientations of new sunspot groups. Publ. Debrecen Obs. 7, 114-115.
BARANYI,T., LUDMÁNY, A. 1992, Study of possible subsurface influences on the emerging active regions Solar. Phys. 139, 247-254.
BARANYI,T., LUDMÁNY,A. 1992, Semiannual fluctuation and efficiency factors in sun-weather relations J. Geophys. Res. 97, No.A10, 14923-14928.
BARANYI,T., LUDMÁNY, A. 1993, Detection possibility of the giant rolls in the Sun ASP Conference Series 40, 81-83.
BARANYI,T., LUDMÁNY,A. 1994, Distinction between the climatic effects of the solar corpuscular and electromagnetic radiation, Solar Phys. 152, 297-302.
BARANYI,T., LUDMÁNY,A. 1995, Role of the solar main magnetic dipole field in the solar-tropospheric relations. Part I. Semiannual fluctuations in Europe, Annales Geophysicae13, 427-436.
BARANYI,T., LUDMÁNY,A. 1995, Role of the solar main magnetic dipole field in the solar-tropospheric relations. Part II. Dependence on the types of solar sources, Annales Geophysicae 13, 886-892.
BARANYI,T., LUDMÁNY,A. 1995, Giant convective rolls and sunspot group tilts Publ. Obs. Astron. Belgrade 49, 81-88.
BARANYI,T., LUDMÁNY,A., Terdik,Gy. 1995, Semiannual fluctuation depending on the polarity of the solar main magnetic dipole field Journal of Geophysical Research 100, No. A8, 14801-14805.
GYŐRI,L., BARANYI,T., CSEPURA,G., GERLEI,O. LUDMÁNY,A. 1996, Debrecen Photoheliographic Data for the year 1986; Publ. Debrecen Obs. Heliogr. Ser. 10. 1-61.
BARANYI,T., LUDMÁNY,A. 1996, Some particle effects in the solar-terrestrial relations. in: Solar Drivers of Interplanetary and Terrestrial Disturbances (Proc. of XVIth Int.Workshop, NSO/Sac.Peak) eds.K.S. Balasubramaniam, S.L.Keil and R.N.Smartt,ASP Conference Series 95, 489-496.
BARANYI,T., LUDMÁNY,A. 1997, Some polarity conditions in corpuscular events. Solar Phys. 173, 383-389.
GYÕRI,L., BARANYI,T., CSEPURA,G., GERLEI,O., LUDMÁNY,A. 1998, Debrecen Photoheliographic Data for the year 1987 Publ. Debrecen Obs. Heliogr. Ser. 11, 1-45.
GYŐRI,L., BARANYI,T., CSEPURA,G., GERLEI,O., LUDMÁNY,A. 1998, Debrecen Photoheliographic Data for 1986; with image supplements Journal of Astronomical Data 4, 2 (ftp: fenyi.solarobs.epss.hu/pub/DPD/DPD1986.dat)
BARANYI,T., LUDMÁNY,A., Coffey,H. 1998, 22 year solar modulation of Earth's northern hemisphere temperatures, Geophys. Res. Lett. 25, 2269-2272.
LUDMÁNY,A., BARANYI,T. 1998, An indirect hint to the torsion of magnetic fields above active regions JOSO Annual Report 1997, 88-89.
LUDMÁNY,A., BARANYI,T., MEZŐ,G., 1999, Study of the fragmentation of solar active regions JOSO Annual Report 1998, .
BARANYI,T., LUDMÁNY,A., GYŐRI,L., Coffey,H.E., 1999 Comparison of three sunspot area databases Accepted to ESA-SP 448, (9th European Meeting on Solar Physics, Florence, Italy, 1999) 569-573
LUDMÁNY,A., BARANYI,T., MEZŐ,G., TÓTH,L., 1999 Clusters in solar active regions Accepted to ESA-SP 448, (9th European Meeting on Solar Physics, Florence, Italy, 1999) 613-615
Lozitsky,V.G., Lozitska,N.I., Lozitsky,V.,V., BARANYI,T., LUDMÁNY,A., MEZŐ,G., 1999, Evolution of magnetic fields and chromospheric structures in solar flare on June 26, 1981 Accepted to ESA-SP 448, (9th European Meeting on Solar Physics, Florence, Italy, 1999) 853-858
GYŐRI,L., BARANYI,T., CSEPURA,G., GERLEI,O., LUDMÁNY,A. 2000, Debrecen Photoheliographic Data for 1987; with image supplements Journal of Astronomical Data 6, 1
BARANYI,T., LUDMÁNY,A. 2000, Efficiency factors in the solar-tropospheric relations in: W. Schröder ed.: Long and Short Term Variability in Sun's History and Global Change, Interdivisional Commission on History of the IAGA, European Section. Newsletters of the Interd. Comm. History, No. 39,Science Edition, Bremen, 69-79. pdf
BARANYI,T., GYŐRI,L., LUDMÁNY,A., Coffey,H.E., 2001, Comparison of sunspot area databases Monthly Notices of R.A.S. 323(1) 223-230. pdf
LUDMÁNY,A., BARANYI,T. 2000, Comparative study of the atmospheric effects driven by irradiance vs. corpuscular radiation", ESA SP-463 (Proc. Euroconference: The Solar Cycle and Terrestrial Climate, Santa Cruz de Tenerife, Spain, September 25-30, 2000), pp. 141-144.pdf
GYŐRI, L., BARANYI, T., LUDMÁNY, A., GERLEI, O., CSEPURA, G.: 2001, Debrecen Photoheliographic Data for 1988, Publ. Debrecen Obs. Heliogr. Series, 12, pp. 1-60 pdf
BARANYI T., LUDMÁNY,A.: 2001 Relevance of the topologies of solar ejected plasmas in tropospheric processes ESA SP-477, pp. 423-426.
BARANYI,T., LUDMÁNY,A., 2002, Effects of solar polarity reversals on geoeffective plasma streams, submitted to Journal of Geophysical Research - Space Physics
MURAKÖZY, J., Vince, I., LUDMÁNY, A.: 2003, Instrumental profile of the Debrecen Solar Spectrograph, Serb. Astron. J., 167, 81 - 85, pdf
BARANYI, T., LUDMÁNY, A.: 2003, Effects of solar polarity reversals on geoeffective plasma streams, J. Geophys. Res., 108, No. A5, 1212, doi:10.1029/2002JA009553, pdf preprint
GYŐRI, L., BARANYI, T., LUDMÁNY,A., MEZŐ, G.: 2003, Current status of the Debrecen Photoheliographic Data, ESA SP-535 (Proc. ISCS 2003: Solar variability as an input to the Earth's environment, June 23-28, 2003, Tatranska Lomnica, Slovak Republic), 707-710, pdf
BARANYI, T., LUDMÁNY,A.: 2003, Semiannual behaviour of monthly mean of Bz component of geoeffective (Kp>3) coronal mass ejections , ESA SP-535 (Proc. ISCS 2003: Solar variability as an input to the Earth's environment, June 23-28, 2003, Tatranska Lomnica, Slovak Republic), 563-566, pdf
Szasz,C., Kero, J., BARANYI, T., GYŐRI, L., LUDMÁNY,A., MEZŐ, G.: 2003, An active region quasi-biennial oscillation, ESA SP-535 (Proc. ISCS 2003: Solar variability as an input to the Earth's environment, June 23-28, 2003, Tatranska Lomnica, Slovak Republic), 153-155, pdf
GYŐRI, L., BARANYI, T., LUDMÁNY, A., GERLEI, O., CSEPURA, G., MEZŐ, G.: 2004, Debrecen Photoheliographic Data for 1993-95, Publ. Debrecen Obs. Heliogr. Series, 17-19, 1-85, ftp
MEZŐ,
G., BARANYI, T., MURAKÖZY,
J., GYŐRI, L.: 2004, Statistical
study of the East-West asymmetry of sunspots, in:
Proc.
IAU Symposium No.223 "Multi-Wavelength Investigations of Solar
Activity",
eds: A. V. Stepanov, E. E. Benevolenskaya, and A. G.
Kosovichev, Cambridge, UK: Cambridge University Press, 285-286, pdf
BARANYI,
T., LUDMÁNY, A.:
2005, Symmetric or asymmetric energy transfer from Interplanetary
Coronal Mass Ejections
to the magnetosphere depending on the
solar dipole, Adv.
Space Res., 35,
421-425, pdf
MURAKÖZY, J., MEZŐ, G., LUDMÁNY, A., GYŐRI, L.: 2005, Search for possible connections of sunspot features and torsional waves, Hvar Obs. Bull., 29, 31-37, pdf
BARANYI, T., LUDMÁNY, A.: 2005, Geoeffective and climate-influencing solar and interplanetary conditions, Hvar Obs. Bull., 29, 251-260, pdf
Vince, I., Vince, O., LUDMÁNY, A., Andriyenko, O.: 2005, The Mn I 539.47 nm line variation in solar active regions, Solar Physics, 229, 273-285, pdf
GYŐRI, L., BARANYI, T., MURAKÖZY, J., LUDMÁNY, A.: 2005, Recent advances in the Debrecen sunspot catalogues, Mem. S.A.It., 76, 981, pdf
GYŐRI, L., BARANYI, T., MURAKÖZY, J., LUDMÁNY, A.: 2005, Comparison of sunspot area data determined from ground-based and space-borne observation, Mem. S.A.It., 76, 985, pdf
BARANYI, T., LUDMÁNY, A.: 2006, Possible north–south asymmetry related to the mean Bz of interplanetary coronal mass ejections, Adv. Space Res., 38 (Issue 5), 931, pdf
GYŐRI, L., BARANYI, T.: 2006, Comparison of SOHO and Debrecen Photoheliographic Data sunspot areas for the years 1996 and 1997, Proc. SOHO-17: 10 Years of SOHO and Beyond, 7 – 12 May 2006, Giardini Naxos, Sicily (Italy), Edited by H. Lacoste and L. Ouwehand, ESA SP-617, European Space Agency, 2006, Published on CDROM, p.130.1, pdf
MURAKÖZY, J., LUDMÁNY, A.: 2006, Connection of sunspot's distribution with the torsional wave, In: Proceedings of the 4th Workshop of Young Researchers in Astronomy & Astrophysics; Budapest, Hungary, 11-13 January, 2006; Publications of the Astronomy Department of the Eötvös University (PADEU), (Edited by E. Forgács-Dajka), 17, 23, pdf
MURAKÖZY, J., LUDMÁNY, A.: 2008, Cycle dependence of the longitudinal-latitudinal sunspot motion correlations, A&A 486, 1003-1007, DOI: 10.1051/0004-6361:20078456, pdf
MURAKÖZY, J., LUDMÁNY, A.: 2008, Temporal Variations of Coriolis-turns in the Photosphere, Cent. Eur. Astrophys. Bull., 32, 133-139, pdf
MURAKÖZY, J., LUDMÁNY, A.: 2010, North-south differences of solar cycles, Cent. Eur. Astrophys. Bull., 34, 99. pdf
MURAKÖZY, J., LUDMÁNY, A.: 2011, Considerations on the Spörer-diagram – Torsional Wave Relationship, Cent. Eur. Astrophys. Bull., 35, 45-49. pdf
GYŐRI, L., BARANYI, T., LUDMÁNY, A.: 2011, Photospheric data programs at the Debrecen Observatory, IAU Symp. 273, 403-407., DOI:10.1017/S174392131101564X, pdf preprint
MURAKÖZY, J., LUDMÁNY, A.: 2011, Correlations of magnetic features and the torsional pattern, IAU Symp., 273, 394-398., DOI:10.1017/S1743921311015626, pdf preprint
MURAKÖZY, J., LUDMÁNY, A.: 2011, Phase-lags of solar hemispheric cycles, MNRAS, 419, 3624-3630., DOI: 10.1111/j.1365-2966.2011.20011.x pdf preprint
MURAKÖZY, J., BARANYI, T., LUDMÁNY, A.: 2012, Development and morphology of leading-following parts of sunspot groups, Cent. Eur. Astrophys. Bull., 36, 1-8. pdf
GYENGE, N., BARANYI, T., LUDMÁNY, A.: 2012, Distribution of activity at the solar active longitudes between 1979 - 2011 in the northern hemisphere, Cent. Eur. Astrophys. Bull., 36, 9-16. pdf
MURAKÖZY, J., LUDMÁNY, A.: 2012, Phase lags of solar hemispheric cycles, MNRAS, 419, 3624-3630, DOI: 10.1111/j.1365-2966.2011.20011.x, pdf
GYENGE, N., BARANYI, T., LUDMÁNY, A.: 2013, Variations of Solar Non-axisymmetric Activity, Cent. Eur. Astrophys. Bull., 37, 417-424, pdf
KORSÓS, M. B., BARANYI, T., LUDMÁNY, A.: 2013, Study of Sunspot Group Morphological Variations Leading to Flaring Events, Cent. Eur. Astrophys. Bull., 37, 425-434, pdf
MURAKÖZY, J., BARANYI, T., LUDMÁNY, A.: 2014, Sunspot Group Development in High Temporal Resolution, Solar Phys., 289, 563-577, DOI: 10.1007/s11207-013-0416-3 pdf
GYENGE, N., BARANYI, T., LUDMÁNY, A.: 2014, Migration and Extension of Solar Active Longitudinal Zones, Solar Phys., 289, 579-591, DOI: 10.1007/s11207-013-0424-3, pdf
KORSÓS, M. B., BARANYI, T., LUDMÁNY, A.: 2014, Pre-flare Dynamics of Sunspot Groups, ApJ, 789, issue 2, article id. 107, 7 pp, DOI: 10.1088/0004-637X/789/2/107, pdf
KORSÓS, M. B., GYENGE, N., BARANYI, T., LUDMÁNY, A.: 2015, Dynamic Precursors of Flares in Active Region NOAA 10486, JApA, 36, 111-121, DOI: 10.1007/s12036-015-9329-x, pdf
GYENGE, N., LUDMÁNY, A., BARANYI, T.: 2016, Active Longitude and Solar Flare Occurrences, ApJ, 818, Issue 2, article id. 127, 8 pp., pdf
BARANYI, T., GYŐRI, L., LUDMÁNY, A.: 2016, Heritage of Konkoly's Solar Observations: the Debrecen Photoheliograph Programme and the Debrecen Sunspot Databases, arXiv:1608.08419, pdf
MURAKÖZY, J., BARANYI, T., LUDMÁNY, A.: 2016, An Alternative Measure of Solar Activity from Detailed Sunspot Datasets, Solar Phys., 291, 2941-2950, DOI: 10.1007/s11207-016-0898-x pdf
BARANYI, T., GYŐRI, L., LUDMÁNY, A.: 2016, On-line Tools for Solar Data Compiled at the Debrecen Observatory and Their Extensions with the Greenwich Sunspot Data, Solar Phys., 291, Issue 9-10, pp. 3081-3102, DOI: 10.1007/s11207-016-0930-1, pdf
GYŐRI, L., LUDMÁNY, A., BARANYI, T.: 2017, Comparative analysis of Debrecen sunspot catalogues, MNRAS, 465, 1259-1273, DOI: 10.1093/mnras/stw2667, pdf
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November 2022.
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