Publications
of the Heliophysical Observatory
since 2000
- 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, PDF
- 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, 39,
Science
Edition, Bremen, 69-79, PDF
- Medovarszki, T., Bencze,
P., LUDMÁNY, A.: 2000, Considerations about the
ionospheric effects of the 1999 eclipse, Proc. 15. Solar Coelostat
Seminar, 2000, Hurbanovo, Slovak Republic, 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, Sep. 25-30, 2000), 141-144, html, PDF
- TÓTH, L., GERLEI, O.: 2000, Tilt angle
variation through the 14th sunspot cycle, ESA SP-463
(Proc. Euroconference:
The Solar Cycle and Terrestrial Climate, Santa Cruz de Tenerife, Spain,
Sep. 25-30, 2000), 439-441.
- TÓTH, L., Szegedi, S.: 2000,
Relationships between ionospheric disturbances and changes of
sea level pressure over the Arctic, ESA SP-463 (Proc.
Euroconference: The Solar Cycle and Terrestrial Climate, Santa Cruz de
Tenerife,
Spain, Sep. 25-30, 2000), 529-531.
- GYŐRI, L., BARANYI, T.,
LUDMÁNY, A., GERLEI, O., CSEPURA, G.: 2001, Debrecen
Photoheliographic Data for 1988, Publ. Debrecen Obs. Heliogr. Series,
12, 1-60, ftp
- BARANYI, T., GYŐRI, L.,
LUDMÁNY, A., Coffey, H.E.: 2001, Comparison of sunspot
area data bases, Monthly Notices of R.A.S., 323(1),
223-230, PDF
- BARANYI, T., LUDMÁNY,
A.: 2001, Relevance of the topologies of solar ejected
plasmas in tropospheric processes, ESA SP-477 (Proc. of the Second
Solar Cycle and Space Weather Euroconf., 24 - 29 Sep. 2001, Vico
Equense, Italy), 423-426, PDF
- Peterova, N.G., Soloviev,
A.A., CSEPURA, G.: 2001, On the sudden depression of radio
emission from plasma above a fast-moving sunspot, Solar
Phys.,
201, 137-152.
- KÁLMÁN, B.: 2001,
Submergence of magnetic flux in interaction of sunspot groups, Astronomy
and Astrophysics, 371, 731-737, PDF
- van Driel-Gesztelyi, L.,
Schmieder, B., BARANYI, T.:
2002, Evolution of the source region of the
interplanetary magnetic cloud of 18-20 Oct. 1995, Adv. Space Res.,
29(10), 1489-1492, PDF
- GYŐRI, L., BARANYI, T.,
Turmon, M., Pap, J.M.: 2002, Comparison of image-processing
methods to extract solar features, ESA SP-508 ( Proc.
SOHO-11,
Davos, 2002), 203-208, PDF
- Major, B., LUDMÁNY,
A.: 2002, Pulsational course of the flare in 19th of July
1999, ESA SP-505 (Proc. of the Magnetic Coupling of the Solar
Atmosphere Euroconf. and IAU Coll. 188, 11 - 15 June 2002,
Santorini, Greece), 493-495, PDF
- KÁLMÁN, B.: 2002, On the outer boundary of
the
sunspot penumbra, Solar Phys., 209, 109-117, PDF
- TÓTH, L., MEZŐ, Gy.,
GERLEI, O.: 2002, Haynald Observatory Photosphere Observations
1880-1919, JHA, 33, 278, ftp
- BARANYI, T., LUDMÁNY,
A.: 2002, Geoeffective factors of solar plasma streams, ESA
SP-506 (Proc. 10th European Solar Phys. Meet. : Solar
variability: from
core to outer frontiers , 9 - 14 Sep. 2002, Prague, Czech Republic),
109-113, PDF
- LUDMÁNY, A., Major, B.,
Nakariakov, V.M.: 2003, Quasi-periodic behaviour of a flare ribbon
system, Publ. Astr. Dept. Eötvös Univ. (Proc. NATO Advanced
Research Workshop: Turbulence, Waves and Instablities in the Solar
Plasma),
Budapest, 2002, 139-143, pdf
- TÓTH, L., GERLEI,
O.: 2003, On the orientational relaxation of bipolar
active regions, Publ. Astr.
Dept. Eötvös Univ. (Proc. NATO Advanced Research Workshop: Turbulence,
Waves and Instablities in the Solar Plasma), 95-100, PDF
- TÓTH, L., Szegedi,
S.: 2003, Impacts of space weather on sea-level
pressure over the auroral oval, Weather, 58, 229-239
- 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.:
2003, Compiling sunspot catalogue: the princeples, Proc. SIRW
Meeting, (Oct. 23-24, 2003, Royal Observatory of Belgium),
CD-ROM, PDF
- TÓTH,L., GERLEI,O.: 2004,
On the dynamic disconnection of rising omega loops, Solar Phys., 220, 43-59
- GYŐRI, L., BARANYI, T.,
Turmon, M., Pap, J.M.:
2004, Study of differences between sunspot area data determined from
ground-based and space-borne observations, Adv. Space Res., 34,
269-273, 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
- MEZŐ, G., BARANYI, T., GYŐRI, L.: 2005, Debrecen
Photoheliographic Data and its comparison with other sunspot databases,
in: Solar Magnetic Phenomena, (Proc. "Solar Magnetic
Phenomena" Summer School and Workshop at the Kanzelhöhe Solar
Observatory, 2003), eds.: A. Hanslmeier, A.
Veronig and M. Messerotti, Astrophys. Space Sci. Library,
320,
247-250, 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
- MEZŐ, G., MURAKÖZY, J., BARANYI, T., GYŐRI, L.:
2005, East-West asymmetry on the solar disk, Hvar Obs. Bull., 29,
99-107, PDF
- BARANYI, T., LUDMÁNY, A.:
2005, Geoeffective and climate-influencing solar and interplanetary
conditions,
Hvar Obs. Bull., 29, 251-260, PDF
- GYŐRI, L. : 2005,
Automated determination of the alignment of solar images, Hvar
Obs.
Bull., 29, 299-308, 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
- MEZŐ, G., BARANYI, T.: 2005, HTML
presentation of the Debrecen Photoheliographic Data sunspot
catalogue, Mem. S.A.It.,
76, 1004, 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
- MEZŐ, G., BARANYI, T.: 2006, East-West
Asymmetry in the sunspot number distribution on the basis of different
sunspots catalogues, 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, 15, 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
- GYŐRI, L.: 2010, Precise
Determination of the Orientation of the Solar Image, Solar Physics, 267, 445-461, DOI:
10.1007/s11207-010-9663-8
- 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, Proceedings of the International Astronomical Union, Vol. 6, Symposium S273, August 2010, 403-407., DOI:10.1017/S174392131101564X, PDF preprint
- Lefèvre, L., Clette, F., BARANYI, T.: 2011, In-depth survey of
sunspot and active region catalogs, IAU
Symp., 273., August 2010, 221-225., DOI:10.1017/S1743921311015286
- MURAKÖZY,
J., LUDMÁNY, A.:
2011, Correlations of magnetic features and the torsional pattern, IAU Symp., 273, 394-398., DOI:10.1017/S1743921311015626, PDF preprint
- Poljančić, I., Brajša, R.,
Hržina, D., Wöhl, H., Hanslmeier, A., Pötzi, W., BARANYI, T., Özgüç, A., Singh, J., Ruždjak, V.:
2011, Differences in Heliographic Positions and Rotation Velocities of
Sunspot Groups from Various Observatories, Cent. Eur. Astrophys. Bull., 35, 59-70, PDF
- 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
- BARANYI, T., Pap, J.M.: 2012,
Active region properties and irradiance
variations, Advances in Space
Research, 50, 676-682, DOI: 10.1016/j.asr.2011.11.037, PDF preprint
- GYŐRI, L.: 2012, Study of differences between sunspot and white light facular area data determined from SDO/HMI and SOHO/MDI observations, Solar Physics, 280, 365-378, DOI: 10.1007/s11207-012-9987-7, 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
- BARANYI, T., Király, S., Coffey, H. E.:
2013, Indirect comparison of Debrecen and Greenwich daily sums of sunspot areas, MNRAS, 434 (2), 1713-1720, DOI: 10.1093/mnras/stt1134, PDF preprint
- GYENGE, N., BARANYI, T., LUDMÁNY, A.:
2013, Variations of solar non-axisymmetric activity, Cent. Eur.
Astrophys. Bull., 37, 417-424 PDF preprint
- 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 preprint
- 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 preprint
- 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 preprint
- Balázs, L. G., GYENGE, N., KORSÓS, M. B., BARANYI, T., Forgács-Dajka, E., Ballai, I.:
2014, Statistical relationship between the succeeding solar flares detected by the RHESSI satellite, MNRAS, 441, 1157-1165, doi:10.1093/mnras/stu609, PDF preprint
- KORSÓS, M. B., BARANYI, T., LUDMÁNY, A.:
2014, Pre-flare dynamics of sunspot groups, ApJ, 789, 107, doi:10.1088/0004-637X/789/2/107 , PDF preprint
- BARANYI, T.:
2015, Comparison of Debrecen and Mount Wilson/Kodaikanal sunspot group tilt angles and the Joy's law, MNRAS, 447, (4): 1857-1865, doi:10.1093/mnras/stu2572 , PDF preprint
- Wang, Y.-M., Colaninno, R. C., BARANYI, T., Li, J.:
2015, Active-Region Tilt Angles: Magnetic Versus White-Light Determinations of Joy's Law, ApJ, 798, 50, doi:10.1088/0004-637X/798/1/50 , PDF preprint
- KORSÓS, M. B., LUDMÁNY, A., ERDÉLYI, R., BARANYI, T.:
2015, On flare predictability based on sunspot group evolution, ApJ, 802, L21, doi:10.1088/2041-8205/802/2/L21 , PDF preprint
- KORSÓS, M. B., GYENGE, N., BARANYI, T., LUDMÁNY, A.:
2015, Dynamic Precursors of Flares in Active Region NOAA 10486, JAA, in press, Online First, doi:10.1007/s12036-015-9329-x , PDF preprint
- GYENGE, N., Bennett, S., ERDÉLYI, R.:
2015, Non-homogeneous Behaviour of the Spatial Distribution of Macrospicules, JAA, in press, Online First, doi:10.1007/s12036-015-9316-2 , PDF preprint
- GYŐRI, L.: 2015,
Automation of tracking various sunspot group entities and demonstrating its usage on the flaring NOAA AR 11429, Solar Phys. Online First, DOI:10.1007/s11207-015-0714-z, PDF preprint
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