期刊
SOLAR PHYSICS
卷 291, 期 9-10, 页码 3081-3102出版社
SPRINGER
DOI: 10.1007/s11207-016-0930-1
关键词
Sunspots; Active regions; Magnetic fields
资金
- European Community [284461, 218816]
- ESA PECS [98017, C98081]
- National Development Agency [BONUS_HU_08/2009-003, TAMOP 4.2.2.C-11/1/KONV/2012-0015]
- U.S.-Hungarian Joint Fund for Science and Technology [95a-524]
- SCOSTEP supplemental STEP grant
- Hungarian Ministry of Cultural Heritage [SzOP422]
- Hungarian National Foundation for Scientific Research [OTKA T037725, T025640, T019829, T014036, T007422, F4142, P31104, U21342]
- National Science Foundation (NSF) [0236682]
- NASA
- ONR
- NSF
- Mt. Wilson Institute
- NASA [NNG06GE13G]
- Austrian Science Fund (FWF) [P31104] Funding Source: Austrian Science Fund (FWF)
- Div Atmospheric & Geospace Sciences
- Directorate For Geosciences [0236682] Funding Source: National Science Foundation
The primary task of the Debrecen Heliophysical Observatory (DHO) has been the most detailed, reliable, and precise documentation of the solar photospheric activity since 1958. This long-term effort resulted in various solar catalogs based on ground-based and space-borne observations. A series of sunspot databases and on-line tools were compiled at DHO: the Debrecen Photoheliographic Data (DPD, 1974-), the dataset based on the Michelson Doppler Imager (MDI) of the Solar and Heliospheric Observatory (SOHO) called SOHO/MDI-Debrecen Data (SDD, 1996 - 2010), and the dataset based on the Helioseismic and Magnetic Imager (HMI) of the Solar Dynamics Observatory (SDO) called SDO/HMI-Debrecen Data (HMIDD, 2010-). User-friendly web-presentations and on-line tools were developed to visualize and search data. As a last step of the compilation, the revised version of Greenwich Photoheliographic Results (GPR, 1874 - 1976) catalog was converted to DPD format, and a homogeneous sunspot database covering more than 140 years was created. The database of images for the GPR era was completed with the full-disc drawings of the Hungarian historical observatories Ogyalla and Kalocsa (1872 - 1919) and with the polarity drawings of Mount Wilson Observatory. We describe the main characteristics of the available data and on-line tools.
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