Journal
JOURNAL OF INFRARED MILLIMETER AND TERAHERTZ WAVES
Volume 38, Issue 4, Pages 403-412Publisher
SPRINGER
DOI: 10.1007/s10762-016-0346-x
Keywords
Terahertz time-domain imaging; Easel painting; Terahertz; IR reflectography; X-radiography; Cultural heritage
Funding
- Consejo Nacional de Ciencia y Tecnologia CONACYT [255114, 252939]
- Swiss National Science Foundation (SNSF) [P2SKP2_16321 / 1]
- UC MEXUS
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Four easel paintings attributed to Hermenegildo Bustos (Purisima del Rincn, Guanajuato, Mexico), one of the most renowned painters of the late nineteenth and early twentieth century Mexican art, have been investigated by means of terahertz time-domain imaging (THz-TDI) and standard imaging techniques, such as near-IR reflectography and X-ray radiography. The archival sources and the recent studies on the paintings suggest that the artworks were created in the eighteenth century and underwent several modifications since then until the intervention of Bustos who authored the currently visible depictions. By combining the records of the paintings obtained by imaging with the different methodologies, aspects of the previous depictions and further details on the paintings' history have been revealed, with THz-TDI playing a key role in attributing a chronological evolution of the images. The paintings of Purisima are the first THz-TDI-scanned paintings belonging to the Mexican cultural heritage.
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