Precision and Exactitude in the Analysis of Stellar Spectra: How Conviction and Circumstance Shaped Anton Pannekoek’s Scientific Persona and Practice

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Abstract Summary
The astrophysical research of Anton Pannekoek (1873-1960) is characterized by epistemic virtues like precision, diligence, and exactitude, which he valued over expeditiousness or scope. In theoretical research these virtues were present in his development of laborious numerical methods for the fine analysis of stellar spectra, while in observation research, they were evident in the excruciating detail with which he and his students measured the spectra of only a small number of stars. In part, his approach to astrophysics was shaped by the fact that he was an isolated astronomer without an observatory. The early twentieth century saw the founding of large photographic observatories taking on massive broad-scope cataloguing projects. To establish his own niche, Pannekoek decided to focus on the precise measurement of stellar spectra, spending years measuring only a small number of borrowed photographic plates. While Pannekoek’s adherence to precision and exactitude complied with practical constraints, it also reflected his ideas on the role of science in society. A reputed astronomer, Pannekoek was also a noted and influential Marxist theorist. In his socialist and historical writings, he emphasized that science had above all to be beneficial for society – not only by providing technological advances, but especially by exemplifying a way of thinking. From this standpoint, Pannekoek’s projected self-image of an observational astronomer who focused on precision and work ethic over expeditiousness or scope coincided with the general role he envisioned for scientists in society.
Abstract ID :
HSS398
Submission Type
Abstract Topics
Chronological Classification :
20th century, early
Self-Designated Keywords :
astrophysics, astrophotography, scientific persona, science and society
University of Amsterdam

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