Documentdetail
ID kaart
oai:arXiv.org:2409.01629
Onderwerp
Astrophysics - Instrumentation and...Auteur
Yanagisawa, Kenshi Furusho, Reiko Nemoto, Shiomi Kasuga, Toshihiro Iwashita, Yumi Watanabe, Jun-ichiCategorie
wetenschappen: astrofysica
Jaar
2024
vermelding datum
11-09-2024
Trefwoorden
spectra results commercial scanner flatbed spectroscopicBeschrijving
The intensity spectra recovered from the spectroscopic photographic plates were compared with the CCD spectra, and we found the difference between the two was 2.5%.
The measurements were taken using a commercial flatbed scanner instead of a microdensitometer.
The results indicate that the following two statements are inaccurate: (1) Correct measurement of spectroscopic plates requires a microdensitometer, and a commercial flatbed scanner is insufficient; (2) The spectrophotometric accuracy of spectroscopic plate is approximately 10% accurate.
These results will encourage the creation and publication of a digital archive of spectroscopic plates.
This paper presents the measurement of spectroscopic plates, the method of recovering intensity spectra from photographic density spectra, the results of comparison with CCD spectra, and discusses the causes of the high accuracy spectra obtained with a commercial flatbed scanner.
Yanagisawa, Kenshi,Furusho, Reiko,Nemoto, Shiomi,Kasuga, Toshihiro,Iwashita, Yumi,Watanabe, Jun-ichi, 2024, Spectrophotometric accuracy of spectra obtained from spectroscopic plates measured with a commercial flatbed scanner
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