Archives of CrAO spectral observations. Catalogues of objects and images

TL;DR

This paper presents a comprehensive catalog of 90 years of spectral observations from Crimea's CrAO, integrating digitized data with original observations and providing interactive access via the Aladin Sky Atlas.

Contribution

It offers a detailed archive of spectral data, linking digitized observations with original spectrograms and enabling interactive access, which enhances historical astronomical data usability.

Findings

Catalogues cover 90 years of spectral data.

Integration of digitized observations with original spectrograms.

Interactive access through Aladin Sky Atlas.

Abstract

The work described in this article is a continuation of the previously initiated research on archival spectral observations carried out in the Crimea. It covers a time interval of about 90 years and contains information about spectroscopy using various facilities: from the wide-angle astrographs with an objective prism to the main CrAO telescope - ZTSh. A brief history of telescopes and their equipment are presented. The article is illustrated with the possibilities of network access to the catalogues of observations taken with various instruments in the interactive Aladin Sky Atlas with the redirection to the original spectrograms. For this aim, the linear coordinates of the scanned negatives were converted into a scale which corresponds to the wavelengths. The possibilities of taking into account the spectral sensitivity of the recorded images by the absolute energy distribution are shown. A feature of this work is the connection of digitized original observations and the results of their independent processing with the data published for objects in the "Izvestiya of the Crimean Astrophysical Observatory" journals.