<?xml version='1.0'?><?xml-stylesheet href='/static/xsl/oai.xsl' type='text/xsl'?><ri:Resource created="2024-12-05T12:39:57Z" status="active" updated="2026-02-27T07:27:06Z" version="1.2" xmlns:ri="http://www.ivoa.net/xml/RegistryInterface/v1.0" xmlns:vr="http://www.ivoa.net/xml/VOResource/v1.0" xmlns:vs="http://www.ivoa.net/xml/VODataService/v1.1" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.ivoa.net/xml/RegistryInterface/v1.0 http://vo.ari.uni-heidelberg.de/docs/schemata/RegistryInterface.xsd http://www.ivoa.net/xml/VOResource/v1.0 http://vo.ari.uni-heidelberg.de/docs/schemata/VOResource.xsd http://www.ivoa.net/xml/VODataService/v1.1 http://vo.ari.uni-heidelberg.de/docs/schemata/VODataService.xsd" xsi:type="vs:DataService"><title>spectra_agn_archive Datalink Service</title><identifier>ivo://fai.kz/spectra_agn_archive/q/sdl</identifier><curation><publisher>Fesenkov Astrophysical Institute</publisher><creator><name>Fesenkov Astrophysical Institute</name></creator><date role="Updated">2026-03-14T13:30:48Z</date><contact><name>FAI NVO Team</name><address>Observatory 23, 050020 Almaty, Kazakhstan</address><email>vo@fai.kz</email></contact></curation><content><subject>active-galactic-nuclei</subject><subject>history-of-astronomy</subject><description> The archive of AGN spectral observations is obtained on AZT-8
telescope at the Fesenkov Astrophysical Institute (FAI), Almaty,
Kazakhstan. It represents the result of observations for abot 25 years
- from 1970 to 1995. All observations were carried out at AZT-8 (D =
700 mm, F[main] = 2800 mm, F[Cassegrain] = 11000 mm) with a high-power
spectrograph. In 1967-68, on the basis of the image intensifier
(https://doi.org/10.1080/1055679031000084795a) developed and assembled
the spectrograph of the original design in the workshops of the FAI.</description><source format="bibcode">2023ExA....56..557S</source><referenceURL>https://dachs.fai.kz/spectra_agn_archive/q/sdl/info</referenceURL><type>Archive</type><contentLevel>Research</contentLevel></content><facility>Fesenkov Astrophysical Institute</facility><instrument>AZT-8</instrument><coverage><waveband>Optical</waveband></coverage></ri:Resource>