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Search: onr:"swepub:oai:DiVA.org:uu-197165" > Monitoring of activ...

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LIBRIS Formathandbok  (Information om MARC21)
FältnamnIndikatorerMetadata
00003163naa a2200697 4500
001oai:DiVA.org:uu-197165
003SwePub
008130318s1995 | |||||||||||000 ||eng|
024a https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-1971652 URI
040 a (SwePub)uu
041 a engb eng
042 9 SwePub
072 7a ref2 swepub-contenttype
072 7a art2 swepub-publicationtype
100a Erkens, U.4 aut
2451 0a Monitoring of active galactic nuclei. VI. The quasar Mrk 876
264 1c 1995
338 a print2 rdacarrier
520 a For pt. V see ibid., vol. 285, no. 3, p. 857-67 (1994). We present the results of a 6 month monitoring campaign of Mrk 876, a low luminosity quasar with M absap-24. High resolution spectroscopy and direct imaging in the Johnson filters B, V, R, I was carried out in the first half of 1990. Line and continuum light curves are presented. Mrk 876 showed a decrease of 17% in the continuum over the whole observing period whereas the line flux of Hbeta and Halpha stayed constant. This implies, that the radius of the broad line region is larger than 6 light months. Coadded spectra of Hbeta and Halpha are presented which confirm an extreme asymmetry of the line profiles to the red. With respect to much earlier spectra the line profiles changed considerably
650 7a NATURVETENSKAPx Fysikx Astronomi, astrofysik och kosmologi0 (SwePub)103052 hsv//swe
650 7a NATURAL SCIENCESx Physical Sciencesx Astronomy, Astrophysics and Cosmology0 (SwePub)103052 hsv//eng
653 a Experimental/ astronomical photometry
653 a galactic nuclei
653 a quasars
653 a visible spectra/ active galactic nuclei
653 a visible spectra
653 a Johnson photometry
653 a BVRI photometry
653 a high resolution spectra
653 a line light curves
653 a line intensity
653 a broad line region
653 a quasar morphology
653 a line profiles/ A9870J Quasars A9580J Photographic region astronomical observations A9575D Astronomical photographic and electronic imaging
653 a and photometry/ Mrk 876
653 a QSO 1613+658
700a Wagner, S. J.4 aut
700a Alloin, D.4 aut
700a Axon, D.4 aut
700a de Bruyn, A. G.4 aut
700a Clavel, J.4 aut
700a Goad, M. R.4 aut
700a Gondhalekar, P.4 aut
700a van Groningen, E.4 aut
700a Jackson, N.4 aut
700a Kollatschny, W.4 aut
700a Laurikainen, E.4 aut
700a Lawrence, A.4 aut
700a Masegosa, J.4 aut
700a OBrien, P.4 aut
700a Penston, M. V.4 aut
700a Perez, E.4 aut
700a Perez-Fournon, I.4 aut
700a Robinson, A.4 aut
700a Rodriguez Espinosa, J. M.4 aut
700a Stirpe, G. M.4 aut
700a Tadhunter, C.4 aut
700a Terlevich, R.4 aut
700a Unger, S.4 aut
773t Astronomy and Astrophysicsg 296:1, s. 90-9898q 296:1<90-9898x 0004-6361x 1432-0746
8564 8u https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-197165

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