Monitoring of active galactic nuclei. VI. The quasar Mrk 876
1995 (English)In: Astronomy and Astrophysics, ISSN 0004-6361, E-ISSN 1432-0746, Vol. 296, no 1, 90-9898 p.Article in journal (Refereed) Published
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
Place, publisher, year, edition, pages
1995. Vol. 296, no 1, 90-9898 p.
Experimental/ astronomical photometry, galactic nuclei, quasars, visible spectra/ active galactic nuclei, visible spectra, Johnson photometry, BVRI photometry, high resolution spectra, line light curves, line intensity, broad line region, quasar morphology, line profiles/ A9870J Quasars A9580J Photographic region astronomical observations A9575D Astronomical photographic and electronic imaging, and photometry/ Mrk 876, QSO 1613+658
Astronomy, Astrophysics and Cosmology
IdentifiersURN: urn:nbn:se:uu:diva-197165ISI: 4974576OAI: oai:DiVA.org:uu-197165DiVA: diva2:611958