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Träfflista för sökning "(WFRF:(Lawrence J)) srt2:(1995-1999)"

Search: (WFRF:(Lawrence J)) > (1995-1999)

  • Result 1-6 of 6
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2.
  • Erkens, U., et al. (author)
  • Monitoring of active galactic nuclei. VI. The quasar Mrk 876
  • 1995
  • In: Astronomy and Astrophysics. - 0004-6361 .- 1432-0746. ; 296:1, s. 90-9898
  • Journal article (peer-reviewed)abstract
    • 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
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3.
  • ERKENS, U, et al. (author)
  • MONITORING OF ACTIVE GALACTIC NUCLEI .6. THE QUASAR MKN-876
  • 1995
  • In: ASTRONOMY AND ASTROPHYSICS. - : SPRINGER VERLAG. - 0004-6361. ; 296:1, s. 90-98
  • Journal article (other academic/artistic)abstract
    • We present the results of a 6 month monitoring campaign of Mkn 876, a low luminosity quasar with M(abs) approximate to -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 a
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4.
  • Lagerkvist, C.-I., et al. (author)
  • Comet C/1996 R3
  • 1997
  • In: 1997IAUC.6564....1L.
  • Other publication (other academic/artistic)
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  • Result 1-6 of 6

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