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Träfflista för sökning "WFRF:(Axon D.) srt2:(1995-1999)"

Search: WFRF:(Axon D.) > (1995-1999)

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1.	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
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
3.	Koratkar, A, et al. (author) The disappearing broad absorption lines and variable emission lines in NGC 3516 1996 In: ASTROPHYSICAL JOURNAL. - : UNIV CHICAGO PRESS. - 0004-637X. ; 470:1, s. 378-393 Journal article (other academic/artistic)abstract The Seyfert 1 galaxy NGC 3516 was monitored during 1993 February 16-May 13 by IUE every 4 days for the first month, and then every 2 days for 2 months giving a total of 40 observations. This paper gives the initial results from this campaign, (1) The broa
4.	KORISTA, KT, et al. (author) STEPS TOWARD DETERMINATION OF THE SIZE AND STRUCTURE OF THE BROAD-LINE REGION IN ACTIVE GALACTIC NUCLEI .8. AN INTENSIVE HST, IUE, AND GROUND-BASED STUDY OF NGC-5548 1995 In: ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES. - : UNIV CHICAGO PRESS. - 0067-0049. ; 97:2, s. 285-330 Journal article (other academic/artistic)abstract We present the data and initial results from a combined HST/IUE/ground-based spectroscopic monitoring campaign on the Seyfert 1 galaxy NGC 5548 that was undertaken in order to address questions that require both higher temporal resolution and higher signa

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Result 1-4 of 4

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Type of publication: journal article (4)

Type of content: other academic/artistic (3); peer-reviewed (1)

Author/Editor: Robinson, A (3); Clavel, J (3); Alloin, D. (3); Axon, D. (3); Perez, E. (2); O'Brien, P. (2); show more...; Jackson, N (2); Masegosa, J. (2); Laurikainen, E (2); Lawrence, A. (2); Wamsteker, W. (2); Gondhalekar, P. (2); Kollatschny, W. (2); Horne, K. (2); OBrien, PT (2); ERKENS, U (2); GOAD, MR (2); Wagner, S. J. (1); Shrader, C. (1); Benitez, E. (1); Pitts, R (1); Perez, M (1); de Bruyn, A. G. (1); Goad, M. R. (1); Perez-Fournon, I. (1); Unger, S (1); Blackwell, J (1); Carini, M. (1); Netzer, H. (1); Barr, P. (1); Koratkar, A. (1); Stirpe, G. M. (1); van Groningen, E. (1); Salamanca, I. (1); Wanders, I. (1); Penston, M. V. (1); Rodriguez Espinosa, ... (1); Tadhunter, C. (1); Terlevich, R. (1); Crenshaw, DM (1); Malkan, MA (1); Peterson, BM (1); Korista, KT (1); Kriss, GA (1); Krolik, JH (1); WAGNER, SJ (1); DEBRUYN, AG (1); VANGRONINGEN, E (1); PENSTON, MV (1); PEREZFOURNON, I (1); show less...

University: Uppsala University (4)

Language: English (4)

Research subject (UKÄ/SCB): Natural sciences (1)

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