Galassia di Seyfert (Italian Wikipedia)

Analysis of information sources in references of the Wikipedia article "Galassia di Seyfert" in Italian language version.

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S. Bianchi, M. Guainazzi e M. Chiaberge, The soft X-ray/NLR connection: a single photoionized medium?, in Astronomy & Astrophysics, vol. 448, n. 2, 2006-03, pp. 499–511, DOI:10.1051/0004-6361:20054091. URL consultato il 6 febbraio 2023.

archive.org

C. K. Seyfert, Nuclear Emission in Spiral Nebulae, in Astrophysical Journal, vol. 97, 1943, pp. 28–40, Bibcode:1943ApJ....97...28S, DOI:10.1086/144488.

doi.org

dx.doi.org

C. K. Seyfert, Nuclear Emission in Spiral Nebulae, in Astrophysical Journal, vol. 97, 1943, pp. 28–40, Bibcode:1943ApJ....97...28S, DOI:10.1086/144488.
S. Bianchi, M. Guainazzi e M. Chiaberge, The soft X-ray/NLR connection: a single photoionized medium?, in Astronomy & Astrophysics, vol. 448, n. 2, 2006-03, pp. 499–511, DOI:10.1051/0004-6361:20054091. URL consultato il 6 febbraio 2023.

harvard.edu

ui.adsabs.harvard.edu

B. E. Markarian, On the Nature of the Galaxies with Anomalous Spectral Features for Their Type, in Communications of the Byurakan Astrophysical Observatory, vol. 63, pp. 3-18, Bibcode:1963CoBAO..34....3M. URL consultato il 12 ottobre 2021.
S. Veilleux e D. E. Osterbrock, Spectral Classification of Emission-Line Galaxies, in Astrophysical Journal Supplement, vol. 63, Febbraio 1987, pp. 295. URL consultato il 12 ottobre 2021.
M. V. Penston et al., The extended narrow line region of NGC 4151. I. Emission line ratios and their implications, in Astronomy and Astrophysics, vol. 236, Settembre 1990, pp. 53. URL consultato il 12 ottobre 2021.

adsabs.harvard.edu

C. K. Seyfert, Nuclear Emission in Spiral Nebulae, in Astrophysical Journal, vol. 97, 1943, pp. 28–40, Bibcode:1943ApJ....97...28S, DOI:10.1086/144488.
B. E. Markarian, On the Nature of the Galaxies with Anomalous Spectral Features for Their Type, in Communications of the Byurakan Astrophysical Observatory, vol. 63, pp. 3-18, Bibcode:1963CoBAO..34....3M. URL consultato il 12 ottobre 2021.

web.archive.org

M. Whittle, Seyfert Galaxies (PDF), in Murdin, P. (a cura di), Encyclopedia of Astronomy and Astrophysics, IOP Publishing, 2006. URL consultato il 12 ottobre 2021 (archiviato dall'url originale il 27 ottobre 2021).