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Journal Article (48)

  1. 21.
    Journal Article
    Ramírez, J. M.; Komossa, S.; Burwitz, V.; Mathur, S.: Chandra LETGS spectroscopy of the quasar MR 2251−178 and its warm absorber. The Astrophysical Journal 681 (2), pp. 965 - 981 (2008)
  2. 22.
    Journal Article
    Komossa, S.; Xu, D.; Zhou, H.; Storchi-Bergmann, T.; Binette, L.: On the nature of Seyfert galaxies with high [O III] λ5007 blueshifts. The Astrophysical Journal 680 (2), pp. 926 - 938 (2008)
  3. 23.
    Journal Article
    Komossa, S.; Zhou, H.; Lu, H.: A recoiling supermassive black hole in the quasar SDSS J092712.65+294344.0? The Astrophysical Journal 678 (2), pp. L81 - L84 (2008)
  4. 24.
    Journal Article
    Komossa, S.; Zhou, H.; Wang, T.; Ajello, M.; Ge, J.; Greiner, J.; Lu, H.; Salvato, M.; Saxton, R.; Shan, H. et al.; Xu, D.; Yuan, W.: Discovery of superstrong, fading, iron line emission and double-peaked balmer lines of the galaxy SDSS J095209.56+214313.3: the light echo of a huge flare. The Astrophysical Journal 678 (1), pp. L13 - L16 (2008)
  5. 25.
    Journal Article
    Xu, D.; Komossa, S.; Zhou, H.; Wang, T.; Wei, J.: The narrow-line region of narrow-line and broad-line type 1 active galactic nuclei - I. A zone of avoidance in density. Astrophysical Journal 670 (1 Part 1), pp. 60 - 73 (2007)
  6. 26.
    Journal Article
    Grupe, D.; Komossa, S.; Gallo, L. C.: Discovery of the narrow-line Seyfert 1 galaxy Markarian 335 in a historical low X-ray flux state. Astrophysical Journal 668 (2 Part 2), pp. L111 - L114 (2007)
  7. 27.
    Journal Article
    Komossa, S.; Xu, D.: Narrow-line Seyfert 1 galaxies and the MBH-σ relation. Astrophysical Journal 667 (1 Part 2), pp. L33 - L36 (2007)
  8. 28.
    Journal Article
    Grupe, D.; Schady, P.; Leighly, K. M.; Komossa, S.; O'Brien, P. T.; Nousek, J. A.: An update on the X-ray transient narrow-line Seyfert 1 galaxy WPVS 007: swift observations of UV variability and persistence of X-ray faintness. Astronomical Journal 133 (5), pp. 1988 - 1994 (2007)
  9. 29.
    Journal Article
    Zhou, H.; Wang, T.; Yuan, W.; Shan, H.; Komossa, S.; Lu, H.; Liu, Y.; Xu, D.; Bai, J. M.; Jiang, D. R.: A narrow-line Seyfert 1-blazar composite nucleus in 2MASX J0324+3410. Astrophysical Journal 658 (1 Part 2), pp. L13 - L16 (2007)
  10. 30.
    Journal Article
    Bennert, N.; Jungwiert, B.; Komossa, S.; Haas, M.; Chini, R.: Size and properties of the narrow-line region in Seyfert-1 galaxies from spatially-resolved optical spectroscopy. Astronomy & Astrophysics 459 (1), pp. 55 - 69 (2006)
  11. 31.
    Journal Article
    Bennert, N.; Jungwiert, B.; Komossa, S.; Haas, M.; Chini, R.: Size and properties of the narrow-line region in Seyfert-2 galaxies from spatially-resolved optical spectroscopy. Astronomy & Astrophysics 456 (3), pp. 953 - 966 (2006)
  12. 32.
    Journal Article
    Grupe, D.; Leighly, K. M.; Komossa, S.; Schady, P.; O'Brien, P. T.; Burrows, D. N.; Nousek, J. A.: Swift observations of the highly X-ray variable narrow-line seyfert 1 galaxy RX J0148.3-2758. Astronomical Journal 132 (3), pp. 1189 - 1201 (2006)
  13. 33.
    Journal Article
    Komossa, S.; Voges, W.; Xu, D.; Mathur, S.; Adorf, H.-M.; Lemson, G.; Duschl, W. J.; Grupe, D.: Radio-loud narrow-line type 1 quasars. Astronomical Journal 132 (2), pp. 531 - 545 (2006)
  14. 34.
    Journal Article
    Komossa, S.; Voges, W.; Adorf, H.-M.; Xu, D.; Mathur, S.; Anderson, S. F.: The radio-loud narrow-line quasar SDSS J172206.03+565451.6. Astrophysical Journal 639 (2 Part 1), pp. 710 - 715 (2006)
  15. 35.
    Journal Article
    Bennert, N.; Jungwiert, B.; Komossa, S.; Haas, M.; Chini, R.: Size and properties of the NLR in the Seyfert-2 galaxy NGC 1386. Astronomy & Astrophysics 446 (3), pp. 919 - 932 (2006)
  16. 36.
    Journal Article
    Fields, D. L.; Mathur, S.; Pogge, R. W.; Nicastro, F.; Komossa, S.; Krongold, Y.: Supersolar metallicity in the NLS1 galaxy markarian 1044. The Astrophysical Journal 634 (2 Part 1), pp. 928 - 938 (2005)
  17. 37.
    Journal Article
    Fields, D. L.; Mathur, S.; Pogge, R. W.; Nicastro, F.; Komossa, S.: Supersolar N/C in the narrow-line Seyfert 1 galaxy markarian 1044. The Astrophysical Journal 620 (1), pp. 183 - 190 (2005)
  18. 38.
    Journal Article
    Yuan, W.; Komossa, S.; Xu, D.; Osborne, J. P.; Watson, M. G.; McMahon, R. G.: Discovery of high-amplitude X-ray variability in the Seyfert-LINER transition galaxy NGC 7589. Monthly Notices of the Royal Astronomical Society 353 (3), pp. L29 - L33 (2004)
  19. 39.
    Journal Article
    Grupe, D.; Mathur, S.; Komossa, S.: Markarian 1239: a highly polarized narrow-line Seyfert 1 galaxy with a steep X-ray spectrum and strong Ne IX emission. The Astronomical Journal 127 (6), pp. 3161 - 3167 (2004)
  20. 40.
    Journal Article
    Halpern, J. P.; Gezari, S.; Komossa, S.: Follow-up Chandra observations of three candidate tidal disruption events. The Astrophysical Journal 604 (2), pp. 572 - 578 (2004)
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