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Showing 1–2 of 2 results
Advanced filters: Author: Sibasish Laha Clear advanced filters

  • A millihertz frequency X-ray quasi-periodic oscillation has been observed near the innermost orbit of an actively accreting supermassive black hole and its frequency has evolved significantly over 2 years, a phenomenon that is difficult to explain with existing models.

    • Megan Masterson
    • Erin Kara
    • Jingyi Wang
    Research
    Nature
    Volume: 638, P: 370-375

  • This Review Article summarizes our current understanding of ionized outflows in active galactic nuclei, observed in absorption in the ultraviolet and X-ray wavelengths, including the most relevant observations as well as their origin and acceleration mechanisms.

    • Sibasish Laha
    • Christopher S. Reynolds
    • Daniel Proga
    Reviews
    Nature Astronomy
    Volume: 5, P: 13-24