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1ES 1927+654

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Type-2 Seyfert galaxy containing an active galactic nucleus in the constellation Draco
1ES 1927+654
The Seyfert galaxy 1ES 1927+654
Observation data (J2000 epoch)
ConstellationDraco
Right ascension19 2719.7557
Declination+65° 33′ 52.47″
Redshift0.016998
Distance270 Mly
Other designations
2MASX J19271951+6533539, RX J1927.3+6533

1ES 1927+654 is a type 2 Seyfert galaxy located 270 million light-years away in the constellation of Draco, containing an active galactic nucleus. It is the subject of academic papers analysing its unusual characteristics. Its supermassive black hole is found massive and is a source of X-ray flashes.

Gallery

  • This illustration shows the accretion disk, corona (pale, conical swirls above the disk), and supermassive black hole of 1ES 1927+654 Credit: NASA/Sonoma State University, Aurore Simonnet This illustration shows the accretion disk, corona (pale, conical swirls above the disk), and supermassive black hole of 1ES 1927+654
    Credit: NASA/Sonoma State University, Aurore Simonnet
  • Artist's concept Matter is stripped from a white dwarf (sphere at lower right) orbiting within the innermost accretion disk surrounding 1ES 1927+654's supermassive black hole. Artist's concept
    Matter is stripped from a white dwarf (sphere at lower right) orbiting within the innermost accretion disk surrounding 1ES 1927+654's supermassive black hole.

References

  1. Cao, Xinwu; You, Bei; Wei, Xing (2023-10-14), An accretion disc with magnetic outflows triggered by a sudden mass accretion event in changing-look active galactic nucleus 1ES 1927+654, doi:10.48550/arXiv.2309.10610, retrieved 2025-01-15
  2. "X-ray flashes from a nearby supermassive black hole accelerate mysteriously". MIT News. January 13, 2025.
  3. Reddy, Francis (May 5, 2022). "Magnetic Flip Drives Flare-Up of Monster Black Hole". NASA Scientific Visualization Studio.
  4. Fauzia, Miriam (2022-05-06). "A Black Hole Flipping Its Magnetic Field Might Help Us to Find More: This is unexpected". Daily Beast. New York.
  5. Zabludoff, Ann; Arcavi, Iair; La Massa, Stephanie; Perets, Hagai B.; Trakhtenbrot, Benny; Zauderer, B. Ashley; Auchettl, Katie; Dai, Jane L.; Decker French, K.; Hung, Tiara; Kara, Erin; Lodato, Giuseppe; Maksym, W. Peter; Qin, Yujing; Ramirez-Ruiz, Enrico; Roth, Nathaniel; Runnoe, Jessie C.; Wevers, Thomas (2021). "Distinguishing Tidal Disruption Events from Impostors". arXiv:2103.12150v2. doi:10.48550/arXiv.2103.12150. {{cite journal}}: Cite journal requires |journal= (help)
  6. https://academic-oup-com.wikipedialibrary.idm.oclc.org/mnras/article-pdf/526/2/2331/51858594/stad2877.pdf
  7. Ghosh, Ritesh; Laha, Sibasish; Meyer, Eileen; Roychowdhury, Agniva; Yang, Xiaolong; Acosta–Pulido, J. A.; Rakshit, Suvendu; Pandey, Shivangi; González, Josefa Becerra; Behar, Ehud; Gallo, Luigi C.; Panessa, Francesca; Bianchi, Stefano; La Franca, Fabio; Scepi, Nicolas; Begelman, Mitchell C.; Longinotti, Anna Lia; Lusso, Elisabeta; Oates, Samantha; Nicholl, Matt; Cenko, S. Bradley; o'Connor, Brendan; Hammerstein, Erica; Jose, Jincen; Gabányi, Krisztina Éva; Ricci, Federica; Chattopadhyay, Sabyasachi (2023). "A Reemerging Bright Soft X-Ray State of the Changing-look Active Galactic Nucleus 1ES 1927+654: A Multiwavelength View". The Astrophysical Journal. 955: 3. doi:10.3847/1538-4357/aced92.
  8. Boller, Th.; Voges, W.; Dennefeld, M.; Lehmann, I.; Predehl, P.; Burwitz, V.; Perlman, E.; Gallo, L.; Papadakis, I. E.; Anderson, S. (2003). "1ES 1927+654: Persistent and rapid X-ray variability in an AGN with low intrinsic neutral X-ray absorption and narrow optical emission lines". Astronomy & Astrophysics. 397 (2): 557–564. arXiv:astro-ph/0210369. Bibcode:2003A&A...397..557B. doi:10.1051/0004-6361:20021520.
  9. Gallo, L. C.; MacMackin, C.; Vasudevan, R.; Cackett, E. M.; Fabian, A. C.; Panessa, F. (July 1, 2013). "1ES 1927+654: a bare Seyfert 2". Monthly Notices of the Royal Astronomical Society. 433 (1): 421–433. arXiv:1304.7155. Bibcode:2013MNRAS.433..421G. doi:10.1093/mnras/stt735.
  10. Trakhtenbrot, Benny; Arcavi, Iair; MacLeod, Chelsea L.; Ricci, Claudio; Kara, Erin; Graham, Melissa L.; Stern, Daniel; Harrison, Fiona A.; Burke, Jamison; Hiramatsu, Daichi; Hosseinzadeh, Griffin; Howell, D. Andrew; Smartt, Stephen J.; Rest, Armin; Prieto, Jose L.; Shappee, Benjamin J.; Holoien, Thomas W. -S.; Bersier, David; Filippenko, Alexei V.; Brink, Thomas G.; Zheng, WeiKang; Li, Ruancun; Remillard, Ronald A.; Loewenstein, Michael (September 1, 2019). "1ES 1927+654: An AGN Caught Changing Look on a Timescale of Months". The Astrophysical Journal. 883 (1): 94. arXiv:1903.11084. Bibcode:2019ApJ...883...94T. doi:10.3847/1538-4357/ab39e4.
  11. "INSPIRE". InspireHep.net.
  12. "Evolution of various aspects of the X-ray spectrum of 1ES 1927+654 from... | Download Scientific Diagram". ResearchGate.net.
  13. Masterson, Megan; Kara, Erin; Ricci, Claudio; García, Javier A.; Fabian, Andrew C.; Pinto, Ciro; Kosec, Peter; Remillard, Ronald A.; Loewenstein, Michael; Trakhtenbrot, Benny; Arcavi, Iair (20 July 2022). "Evolution of a Relativistic Outflow and X-Ray Corona in the Extreme Changing-look AGN 1ES 1927+654" (pdf). The Astrophysical Journal. 934 (35): 35. doi:10.3847/1538-4357/ac76c0 – via ResearchGate.net.
  14. Chu, Jennifer (2025-01-13). "X-ray flashes from a nearby supermassive black hole accelerate mysteriously". MIT News | Massachusetts Institute of Technology. Retrieved 2025-01-15.

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