NuSTAR Observes Two Bulgeless Galaxies: No Hard X-Ray AGN Detected in NGC 4178 or J0851+3926

The discovery over the last several decades of low- and moderate-luminosity active galactic nuclei (AGNs) in disk-dominated galaxies—which show no “classical” bulges—suggests that secular mechanisms represent an important growth pathway for supermassive black holes in these systems. We present new f...

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Veröffentlicht in:	The Astrophysical journal 2023-02, Vol.943 (2), p.109
Hauptverfasser:	Pfeifle, Ryan W., Satyapal, Shobita, Ricci, Claudio, Secrest, Nathan J., Gliozzi, Mario, Bohn, Thomas, Canalizo, Gabriela, Reefe, Michael A.
Format:	Artikel
Sprache:	eng
Schlagworte:	Active galactic nuclei AGN host galaxies Astrophysics Black holes Galactic bulge Galaxies Infrared astronomy Infrared emissions Infrared spectra Infrared spectroscopy Low-luminosity active galactic nuclei Luminosity Near infrared radiation Near infrared spectroscopy Space telescopes Stars & galaxies Supermassive black holes Supernova Supernova remnants X ray imagery X-ray astronomy X-rays
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