Matches in SemOpenAlex for { <https://semopenalex.org/work/W3101124464> ?p ?o ?g. }
- W3101124464 endingPage "34" @default.
- W3101124464 startingPage "34" @default.
- W3101124464 abstract "We investigate the structure and nuclear region of the black hole (BH) hosting galaxy Henize 2-10. Surface brightness profiles are analyzed using Magellan/Megacam g- and r-band images. Excluding the central starburst, we find a best-fit two-component Sérsic profile with nin ∼ 0.6, reff, in ∼ 260 pc and nout ∼ 1.8, r ∼ 1 kpc. Integrating out to our outermost data point (100'' ∼ 4.3 kpc), we calculate Mg = −19.2 and Mr = −19.8. The corresponding enclosed stellar mass is M⋆ ∼ (10 ± 3) × 109 M☉, ∼3 × larger than previous estimates. Apart from the central ≲500 pc, with blue colors and an irregular morphology, the galaxy appears to be an early-type system. The outer color is quite red, (g − r)0 = 0.75, suggesting a dominant old population. We study the nuclear region of the galaxy using archival Gemini/NIFS K-band adaptive optics spectroscopy and Hubble Space Telescope imaging. We place an upper limit on the BH mass of ∼107 M☉ from the NIFS data, consistent with that from the MBH-radio–X-ray fundamental plane. No coronal lines are seen, but a Brγ source is located at the position of the BH with a luminosity consistent with the X-ray emission. The starburst at the center of Henize 2-10 has led to the formation of several super star clusters, which are within ∼100 pc of the BH. We examine the fate of the nucleus by estimating the dynamical masses and dynamical friction timescales of the clusters. The most massive clusters (∼106 M☉) have τdyn ≲ 200 Myr, and thus Henize 2-10 may represent a rare snapshot of nuclear star cluster formation around a preexisting massive BH." @default.
- W3101124464 created "2020-11-23" @default.
- W3101124464 creator A5050801780 @default.
- W3101124464 creator A5055363722 @default.
- W3101124464 creator A5061818450 @default.
- W3101124464 creator A5072508469 @default.
- W3101124464 creator A5078233989 @default.
- W3101124464 creator A5081489650 @default.
- W3101124464 date "2014-09-22" @default.
- W3101124464 modified "2023-10-14" @default.
- W3101124464 title "EXTENDED STRUCTURE AND FATE OF THE NUCLEUS IN HENIZE 2-10" @default.
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