Matches in SemOpenAlex for { <https://semopenalex.org/work/W2909292015> ?p ?o ?g. }
- W2909292015 endingPage "39" @default.
- W2909292015 startingPage "39" @default.
- W2909292015 abstract "A systematic analysis of the X-ray emission from the nearby ultraluminous infrared galaxy Mrk 273 was carried out by combining new 200 ks Chandra data with archived 44 ks data. The active galactic nucleus (AGN) associated with the southwest nucleus is confirmed by the new data, and a secondary hard X-ray (4–8 keV) point source is detected, coincident with the northeast nucleus at a projected distance of 0.75 kpc from the southwest nucleus. The hard X-ray spectrum of the northeast nucleus is consistent with a heavily absorbed AGN, making Mrk 273 another example of a dual AGN in a nearby galaxy merger. Significant 1–3 keV emission is found along the ionization cones and outflowing gas detected in a previous study. The data also map the giant X-ray nebula south of the host galaxy with unprecedented detail. This nebula extends on a scale of ∼40 kpc × 40 kpc and is not closely related to the well-known tidal tail seen in the optical. The X-ray emission of the nebula is best described by a single-temperature gas model, with a temperature of ∼7 million K and a supersolar α/Fe ratio. Further analysis suggests that the southern nebula has most likely been heated and enriched by multiple galactic outflows generated by the AGN and/or circumnuclear starburst in the past, on a timescale of ≲0.1 Gyr, similar to the merger event itself." @default.
- W2909292015 created "2019-01-25" @default.
- W2909292015 creator A5011211151 @default.
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- W2909292015 date "2019-02-08" @default.
- W2909292015 modified "2023-10-15" @default.
- W2909292015 title "Elliptical Galaxy in the Making: The Dual Active Galactic Nuclei and Metal-enriched Halo of Mrk 273" @default.
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