FRINK Linked Data Fragments server

Matches in SemOpenAlex for { <https://semopenalex.org/work/W3100607202> ?p ?o ?g. }

• W3100607202 endingPage "157" @default.
• W3100607202 startingPage "157" @default.
• W3100607202 abstract "Existing analysis based on XMM-Newton/RGS spectra already shows that the G-ratio of the OVII He$alpha$ triplet in the inner bulge of M31 is too high to be consistent with a pure optically thin thermal plasma in collisional ionization equilibrium (CIE). Different processes that may affect properties of diffuse hot plasma were proposed, such as resonance scattering (RS) and charge exchange (CX) with cold gas. To determine which physical process(es) may be responsible for this inconsistency, we present a systematic spectroscopic analysis based on 0.8 Ms XMM-Newton/RGS data, together with complementary Chandra/ACIS-S images. The combination of these data enables us to reveal multiple non-CIE spectroscopic diagnostics, including but not limited to the large G-ratios of He$alpha$ triplets (OVII, NVI, and NeIX) and the high Lyman series line ratios (OVIII Ly$beta$/Ly$alpha$ and Ly$gamma$/Ly$alpha$, and NVII Ly$beta$/Ly$alpha$), which are not expected for a CIE plasma, and the high iron line ratios (FeXVIII 14.2 AA/FeXVII~17 AA and FeXVII~15 AA/17 AA), which suggest much higher temperatures than other line ratios, as well as their spatial variations. Neither CX nor RS explains all these spectroscopic diagnostics satisfactorily. Alternatively, we find that an active galactic nucleus (AGN) relic scenario provides a plausible explanation for virtually all the signatures. We estimate that an AGN was present at the center of M31 about half a million years ago and that the initial ionization parameter $xi$ of the relic plasma is in the range of 3-4." @default.
• W3100607202 created "2020-11-23" @default.
• W3100607202 creator A5013194814 @default.
• W3100607202 creator A5029242898 @default.
• W3100607202 creator A5036321241 @default.
• W3100607202 creator A5040307838 @default.
• W3100607202 creator A5064996219 @default.
• W3100607202 creator A5083649290 @default.
• W3100607202 date "2019-11-12" @default.
• W3100607202 modified "2023-10-01" @default.
• W3100607202 title "<i>XMM-Newton</i> RGS Spectroscopy of the M31 Bulge. I. Evidence for a Past AGN Half a Million Years Ago" @default.
• W3100607202 cites W1518299833 @default.
• W3100607202 cites W1659875532 @default.
• W3100607202 cites W1968646907 @default.
• W3100607202 cites W1987397334 @default.
• W3100607202 cites W1989977612 @default.
• W3100607202 cites W2033273182 @default.
• W3100607202 cites W2040432943 @default.
• W3100607202 cites W2052926897 @default.
• W3100607202 cites W2086583092 @default.
• W3100607202 cites W2090352696 @default.
• W3100607202 cites W2114772141 @default.
• W3100607202 cites W2115496477 @default.
• W3100607202 cites W2140388490 @default.
• W3100607202 cites W2154126793 @default.
• W3100607202 cites W2181616500 @default.
• W3100607202 cites W2277550311 @default.
• W3100607202 cites W2293962467 @default.
• W3100607202 cites W2308727438 @default.
• W3100607202 cites W2324659527 @default.
• W3100607202 cites W2803828449 @default.
• W3100607202 cites W2907280714 @default.
• W3100607202 cites W2922290806 @default.
• W3100607202 cites W3098419325 @default.
• W3100607202 cites W3098727768 @default.
• W3100607202 cites W3098815736 @default.
• W3100607202 cites W3099553278 @default.
• W3100607202 cites W3099626363 @default.
• W3100607202 cites W3100002245 @default.
• W3100607202 cites W3100976614 @default.
• W3100607202 cites W3102314477 @default.
• W3100607202 cites W3104580469 @default.
• W3100607202 cites W3105040958 @default.
• W3100607202 cites W3122082282 @default.
• W3100607202 cites W3122566676 @default.
• W3100607202 cites W4300882131 @default.
• W3100607202 doi "https://doi.org/10.3847/1538-4357/ab4a0f" @default.
• W3100607202 hasPublicationYear "2019" @default.
• W3100607202 type Work @default.
• W3100607202 sameAs 3100607202 @default.
• W3100607202 citedByCount "7" @default.
• W3100607202 countsByYear W31006072022020 @default.
• W3100607202 countsByYear W31006072022021 @default.
• W3100607202 countsByYear W31006072022022 @default.
• W3100607202 countsByYear W31006072022023 @default.
• W3100607202 crossrefType "journal-article" @default.
• W3100607202 hasAuthorship W3100607202A5013194814 @default.
• W3100607202 hasAuthorship W3100607202A5029242898 @default.
• W3100607202 hasAuthorship W3100607202A5036321241 @default.
• W3100607202 hasAuthorship W3100607202A5040307838 @default.
• W3100607202 hasAuthorship W3100607202A5064996219 @default.
• W3100607202 hasAuthorship W3100607202A5083649290 @default.
• W3100607202 hasBestOaLocation W31006072021 @default.
• W3100607202 hasConcept C10767094 @default.
• W3100607202 hasConcept C121332964 @default.
• W3100607202 hasConcept C1276947 @default.
• W3100607202 hasConcept C145148216 @default.
• W3100607202 hasConcept C185544564 @default.
• W3100607202 hasConcept C198291218 @default.
• W3100607202 hasConcept C198352243 @default.
• W3100607202 hasConcept C2524010 @default.
• W3100607202 hasConcept C2779146573 @default.
• W3100607202 hasConcept C32891209 @default.
• W3100607202 hasConcept C33923547 @default.
• W3100607202 hasConcept C43481613 @default.
• W3100607202 hasConcept C44870925 @default.
• W3100607202 hasConcept C4839761 @default.
• W3100607202 hasConcept C62520636 @default.
• W3100607202 hasConcept C82706917 @default.
• W3100607202 hasConcept C98444146 @default.
• W3100607202 hasConceptScore W3100607202C10767094 @default.
• W3100607202 hasConceptScore W3100607202C121332964 @default.
• W3100607202 hasConceptScore W3100607202C1276947 @default.
• W3100607202 hasConceptScore W3100607202C145148216 @default.
• W3100607202 hasConceptScore W3100607202C185544564 @default.
• W3100607202 hasConceptScore W3100607202C198291218 @default.
• W3100607202 hasConceptScore W3100607202C198352243 @default.
• W3100607202 hasConceptScore W3100607202C2524010 @default.
• W3100607202 hasConceptScore W3100607202C2779146573 @default.
• W3100607202 hasConceptScore W3100607202C32891209 @default.
• W3100607202 hasConceptScore W3100607202C33923547 @default.
• W3100607202 hasConceptScore W3100607202C43481613 @default.
• W3100607202 hasConceptScore W3100607202C44870925 @default.
• W3100607202 hasConceptScore W3100607202C4839761 @default.
• W3100607202 hasConceptScore W3100607202C62520636 @default.
• W3100607202 hasConceptScore W3100607202C82706917 @default.
• W3100607202 hasConceptScore W3100607202C98444146 @default.
• W3100607202 hasFunder F4320321001 @default.

• next