The cycle of metals in the infalling elliptical galaxy NGC 1404

J 2022

The cycle of metals in the infalling elliptical galaxy NGC 1404

MERNIER, F.; Norbert WERNER; Y. SU; C. PINTO; Romana GROSSOVÁ et al.

Základní údaje

Originální název

The cycle of metals in the infalling elliptical galaxy NGC 1404

Autoři

MERNIER, F.; Norbert WERNER; Y. SU; C. PINTO; Romana GROSSOVÁ; A. SIMIONESCU; E. IODICE; M. SARZI a A. GORGEI

Vydání

Monthly Notices of the Royal Astronomical Society, Oxford University Press, 2022, 0035-8711

Další údaje

Jazyk

angličtina

Typ výsledku

Článek v odborném periodiku

Obor

10308 Astronomy

Stát vydavatele

Velká Británie a Severní Irsko

Utajení

není předmětem státního či obchodního tajemství

Odkazy

URL, URL

Impakt faktor

Impact factor: 4.800

Označené pro přenos do RIV

Ano

Kód RIV

RIV/00216224:14310/22:00119701

Organizační jednotka

Přírodovědecká fakulta

Klíčová slova anglicky

supernovae: general; galaxies: abundances; galaxies: clusters: intracluster medium; galaxies: ISM; X-rays: galaxies: clusters

Štítky

14312040, rivok

Příznaky

Mezinárodní význam, Recenzováno

Změněno: 10. 11. 2022 11:16, Mgr. Marie Novosadová Šípková, DiS.

Anotace

V originále

Hot atmospheres pervading galaxy clusters, groups, and early-type galaxies are rich in metals, produced during epochs and diffused via processes that are still to be determined. While this enrichment has been routinely investigated in clusters, metals in lower mass systems are more challenging to probe with standard X-ray exposures and spectroscopy. In this paper, we focus on very deep XMM-Newton (similar to 350 ks) observations of NGC 1404, a massive elliptical galaxy experiencing ram-pressure stripping of its hot atmosphere while infalling towards the centre of the Fornax cluster, with the aim to derive abundances through its hot gas extent. Importantly, we report the existence of a new fitting bias - the 'double Fe bias' - leading to an underestimate of the Fe abundance when two thermal components cannot realistically model the complex temperature structure present in the outer atmosphere of the galaxy. Contrasting with the 'metal conundrum' seen in clusters, the Fe and Mg masses of NGC 1404 are measured 1-2 orders of magnitude below what stars and supernovae could have reasonably produced and released. In addition, we note the remarkable Solar abundance ratios of the galaxy's halo, different from its stellar counterpart but similar to the chemical composition of the ICM of rich clusters. Completing the clusters regime, all these findings provide additional support towards a scenario of early enrichment, at play over two orders of magnitude in mass. A few peculiar and intriguing features, such as a possible double metal peak as well as an apparent ring of enhanced Si near the galaxy core, are also discussed.

Návaznosti

GX21-13491X, projekt VaV

Název: Zkoumání žhavého vesmíru a porozumění kosmické zpětné vazbě (Akronym: EHU)

Investor: Grantová agentura ČR, Exploring the Hot Universe and Understanding Comic Feedback

MUNI/I/0003/2020, interní kód MU

Název: MUNI Award in Science and Humanities 3 (Akronym: Space-Based High-Energy Astrophysics)

Investor: Masarykova univerzita, MUNI Award in Science and Humanities 3, MASH - MUNI Award in Science and Humanities

Citovat

MERNIER, F.; Norbert WERNER; Y. SU; C. PINTO; Romana GROSSOVÁ; A. SIMIONESCU; E. IODICE; M. SARZI a A. GORGEI. The cycle of metals in the infalling elliptical galaxy NGC 1404. Monthly Notices of the Royal Astronomical Society. Oxford University Press, 2022, roč. 511, č. 3, s. 3159-3178. ISSN 0035-8711. Dostupné z: https://doi.org/10.1093/mnras/stac253.

@article{1840483,
   author = {Mernier, F. and Werner, Norbert and Su, Y. and Pinto, C. and Grossová, Romana and Simionescu, A. and Iodice, E. and Sarzi, M. and Gorgei, A.},
   article_number = {3},
   doi = {https://doi.org/10.1093/mnras/stac253},
   keywords = {supernovae: general; galaxies: abundances; galaxies: clusters: intracluster medium; galaxies: ISM; X-rays: galaxies: clusters},
   language = {eng},
   issn = {0035-8711},
   journal = {Monthly Notices of the Royal Astronomical Society},
   title = {The cycle of metals in the infalling elliptical galaxy NGC 1404},
   url = {https://academic.oup.com/mnras/article-abstract/511/3/3159/6517114?redirectedFrom=fulltext},
   volume = {511},
   year = {2022}
}

TY  - JOUR
ID  - 1840483
AU  - Mernier, F. - Werner, Norbert - Su, Y. - Pinto, C. - Grossová, Romana - Simionescu, A. - Iodice, E. - Sarzi, M. - Gorgei, A.
PY  - 2022
TI  - The cycle of metals in the infalling elliptical galaxy NGC 1404
JF  - Monthly Notices of the Royal Astronomical Society
VL  - 511
IS  - 3
SP  - 3159-3178
EP  - 3159-3178
PB  - Oxford University Press
SN  - 00358711
KW  - supernovae: general
KW  - galaxies: abundances
KW  - galaxies: clusters: intracluster medium
KW  - galaxies: ISM
KW  - X-rays: galaxies: clusters
UR  - https://academic.oup.com/mnras/article-abstract/511/3/3159/6517114?redirectedFrom=fulltext
N2  - Hot atmospheres pervading galaxy clusters, groups, and early-type galaxies are rich in metals, produced during epochs and diffused via processes that are still to be determined. While this enrichment has been routinely investigated in clusters, metals in lower mass systems are more challenging to probe with standard X-ray exposures and spectroscopy. In this paper, we focus on very deep XMM-Newton (similar to 350 ks) observations of NGC 1404, a massive elliptical galaxy experiencing ram-pressure stripping of its hot atmosphere while infalling towards the centre of the Fornax cluster, with the aim to derive abundances through its hot gas extent. Importantly, we report the existence of a new fitting bias - the 'double Fe bias' - leading to an underestimate of the Fe abundance when two thermal components cannot realistically model the complex temperature structure present in the outer atmosphere of the galaxy. Contrasting with the 'metal conundrum' seen in clusters, the Fe and Mg masses of NGC 1404 are measured 1-2 orders of magnitude below what stars and supernovae could have reasonably produced and released. In addition, we note the remarkable Solar abundance ratios of the galaxy's halo, different from its stellar counterpart but similar to the chemical composition of the ICM of rich clusters. Completing the clusters regime, all these findings provide additional support towards a scenario of early enrichment, at play over two orders of magnitude in mass. A few peculiar and intriguing features, such as a possible double metal peak as well as an apparent ring of enhanced Si near the galaxy core, are also discussed.
ER  -

MERNIER, F.; Norbert WERNER; Y. SU; C. PINTO; Romana GROSSOVÁ; A. SIMIONESCU; E. IODICE; M. SARZI a A. GORGEI. The cycle of metals in the infalling elliptical galaxy NGC 1404. \textit{Monthly Notices of the Royal Astronomical Society}. Oxford University Press, 2022, roč.~511, č.~3, s.~3159-3178. ISSN~0035-8711. Dostupné z: https://doi.org/10.1093/mnras/stac253.

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