Abundance gradients and the role of supernovae in M87

被引：58
|
作者：
Gastaldello, F [1 ]
Molendi, S [1 ]
机构：
[1] CNR, IASF, I-20133 Milan, Italy
来源：
ASTROPHYSICAL JOURNAL | 2002年 / 572卷 / 01期
关键词：
galaxies : abundances; galaxies : clusters : general; galaxies : individual (M87); X-rays : galaxies;
D O I：
10.1086/340283
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We make a detailed measurement of the metal abundance profiles and metal abundance ratios of the inner core of M87/Virgo observed by XMM-Newton during the performance veri cation phase. We use multi-temperature models for the inner regions, and we compare the plasma codes APEC and MEKAL. We confirm the strong heavy-element gradient previously found by ASCA and BeppoSAX, but also find a significant increase in light elements, in particular O. This fact, together with the constant O/Fe ratio in the inner 9', indicates an enhancement of contribution in the core of the cluster, not only by Type Ia supernovae but also by Type II supernovae.
引用
收藏
页码：160 / 168
页数：9
相关论文
共 50 条
  • [21] The X-ray emissions from the M87 jet: Diagnostics and physical interpretation
    Perlman, ES
    Wilson, AS
    ASTROPHYSICAL JOURNAL, 2005, 627 (01) : 140 - 155
  • [22] A Rossi X-Ray Timing Explorer study of M87 and the core of the Virgo Cluster
    Reynolds, CS
    Heinz, S
    Fabian, AC
    Begelman, MC
    ASTROPHYSICAL JOURNAL, 1999, 521 (01) : 99 - 102
  • [23] Supermassive black holes (SMBH) at work: M87, a case study of the effects of SMBH outbursts
    Forman, William
    Churazov, Eugene
    Jones, Christine
    Vikhlinin, Alexey
    EXTRAGALACTIC JETS FROM EVERY ANGLE, 2015, 10 (313): : 309 - 314
  • [24] Dynamics of the globular cluster system associated with M87 (NGC 4486).: II.: Analysis
    Côté, P
    McLaughlin, DE
    Hanes, DA
    Bridges, TJ
    Geisler, D
    Merritt, D
    Hesser, JE
    Harris, GLH
    Lee, MG
    ASTROPHYSICAL JOURNAL, 2001, 559 (02) : 828 - 850
  • [25] The outer regions of the giant Virgo galaxy M87 Kinematic separation of stellar halo and intracluster light
    Longobardi, Alessia
    Arnaboldi, Magda
    Gerhard, Ortwin
    Hanuschik, Reinhard
    ASTRONOMY & ASTROPHYSICS, 2015, 579
  • [26] Extragalactic globular clusters in the near infrared - I. A comparison between M87 and NGC 4478
    Kissler-Patig, M
    Brodie, JP
    Minniti, D
    ASTRONOMY & ASTROPHYSICS, 2002, 391 (02): : 441 - 452
  • [27] Spatial diffusion of X-ray emission lines in the M87 cooling flow; evidence for absorption
    Mathews, WG
    Buote, DA
    Brighenti, F
    ASTROPHYSICAL JOURNAL, 2001, 550 (01) : L31 - L34
  • [28] Creation of the X-ray cavity jet and its radio lobe in M87/Virgo with cosmic rays: Relevance to relic radio sources
    Mathews, William G.
    Brighenti, Fabrizio
    ASTROPHYSICAL JOURNAL, 2008, 676 (02) : 880 - 888
  • [29] The Infall of the Virgo Elliptical Galaxy M60 toward M87 and the Gaseous Structures Produced by Kelvin-Helmholtz Instabilities
    Wood, R. A.
    Jones, C.
    Machacek, M. E.
    Forman, W. R.
    Bogdan, A.
    Andrade-Santos, F.
    Kraft, R. P.
    Paggi, A.
    Roediger, E.
    ASTROPHYSICAL JOURNAL, 2017, 847 (01)
  • [30] A possible model of persistent X-ray-luminous gas around the giant elliptical galaxy M87
    Saito, R
    Shigeyama, T
    ASTROPHYSICAL JOURNAL, 1999, 519 (01) : 48 - 54
12345