XRISM XTEND observation 201112010

Title

INVESTIGATING METAL ENRICHMENT IN THE COOL-CORE CLUSTER ABELL 2052

Abstract

The metallicity of the intracluster medium, shaped by billions of Type Ia and core-collapse supernovae explosions, reflects the complex processes from nucleosynthesis to galaxy cluster dynamics. However, determining the exact contributions of these supernovae to galaxy cluster metal enrichment especially in terms of α-capture and Fe-peak elements requires high precision, which has been a significant challenge. With its unparalleled spectral resolution, XRISM-Resolve introduces a new level of accuracy in chemical abundance measurements. To explore these fundamental questions, we propose an 80 ks Resolve observation of Abell 2052, a bright galaxy cluster with a cool core, aiming to quantify these contributions precisely.

FITS header

TELESCOP= 'XRISM   '           / Mission name
INSTRUME= 'XTEND   '           / Instrument name
OBS_ID  = '201112010'          / Observation identification string
OBJECT  = 'ABELL2052'          / Object name
OBSERVER= 'PRIYANKA CHAKRABORTY' / PI name
OBS_MODE= 'POINTING'           / POINTING or SLEW or ALL
RA_OBJ  =             229.1854 / [deg] Object Right ascension
DEC_OBJ =               7.0216 / [deg] Object Declination
RA_PNT  =     229.187235314812 / Pointing RA
DEC_PNT =     7.02286339320042 / Pointing DEC
RA_NOM  =     229.184837796691 / [deg] Nominal aspect point R.A.
DEC_NOM =     7.02189272941382 / [deg] Nominal aspect point Dec.
PA_NOM  =     298.002656460581 / [deg] Nominal aspect point roll.
TELAPSE =     174846.963135988 / Elapsed time
DATE-OBS= '2025-07-09T10:21:32.036864' / Start date
DATE-END= '2025-07-11T10:55:39' / Stop date
ONTIME  =         83603.611705 / On-source time
EXPOSURE=         83603.611705 / Exposure time
PROCVER = '03.02.014.010'      / Processing script version
MKFFF   = 'ISAS/JAXA'          / Origin of First FITS file
ORIGIN  = 'GSFC/NASA'          / Origin of Processed FITS file
SOFTVER = 'Hea_12Mar2025_V6.35_XRISM_28Feb2025_V002' / Version of HEADAS used
CALDBVER= 'gen20241115_xtd20241115_rsl20241115' / Version of CALDB used
DATE    = '2025-07-17T03:54:27' / Date and time this file was created or updated
SIB2_VER= 'V04.00  '           / SIB2 version JAXA

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