MINING MEERKAT MINI-HALOS WITH XRISM
To investigate the relationship between the thermal and non-thermal processes in the ICM, we propose a total of 430 ks of on-source XRISM time to observe two intriguing relaxed galaxy clusters. With this data, we will probe the effects of gas sloshing on the non-thermal emission by directly measuring the line-of-sight velocity dispersions within a 15% uncertainty to validate the tentative correlation found for the first time here in relaxed clusters, where the intensity of the non-thermal emission follows the strength of the velocity dispersion in the thermal plasma, a new result for radio mini-halos. Combining this data with the PV relaxed galaxy cluster targets of Perseus and A2029 will allow us to explore the role of gas sloshing as a function of host environment.
TELESCOP= 'XRISM ' / Mission name INSTRUME= 'XTEND ' / Instrument name OBS_ID = '201049010' / Observation identification string OBJECT = 'ABELL1413' / Object name OBSERVER= 'HIROKI AKAMATSU' / PI name OBS_MODE= 'POINTING' / POINTING or SLEW or ALL RA_OBJ = 178.8269 / [deg] Object Right ascension DEC_OBJ = 23.4094 / [deg] Object Declination RA_PNT = 178.824583271453 / Pointing RA DEC_PNT = 23.4097042619125 / Pointing DEC RA_NOM = 178.827279316881 / [deg] Nominal aspect point R.A. DEC_NOM = 23.4103993120746 / [deg] Nominal aspect point Dec. PA_NOM = 124.503414214912 / [deg] Nominal aspect point roll. TELAPSE = 191476 / Elapsed time DATE-OBS= '2024-11-15T07:08:28' / Start date DATE-END= '2024-11-17T12:19:44' / Stop date ONTIME = 98223.399179 / On-source time EXPOSURE= 98223.399179 / Exposure time PROCVER = '03.00.013.010' / Processing script version MKFFF = 'ISAS/JAXA' / Origin of First FITS file ORIGIN = 'GSFC/NASA' / Origin of Processed FITS file SOFTVER = 'Hea_21Aug2024_V6.34_XRISM_21Aug2024_V001' / Version of HEADAS used CALDBVER= 'gen20241115_xtd20241115_rsl20241115' / Version of CALDB used DATE = '2024-11-26T00:05:34' / Date and time this file was created or updated SIB2_VER= 'V03.01 ' / SIB2 version JAXA