RESOLVING THE MASS ACCRETION AND JET EJECTION IN 3C120 WITH XRISM & MM-VLBIS (EAVN, GMVA, AND EHT)
The jet production mechanism remains one of the most important questions in astrophysics, and a key is how mass accretion and disk wind are related to a jet. Therefore, we propose a 200 ksec observation on an X-ray bright radio galaxy 3C120 with XRISM, combining observations by mm-VLBIs: EAVN, GMVA, and EHT. With Resolve, we can constrain the disk wind properties, the mass accretion structure, and the disk truncation radius by resolving Fe XXV/XXVI lines, and narrow and broad Fe-K lines, respectively. Xtend can determine the jet synchrotron in soft X-ray. These can be directly compared to the jet activity and structure, spatially resolved by mm-VLBIs. By this powerful method, we constrain the relation of the jet production to mass accretion/disk wind most strongly so far.
TELESCOP= 'XRISM ' / Mission name INSTRUME= 'RESOLVE ' / Instrument name FILTER = 'OPEN ' / Filter name used OBS_ID = '201019010' / Observation identification string OBJECT = '3C120 ' / Object name OBSERVER= 'HIROFUMI NODA' / PI name OBS_MODE= 'POINTING' / POINTING or SLEW or ALL RA_OBJ = 68.2963 / [deg] Object Right ascension DEC_OBJ = 5.3543 / [deg] Object Declination RA_PNT = 68.3010216804897 / Pointing RA DEC_PNT = 5.35474426754681 / Pointing DEC RA_NOM = 68.2969571948287 / [deg] Nominal aspect point R.A. DEC_NOM = 5.3541694324427 / [deg] Nominal aspect point Dec. PA_NOM = 268.492499266099 / [deg] Nominal aspect point roll. TELAPSE = 418877.989647001 / Elapsed time DATE-OBS= '2025-03-19T18:52:10' / Start date DATE-END= '2025-03-24T15:13:27.989647' / Stop date ONTIME = 221969.67204 / On-source time EXPOSURE= 221969.67204 / 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 = '2025-03-28T17:06:52' / Date and time this file was created or updated SIB2_VER= 'V03.01 ' / SIB2 version JAXA