IC4329A
Various structures within AGNs emit Fe K lines. IC 4329A, a prominent Seyfert 1 galaxy in X-rays with minimal absorption in its spectrum, is ideal for studying Fe K emission origins. Line width analysis suggests a radius of about 60 light-days, possibly representing an outer broad line region. We propose using a 130 ks observation with XRISM to constrain the ionization degree of this Fe K reprocessor, enabling the calculation of its number density and a deeper understanding of its properties. Anticipated log ionization parameter falls between 1 and 2, with Fe Kalpha and Kbeta lines exhibiting energy shifts of several eV within this range. XRISM is uniquely equipped to detect this energy shift within a reasonable exposure time.
obsid = 201044010 / Unique Observation/Sequence Number
object = IC4329A / Object name
pi_name = MIZUMOTO MISAKI / Proposal Principal Investigator Name
ra = 207.33117155779 / Right Ascension (Pointing Position) (deg)
dec = -30.3093909813728 / Declination (Pointing Position) (deg)
roll_angle = 288.000104629399 / Roll Angle (deg)
start_time = 2025-08-07T22:49:04 / Start Time of the Observation
stop_time = 2025-08-11T08:07:04 / Stop Time of the Observation
exposure = 146288.4362 / Effective Total Observation Exposure (s)
public_date= 2026-08-26 / Public Date