JAXA Supercomputer System Annual Report February 2024-January 2025

Report Number: R24EDU10503

Subject Category: Space and Astronautical Science

PDF available here

• Responsible Representative: Ken Ebisawa, Professor, Department of Astrophysics, ISAS
• Contact Information: Ken EBISAWA (ebisawa.ken@jaxa.jp)(ebisawa.ken@jaxa.jp)
• Members: Nagi Atsuchi, Yuji Chinone, Satoshi Eguchi, Ken Ebisawa, Kiyoshi Ikuma, Yoshiaki Kanemaru, Miki Kurihara, Ryosuke Moriguchi, Yuto Mochizuki, Daiki Miura, Tamaki Murokoshi, Yuya Nagano, Satoshi Nakahira, Shunsuke Okumura, Shoji Ogawa, Hiromasa Suzuki, Yuki Sakurai, Tsubasa Tamba, Masahiro Tsujimoto, Mayu Tominaga, Yusuke Takase, Hayato Takakura, Issei Yamamura, Maurizio Tomasi

Abstract

Carry out high-level data processing of a large volume of the data from JAXA's scientific satellite

Reference URL

N/A

Reasons and benefits of using JAXA Supercomputer System

JSS is effective for high-level processing of large-scale data acquired by scientific satellites　and large-scale simulations , as it requires high computational power and large-scale data storage.

Achievements of the Year

We were able to perform observation simulations of the LiteBIRD satellite and investigate the optimal design. We verified the observational potential of XRISM and performed simulations to explain the initial observational data, and we were able to extract the maximum amount of scientific results from the XRISM data.

Publications

- Peer-reviewed papers

"Detection of the orbital modulation of Fe Kα fluorescence emission in Centaurus X-3using the high-resolution spectrometer Resolve onboard XRISM", Mochizuki, Y., et al. , The Astrophysical Journal Letters, IOP Publishing, 977 L21, November 2024, DOI: 10.3847/2041-8213/ad946d

"Outflowing photoionized plasma in Circinus X-1 using the high-resolution X-ray spectrometer Resolve onboard XRISM and the radiative transfer code cloudy",

Tsujimoto, et al. , Publications of the Astronomical Society of Japan, 2025, in press

"New Insights with XRISM Cloudy: A Novel Column Density Diagnostics"

Chamani M. Gunasekera, Peter A. M. van Hoof, Masahiro Tsujimoto, Gary J. Ferland

Astronomy & Astrophysics, 694, L13

"Intrinsic line profiles for X-ray fluorescent lines in SKIRT"

Vander Mullen, B., Caps, P, Tsujimoto, M., Wada, K.

Astronomy & Astrophysics Letters, 688, L33

- Oral Presentations

Mochizuki, Y. et al. "Orbital & spin modulation of Fe emission lines in Cen X-3 using XRISM/Resolve", XRISM Science Team Meeting #6, Galactic Compact, Tokyo Metropolitan University, September・2024

Mochizuki, Y.," Cen X-3 target team, Status report (5) & Research talk in Cen X-3", XRISM Science Team Meeting #7, Galactic Compact, Arizona state University, February・2025

Nagano, Y. "HWP and systematics effects with asymmetric beams", CMP-INFLATE meeting, 2025/01/27-29@KEK

- Poster Presentations

Mochizuki, Y., et al. , "Orbital modulation of Fe spectral features in Centaurus X-3", XRISM Science Workshop for Young Researchers, #4, Tokyo Metropolitan University, September 2024

Usage of JSS

Computational Information

• Process Parallelization Methods: N/A
• Thread Parallelization Methods: Automatic Parallelization
• Number of Processes: 1
• Elapsed Time per Case: 10 Hour(s)

JSS3 Resources Used

Fraction of Usage in Total Resources*1(%): 0.38

Details

Please refer to System Configuration of JSS3 for the system configuration and major specifications of JSS3.

*1: Fraction of Usage in Total Resources: Weighted average of three resource types (Computing, File System, and Archiver).

*2: Fraction of Usage：Percentage of usage relative to each resource used in one year.

ISV Software Licenses Used

*2: Fraction of Usage：Percentage of usage relative to each resource used in one year.

JAXA Supercomputer System Annual Report February 2024-January 2025