Aki Takeda Research Scientist Phone: (406) 994-7848  Fax: (406) 994-4452  Office: - e-mail: takeda[at]solar.physics.montana.edu

Aki Takeda  Department of Physics  Montana State University  Bozeman, MT 59717-3840

about me ...

research projects

Hinode/XRT operation, data analysis and archive maintenance       H10 party photos       H17/I15/S3 web site

• latest XRT response functions with Chianti ver.10.1.       previous version (ver.9.0.1).       previous version (ver.8.0.0) .
• XRT synoptic image project :    SCIA ,    the SCIA paper,    SCIA FITS -- MSU version,   and
                                              latest QL synoptic composite.
• Reviewing the Focus Mode Operation.
• XRT stray light study - 2014 and summary PDF,        2015 (phase 1),    2015 (phase 2),
             2016        2017 (phase 2)        2017 (phase 3)        2018 (phase 3)        2018 (phase 4)
             2019 (phase 4).        2020 (phase 4)        2021 (phase 4)        2022 (phase 4)
             2022 (phase 5).        2023 (phase 6).        2024 (phase 6 & 7).
• XRT irradiance study       irradiance study returns       irradiance study 3
             irradiance study 4.       presentation at the H-14.       talk at HJC 20211020.
             irrad 5 on FOV dependence       presentation at the H-16.
• Extended DV report 20141123. (includes XRT new flare response).
• Modification of XRT response functions due to stray light.
• Re-calculation of the k-factor for the stray light correction for phase 1 (9-May-2012 to 14-Jun-2015).
• Synthesizing Ti-poly stray light images for phase 1.
• Mercury transit observation with XRT, 9-May-2016      11-Nov-2019 .
• XRT CCD contamination related.
  • Contamination layer thickness .
  • Uncorrected contamination spots (location and growth rate as of 2017).
  • Contamination and Dust spots correction.
• Modification of 7-filter synoptic program (PDF).
• Summary of XRT DV tasks
• XRT void on 5-Nov-2016.
• XRT Level0 Mpeg Movie Archive, and Histgrams of exposure times for each filter.     L0 movie check
• Circular ribbon flare on 17-Dec-2014.
• New FLare Detection (FLD) filter monitoring.       2022 analysis
• REU summer 2017 top page,       my page,       Kaitlin's page
  REU 2018 top page,       my page,       Nicole's page      Our project paper published!
  REU 2021 top page,       my page,       Stefanie's final presentation
  REU 2022 top page,       my page,       Shannon's page      Our project paper published!
  REU 2023 top page,       my page,       Anne's page
• 21-Aug-2017 Solar Eclipse observation by XRT
• CCD dark calibration during bakeout in Aug-2017 and May-2018 and Oct-2019.
• Current Sheet Study of the 10-Sep-2017 Flare.
• Polar Jet study.
• Modification of temperature response function through XRT irradiance.
• XRT calibration meeting on 2021/01/27     2021/10/06         2022/03/29     and     2022/07/27
          2023/02/16         2023/07/31         2024/02/23         2024/10/29
• TESS 2022 posters (8/8-11 Bellvue WA) : XRT irradiance     Lx-B relation

Seamless GOES project.

• YLA seamless GOES project.
• about GOES/XRS

Max Millennium project.

• NOAA reports

Yohkoh Legacy data Archive       Y20 party photos

• New software by YLA.
• SXT new response functions.    SXT response with Chianti ver. 10 + irrad study ,
• YLA color table consideration.
• YLA redacted version at SDAC.
• YLA redacted version at ISAS.
• YLA irradiance study       SXT irradiance study returns!       Our 2018 REU project paper was published!
• YLA Soft X-ray Irradiance Archive

for my convenience

• Total solar eclipse observation, 1999.
• Solar Eclipse 21-Aug-2017 in Bozeman!
• "Quick Lesson Japanese".
• Cavity observation by SXT.
• SXT Interpolate (smooth rotating) Movies --- Smoothies!.
• GOES database in SolarSoft.
• VSO search form template.
• XRT movies, text to share. .
• Min to Max movies.
• Tsuneta Flare Revisited..
• Event Archive test page..
• AR11520 analysis page.
• Talk to CDC kids.
• Talk to visitors to MSU Physics Dept.
• Solar Radio Burst image collection.
• Solar Eclipses (REU 2017 lecture).
• Solar Space Telescopes (REU 2022 lecture).
• REU 2018 (my page),       2021 (my page),       2022 (my page) .
• HJC 20211020    20220216    20221205    20241204.
• STEAM Day Workshop 2023