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Title: The XRISM first-light observation: Velocity structure and thermal properties of the supernova remnant N 132D

Journal Article · · Publications of the Astronomical Society of Japan
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  1. Department of Astronomy, University of Geneva , Chemin Pegasi, 51, Versoix CH-1290 ,
  2. Department of Physics, Ehime University , 2-5 Bunkyo-cho, Matsuyama, Ehime 790-8577 ,
  3. Department of Astronomy, University of Maryland , 4296 Stadium Dr., College Park, MD 20742-2421 ,; NASA/Goddard Space Flight Center , Greenbelt, MD 20771 ,; Center for Research and Exploration in Space Science and Technology , NASA/GSFC (CRESST II), Greenbelt, MD 20771 ,
  4. Department of Physics, The University of Tokyo , 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033 ,
  5. Department of Physics , Technion, Technion City, Haifa 3200003 ,
  6. NASA/Goddard Space Flight Center , Greenbelt, MD 20771 ,; Center for Research and Exploration in Space Science and Technology , NASA/GSFC (CRESST II), Greenbelt, MD 20771 ,; Center for Space Science and Technology, University of Maryland, Baltimore County (UMBC) , 1000 Hilltop Circle, Baltimore, MD 21250 ,
  7. Center for Astrophysics, Harvard-Smithsonian , 60 Garden Street, Cambridge, MA 02138 ,
  8. Lawrence Livermore National Laboratory , 7000 East Ave, Livermore, CA 94550 ,
  9. Department of Astronomy, University of Michigan , 323 West Hall, 1085 S University Ave, Ann Arbor, MI 48109 ,
  10. SRON Netherlands Institute for Space Research , Niels Bohrweg 4, 2333 CA Leiden ,
  11. NASA/Goddard Space Flight Center , Greenbelt, MD 20771 ,
  12. ESO , Karl-Schwarzschild-Strasse 2, 85748, Garching bei München ,
  13. Centre for Extragalactic Astronomy, Department of Physics, University of Durham , South Road, Durham DH1 3LE ,
  14. Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA) , 3-1-1 Yoshinodai, Chuo-ku, Sagamihara, Kanagawa 252-5210 ,
  15. Department of Physics, Kyoto University , Kitashirakawa Oiwakecho, Sakyo-ku, Kyoto, Kyoto 606-8502 ,
  16. Department of Economics, Kumamoto Gakuen University , 2-5-1 Oe, Chuo-ku, Kumamoto, Kumamoto 862-8680 ,
  17. Department of Physics, Tokyo Metropolitan University , 1-1 Minami-Osawa, Hachioji-shi, Tokyo 192-0397 ,
  18. Department of Physics, Hiroshima University , 1-3-1 Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8526 ,
  19. Department of Physics, Fujita Health University , 1-98 Dengakugakubo, Kutsukake-cho, Toyoake, Aichi 470-1192 ,
  20. Department of Astronomy and Physics, Saint Mary’s University , 923 Robie St Halifax, Nova Scotia B3H 3C3 ,
  21. NASA/Goddard Space Flight Center , Greenbelt, MD 20771 ,; Cahill Center for Astronomy and Astrophysics, California Institute of Technology , 1216 East California Blvd, Pasadena, CA 91125 ,
  22. European Space Agency (ESA), European Space Research and Technology Centre (ESTEC) , 2200 AG, Noordwijk ,
  23. Faculty of Engineering, University of Miyazaki , 1-1 Gakuen-kibanadai-nishi, Miyazaki, Miyazaki 889-2192 ,
  24. RIKEN Nishina Center , 2-1 Hirosawa, Wako, Saitama 351-0198 ,
  25. SRON Netherlands Institute for Space Research , Niels Bohrweg 4, 2333 CA Leiden ,; Leiden Observatory, University of Leiden , PO Box 9513, NL-2300 RA, Leiden ,
  26. Kavli Institute for Astrophysics and Space Research, Massachusetts Institute of Technology , 70 Vassar St, Cambridge, MA 02139 ,
  27. Department of Physics, Saitama University , 255 Shimo-Okubo, Sakura, Saitama, Saitama 338-8570 ,
  28. Department of Physics, Rikkyo University , 3-34-1 Nishi Ikebukuro, Toshima-ku, Tokyo 171-8501 ,
  29. Faculty of Physics, Tokyo University of Science , 1-3 Kagurazaka, Shinjuku-ku, Tokyo 162-8601 ,
  30. Faculty of Science and Technology, Tokyo University of Science , 2641 Yamazaki, Noda, Chiba 278-8510 ,
  31. Department of Electronic Information Systems, Shibaura Institute of Technology , 307 Fukasaku, Minuma-ku, Saitama, Saitama 337-8570 ,
  32. Department of Earth and Space Science, Osaka University , 1-1 Machikaneyama, Toyonaka 560-0043, Osaka ,
  33. Department of Physics, University of Wisconsin , 2320 Chamberlin Hall, 1150 University Ave, Madison, WI 53706 ,
  34. Department of Physics and Astronomy, University of Waterloo , 200 University Avenue West, Waterloo, Ontario N2L 3G1 ,
  35. Department of Physics, Nagoya University , Furo-cho, Chikusa-ku, Nagoya, Aichi 464-8602 ,
  36. Science Research Education Unit, University of Teacher Education Fukuoka , 1-1 Akamabunkyo-machi, Munakata, Fukuoka 811-4192 ,
  37. Hiroshima Astrophysical Science Center, Hiroshima University , 1-3-1 Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8526 ,
  38. Department of Data Science, Tohoku Gakuin University , 3-1 Shimizukoji, Wakabayashi-ku, Sendai, Miyagi 984-8588 ,
  39. Department of Astronomy, University of Maryland , 4296 Stadium Dr., College Park, MD 20742-2421 ,
  40. College of Science and Engineering, Kanto Gakuin University , 1-50-1 Mutsuura-higashi, Kanazawa-ku, Yokohama, Kanagawa 236-8501 ,
  41. European Space Agency (ESA), European Space Astronomy Centre (ESAC) , Camino bajo del Castillo, s/n, Urbanización Villafranca del Castillo, Villanueva de la Cañada, E-28692 Madrid ,
  42. Department of Science, Faculty of Science and Engineering, Kindai University , 3-4-1 Kowakae, Higashiosaka, Osaka 577-8502 ,
  43. Department of Teacher Training and School Education, Nara University of Education , Takabatake-Cho, Nara, Nara 630-8528 ,
  44. Astronomical Institute, Tohoku University , 6-3 Aramaki, Aoba-ku, Sendai, Miyagi 980-8578 ,
  45. Department of Physics, Nara Women’s University , Kitauoya-nishimachi, Nara, Nara 630-8506 ,
  46. School of Science and Technology, Meiji University , 1-1-1 Higashi-Mita, Tama-ku, Kawasaki, Kanagawa 214-8571 ,
  47. Yale Center for Astronomy and Astrophysics, Yale University , PO Box 208120, New Haven, CT 06520-8120 ,
  48. Department of Physics, Konan University , 8-9-1 Okamoto, Kobe, Hyogo 658-8501 ,
  49. Graduate School of Science and Engineering, Kagoshima University , 1-21-40 Korimoto, Kagoshima, Kagoshima 890-0065 ,
  50. Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA) , 3-1-1 Yoshinodai, Chuo-ku, Sagamihara, Kanagawa 252-5210 ,; Department of Physics, Saitama University , 255 Shimo-Okubo, Sakura, Saitama, Saitama 338-8570 ,
  51. Department of Physics, Chuo University , 1-13-27 Kasuga, Bunkyo, Tokyo 112-8551 ,
  52. Faculty of Education, Shizuoka University , 836 Ohya, Suruga-ku, Shizuoka, Shizuoka 422-8529 ,
  53. Department of Astronomy, Kyoto University, Kitashirakawa Oiwakecho , Sakyo-ku, Kyoto, Kyoto 606-8502 ,
  54. Nihon Fukushi University , 26-2 Higashihaemi-cho, Handa, Aichi 422-8529 ,
  55. Anton Pannekoek Institute, the University of Amsterdam , Postbus 942491090 GE Amsterdam ,
  56. RIKEN Cluster for Pioneering Research , 2-1 Hirosawa, Wako, Saitama, Saitama 351-0198 ,
  57. NASA/Goddard Space Flight Center , Greenbelt, MD 20771 ,; Johns Hopkins University , 3400 N Charles Street, Baltimore, MD 21218 ,
  58. Department of Astronomy and Astrophysics, University of Chicago , 5640 S Ellis Ave, Chicago, IL 60637 ,
  59. Department of Physics, The University of Tokyo , 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033 ,; Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA) , 3-1-1 Yoshinodai, Chuo-ku, Sagamihara, Kanagawa 252-5210 ,
+ Show Author Affiliations

We present an initial analysis of the X-Ray Imaging and Spectroscopy Mission (XRISM) first-light observation of the supernova remnant (SNR) N 132D in the Large Magellanic Cloud. The Resolve microcalorimeter has obtained the first high-resolution spectrum in the 1.6–10 keV band, which contains K-shell emission lines of Si, S, Ar, Ca, and Fe. We find that the Si and S lines are relatively narrow, with a broadening represented by a Gaussian-like velocity dispersion of $$\sigma _v \sim 450$$ km s$$^{-1}$$. However, the Fe He$$\alpha$$ lines are substantially broadened with $$\sigma _v \sim 1670$$ km s$$^{-1}$$. This broadening can be explained by a combination of the thermal Doppler effect due to the high ion temperature and the kinematic Doppler effect due to the SNR expansion. Assuming that the Fe He$$\alpha$$ emission originates predominantly from the supernova ejecta, we estimate the reverse shock velocity at the time when the bulk of the Fe ejecta were shock heated to be $$-1000 \lesssim V_{\rm rs}$$ (km s$$^{-1}$$) $$\lesssim 3300$$ (in the observer frame). We also find that Fe Ly$$\alpha$$ emission is redshifted with a bulk velocity of $$\sim 890$$ km s$$^{-1}$$, substantially larger than the radial velocity of the local interstellar medium surrounding N 132D. These results demonstrate that high-resolution X-ray spectroscopy is capable of providing constraints on the evolutionary stage, geometry, and velocity distribution of SNRs.

Research Organization:
Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
Sponsoring Organization:
JSPS; NASA; NSF; STFC; USDOE; USDOE National Nuclear Security Administration (NNSA)
Grant/Contract Number:
AC52-07NA27344
OSTI ID:
2461661
Report Number(s):
LLNL-JRNL--2007238
Journal Information:
Publications of the Astronomical Society of Japan, Journal Name: Publications of the Astronomical Society of Japan Journal Issue: 6 Vol. 76; ISSN 0004-6264; ISSN 2053-051X
Publisher:
Oxford University Press (OUP)Copyright Statement
Country of Publication:
United States
Language:
English

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