Research

This is largely under construction.

  • 2014.10.05
    Press Release for the following paper.
    "A hybrid type Ia supernova with an early flash triggered by helium-shell detonation"
    Jian, J., Doi, M., Maeda, K., et al.
    .2017, Nature, 550, 80-83 (5 October 2017 issue)


  • 2017.09.05
    A paper accepted by The Astrophysical Journal. The first author is a graduate student of the department of astronomy of Kyoto University.
    "Circumstellar Light Echo as a Possible Origin of the Polarization of Type IIP Supernovae"
    Nagao, T., Maeda, K., Tanaka, M.


  • 2017.09.01
    A paper accepted by Monthly Notices of the Royal Astronomical Society. The paper uses the Subaru/HSC data from the Subaru Strategic Survey.
    "SN 2016jhj at redshift 0.34: extending the Type II supernova Hubble diagram using the standard candle method"
    de Jaeger, T., et al.


  • 2014.08.09
    A paper accepted by Nature.
    "A hybrid type Ia supernova with an early flash triggered by helium-shell detonation"
    Jian, J., Doi, M., Maeda, K., et al.


  • 2017.04.19
    A paper accepted by The Astrophysical Journal. The first author is a graduate student of the department of astronomy of Kyoto University.
    "Radii and mass-loss rates of Type IIb supernova progenitors"
    Ouchi, R., Maeda, K.


  • 2017.03.23
    A paper accepted by The Astrophysical Journal.
    "Does Explosive Nuclear Burning occur in Tidal Disruption Events of White Dwarfs by Intermediate Mass Black Holes?"
    Tanikawa, A., Sato, Y., Nomoto, K., Maeda, K., Nakasato, N., Hachisu, I.


  • 2017.02.15
    A paper accepted by Monthly Notices of the Royal Astronomical Society.
    "A New Type Of X-ray Transient"
    Bauer, F.E., Treister, E., Schawinski, K., Schulze, S., Luo, B., Alexander, D.M., Brandt, W.N., Comastri, A., Forster, F., Gilli, R., Kann, D.A., Maeda, K., Nomoto, K., Paolillo, M., Ranalli, P., Schneider, D.P., Shemmer, O., Masaomi, T., Tolstov, A., Tominaga, N., Tozzi, P., Vignali, C., Wang, J., Xue, Y., Yang, G.


  • 2017.02.10
    A paper accepted by The Astrophysical journal Letters.
    "Three-Dimensional Explosion Geometry of Stripped-Envelope Core-Collapse Supernovae. II. Modelling of Polarization"
    Tanaka, M., Maeda, K., Mazzali, P.A., Kawabata, K.S., nomoto, K.


  • 2017.02.08
    A paper accepted by Monthly Notices of the Royal Astronomical Society.
    "Molecular gas at supernova local environments unveiled by EDGE"
    Galbany, L., Mora, L., Gonzalez-Gaitan, S., Bolatto, A., Dannerbauer, H., Lopez-Sanchez, A.R., Maeda, K., Perez, X., Perez-Torres, M.A., Sanchez, S.F., Wong, T., Badenes, C., Blitz, L., Marino, R.A., Utomo, D., Van de Ven, G.


  • 2017.02.04
    A paper accepted by The Astrophysical journal Letters.
    "Broad-lined Supernova 2016coi with a Helium Envelope"
    Yamanaka, M., Nakaoka, T., Tanaka, M., Maeda, K., et al.


  • 2017.01.26
    A paper accepted by Monthly Notices of the Royal Astronomical Society.
    "Optical and Ultraviolet Spectroscopic Analysis of SN 2011fe at Late Times"
    Friesen, F., Baron, E., Parrent, J.T., Thomas, R.C., Branch, D., Nugent, P., Hauschildt, P.H., Foley, R.J., Wright, D.E., Pan, Y.-C., Filippenko, A.V., Clubb, K.I., Silverman, J.M., Maeda, K., Shivvers, I., Kelly, P.L., Cohen, D.P., Rest, A., Kasen, D.


  • 2016.12.13
    A paper accepted by The Astrophysical Journal. The first author is a graduate student of the department of astronomy of Kyoto University.
    "The origin of the near-infrared excess in SN Ia 2012dn: Circumstellar dust around the super-Chandrasekhar supernova candidate"
    Nagao, T., Maeda, K., Yamanaka, M.


  • 2016.12.12
    A paper accepted by Monthly Notices of the Royal Astronomical Society. The first author (Akihiro Suzuki) is a JSPS PD fellow at Kyoto University.
    "Supernova Ejecta with a Relativistic Wind from a Central Compact Object: A Unified Picture for Extraordinary Supernovae"
    Suzuki, A., Maeda, K.


  • 2016.12.06
    A paper accepted by Astronomy and Astrophysics.
    "SN 2015bh: NGC 2770's 4th supernova or a luminous blue variable on its way to a Wolf-Rayet star?"
    Thoene, C.C., de Ugarte Postigo, A., Leloudas, G., Gall, C., Cano, Z., Maeda, K., Schulze, S., Campana, S., Wiersema, K., Groh, J., de la Rosa, J., Bauer, D. Malesani, F.E., Maund, J., Morell, N., Beletsky, Y.,


  • 2016.11.09
    A paper accepted by Astronomy and Astrophysics.
    "A study of gamma ray bursts with afterglow plateau phases associated with supernovae"
    Dainotti, M.G., Nagataki, S., Maeda, K., Postnikov, S., Pian, E.


  • 2016.10.29
    A paper accepted by The Astrophysical Journal. The first author (Akihiro Suzuki) is a JSPS PD fellow at Kyoto University.
    "Hydrodynamical Interaction of Mildly Relativistic Ejecta with An Ambient Medium"
    Suzuki, A., Maeda, K., Shigeyama, T.


  • 2016.09.28
    A paper accepted by The Astrophysical Journal.
    "Soft and Hard X-ray Components from Type IIn Supernovae: Evidence for Ashpericity in the Circumstellar Medium"
    Katsuda, S., Maeda, K., Bamba, A., Terada, Y., Fukazawa, Y., Kawabata, K., Ohno, M., Sugawara, Y., Tsuboi, Y., Immler, S.


  • 2016.6.7
    Press Release
    "OISTER optical and near-infrared observations of the super-Chandrasekhar supernova candidate SN2012dn: dust emission from the circumstellar shell"
    Yamanaka, M., Maeda, K., et al.


  • 2016.06.06
    A paper accepted by The Astrophysical Journal.
    "Disappearance of The Progenitor of Supernva iPTF13bvn"
    Folatelli, G., Van Dyk, S.D., Kuncarayakti, H., Maeda, K., Bersten, M.C., Nomoto, K., Pignata, G., Hamuy, M., Quimby, R.M., Zheng, W., Filippenko, A.V., Clubb, K.I., Smith, N., Elias-Rosa, N., Foley, R.J., Miller, A.A.


  • 2016.05.26
    A paper accepted by The Astrophysical Journal. The first author (Akihiro Suzuki) is a JSPS PD fellow at Kyoto University.
    "2D Radiation-hydrodynamic Simulations of Supernova Shock Breakout in Bipolar Explosions of a Blue Supergiant Progenitor"
    Suzuki, A., Maeda, K., Shigeyama, T.


  • 2016.05.24
    A paper accepted by The Astrophysical Journal. The project was initiated during a long-term stay of the first author (Xulin Zhao) at Kyoto University.
    "The Oxygen Features in Type Ia Supernovae and the Implications for the Nature of Thermonuclear Explosions"
    Zhao, X., Maeda, K., Wang, X., Wang, L., Sai, H., Zhang, J., Zhang, T., Huang, F., Rui, L.


  • 2016.05.10
    A paper accepted by The Astrophysical Journal.
    "Monte Carlo Population Synthesis of Post-Common-Envelope White Dwarf Binaries and Type Ia Supernova Rate"
    Ablimit, I., Maeda, K., Li, X.-D.


  • 2016.04.11
    A paper accepted by The Astrophysical Journal.
    "Circumstellar and explosion properties of Type Ibn Supernovae"
    Moriya, M., Maeda, K.


  • 2016.04.11
    A paper accepted by Publications of the Astronomical Society of Japan.
    "OISTER Optical and Near-Infrared Observations of the Super-Chandrasekhar Supernova Candidate SN 2012dn: Dust Emission from the Circumstellar Shell"
    Yamanaka, M., Maeda, K., Tanaka, M,. Tominaga, N., Kawabata, K.S., Takaki, K., Kawabata, M., Nakaoka, T., Ueno, I., Akitaya, H., Nagayama, T., Takahashi, J., Honda, S., Omodaka, T., Miyanoshita, R., Nagao, T., Watanabe, M., Isogai, M., Arai, A., Itoh, R., Ui, T., Uemura, M., Yoshida, M., Hanayama, H., Kuroda, D., Ukita, N., Yanagisawa, K., Izumiura, H., Saito, Y., Masumoto, K., Ono, R., Noguchi, R., Matsumoto, K., Nogami, D., Morokuma, T., Oasa, Y., Sekiguchi, K.


  • 2016.03.24
    A paper accepted by The Astrophysical Journal. The first author is a graduate student of the department of astronomy of Kyoto University.
    "Extinction Laws toward Stellar Sources within a Dusty Circimstellar Medium and Implications for Type Ia Supernovae"
    Nagao, T., Maeda, K., Nozawa, T.


  • 2016.03.03
    A paper accepted by The Astrophysical Journal.
    " The Critical Mass Ratio of Double White Dwarf Binaries for Violent Merger-Induced Type Ia Supernova Explosions"
    Sato, Y., Nakasato, N., Tanikawa, A., Nomoto, K., Maeda, K., Izumi, H.


  • 2016.03.02
    A paper accepted by The Astrophysical Journal.
    "Measurements of the Soft Gamma-ray Emission from SN2014J with Suzaku"
    Terada, Y., Maeda, K., Fukazawa, Y., Bamba, A., Ueda, Y., Kastuda, S., Enoto, T., Takahashi, T., Tamagawa, T., Roepke, F.K., Summa, A., Diehl, R.


  • 2016.02.23
    A paper accepted by Monthly Notices of the Royal Astronomical Society.
    "Evolving into a remnant: optical observations of SN 1978K at three decades"
    Kuncarayakti, H., Maeda, K., Anderson, J.P., Hamuy, M., Nomoto, K., Galbany, L., Doi, M.


  • 2016.02.20
    A paper accepted by The Astrophysical Journal.
    "Spatially-Resolved Spectroscopy of a Balmer-Dominated Shock in the Cygnus Loop: An Extremely Thin Cosmic-Ray Precursor?"
    Katsuda, S., Maeda, K., Ohira, Y., Yatsu, Y., Mori, K., Aoki, W., Morihana, K., Raymond, J.C., Ghavamian, P., Lee, J.-J., Shimoda, J., Yamazaki, R.


  • 2016.02.16
    A paper accepted by The Astrophyscal Journal.
    "SN~2012cg: Evidence for Interaction Between a Normal Type Ia Supernova and a Non-Degenerate Binary Companion"
    Marion, H., et al.


  • 2016.01.12
    A paper accepted by Monthly Notices of the Royal Astronomical Society. The main part of the work was done during the first author's visit to Kyoto University under a JSPS program.
    "A self-consistent analytical magnetar model: The luminosity of gamma-ray burst supernovae is powered by radioactivity"
    Cano, Z., Johansson, A.K.G., Maeda, K.


  • 2015.12.22
    A paper accepted by Monthly Notices of the Royal Astronomical Society.
    "Mass Ejection by Pulsational Pair-instability in Very Massive Stars and Implications for Luminous Supernovae"
    Yoshida, T., Umeda, H., Maeda, K., Ishii, T.


  • 2015.12.15
    An exciting observation for the disapperance of the progenitor star of SN 2009ip, reported in ATEL.
    "SN 2009ip is now below the proposed progenitor level observed in 1999"
    Thoene, C., de Ugarte Postigo, A., Leloudas, G., Cano, Z., Maeda, K.


  • 2015.12.13
    A paper accepted by the Astrophysical Journal.
    "A LUMINOUS TYPE IA SUPERNOVA SN 2011HR: A GAP-FILLER BETWEEN SN 1991T AND SN 2007IF?"
    Zhang, J., Wang, X., Sasdelli, M., Zhang, T., Liu, Z., Mazzali, P.A., Meng, X., Maeda, K., Chen, J., Huang, F., Zhao, X., Zhai, Q., Pian, E., Wang, B., Chang, L., Yi, W., Wang, C., Wang, X., Xin, Y., Wang, J., Lun, B., Zheng, X., Zhang, X., Bai, J.


  • 2015.11.26
    A paper accepted by the Astrophysical Journal.
    "Probing Final Stages of Stellar Evolution with X-Ray Observations of SN 2013ej "
    Chakraborti, S., Ray, A., Smith, R., Margutti, R., Pooley, D., Bose, S., Sutaria, F., Chandra, P., Dwarkadas, V.V., Ryder, S., Maeda, K.


  • 2015.11.15
    A paper accepted by the Astrophysical Journal.
    "Sodium Absorption Systems toward SN Ia 2014J Originate on Interstellar Scales"
    Maeda, K., Tajitsu, A., Kawabata, K.S., Foley, R., Honda, S., Moritani, Y., Tanaka, M., Hashimoto, O., Ishigaki, M., Simon, J.D., Phillips, M.M., Yamanaka, M., Nogami, D., Arai, A., Aoki, W., Nomoto, K., Milisavljevic, D., Mazzali, P.A., Soderberg, A.M., Schramm, M., Sato, B., Hayakawa, H., Morrell, N., Arimoto, N.


  • 2015.9.3
    A paper accepted by the Astrophysical Journal.
    "The Progenitor of The Type IIb SN 2008ax Revisited"
    Folatelli, G., Bersten, M.C., Kuncarayakti, H., Benvenuto, O., Maeda, K., Nomoto, K.


  • 2015.8.7
    A paper accepted by The Astrophysical Journal Supplement. The first author (Xulin Zhao) was a visiting student to Kyoto University for 7 months (Sep 2014 - March 2015).
    "The Silicon and Calcium High-Velocity Features in Type Ia Supernovae from Early to Maximum Phases"
    Zhao, X., Wang, X., Maeda, K., Sai, H. Zhang, T., Zhang, J., Huang, F., Rui, L., Zhou, Q., Mo, J.


  • 2015.7.6
    A paper accepted by Monthly Notices of the Royal Astronomical Society.
    "Constraining the Amount of Circumstellar Matter and Dust around Type Ia Supernovae through Near-Infrared Echoes"
    Maeda, K., Nozawa, T., Nagao, T., Motohara, K.


  • 2015.6.15
    Proposals accepted by SubaruTelescope for S15B.
    "Systematic Study on Relations between Supernova Explosions and Environment" [2 nights, FOCAS]
    Maeda, K., Yamanaka, M., Folatelli, G., et al.

    "Probing a Possible Cosmic-Ray Precursor in front of the Cygnus Loop's Shock" [3.4 hour, service program - Rank A, HDS]
    Katsuda, S., Maeda, K., Mori, K.,, et al.


  • 2015.6.9
    A paper accepted by The Astrophysical Journal.
    "Kepler's Supernova: An Overluminous Type Ia Event Interacting with a Massive Circumstellar Medium at A Very Late Phase"
    Katsuda, S., Mori, K., Maeda, K., Tanaka, M., Koyama, K., Tsunemi, H., Nakajima, H., Maeda, Y., Ozaki, M., Petre, R.


  • 2015.6.1
    A grant proposal accepted for Open Joint Projects of JSPS Bilateral Joint Research Projects between Japan and Chile (PI, 1.35M JPY for FY 2015).
    "Initiative on supernova study: Synergy in surveys, follow-up observations, and theoretical modeling"


  • 2015.5.8
    AstroArts article for the following paper.
    Press release from NRAO (National Radio Astronomy Observatory).
    "The Broad-Lined Type Ic SN 2012ap and the Nature of Relativistic Supernovae Lacking a Gamma-ray Burst Detection"
    Milisavljevic, D., Margutti, R., Parrent, J. T., Soderberg, A. M., Fesen, R. A., Mazzali, P.A., Maeda, K., Sanders, N. E., Cenko, S. B., Silverman, J. M., Filippenko, A. V., Kamble, A., Chakraborti, S., Drout, M. R., Kirshner, R. P., Pickering, T. E., Kawabata, K.S., Hattori, T., Hsiao, E. Y., Stritzinger, M. D., Marion, G. H., Vinko, J., Wheeler, J. C.
    2014, The Astrophysical Journal, 799, 51


  • 2015.5.7
    A paper accepted by The Astrophysical Journal.
    "Typ IIb Supernova 2013df Entering into an Interraction Phase: A Link between the Progenitor and the Mass Loss"
    Maeda, K., Hattori, T., Milisavljevic, D., Folatelli, G., Drout, M.R., Kuncarayakti, H., Margutti, R., Kamble, A., Soderberg, A.M., Tanaka, M., Kawabata, M., Kawabata, K.S., Yamanaka., Nomoto, K., Kim, J.H., Simon, J.D., ., Phillips, M.M., Parrent, J., Nakaoka, T., Moriya, T., Suzuki, A., Takaki, K., Ishigaki, M., Sakon, I., Tajitsu, A., Iye, M.,


  • 2015.5.4
    A paper accepted by The Astrophysical Journal.
    "OISTER Optical And Near-Infrared Observations of Type Iax Supernova 2012Z"
    Yamanaka, M., Maeda, K., Kawabata, K.S., et al.


  • 2015.5.3
    A paper accepted by The Astrophysical Journal.
    "A Systematic Study of Carbon-Oxygen White Dwarf Mergers: Mass Combinations for Type Ia Supernovae"
    Sato, Y., Nakasato, N., Tanikawa, A., Nomoto, K., Maeda, K., Izumi, H.


  • 2015.4.21
    A paper accepted by The Astrophysical Journal. "Hydrodynamical Evolution of Merging Carbon-Oxygen White Dwarfs: Their Pre-Supernova Structure and Observatinoal Counterparts"
    Tanikawa, A., Nakasato, N., Sato, Y.,, Nomoto, K., Maeda, K., Hachisu, I.


  • 2015.4.7
    A paper accepted by Astronomy and Astrophysics.
    "Nebular phase observations of the type-Ib supernova iPTF13bvn favor a binary progenitor"
    Kuncarayakti, H., Maeda, K., Bersten, M.C., Folatelli, G., Morrell, N., Hsiao, E.Y., Gonzalwz-Gaitan, S., Anderson, J.P., Hamuy, M., de Jaeger, T., Guierrez, C.P., Kawabata, K.S.


  • 2015.4.7
    A paper accepted by Publications of Astronomical Society of Japan.
    "Selection for Modeling the Absolute Magnitude at Maximum of Type Ia Supernovae"
    Uemura, M., Kawabata, K., Ikeda, S., Maeda, K.


  • 2015.4.7
    Facebook article by the Kavli Foundation on
    "Suzaku Studies Supernova 'Crime Scene,' Shows a Single White Dwarf to Blame"



  • 2015.4.2
    Press Release from NASA
    "Suzaku Studies Supernova 'Crime Scene,' Shows a Single White Dwarf to Blame"
    Based on the paper published in ApJ Letter, "A Chandrasekhar Mass Progenitor for The Type Ia Supernova Remnant 3C397 from The Enhanced Abundances of Nickel And Manganese"
    Yamaguchi, H., Badenes, C., Foster, A.R., Bravo, E., Williams, B.J., Maeda, K., Nobukawa, M., Eriksen, K.A., Brickhouse, N.S., Petre, R., Koyama, K.
    2015, The Astrophysical Journal Letter, 801, L31


  • 2015.2.14
    A paper accepted by the Astrophysical Journal Letters.
    "A Chandrasekhar Mass Progenitor for The Type Ia Supernova Remnant 3C397 from The Enhanced Abundances of Nickel And Manganese"
    Yamaguchi, H., Badenes, C., Foster, A.R., Bravo, E., Williams, B.J., Maeda, K., Nobukawa, M., Eriksen, K.A., Brickhouse, N.S., Petre, R., Koyama, K.


  • 2014.12.15
    A paper accepted by Astronomy and Astrophysics.
    "SN 2014J Gamma-Rays from The 56Ni Decay Chain"
    Diehl, R., Siegert, T., Hillebrandt, W., Krause, M., Greiner, J., Maeda, K., Roepke, F., Sim, S., Wang, W., Zhang, X.


  • 2014.12.11
    Proposals accepted by SubaruTelescope for S15A.
    "Environment around Supernovae through Time-Sequence HDS Observations" [2 nights, HDS]
    Maeda, K., Phillips, M.M., Folatelli, G., et al.

    "Connection between the Environment and Supernova Explosions" [2 nights, FOCAS]
    Maeda, K., Yamanaka, M., Folatelli, G., et al.

    "Revealing the Properties of Circumstellar Dust Shell around Type Ia SN 2014J [1.5 nights, COMICS]
    Nozawa, T., Maeda, K., Sakon, I., Tanaka, M.

    "Confirmation of A Companion Star Associated with SN 2011dh" [3.7 hour, service program - Rank A, FOCAS]
    Maeda, K., Folatelli, G., Kuncarayakti, H., et al.


  • 2014.12.1
    A paper accepted by Monthly Notices of the Royal Astronomical Society.
    "5.9 keV Mn K-Shell X-Ray Luminosity from The Decay of 55Fe in Type Ia Supernova Models"
    Seitenzahl, I.R., Summa, A., Krauss, F., Sim, S.A., Diehl, R., Elsaesser, D., Fink, M., Hillebrandt, W., Kromer, M., Maeda, K., Mannheim, K., Pakmor, R., Roepke, F.K., Ruiter, A.J., Taubenberger, S., Wilms, J.


  • 2014.11.29
    A public talk at Kyoto University.
    "The Origins of Elements"


  • 2014.11.16
    A paper accepted by Astronomy and Astrophysics.
    "Supernova Spectra below Strong Circum-Stellar Interaction"
    Leloudas, G., Hsiao, E.Y., Johansson, J., Maeda, K., Moriya, T.J., Nordin, J., Petrushevska, T., Silverman, J.M., Sollerman, J., Stritzinger, M.D., Taddia, F., Xu, D.


  • 2014.11.10
    An invited talk in an international conference, "The Many Facets of Supernova Remnants:?Cosmic Particle Accelerator and Environmental Impact", at Rikkyo University.
    "Supernova Remnants at Birth: Connecting SNe and SNRs"


  • 2014.11.6
    A paper accepted by The Astrophysical Journal.
    "The Broad-Lined Type Ic SN 2012ap and the Nature of Relativistic Supernovae Lacking a Gamma-ray Burst "
    Milisavljevic, D., Margutti, R., Parrent, J. T., Soderberg, A. M., Fesen, R. A., Mazzali, P.A., Maeda, K., Sanders, N. E., Cenko, S. B., Silverman, J. M., Filippenko, A. V., Kamble, A., Chakraborti, S., Drout, M. R., Kirshner, R. P., Pickering, T. E., Kawabata, K.S., Hattori, T., Hsiao, E. Y., Stritzinger, M. D., Marion, G. H., Vinko, J., Wheeler, J. C.


  • 2014.9.26
    A paper accepted by The Astrophysical Journal.
    "Optical and Near-Infrared Polarimetry of Highly Reddened Type Ia Supernova2014J: Peculiar Properties of Dust in M82"
    Kawabata, K.S., Akitaya, H., Yamanaka, M., Itoh, R., Maeda, K., et al. (49 authors)


  • 2014.9.16
    An invited talk in an international conference, "Type ia Supernovae: Progenitors, Explosions, and Cosmology", at University of Chicago.
    "Insight and Constraints on SN Ia Progenitor and Explosion"


  • 2014.8.29
    A cool result - direct detection of a candidate companion star for a nearby Supernova, using the Hubble Space Telescope. A paper accepted by The Astrophysical Journal Letter.
    "A Blue Point Source at The Location of Supernova 2011dh"
    Folatelli, G., Bersten, M.C., Benvenuto, O.G., Van Dyk, S.D., Kuncarayakti, H., Maeda, K., Nozawa, T., Nomoto, K., Hamuy, M., Qumby, R.M.


  • 2014.8.15
    A paper accepted by The Astrophysical Journal.
    "Signatures of A Companion Star in Type Ia Supernovae"
    Maeda, K., Kutsuna, M., Shigeyama, T.


  • 2014.8.1
    Press Release
    A paper accepted by Science.
    "Early 56Ni decay gamma-rays from SN 2014J suggest an unusual explosion"
    Diehl, R., Siegert, T., Hillebrandt, W., Grebenev, S.A., Greiner, J., Krause, M., Kromer, M., Maeda, K., Roekpe, F.K., Taubenberger, S.


  • 2014.7.25
    A short lecture (1 hour) at a summer school on "From quarks to supernovae".
    "Basics of Supernova Nucleosynthesis: To Understand Observational Data"
    Maeda, K.


  • 2014.7.4
    A paper accepted by The Astrophysical Journal.
    "Supernova 2010as: The Lowest-Velocity Member of A Family of Flat-Velocity Type IIb Supernovae"
    Folatelli, G., Bersten, M.C., Kuncarayakti, H., Olivares Estay, F., Anderson, J.P., Holmbo, S., Maeda, K., Morrell, N., Nomoto, K., Pignata, G., Stritzinger, M., Contreras, C., Forster, F., Hamuy, M., Phillips, M.M., Prieto, J.L., Valenti, S., Altenmuller, K., Greiner, J., Haislip, J.B., LaCluyze, A.P., Moore, J.P., Reichart, D.E.



  • 2014.6.29
    A paper accepted by The Astrophysical Journal Letters.
    "Constraining Physical Properties of Type IIn Supernovae through Rise Times and Peak Luminosities"
    Moriya, T., Maeda, K.


  • 2014.6.27
    A ToO proposal accepted by INTEGRAL.
    "Search for Early Radioactivities from SN Ia"
    Diehl, R., Hillebrandt, W., Kromer, M., Roepke, F., Sim, S., Isern, J., Lebrun, F., Matthieu, M., Maeda, K., Hoeflich, P.


  • 2014.6.24
    A proposal accepted by Hubble Space Telescope.
    "iPTF 13bvn: First Identification of The Progenitor of A Type Ib Supernova"
    Folatteli, G., Maeda, K., Kuncarayakti, H., Bersten, M.C., Benvenuto, O.G., Quimby, R., Nomoto, K., Pignata, G., Hamuy, M.


  • 2014.6.04
    Proposals accepted by SubaruTelescope.
    "Probing Circumstellar and Interstellar Environments through Supernova Light" [2 nights, HDS]
    Maeda, K., Phillips, M.M., Folatelli, G., et al.

    "NIR Spectroscopy of SN Ia 2014J in M82: Explosion Physics and Diversities" [0.5 night, IRCS-AO]
    Maeda, K., Motohara, K., Minowa, Y., et al.

    "Searching for Infrared Light-Echo from Type Ia Supernova 2014J" [1 night, COMICS]
    Nozawa, T., Maeda, K., Sakon, I., Tanaka, M.

    "Detailed Studies of Selected Envelope-stripped Core-collapse Supernovae" [1 night, FOCAS]
    Takaki, K., et al.


  • 2014.4.25
    Press Release
    A paper accepted by Science.
    "Detection of The Gravitational Lens Magnifying A Type Ia Supernova"
    Quimby, R.M., Oguri, M., More, A., More, S., Moriya, T.J., Werner, M.C., Tanaka, M., Folatelli, G., Bersten, M., Maeda, K., Nomoto, K.


  • 2014.4.20
    A paper accepted by The Astrophysical Journal.
    "Dust Production Factories in The Early Universe: Formation of Carbon Grains in Red-Supergiant Winds of Very Massive Population III Stars"
    Nozawa, T., Yoon, S.-C., Maeda, K., Kozasa, T., Nomoto, K., Langer, N.


  • 2014.3.27
    A ToO proposal accepted by Suzaku X-Ray Telescope.
    "Suzaku ToO Observation of Type Ia Supernova SN 2014J"
    Terada, Y., Maeda, K., Tamagawa, T., Bamba, A., Takahashi, T., Fukazawa, Y., Enoto, T., Katsuda, S.


  • 2014.2.28
    A paper accepted by The Astrophysical Journal.
    "Long-Lasting X-Ray Emission from Type IIb Supernova 2011dh and Mass-Loss History of The Yellow Supergiant Progenitor"
    Maeda, K., Katsuda, S., Bambda, A., Terada, Y, Fukazawa, Y.


  • 2014.2.26
    A proposal accepted by Suzaku X-Ray Telescope.
    "X-Ray Spectral Evolution of SN 2006jd and Fe-K emission: Circumstellar Environment and Ionization of Hot Plasma"
    Katsuda, S., Maeda, K., Bamba, A., Terada, Y., Fukazawa, Y., Kawabata, K., Ohno, M.


  • 2014.2.20
    A colloquium talk at Seoul National University.
    "Circumstellar Environments around Supernovae: A Multi-Frequency View"


  • 2014.2.19
    A lecture (1.5 hr x 2) at Seoul National University.
    "Supernova spectral formation, light curves, and diagnostics"


  • 2014.2.10
    An invited talk in an international conference, "IAS Princeton Workshop for Type Ia Supernovae", at Insitute for Advanced Study, Princeton.
    "Nebular Line Diagnostics on SN Ia Explosion Mechanism"


  • 2014.1.19
    A paper accepted by Monthly Notices of the Royal Astronomical Society.
    "Mass-loss Histories of Type IIn Supernova Progenitors within Decades before Their Explosion"
    Moriya, T.J., Maeda, K., Taddia, F., Sollerman, J., Blinnikov, S.I., Sorokina, E.I.


  • 2014.1.19
    A paper accepted by The Astrophysical Journal Letters.
    "Early-Phase Photometry and Spectroscopy of Transitional Type Ia SN 2012ht: Direct Constraint on The Rise Time"
    Yamanaka, M., Maeda, K., Kawabata, M., Tanaka, M., Takaki, K., Ueno, S., Matsumoto, K., Kawabata, K.S., Itoh, R., Moritani, Y., Akitaya, H., Arai, A., Honda, S., Nishiyama, K., Kabashima, F., Matsumoto, K., Nogami, D., Yoshida, M.


  • 2014.1.3
    A paper accepted by The Astrophysical Journal Letters.
    "Interaction between the Broad-Lined Type Ic Supernova 2012ap And Carriers of Diffuse Interstellar Bands"
    Milisavljevic, D., Margutti, R., Crabtree, K.N., Foster, J.B., Soderberg, A.M., Fesen, R.A., Parrent, J.T., Sanders, N.E., Drout, M.R., Kamble, A., Chakraborti, S., Pickering, T.E., Cenko, S.B., Silverman, J.M., Filippenko, A.V., Kirshner, R.P., Mazzali, P.A., Maeda, K., Marion, G.H.H., Vinko, J., Wheeler, J.C.


  • 2013.12.11
    A paper accepted by Monthly Notices of the Royal Astronomical Society.
    "Type Ib SN 1999dn as an example of the thoroughly mixed ejecta of Ib supernovae"
    Cano, Z., Maeda, K., Schulze, S.


  • 2013.12.10
    A proposal accepted by Subaru Telescope.
    "Constraining Progenitors of Type Ia Supernovae from Late-Time Spectra"
    Yamanaka, M., Maeda, K., et al.


  • 2013.11.27
    A paper accepted by The Astrophysical Journal.
    "SN 2005ip: A Luminous Type IIn Supernova Emerging from a Dense Circumstellar Medium as Revealed by X-Ray Observations"
    Katsuda, S., Maeda, K., Nozawa, T., Pooley, D., Immler, S.


  • 2013.11.19
    A public lecture at Kavli IPMU, U. Tokyo.
    "Dark Energy and Supernovae"


  • 2013.11.18
    A paper accepted by Astronomy and Astrophysics.
    "Optical and Near-IR Observations of the Faint and Fast 2008ha-like Supernova 2010ae"
    Stritzinger, M.D., Hsiao, E., Valenti, S., Taddia, F., Rivera-Thorsen, T.J., Leloudas, G., Maeda, K., Pastorello, A., Phillips, M.M, Pignata, G., Baron, E., Burns, C.R., Contreras, C., Folatelli, G., Hamuy, M., Hoeflich, P., Morrell, N., Prieto, J.L., Benetti, S., Campillay, A., Haislip, J.B., LaClutze, A.P., Moore, J.P., Reichart, D.E.


  • 2013.10.31
    An invited talk in an international conference, "Supernovae and Gamma-Ray Bursts in Kyoto 2013".
    "Supernovae in Optical (and Beyond)"


  • 2013.10.12
    A public lecture at Asahi Culture Center (Shinjuku).
    "Stellar Evolution and Supernova Explosions"


  • 2013.9.24-26
    Irregular lecture series @ Kyoto University.
    "Supernovae and Nucleosynthesis"


  • 2013.9.18
    A public talk at Kazan Observatory.
    "Supernovae and the Kyoto 3.8m telescope: Origins of the Moon, Earth, and Us"


  • 2013.9.1
    I have just moved in to Department of Astronomy @ Kyoto University.