首页> 外文期刊>Science >PTF 11kx: A Type la Supernova with a Symbiotic Nova Progenitor
【24h】

PTF 11kx: A Type la Supernova with a Symbiotic Nova Progenitor

机译:PTF 11kx:带有共生新星祖细胞的la型超新星

获取原文
获取原文并翻译 | 示例
           

摘要

There is a consensus that type la supernovae (SNe la) arise from the thermonuclear explosion of white dwarf stars that accrete matter from a binary companion. However, direct observation of SN la progenitors is lacking, and the precise nature of the binary companion remains uncertain. A temporal series of high-resolution optical spectra of the SN la PTF 11kx reveals a complex circumstellar environment that provides an unprecedentedly detailed view of the progenitor system. Multiple shells of circumstellar material are detected, and the SN ejecta are seen to interact with circumstellar material starting 59 days after the explosion. These features are best described by a symbiotic nova progenitor, similar to RS Ophiuchi.
机译:人们普遍认为,la超新星(SNe la)是由白矮星的热核爆炸引起的,该白矮星从双星伴生物质。然而,缺乏对SN 1a祖细胞的直接观察,并且二元伴星的精确性质仍然不确定。 SN 1a PTF 11kx的高分辨率光谱的时间序列揭示了复杂的星际环境,该环境提供了祖细胞系统前所未有的详细视图。爆炸后59天开始,探测到了多个星际物质壳,并且发现SN射出物与星际物质相互作用。这些特征最好由共生新星祖先来描述,类似于RS Ophiuchi。

著录项

  • 来源
    《Science》 |2012年第6097期|p.942-945|共4页
  • 作者单位

    Las Cumbres Observatory Global Telescope Network, 6740 Cortona Drive, Suite 102, Goleta, CA 93117, USA,Department of Physics, University of California, Santa Barbara, Broida Hall, Mail Code 9530, Santa Barbara, CA 93106-9530, USA;

    Las Cumbres Observatory Global Telescope Network, 6740 Cortona Drive, Suite 102, Goleta, CA 93117, USA,Department of Physics, University of California, Santa Barbara, Broida Hall, Mail Code 9530, Santa Barbara, CA 93106-9530, USA;

    Department of Astronomy, University of California, Berkeley, CA 94720-3411, USA;

    Department of Astronomy, University of California, Berkeley, CA 94720-3411, USA;

    Department of Astronomy, University of California, Berkeley, CA 94720-3411, USA,Lawrence Berkeley National Laboratory, Mail Stop 50B-4206, 1 Cyclotron Road, Berkeley, CA 94720, USA;

    Department of Physics (Astrophysics), University of Oxford, Keble Road, Oxford 0X1 3RH, UK;

    Department of Particle Physics and Astrophysics, Weizmann Institute of Science, Rehovot 76100, Israel;

    Department of Physics, University of California, Santa Barbara, Broida Hall, Mail Code 9530, Santa Barbara, CA 93106-9530, USA,Kavli Institute for Theoretical Physics, University of California, Santa Barbara, CA 93106, USA;

    University of California Observatories, Lick Observatory, University of California, Santa Cruz, CA 95064, USA;

    McDonald Observatory, University of Texas at Austin, Austin, TX 78712, USA;

    Department of Astronomy, University of California, Berkeley, CA 94720-3411, USA;

    Racah Institute of Physics, Hebrew University of Jerusalem, 91904, Israel;

    Cahill Center for Astrophysics, California Institute of Technology, Pasadena, CA 91125, USA;

    Lawrence Berkeley National Laboratory, Mail Stop 50B-4206, 1 Cyclotron Road, Berkeley, CA 94720, USA,Carnegie Institution of Washington,Las Campanas Observatory, Colina El Pino, Casilla 601, Chile;

    Cahill Center for Astrophysics, California Institute of Technology, Pasadena, CA 91125, USA,Observatories of the Carnegie Institution for 5cience, 813 Santa Barbara Street,Pasadena, CA 91101, USA;

    Center for Astrophysics and Space Sciences, University of California San Diego, La ]olla, CA 92093-0424, USA;

    Department of Physics (Astrophysics), University of Oxford, Keble Road, Oxford 0X1 3RH, UK;

    Department of Astronomy, University of California, Berkeley, CA 94720-3411, USA;

    Department of Physics, University of California, Santa Barbara, Broida Hall, Mail Code 9530, Santa Barbara, CA 93106-9530, USA;

    Department of Physics (Astrophysics), University of Oxford, Keble Road, Oxford 0X1 3RH, UK;

    Las Cumbres Observatory Global Telescope Network, 6740 Cortona Drive, Suite 102, Goleta, CA 93117, USA,Department of Physics and Astronomy, Dartmouth College, Hanover, NH, USA;

    Department of Physics (Astrophysics), University of Oxford, Keble Road, Oxford 0X1 3RH, UK;

    Institute for the Physics and Mathematics of the Universe, University of Tokyo, 5-1-5 Kashiwanoha, Kashiwa-shi, Chiba 277-8583, Japan;

    Minerva Fellow, Max Planck Institute for Astrophysics, Karl Schwarzschild Strasse 1, D-85741 Garching, Germany;

    Lawrence Berkeley National Laboratory, Mail Stop 50B-4206, 1 Cyclotron Road, Berkeley, CA 94720, USA;

    Center for Astrophysics and Space Sciences, University of California San Diego, La ]olla, CA 92093-0424, USA;

    Department of Particle Physics and Astrophysics, Weizmann Institute of Science, Rehovot 76100, Israel;

    Department of Astronomy, University of California, Berkeley, CA 94720-3411, USA;

    Benoziyo Center for Astrophysics, Weizmann Institute of Science, Rehovot 76100, Israel;

    Department of Physics (Astrophysics), University of Oxford, Keble Road, Oxford 0X1 3RH, UK;

    Cahill Center for Astrophysics, California Institute of Technology, Pasadena, CA 91125, USA;

    University of Toronto, 50 St. George Street Toronto M5S 3H4, Ontario, Canada;

    Benoziyo Center for Astrophysics, Weizmann Institute of Science, Rehovot 76100, Israel;

    Department of Earth,Atmospheric, and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, USA;

    School of Physics and Astronomy, Tel-Aviv University, Tel-Aviv 69978, Israel;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱:kefu@zhangqiaokeyan.com

京公网安备:11010802029741号 ICP备案号:京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有
  • 客服微信

  • 服务号