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UV OPTICAL OBSERVATION OF TYPE Ia SUPERNOVA SN 2013dy IN NGC 7250
Zhai Q(翟倩)1,2,3; Zhang JJ(张居甲)1,3; Wang, Xiao-Feng4; Zhang, Tian-Meng5; Liu, Zheng-Wei6; Brown, Peter J.7; Huang, Fan4; Zhao, Xu-Lin4; Chang L(常亮)1,3; Yi WM(易卫敏)1,3; Wang CJ(王传军)1,3; Xin YX(辛玉新)1,3; Wang JG(王建国)1,3; Lun BL(伦宝利)1,3; Zhang XL(张西亮)1,3; Fan YF(范玉峰)1,3; Zheng XM(郑向明)1,3; Bai JM(白金明)1,3; Zhang, JJ
发表期刊ASTRONOMICAL JOURNAL
2016-05-01
卷号151期号:5
DOI10.3847/004-6256/151/5/125
产权排序第1完成单位
收录类别SCI
关键词Galaxies: Individual (Ngc 7250) Supernovae: General Supernovae: Individual (Sn 2013dy)
摘要Extensive and independent observations of Type Ia supernova (SN Ia) SN 2013dy are presented, including a larger set of UBVRI photometry and optical spectra from a few days before the peak brightness to 200 days after explosion, and ultraviolet (UV) photometry spanning from t approximate to -10 days to t approximate to +15 days refers to the B band maximum. The peak brightness (i.e., MB = 19.65 +/- 0.40 mag; Lmax = [1.95 +/- 0.55] x 10(43) erg s(-1)) and the mass of synthesized Ni-56 (i.e., M(Ni-56) = 0.90 +/- 0.26 M.) are calculated, and they conform to the expectation for an SN Ia with a slow decline rate (i.e., Delta m15(B) = 0.90 +/- 0.03 mag). However, the near infrared (NIR) brightness of this SN (i.e., M-H = 17.33 +/- 0.30 mag) is at least 1.0 mag fainter than usual. Besides, spectroscopy classification reveals that SN 2013dy resides on the border of "core normal" and "shallow silicon" subclasses in the Branch et al. classification scheme, or on the border of the "normal velocity" SNe Ia and 91T/99aa-like events in the Wang et al. system. These suggest that SN 2013dy is a slow-declining SN Ia located on the transitional region of nominal spectroscopic subclasses and might not be a typical normal sample of SNe Ia.
项目资助者Chinese academe of science (CAS) ; People's Government of Yunnan Province ; National Science Foundation of China (NSFC)(11403096, 11178003, 11325313, 11133006, 11361140347, 11203034, 11203078, 11573069, 11303085, 11203070) ; Major State Basic Research Development Program(2013CB834903) ; CAS(XDB09000000, KJZD-EW-M06) ; CAS ; Youth Innovation Promotion Association of the CAS ; Key Laboratory of Optical Astronomy, NAOC, CAS ; key Laboratory for Research in Galaxies and Cosmology of the CAS
语种英语
学科领域Astronomy & Astrophysics
文章类型Article
ISSN0004-6256
URL查看原文
归档日期2016-05-23
WOS记录号WOS:000375610400016
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]NEAR-INFRARED OBSERVATIONS ; HIGH-VELOCITY FEATURES ; WHITE-DWARF STAR ; SPECTROSCOPIC OBSERVATIONS ; ABSOLUTE MAGNITUDES ; HUBBLE CONSTANT ; DECLINE-RATE ; LIGHT-CURVE ; SPECTRA ; ULTRAVIOLET
引用统计
被引频次:6[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/9594
专题丽江天文观测站(南方基地)
中国科学院天体结构与演化重点实验室
通讯作者Zhang, JJ
作者单位1.Yunnan Observatories (YNAO), Chinese Academy of Sciences, Kunming 650011, China
2.University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing 100049, China
3.Key Laboratory for the Structure and Evolution of Celestial Objects, Chinese Academy of Sciences, Kunming 650011, China
4.Physics Department and Tsinghua Center for Astrophysics (THCA), Tsinghua University, Beijing 100084, China
5.National Astronomical Observatories of China (NAOC), Chinese Academy of Sciences, Beijing 100012, China
6.Argelander-Institut für Astronomie, Auf dem Hügel 71, D-53121, Bonn, Germany
7.George P. and Cynthia Woods Mitchell Institute for Fundamental Physics & Astronomy, Texas A. & M. University, Department of Physics and Astronomy, 4242 TAMU, College Station, TX 77843, USA
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Zhai Q,Zhang JJ,Wang, Xiao-Feng,et al. UV OPTICAL OBSERVATION OF TYPE Ia SUPERNOVA SN 2013dy IN NGC 7250[J]. ASTRONOMICAL JOURNAL,2016,151(5).
APA Zhai Q.,Zhang JJ.,Wang, Xiao-Feng.,Zhang, Tian-Meng.,Liu, Zheng-Wei.,...&Zhang, JJ.(2016).UV OPTICAL OBSERVATION OF TYPE Ia SUPERNOVA SN 2013dy IN NGC 7250.ASTRONOMICAL JOURNAL,151(5).
MLA Zhai Q,et al."UV OPTICAL OBSERVATION OF TYPE Ia SUPERNOVA SN 2013dy IN NGC 7250".ASTRONOMICAL JOURNAL 151.5(2016).
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