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A study in scarlet II. Spectroscopic properties of a sample of intermediate-luminosity red transients
Valerin, G.1; Pastorello, A.1; Mason, E.2; Reguitti, A.1,3; Benetti, S.1; Cai YZ(蔡永志)4,5,6; Chen, T.-W.7; Eappachen, D.8,9; Elias, N.1,10; Fraser, M.11; Gangopadhyay, A.12,13; Hsiao, E. Y.14; Howell, D. A.15,16; Inserra, C.17; Izzo, L.18,19; Jencson, J.20; Kankare, E.21; Kotak, R.21; Lundqvist, P.12,22; Mazzali, P. A.23,24; Misra, K.25; Pignata, G.26; Prentice, S. J.27; Sand, D. J.28; Smartt, S. J.29,30; Stritzinger, M. D.31; Tartaglia, L.32; Valenti, S.33; Anderson, J. P.34,35; Andrews, J. E.28; Amaro, R. C.28; Barbarino, C.12; Brennan, S.12; Bufano, F.36; Callis, E.12; Cappellaro, E.1; Dastidar, R.35,37; Valle, M. Della18,38; Fiore, A.1,39,40; Fulton, M. D.30; Galbany, L.10,41; Gromadzki, M.42; Heikkilä, T.21; Hiramatsu, D.14,15,43,44; Karamehmetoglu, E.12,31; Kuncarayakti, H.21,45; Leloudas, G.46; Limongi, M.47,48,49; Lundquist, M.28; McCully, C.15; Müller, T. E.10,41; Nicholl, M.30; Ochner, P.1,50; Gonzalez, E. Padilla15,16; Paraskeva, E.51; Pellegrino, C.52; Rau, A.53; Reichart, D. E.54; Reynolds, T. M.20,55,56; Roy, R.57; Salmaso, I.1; Shahbandeh, M.58,59; Singh, M.60; Sollerman, J.12; Turatto, M.1; Tomasella, L.1; Wyatt, S.28; Young, D. R.30
发表期刊ASTRONOMY & ASTROPHYSICS
2025-03-07
卷号695
DOI10.1051/0004-6361/202451735
产权排序第4完成单位
收录类别SCI ; EI
关键词circumstellar matter supernovae: general supernovae: individual: NGC 300 2008OT-1 supernovae: individual: AT 2019abn supernovae: individual: AT 2019ahd supernovae: individual: AT 2019udc
摘要Aims. We investigate the spectroscopic characteristics of intermediate-luminosity Red Transients (ILRTs), a class of elusive objects with peak luminosity between that of classical novae and standard supernovae. Our goal is to provide a stepping stone in the path to unveiling the physical origin of these events based on the analysis of the collected datasets. Methods. We present the extensive optical and near-infrared (NIR) spectroscopic monitoring of four ILRTs, namely NGC 300 2008OT-1, AT 2019abn, AT 2019ahd and AT 2019udc. First we focus on the evolution of the most prominent spectral features observed in the low-resolution spectra. We then present a more detailed description of the high-resolution spectrum collected for NGC 300 2008OT-1 with the Very Large Telescope equipped with UVES. Finally, we describe our analysis of late-time spectra of NGC 300 2008OT-1 and AT 2019ahd through comparisons with both synthetic and observed spectra. Results. Balmer and Ca lines dominate the optical spectra, revealing the presence of slowly moving circumstellar medium (CSM) around the objects. The line luminosity of H alpha, H beta, and Ca II NIR triplet presents a double peaked evolution with time, possibly indicative of interaction between fast ejecta and the slow CSM. The high-resolution spectrum of NGC 300 2008OT-1 reveals a complex circumstellar environment, with the transient being surrounded by a slow (similar to 30 km s(-1)) progenitor wind. At late epochs, optical spectra of NGC 300 2008OT-1 and AT 2019ahd show broad (similar to 2500 km s(-1)) emission features at similar to 6170 & Aring; and similar to 7000 & Aring; which are unprecedented for ILRTs. We find that these lines originate most likely from the blending of several narrow lines, possibly of iron-peak elements.
资助项目PRIN-INAF 2022 Shedding light on the nature of gap transients: from the observations to the models; GRAWITA Large Program Grant; National Natural Science Foundation of China (NSFC)[12303054]; Yunnan Fundamental Research Projects[202401AU070063]; International Centre of Supernovae, Yunnan Key Laboratory[202302AN360001]; Spanish Ministerio de Ciencia e Innovacion (MCIN); Agencia Estatal de Investigacion (AEI); European Social Fund (ESF); ANID, Millennium Science Initiative[ICN12_009]; European Research Council (ERC) under the European Union[948381]; Heising-Simons Foundation; DFG[HA 1850/28-1]; Academy of Finland[324504]; Academy of Finland[328898]; Research Council of Finland[340613]; Instrument Centre for Danish Astrophysics (IDA); Finnish Centre for Astronomy with ESO (FINCA) via Academy of Finland[306531]; NSF[2108032]; NSF[2308181]; NSF[AST-1911225]; NSF[AST-1911151]; Heising-Simons Foundation[2020-1864]; Research Council of Finland[324504]; Research Council of Finland[328898]; Research Council of Finland[353019]; NASA SWIFT grant[80NSSC19K1639]; UK Science and Technology Facilities Council; ESO program[1103.D-0328]; ESO program[106.216C]; European Union
项目资助者PRIN-INAF 2022 Shedding light on the nature of gap transients: from the observations to the models ; GRAWITA Large Program Grant ; National Natural Science Foundation of China (NSFC)[12303054] ; Yunnan Fundamental Research Projects[202401AU070063] ; International Centre of Supernovae, Yunnan Key Laboratory[202302AN360001] ; Spanish Ministerio de Ciencia e Innovacion (MCIN) ; Agencia Estatal de Investigacion (AEI) ; European Social Fund (ESF) ; ANID, Millennium Science Initiative[ICN12_009] ; European Research Council (ERC) under the European Union[948381] ; Heising-Simons Foundation ; DFG[HA 1850/28-1] ; Academy of Finland[324504, 328898] ; Research Council of Finland[340613] ; Instrument Centre for Danish Astrophysics (IDA) ; Finnish Centre for Astronomy with ESO (FINCA) via Academy of Finland[306531] ; NSF[2108032, 2308181, AST-1911225, AST-1911151] ; Heising-Simons Foundation[2020-1864] ; Research Council of Finland[324504, 328898, 353019] ; NASA SWIFT grant[80NSSC19K1639] ; UK Science and Technology Facilities Council ; ESO program[1103.D-0328, 106.216C] ; European Union[730890] ; [AST-1821987] ; [1813466] ; [1908972] ; [20201864]
语种英语
学科领域天文学 ; 恒星与银河系
文章类型Article
出版者EDP SCIENCES S A
出版地17, AVE DU HOGGAR, PA COURTABOEUF, BP 112, F-91944 LES ULIS CEDEX A, FRANCE
ISSN0004-6361
URL查看原文
WOS记录号WOS:001439267100017
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]ELECTRON-CAPTURE SUPERNOVAE ; NGC 300 ; OPTICAL TRANSIENT ; SPECTRAL EVOLUTION ; SN 2008S ; CANDIDATE ; MODELS ; NOVAE ; PROBE ; LINE
EI入藏号20251118046498
EI主题词Supernovae
EI分类号1301.1.2 Physical Properties of Gases, Liquids and Solids - 1302.1.2 Extraterrestrial Physics and Stellar Phenomena - 707 Illuminating Engineering - 741 Light, Optics and Optical Devices - 741.1 Light/Optics - 741.3 Optical Devices and Systems
引用统计
被引频次：1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
版本出版稿
条目标识符http://ir.ynao.ac.cn/handle/114a53/28217
专题南方基地
中国科学院天体结构与演化重点实验室
作者单位1.INAF – Osservatorio Astronomico di Padova, Vicolo dell’Osservatorio 5, I-35122 Padova, Italy;
2.INAF – OATS, Via G.B. Tiepolo 11, 34143 Trieste, Italy;
3.INAF – Osservatorio Astronomico di Brera, Via E. Bianchi 46, 23807 Merate (LC), Italy;
4.Yunnan Observatories, Chinese Academy of Sciences, Kunming 650216, P.R. China;
5.International Centre of Supernovae, Yunnan Key Laboratory, Kunming 650216, P.R. China;
6.Key Laboratory for the Structure and Evolution of Celestial Objects, Chinese Academy of Sciences, Kunming 650216, P.R. China;
7.Graduate Institute of Astronomy, National Central University, 300 Jhongda Road, 32001 Jhongli, Taiwan;
8.SRON, Netherlands Institute for Space Research, Niels Bohrweg 4, 2333 CA Leiden, The Netherlands;
9.Department of Astrophysics/IMAPP, Radboud University Nijmegen, P.O. Box 9010 6500 GL Nijmegen, The Netherlands;
10.Institute of Space Sciences (ICE, CSIC), Campus UAB, Carrer de Can Magrans s/n, E-08193 Barcelona, Spain;
11.School of Physics, O’Brien Centre for Science North, University College Dublin, Belfield Dublin 4, Ireland;
12.The Oskar Klein Centre, Department of Astronomy, Stockholm University, AlbaNova, SE-10691 Stockholm, Sweden;
13.Hiroshima Astrophysical Science Center, Hiroshima University, Hiroshima, Japan;
14.Department of Physics, Florida State University, 77 Chieftan Way, Tallahassee, FL 32306, USA;
15.Las Cumbres Observatory, 6740 Cortona Dr. Suite 102, Goleta, CA 93117, USA;
16.Department of Physics, University of California, Santa Barbara, CA 93106, USA;
17.Cardiff Hub for Astrophysics Research and Technology, School of Physics & Astronomy, Cardiff University, Queens Buildings, The Parade, Cardiff CF24 3AA, UK;
18.INAF, Osservatorio Astronomico di Capodimonte, Salita Moiariello 16, I-80131 Napoli, Italy;
19.DARK, Niels Bohr Institute, University of Copenhagen, Jagtvej 128, 2200 Copenhagen, Denmark;
20.Caltech/IPAC, Mailcode 100-22, Pasadena, CA 91125, USA;
21.Tuorla Observatory, Department of Physics and Astronomy, University of Turku, 20014 Turku, Finland;
22.Department of Astronomy, AlbaNova University Center, Stockholm University, SE-10691 Stockholm, Sweden;
23.Astrophysics Research Institute, Liverpool John Moores University, IC2, Liverpool Science Park, 146 Brownlow Hill, Liverpool L3 5RF, UK;
24.Max-Planck-Institut für Astrophysik, Karl-Schwarzschild Str. 1, D-85748 Garching, Germany;
25.Aryabhatta Research Institute of Observational Sciences (ARIES), Manora Peak, Nainital 263001, India;
26.Instituto de Alta Investigación, Universidad de Tarapacá, Casilla 7D, Arica, Chile;
27.School of Physics, Trinity College Dublin, College Green, Dublin 2, Ireland;
28.Steward Observatory, University of Arizona, 933 North Cherry Avenue, Tucson, AZ 85721-0065, USA;
29.Department of Physics, University of Oxford, Keble Road, Oxford OX1 3RH, UK;
30.Astrophysics Research Centre, School of Mathematics and Physics, Queens University Belfast Belfast BT7 1NN, UK;
31.Department of Physics and Astronomy, Aarhus University, Ny Munkegade 120, DK-8000 Aarhus C, Denmark;
32.INAF – Osservatorio Astronomico d’Abruzzo, Via M. Maggini snc, Teramo I-64100, Italy;
33.Department of Physics, University of California, Davis, CA 95616, USA;
34.European Southern Observatory, Alonso de Córdova 3107, Casilla 19, Santiago, Chile;
35.Millennium Institute of Astrophysics, Nuncio Monsenor Sótero Sanz 100, Providencia, 8320000 Santiago, Chile;
36.INAF-Osservatorio Astrofisico di Catania, Via Santa Sofia 78, I-95123 Catania, Italy;
37.Instituto de Astrofísica, Universidad Andres Bello, Fernandez Concha 700, Las Condes, Santiago RM, Chile;
38.ICRANet, Piazza della Repubblica 10, I-65122 Pescara, Italy;
39.Institut für Theoretische Physik, Goethe Universität, Max-von-Laue-Str. 1, 60438 Frankfurt am Main, Germany;
40.INFN-TIFPA, Trento Institute for Fundamental Physics and Applications, Via Sommarive 14, I-38123 Trento, Italy;
41.Institut d’Estudis Espacials de Catalunya (IEEC), E-08034 Barcelona, Spain;
42.Astronomical Observatory, University of Warsaw, Al. Ujazdowskie 4, 00-478 Warszawa, Poland;
43.Center for Astrophysics, Harvard & Smithsonian, Cambridge, Massachusetts MA 02138, US;
44.The NSF AI Institute for Artificial Intelligence and Fundamental Interactions, 77 Massachusetts Avenue, Cambridge, USA;
45.Finnish Centre for Astronomy with ESO (FINCA), University of Turku, Väisäläntie 20, 21500 Piikkiö, Finland;
46.DTU Space, National Space Institute, Technical University of Denmark, Elektrovej 327, 2800 Kongens Lyngby, Denmark;
47.Istituto Nazionale di Astrofisica – Osservatorio Astronomico di Roma, Via Frascati 33, I-00040 Monteporzio Catone, Italy;
48.Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, The University of Tokyo, Kashiwa, Chiba 277-8583, Japan;
49.INFN, Sezione di Perugia, Via A. Pascoli s/n, I-06125 Perugia, Italy;
50.Dipartimento di Fisica e Astronomia “G. Galilei”, Università degli studi di Padova Vicolo dell’Osservatorio 3, I-35122 Padova, Italy;
51.IAASARS, National Observatory of Athens, Metaxa & Vas. Pavlou St., 15236 Penteli, Athens, Greece;
52.Department of Astronomy, University of Virginia, Charlottesville, VA 22904, USA;
53.Max-Planck-Institut für Extraterrestrische Physik, Giessenbachstraße 1, 85748 Garching, Germany;
54.Department of Physics and Astronomy, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA;
55.Cosmic Dawn Center (DAWN), Rådmandsgade 64, 2200 Copenhagen N., Denmark;
56.Niels Bohr Institute, University of Copenhagen, Jagtvej 128, 2200 København N, Denmark;
57.Manipal Centre for Natural Sciences, Manipal Academy of Higher Education, Manipal, 576104 Karnataka, India;
58.Department of Physics and Astronomy, Johns Hopkins University, Baltimore, MD 21218, USA;
59.Space Telescope Science Institute, Baltimore, MD, USA;
60.Indian Institute Of Astrophysics, 100 Feet Rd, Santhosapuram, 2nd Block, Koramangala, Bengaluru, Karnataka 560034, India
推荐引用方式
GB/T 7714		 Valerin, G.,Pastorello, A.,Mason, E.,et al. A study in scarlet II. Spectroscopic properties of a sample of intermediate-luminosity red transients[J]. ASTRONOMY & ASTROPHYSICS,2025,695.
APA Valerin, G..,Pastorello, A..,Mason, E..,Reguitti, A..,Benetti, S..,...&Young, D. R..(2025).A study in scarlet II. Spectroscopic properties of a sample of intermediate-luminosity red transients.ASTRONOMY & ASTROPHYSICS,695.
MLA Valerin, G.,et al."A study in scarlet II. Spectroscopic properties of a sample of intermediate-luminosity red transients".ASTRONOMY & ASTROPHYSICS 695(2025).
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