Výsledky vyhledávání

SN 2018hna: Adding a piece to the puzzles of the explosion of blue supergiants

Autor: Danfeng Xiang, Xiaofeng Wang, Xinghan Zhang, Hanna Sai, Jujia Zhang, Thomas G Brink, Alexei V Filippenko, Jun Mo, Tianmeng Zhang, Zhihao Chen, Luc Dessart, Zhitong Li, Shengyu Yan, Sergei I Blinnikov, Liming Rui, E Baron, J M DerKacy

Publikováno v: Monthly Notices of the Royal Astronomical Society. 520:2965-2982

We present extensive optical/ultraviolet observations and modelling analysis for the nearby SN 1987A-like peculiar Type II supernova (SN) 2018hna. Both photometry and spectroscopy covered phases extending to $>$500 days after the explosion, making it

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::12fbcb7ac943e2187d26cb684257f948
https://doi.org/10.1093/mnras/stad340

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SN 2015bf: A fast declining type II supernova with flash-ionized signatures

Publikováno v: Monthly Notices of the Royal Astronomical Society. 505:4890-4905

We present optical and ultraviolet photometry, as well as optical spectra, for the type II supernova (SN) 2015bf. Our observations cover the phases from ∼2 to ∼200 d after explosion. The first spectrum is characterized by a blue continuum with a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::db23654d4d988bd6f2e30ea59a1f8926
https://doi.org/10.1093/mnras/stab1550

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Optical and ultraviolet monitoring of the black hole X-ray binary MAXI J1820+070/ASASSN-18ey for 18 months

Publikováno v: Monthly Notices of the Royal Astronomical Society. 504:4226-4241

MAXI J1820+070 is a low-mass black hole X-ray binary system with high luminosity in both optical and X-ray bands during the outburst periods. We present extensive photometry in X-ray, ultraviolet, and optical bands, as well as densely-cadenced optica

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::105e8dc5e4ae992bb2bf4ab6ff4e26b5
https://doi.org/10.1093/mnras/stab1162

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The optical properties of three Type II supernovae: 2014cx, 2014cy, and 2015cz

Publikováno v: Digital.CSIC. Repositorio Institucional del CSIC
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We present the photometric and spectroscopic analysis of three Type II SNe: 2014cx, 2014cy and 2015cz. SN 2014cx is a conventional Type IIP with a shallow slope (0.2 mag/50d) and an atypical short plateau ($\sim$86 d). SNe 2014cy and 2015cz show rela

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a70fbaddd4f7e1b396b5238540031cd9
https://doi.org/10.1093/mnras/stab831

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Optical and spectral observations and hydrodynamic modelling of type IIb supernova 2017gpn

Autor: Xiaofeng Wang, A. S. Moskvitin, Danfeng Xiang, Han Lin, Sergei Blinnikov, Elena A. Balakina, Liming Rui, Maria Pruzhinskaya, Huijuan Wang

Publikováno v: Monthly Notices of the Royal Astronomical Society. 501:5797-5810

In this work we present the photometric and spectroscopic observations of Type IIb Supernova 2017gpn. This supernova was discovered in the error-box of LIGO/Virgo G299232 gravitational-wave event. We obtained the light curves in B and R passbands and

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f2d5c1209e36fd8c4f0fe61465d15530
https://doi.org/10.1093/mnras/staa3383

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SN 2018zd: an unusual stellar explosion as part of the diverse Type II Supernova landscape

Publikováno v: Monthly Notices of the Royal Astronomical Society

We present extensive observations of SN 2018zd covering the first $\sim450$\,d after the explosion. This SN shows a possible shock-breakout signal $\sim3.6$\,hr after the explosion in the unfiltered light curve, and prominent flash-ionisation spectra

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ae8181bb915abf5f087d907370272bf7
https://doi.org/10.1093/mnras/staa2273

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Probing the final-stage progenitor evolution for Type IIP Supernova 2017eaw in NGC 6946

Autor: Danfeng Xiang, Justyn R. Maund, Xiaofeng Wang, Jujia Zhang, Jun Mo, Tianmeng Zhang, Lifan Wang, Liming Rui, Avishy Gal-Yam

Publikováno v: Monthly Notices of the Royal Astronomical Society. 485:1990-2000

We presented a detailed analysis of progenitor properties of type IIP supernova 2017eaw in NGC 6946, based on the pre-explosion images and early-time observations obtained immediately after the explosion. An unusually red star, with M$_{F814W}$ = $-$

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d2e7ba3de1b8bcea4589b3ae625304e0
https://doi.org/10.1093/mnras/stz503

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SN 2018hti: a nearby superluminous supernova discovered in a metal-poor galaxy

SN 2018hti is a Type I superluminous supernova (SLSN~I) with an absolute $g$-band magnitude of $-22.2$ at maximum brightness, discovered in a metal-poor galaxy at a redshift of 0.0612. We present extensive photometric and spectroscopic observations o

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7140a8c252dd0a07f919c9c93882c379

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SN 2014J in M82: new insights on the spectral diversity of Type Ia supernovae

Publikováno v: Monthly Notices of the Royal Astronomical Society. 481:878-893

We present extensive spectroscopic observations for one of the closest type Ia supernovae (SNe Ia), SN 2014J discovered in M82, ranging from 10.4 days before to 473.2 days after B-band maximum light. The diffuse interstellar band (DIB) features detec

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::124bb7219e3f22f51d9555e79dacec2d
https://doi.org/10.1093/mnras/sty2289

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