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20182026
most citedLuminous Red Novae: Stellar Mergers or Giant Eruptions?

129 citations · 1k across the 87 of their papers we have counts for

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51 papers · 1 filter

astro-ph.HE2026

Early NIR echo and the time variable mass loss history of Type IIn SN 2024kgi

Naveen Dukiya, Kuntal Misra, Andrea Pastorello +30

We present a comprehensive analysis of the long-term photometric and spectroscopic monitoring campaign of the Type IIn Supernova (SN) 2024kgi. The SN reaches at peak an -band ab…

astro-ph.HE2026

Core-collapse supernovae 2022prr, 2023ucy, and 2024ljc in the luminous infrared galaxy NGC 6745

K. K. Matilainen, E. Kankare, T. Nagao +19

The core-collapse supernovae (CCSNe) 2022prr, 2023ucy, and 2024ljc exploded within the central regions of the nearby luminous infrared galaxy (LIRG) NGC6745. We present our follow-…

astro-ph.HE2026

Wild behaviour near the finish line: the Type Ibn SN 2020able and its stratified environment

L. Tartaglia, E. Cappellaro, G. Valerin +29

We present spectrophotometric observations of the Type Ibn supernova SN~2020able, along with a comprehensive analysis and modelling of its evolution. The transient occurred in SDSS…

astro-ph.HE2026

SN 2022erq: A Superluminous Thermonuclear Supernova with Escalating Preexplosion Mass Loss

Qian Zhai, Jujia Zhang, Xiaofeng Wang +51

We present a photometric and spectroscopic study of the superluminous Type Ia supernova SN 2022erq. Its early spectra, dominated by iron-group elements with weak intermediate-mass…

astro-ph.HE2026

Failed jet breakout in the metal-poor broad-lined type Ic supernova 2026gzf

Antonio Martin-Carrillo, Christina C. Thöne, James K. Leung +103

A long-standing question in the death of massive stars is the role of relativistic jets. While many gamma-ray bursts and some fast X-ray transients seem to be associated with broad…

astro-ph.HE2026

The transitional Type Ibn/IIn SN 2022pda, with pre-explosion outbursts and a double-peaked light curve

Y. -Z. Cai, A. Pastorello, R. Chiba +65

We report the results of a photometric and spectroscopic follow-up campaign of the unusual interacting supernova (SN) 2022pda. Precursor variability lasting days is obse…

astro-ph.HE2026

SN 2023axu: A Type IIP Supernova Interacted with a Low-Density Stellar Wind

Zeyi Wang, Jujia Zhang, Qian Zhai +8

We present photometric and spectroscopic observations of Type IIP supernova SN 2023axu, spanning 400 d after the explosion. Its light curve is typical of normal SNe IIP, with…

astro-ph.HE2026

AT 2024wpp: the most luminous fast-evolving optical transient linked to the merger explosion of a black-hole binary

Jialian Liu, Bao Wang, Xiaofeng Wang +48

Fast blue optical transients (FBOTs) represent one of the most exotic astrophysical transients, exhibiting unusually strong emission across X-ray, optical, and radio wavelengths. T…

astro-ph.HE2026

A Faint Progenitor System for the Faint Supernova 2024vjm

Erez A. Zimmerman, Avishay Gal-Yam, Paul J. Groot +68

Type Ia Supernovae (SNe Ia) are well known for their role as standardizable cosmological candles. Their uniformity is credited to their single origin as thermonuclear explosions of…

astro-ph.HE2026

SN 2024igg: A Super-Chandrasekhar/03fg-like SN exhibiting C II-dominated spectra after explosion

Jialian Liu, Xiaofeng Wang, Liyang Chen +14

We present and analyze photometric and spectroscopic observations of the Type Ia supernova (SN Ia) 2024igg, another ``super-Chandrasekhar'' (or 03fg-like) SN whose strong C II $\la…

astro-ph.HE2026

The nearby He-rich superluminous supernova SN 2021bnw during photospheric phases

A. Fiore, A. Kozyreva, L. Yan +40

Aim. We present and interpret the data of the nearby hydrogen-deficient but helium-rich superluminous supernova SN 2021bnw which reached a magnitude of -20.7 at maximum luminosity…

astro-ph.HE2025★ 7 cited

SN 2022acko: a low-luminosity SNe IIP with signs of early circumstellar interaction

Lin Han, Zhang Jujia, Wang Xiaofeng +13

We present optical-ultraviolet photometry and optical spectra for the type II supernova (SN) 2022acko. The spectroscopic observations span phases from 1.5 to 60 days…

astro-ph.HE2025★ 1 cited

Normal or transitional? The evolution and properties of two type Ia supernovae in the Virgo cluster

L. Izzo, C. Gall, N. Khetan +47

Type Ia supernovae (SNe Ia) are among the most precise cosmological distance indicators used to study the expansion history of the Universe. The vast increase of SN Ia data due to…

astro-ph.HE2025★ 2 cited

The Type Ia Supernova 2021hem: A 2003fg-like Event in an Apparently Hostless Environment

Subhash Bose, M. D. Stritzinger, A. Malmgaard +25

We report observations of Type Ia SN 2021hem, located in an apparently hostless environment. With a peak absolute B-band magnitude of -19.96 mag, and a lack of secondary maximum in…

astro-ph.HE2025★ 2 cited

SN 2024iss: A Double-peaked Type IIb Supernova with Evidence of Circumstellar Interaction

Liyang Chen, Xiaofeng Wang, Qinyu Wu +54

We present optical, ultraviolet, and X-ray observations of supernova (SN) 2024iss, a Type IIb SN that shows a prominent double-peaked light curve. We modeled the first peak with a…

astro-ph.HE2025

SN 2024cld: unveiling the complex mass-loss histories of evolved supergiant progenitors to core collapse supernovae

T. L. Killestein, M. Pursiainen, R. Kotak +52

Pre-explosion mass loss in supernova (SN) progenitors is a crucial unknown factor in stellar evolution, yet has been illuminated recently by the diverse zoo of interacting transien…

astro-ph.HE2025

GRB 240825A: Early Reverse Shock and Its Physical Implications

Chao Wu, Yun Wang, Hua-Li Li +84

Early multiwavelength observations offer crucial insights into the nature of the relativistic jets responsible for gamma-ray bursts and their interaction with the surrounding mediu…

astro-ph.HE2025

SN 2024hpj: A perspective on SN 2009ip-like events

I. Salmaso, A. Pastorello, E. Borsato +25

Supernovae (SNe) IIn are terminal explosions of massive stars that are surrounded by a dense circumstellar medium (CSM). Among SNe IIn, a notable subset is the SN 2009ip-like, whic…

astro-ph.HE2025★ 1 cited

SN 2024gy: Multi-epoch Spectroscopic Features Suggestive of Delayed Detonation in a Type Ia Supernova

Liping Li, Zhenyu Wang, Jialian Liu +28

We present photometric and spectroscopic observations of SN 2024gy, a Type Ia supernova (SN Ia) exhibiting high-velocity features (HVFs) in its early-time spectra. This SN reaches…

astro-ph.HE2025★ 8 cited

Massive stars exploding in a He-rich circumstellar medium. XI. Diverse evolution of five Ibn SNe 2020nxt, 2020taz, 2021bbv, 2023utc and 2024aej

Z. -Y. Wang, A. Pastorello, Y. -Z. Cai +53

We present the photometric and spectroscopic analysis of five Type Ibn supernovae (SNe): SN 2020nxt, SN 2020taz, SN 2021bbv, SN 2023utc, and SN 2024aej. These events share key obse…

astro-ph.HE2025★ 4 cited

Luminous, rapidly declining supernovae as stripped transitional objects in low metallicity environments: the case of SN 2022lxg

P. Charalampopoulos, R. Kotak, J. Sollerman +24

We present an analysis of the optical and near-infrared properties of SN 2022lxg, a bright ( mag) and rapidly evolving SN. It was discovered withi…

astro-ph.HE2025★ 13 cited

SN 2024abfo: a partially stripped SN II from a yellow supergiant

A. Reguitti, A. Pastorello, S. J. Smartt +35

We present photometric and spectroscopic data of the type IIb supernova (SN) 2024abfo in NGC 1493 (at 11 Mpc). The ATLAS survey discovered the object just a few hours after the exp…

astro-ph.HE2025

Optical and Near-infrared Observations of SN 2023ixf for over 600 days after the Explosion

Gaici Li, Xiaofeng Wang, Yi Yang +37

Context.We present a comprehensive photometric and spectroscopic study of the nearby Type II supernova (SN) 2023ixf, with our extensive observations spanning the phases from ~3 to…

astro-ph.HE2025★ 3 cited

Observational diversity of bright long-lived Type II supernovae

T. Nagao, T. M. Reynolds, H. Kuncarayakti +21

In various types of supernovae (SNe), strong interaction between the SN ejecta and circumstellar material (CSM) has been reported. This raises questions on their progenitors and ma…