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Št. zadetkov: 7
Eruptive mass loss less than a year before the explosion of superluminous supernovae
A. Gkini, C. Fransson, Ragnhild Lunnan, S. Schulze, F. Poidevin, N. Sarin, R. Könyves-Tóth, Jesper Sollerman, Mateusz Bronikowski, T. Petrushevska
Izvirni znanstveni članek
Oznake: eruptive mass;loss;supernovae;
We present photometric and spectroscopic observations of SN 2020xga and SN 2022xgc, two hydrogen-poor superluminous supernovae (SLSNe-I) at z = 0.4296 and z = 0.3103, respectively, which show an additional set of broad Mg II absorption lines, blueshifted by a few thousands kilometer second−1 with re ...
Leto: 2025 Vir: Repozitorij Univerze v Novi Gorici (RUNG)
Observational diversity of bright long-lived Type II supernovae
T. Nagao, T. M. Reynolds, H. Kuncarayakti, R. Cartier, S. Mattila, K. Maeda, Jesper Sollerman, P. J. Pessi, J. P. Anderson, T. Petrushevska
Izvirni znanstveni članek
Oznake: astronomy;techniques;supernovae;
In various types of supernovae (SNe), strong interaction between the SN ejecta and circumstellar material (CSM) has been reported. This raises questions about their progenitors and mass-loss processes shortly before the explosion. Recently, the bright long-lived Type II SN 2021irp was proposed to be ...
Leto: 2025 Vir: Repozitorij Univerze v Novi Gorici (RUNG)
ǂA ǂpopulation of Type Ibc supernovae with massive progenitors
E. Karamehmetoglu, Jesper Sollerman, F. Taddia, C. Barbarino, U. Feindt, U. C. Fremling, A. Gal-Yam, M. M. Kasliwal, T. Petrushevska, S. Schulze
Izvirni znanstveni članek
Oznake: astronomy;supernova progenitors;
ǂA ǂpopulation of Type Ibc supernovae with massive progenitors
Leto: 2023 Vir: Repozitorij Univerze v Novi Gorici (RUNG)
Light curve and spectral properties of Type II supernovae from the ATLAS survey
K. Ertini, J. P. Anderson, G. Folatelli, S. González-Gaitán, C. P. Gutiérrez, Jesper Sollerman, O. Rodríguez, A. Aryan, T.-W. Chen, T. Petrushevska
Izvirni znanstveni članek
Oznake: stars;supernovae;
Context. Type II supernovae (SNe) are the most common terminal stellar explosions in the Universe. With SNe now being detected within days after first light, there is growing evidence that most Type II SNe (SNe II) show signs of interaction with a dense, confined circumstellar material (CSM) in the ...
Leto: 2026 Vir: Univerza v Novi Gorici (UNG)
ATLAS Type II SNe properties
K. Ertini, J. P. Anderson, G. Folatelli, S. González-Gaitán, C. P. Gutiérrez, Jesper Sollerman, O. Rodríguez, A. Aryan, T.-W. Chen, T. Petrushevska
Raziskovalni podatki
Oznake: astronomija;galaksije;supernove;rdeči premik;ekstinkcija;fotometrija;spektroskopija;optična astronomija;infrardeča astronomija;raziskovalni podatki;
Leto: 2026 Vir: Univerza v Novi Gorici (UNG)
Detection of persistent helium absorption in the 91bg-like Type Ia supernova 2022an
Ping Chen, A. Gal-Yam, Subo Dong, Renyue Cen, Boaz Katz, Kate Maguire, Steve Schulze, Jesper Sollerman, J. P. Anderson, T. Petrushevska
Izvirni znanstveni članek
Oznake: Type Ia supernova;SN 2022an;91bg-like supernova;fast-declining supernova;helium absorption;near-infrared spectroscopy;optical spectroscopy;supernova ejecta;thermonuclear explosion;
We present optical and near-infrared (NIR) observations of the fast-declining Type Ia supernova (SN Ia) 2022an. The photometric and spectroscopic properties identify it as a standard 91bg-like event; however, our data reveal a relatively narrow absorption feature with a full width at half-maximum (F ...
Leto: 2026 Vir: Repozitorij Univerze v Novi Gorici (RUNG)
ǂThe ǂPalomar Transient Factory core-collapse supernova host-galaxy sample
Steve Schulze, O. Yaron, Jesper Sollerman, G. Leloudas, Amit Gal, Angus H. Wright, Ragnhild Lunnan, A. Gal-Yam, Eran O. Ofek, T. Petrushevska
Izvirni znanstveni članek
Oznake: supernovae;galaxies;core-collapse supernovae;astronomy;
The Palomar Transient Factory core-collapse supernova host-galaxy sample
Leto: 2021 Vir: Repozitorij Univerze v Novi Gorici (RUNG)
Št. zadetkov: 7
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