Results 81 to 90 of about 7,219,823 (215)

Large Cold Dust Reservoir Revealed in Transitional SN Ib 2014C by James Webb Space Telescope Mid-infrared Spectroscopy

The Astrophysical Journal
Supernova (SN) 2014C is a rare transitional event that exploded as a hydrogen-poor, helium-rich Type Ib SN and subsequently interacted with a hydrogen-rich circumstellar medium (CSM) a few months postexplosion.
Samaporn Tinyanont, Ori D. Fox, Melissa Shahbandeh, Tea Temim, Robert Williams, Kittipong Wangnok, Armin Rest, Ryan M. Lau, Keiichi Maeda, Jacob E. Jencson, Katie Auchettl, Alexei V. Filippenko, Conor Larison, Chris Ashall, Thomas G. Brink, Kyle W. Davis, Luc Dessart, Ryan J. Foley, Lluís Galbany, Matthew Grayling, Joel Johansson, Mansi M. Kasliwal, Zachary G. Lane, Natalie LeBaron, Dan Milisavljevic, Jeonghee Rho, Itsuki Sakon, Arkaprabha Sarangi, Tamás Szalai, Kirsty Taggart, Schuyler D. Van Dyk, Qinan Wang, Yi Yang, WeiKang Zheng, Szanna Zsíros   +34 more
doaj   +1 more source

Type Ib SN 1999dn as an example of the thoroughly mixed ejecta of Ib supernovae [PDF]

Monthly Notices of the Royal Astronomical Society, 2014
16 pages, 6 figures, 2 tables. Accepted for publication at MNRAS (11-December-2013)
Cano, Zach, Maeda, Keiichi, Schulze, Steve   +2 more
openaire   +5 more sources

Multiphase Shock Cooling Emission in Ultrastripped Supernovae

The Astrophysical Journal
Ultrastripped and Type Ibn supernovae (USSNe and SNe Ibn, respectively) are fast-evolving, hydrogen-poor transients that often show signs of interaction with dense circumstellar material (CSM). S. C. Wu & J.
Annastasia Haynie, Samantha C. Wu, Anthony L. Piro, Jim Fuller   +3 more
doaj   +1 more source

The Orbital and Physical Properties of Five Southern Be+sdO Binary Systems

The Astronomical Journal, 2023
Close binary interactions may play a critical role in the formation of the rapidly rotating Be stars. Mass transfer can result in a mass gainer star spun up by the accretion of mass and angular momentum, while the mass donor is stripped of its envelope ...
Luqian Wang, Douglas R. Gies, Geraldine J. Peters, Zhanwen Han   +3 more
doaj   +1 more source

A binary progenitor for the Type Ib Supernova iPTF13bvn [PDF]

Proceedings of the International Astronomical Union, 2014
AbstractThe recent detection in archival HST images of an object at the the location of supernova (SN) iPTF13bvn may represent the first direct evidence of the progenitor of a Type Ib SN. The object's photometry was found to be compatible with a Wolf-Rayet pre-SN star mass of ≈ 11 M⊙.
openaire   +1 more source

Near-infrared Spectral Properties of Type Ib/Ic Supernova Progenitors and Implications for JWST and NGRST Observations

The Astrophysical Journal
While about 20 type II supernova (SN II) progenitors have been identified using optical data from the Hubble Space Telescope (HST), direct detection of type Ib/Ic supernova (SN Ib/Ic) progenitors remains challenging, due to their faint optical brightness
Moo-Keon Jung, Sung-Chul Yoon
doaj   +1 more source

Supernovae 1983i and 1983v - Evidence for abundance variations in type Ib supernovae

The Astrophysical Journal, 1987
Spectra are presented of SN 1983i 5 days after discovery and of SN 1983v 13 days after discovery. The similarity of these two spectra argues that they are of similar origin and phase. Theoretical atmosphere calculations provide evidence for a connection to the type Ib supernovae 1983n and 1984l, with SN 1983i and 1983v having a similar structure but ...
J. C. Wheeler, R. P. Harkness, E. S. Barker, A. L. Cochran, D. Wills   +4 more
openaire   +1 more source

SN 2005bf: A possible transition event between type Ib/c supernovae and gamma-ray bursts [PDF]

, 2019
We present u′g′r′i′BV photometry and optical spectroscopy of the Type Ib/Ic SN 2005bf covering the first ∼100 days following discovery. The u′g′BV light curves displayed an unprecedented morphology among Type Ib/Ic supernovae, with an initial maximum ...
Foley, Ryan J., Persson, S. E., McWilliam, Andrew, Boissier, Samuel, Murphy, David, Lee, Brian L., Freedman, W. L., Morrell, Nidia Irene, Suntzeff, Nicholas B., Folatelli, Gastón, González, Sergio, Contreras, Carlos, González, Luis, Blinnikov, Sergei, Pych, Wojtek, Galaz, Gaspar, Woosley, S. E., Hamuy, Mario, McCarthy, P. J., Roth, Miguel, Li, Weidong, Krzeminski, Wojtek, Phillips, M. M., Madore, Barry F., Filippenko, Alexei V.   +24 more
core  

WFST Supernovae in the First Year. III. Systematical Study of the Photometric Behavior of Early-phase Core-collapse Supernovae

The Astrophysical Journal
We investigate the multiband photometric properties of seven supernovae (SNe) showing double-peaked light-curve evolution and prominent shock-cooling emission, observed by the Wide Field Survey Telescope during its first year of operation.
Junhan Zhao, Ji-an Jiang, Zelin Xu, Yu-Hao Zhang, Qiliang Fang, Liang-Duan Liu, Qingfeng Zhu, Yun-Wei Yu, Keiichi Maeda, Lluís Galbany, Hanindyo Kuncarayakti, Željko Ivezić, Saurabh W. Jha, Peter Yoachim, Dezheng Meng, Weiyu Wu, Zhengyan Liu, Andrew J. Connolly, Zigao Dai, Ziqing Jia, Wen Zhao, Lulu Fan, Ming Liang, Hairen Wang, Jian Wang, Hongfei Zhang   +25 more
doaj   +1 more source

SN 2019odp – A massive oxygen-rich Type Ib supernova

Astronomy & Astrophysics
Aims. Stripped envelope (SE) supernovae are explosions of stars that have somehow lost most of their outer envelopes. We present the discovery and analyse the observations of the Type Ib supernova 2019odp (a.k.a. ZTF19abqwtfu) covering epochs within days of the explosion to late nebular phases at 360 d post-explosion. Methods.
T. Schweyer, J. Sollerman, A. Jerkstrand, M. Ergon, T.-W. Chen, C. M. B. Omand, S. Schulze, M. W. Coughlin, I. Andreoni, C. Fremling, A. Rau, Y. Sharma, N. L. Strotjohann, L. Yan, M. J. Graham, M. M. Kasliwal, R. R. Laher, J. Purdum, P. Rosnet, B. Rusholme, R. Smith   +20 more
openaire   +6 more sources