Browsing by Subject "Ejecta"

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Can geoeffectiveness of CMEs be predicted?

Srivastava, N (Astronomical Society of India, 2002-09)

Coronal mass ejections or CMEs are well known as the drivers of enhanced interplanetary and geomagnetic activity. They are large expulsions of material from the Sun, which travel into the interplanetary (IP) medium. ...
SN 2020jfo: A Short-plateau Type II Supernova from a Low-mass Progenitor

Teja, Rishabh Singh; Singh, A; Sahu, D. K; Anupama, G. C; Kumar, Brajesh; Nayana, A. J (American Astronomical Society, 2022-05-01)

We present spectroscopic and photometric observations of the Type IIP supernova, SN 2020jfo, in ultraviolet and optical wavelengths. SN 2020jfo occurred in the spiral galaxy M61 (NGC 4303), with eight observed supernovae ...
SN2019wxt: An Ultrastripped Supernova Candidate Discovered in the Electromagnetic Follow-up of a Gravitational Wave Trigger

Shivkumar, Hinna; Jaodand, Amruta D.; Balasubramanian, Arvind; Fremling, Christoffer; Corsi, Alessandra; Tzanidakis, Anastasios; Nissanke, Samaya; Kasliwal, Mansi; Brightman, Murray; Raaijmakers, Geert; Madsen, Kristin Kruse; Harrison, Fiona; Carbone, Dario; Nayana, A. J; Désert, Jean-Michel; Andreoni, Igor (American Astronomical Society, 2023-07-20)

We present optical, radio, and X-ray observations of a rapidly evolving transient SN2019wxt (PS19hgw), discovered during the search for an electromagnetic counterpart to the gravitational-wave (GW) trigger S191213g. Although ...

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