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researcher

Seiji Toshikage

6 papers hereh-index 211 citations6 works total

Matching runs newest-first, so older work may not be attached to this profile yet.

author position
  • first author3
  • middle author3

Across the 6 of 6 papers where every author was matched, so the position is known.

fields
  • astro-ph.HE5
  • astro-ph.GA1

identity via Semantic Scholar / OpenAlex

activity
20212026
most citedSubaru Hyper Suprime-Cam revisits the large-scale environmental dependence on galaxy morphology over 360 deg2 at z=0.3-0.6

13 citations · 13 across the 6 of their papers we have counts for

collaborators
Showing 2026 · astro-ph.HEShow all

3 papers · 2 filters

astro-ph.HE2026

A Type Ia Supernova Candidate at z∼4.3: A Transient Interloper in the Search for z∼14 Galaxies

Seiji Toshikage, Takahiro Morishita, Masaomi Tanaka +9

The James Webb Space Telescope (JWST) is opening a new window into the distant Universe by discovering galaxies and transients in the early Universe. We investigate a high-redshift…

astro-ph.HE2026

GRB 260310A/SN 2026fgk: Photometric and Spectroscopic Evolution of a Nearby GRB-Supernova and an Exceptionally Bright Afterglow at z=0.153

Brendan O'Connor, Malte Busmann, Xander J. Hall +24

The association of broad-lined Type Ic supernovae with long-duration gamma-ray bursts (GRBs) has been known for 28 years. However, only about seventy gamma-ray burst supernovae (GR…

astro-ph.HE2026

Deep Optical Follow-up Observations to IceCube Cosmic Neutrinos: a case for IC230724A with Subaru/HSC and prospects with Rubin/LSST

Shigeo S. Kimura, Masaomi Tanaka, Seiji Toshikage +8

IceCube has been detecting cosmic high-energy neutrinos for more than 10 years, but their major sources are still under debate. To identify them, IceCube is issuing neutrino alerts…

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Not affiliated with arXiv. Researcher data from Semantic Scholar (ODC-BY) and OpenAlex.