activity
20032024
most citedEMPRESS. VIII. A New Determination of Primordial He Abundance with Extremely Metal-Poor Galaxies: A Suggestion of the Lepton Asymmetry and Implications for the Hubble Tension

104 citations · 295 across the 16 of their papers we have counts for

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Showing 2009Show all

2 papers · 1 filter

astro-ph.HE2009★ 28 cited

Early Spectral Evolution of the Rapidly Expanding Type Ia SN 2006X

Masayuki Yamanaka, Hiroyuki Naito, Kenzo Kinugasa +6

We present optical spectroscopic and photometric observations of Type Ia supernova (SN) 2006X from --10 to +91 days after the -band maximum. This SN exhibits one of the highest…

astro-ph.GA2009★ 9 cited

Kinematic and Excitation Structure of the NGC 1068 Narrow-Line Region

Shinobu Ozaki

We investigated the kinematic and excitation structure of the NGC 1068 narrow-line region (NLR). We obtained profiles of several emission lines, [OIII]5007, H, [OI]6300 an…