GCN Circular 2305
Subject
GRB030329: Subaru Optical Spectroscopy
Event
Date
2003-07-18T00:01:53Z (23 years ago)
From
George Kosugi at Subaru Telescope <george@subaru.naoj.org>
G. Kosugi, Y. Mizumoto, Y. Ohyama, K. S. Kawabata, and K. Aoki
(Subaru Telescope, NAOJ), report:
Spectra of GRB 030329 (H2656, Vanderspek et al, GCN 1997) optical
transient (Peterson & Price, GCN 1985) were obtained using the
Subaru 8.2m telescope and FOCAS (Faint Object Camera And Spectrograph)
with the wavelength coverage of 4700 to 9400A (R=700) on June 22.3 UT
(85 days after the burst).
Compared with the previous data (May 8 and 9 UT : 40 days after the
burst, Kawabata et al. IAUC 8133), we found that several nebular
phase lines ([OI] 6300/6364, [CaII] 7291/7323, etc.) began to emerge
out of the photospheric phase supernova spectrum.
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