Supernovae 2004ci and 2004cr

Details Supernovae 2004ci and 2004cr Supernovae 2004ci and 2004cr

Jun 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004iauc.8360....2m&link_type=abstract

IAU Circ., 8360, 2 (2004). Edited by Green, D. W. E.

Astronomy and Astrophysics

Astrophysics

Scientific paper

T. Matheson, P. Challis, and R. Kirshner, Harvard-Smithsonian Center for Astrophysics, report that a spectrum (range 340-730 nm) of SN 2004ci, obtained by E. Adams and M. Westover on June 19.23 UT with the Mt. Hopkins 1.5-m telescope (+ FAST spectrograph), shows it to be a type-II supernova. The spectrum consists of a blue continuum with P-Cyg lines of hydrogen and helium. Adopting the NASA/IPAC Extragalactic Database recession velocity of 4092 km/s for the host galaxy, the expansion velocity derived from the minimum of the H_beta line is 10700 km/s.

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