Observations of SN1988e - A mature supernova

Astronomy and Astrophysics – Astrophysics

Scientific paper

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Stellar Spectra, Supernovae, Charge Coupled Devices, Light Curve, Stellar Envelopes

Scientific paper

The spectrum of the supernova SN1988e is presented over the wavelength range 4750-9000 A, as recorded on February 11, 1988. The spectrum was taken in one 2000 s exposure using the Faint Object Spectrograph on the 4-2 m William Herschel Telescope at the Observatorio del Roque de los Muchachos. SN1988e was a type I supernova; at the time of observation it had faded 7.5 mag from its predicted magnitude at maximum light. Spectra taken at such late stages in the light curve are comparatively rare, and are made possible only with the application of modern instrumentation.

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