Far Ultraviolet Imaging of HH-1 and HH-2 with the Space Telescope Imaging Spectrograph

Astronomy and Astrophysics – Astronomy

Scientific paper

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Scientific paper

In 1998 April, we observed the bright Herbig-Haro objects HH-1 and HH-2 in the far ultraviolet using the Space Telescope Imaging Spectrograph on board the Hubble Space Telescope. The observations were made in imaging mode with the photon-counting, solar-blind FUV-MAMA detector and a crystalline quartz filter that combined to provide a bandpass from 145-190 nm, with a FWHM spatial resolution of 60-70 milliarcseconds. Each object was observed for 2538 seconds. We report here on the morphology and brightness of the UV emissions observed, compare with previous FUV spectroscopic observations and with previous HST imaging in the visible, and discuss the prospects for followup spectroscopy of the brighter features.

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