328 citations · 3.7k across the 83 of their papers we have counts for
Showing 2000 · astro-phShow all
2 papers · 2 filters
astro-ph2000★ 35 cited
Chandra Grating Spectroscopy of the Seyfert Galaxy Ton S180
T. J. Turner, I. M. George, T. Yaqoob +6
This paper presents results from spectral observations of Ton S180 using Chandra and ASCA. The data confirm the presence of the soft excess but the Chandra LETG spectrum reveals it…
astro-ph2000★ 34 cited
STIS Echelle Observations of NGC 4151: Variable Ionization of the Intrinsic UV Absorbers
D. M. Crenshaw, S. B. Kraemer, J. B. Hutchings +5
We present echelle observations of the intrinsic UV absorption lines in the Seyfert galaxy NGC 4151, which were obtained with the Space Telescope Imaging Spectrograph (STIS) on the…