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- W1663661812 abstract "The quasar PG 1116+215 (Schmidt and Green, 1983) was selected because it is an intrinsically bright low redshift quasar. With z = 0.177 the soft X-ray emission is not significantly redshifted outside the ROSAT band. Its apparent magnitude m v = 15.04 (Véron and Véron, 1989) corresponds to M v = −25.0 for H 0 = 50 km s −1 Mpc −1 and q 0 = 0. An additional selection criterion was low N H . Radio observations give N H = 1.44 × 10 20 cm −2 (Elvis, Lockman and Wilkes, 1989)." @default.
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- W1663661812 date "1994-01-01" @default.
- W1663661812 modified "2023-09-26" @default.
- W1663661812 title "High S/N ROSAT-PSPC Observations of the Quasar PG 1116+215: Power Law Shape of the Soft X-ray Spectrum" @default.
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- W1663661812 doi "https://doi.org/10.1017/s0074180900175035" @default.
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