no code implementations • 14 Dec 2020 • Kirill Makan, Gábor Worseck, Frederick B. Davies, Joseph F. Hennawi, J. Xavier Prochaska, Philipp Richter
We present new high-resolution (R~14, 000) spectra of the two brightest HeII-transparent quasars in the far-UV (FUV) at z>3. 5, HE2QSJ2311-1417 (z=3. 70) and HE2QSJ1630+0435 (z=3. 81), obtained with the Cosmic Origins Spectrograph (COS) on the Hubble Space Telescope (HST).
Cosmology and Nongalactic Astrophysics
1 code implementation • 17 Jun 2016 • Gabriela Calistro Rivera, Elisabeta Lusso, Joseph F. Hennawi, David W. Hogg
The model consists of four physical emission components: an accretion disk, a torus of AGN heated dust, stellar populations, and cold dust in star forming regions.
Astrophysics of Galaxies Instrumentation and Methods for Astrophysics
