Quasars and the big blue bump

Z Shang, MS Brotherton, RF Green… - The Astrophysical …, 2005 - iopscience.iop.org
… Taking advantage of the short-wavelength coverage, we are able to study the so-called
big blue bump, the region in which the energy output peaks, in detail. Most objects exhibit a …

Testing Models for the Quasar Big Blue Bump via Color-Color Diagrams

AL Siemiginowska, O Kuhn, MS Elvis… - The Astrophysical …, 1995 - dash.harvard.edu
… ABSTRACT We discuss several models of quasar big blue bump … of the big blue bump: (1)
IR/VIS color represents the … color shows the slope of the big blue bump (in a region where it …

The dust-eliminated shape of quasar spectra in the near-infrared: a hidden part of the big blue bump

M Kishimoto, R Antonucci… - Monthly Notices of the …, 2005 - academic.oup.com
… -IR polarized flux as an indication of the blue underlying continuum, we seem to be sketching
in the true spectrum of the quasar big blue bump. The results so far look more intelligible …

A first close look at the Balmer-edge behaviour of the quasar big blue bump

M Kishimoto, R Antonucci… - Monthly Notices of the …, 2003 - academic.oup.com
… of a quasar (Ton 202)… big blue bump emission. In this case, the existence of the Balmer-edge
feature, seen in absorption in the shorter wavelength side, indicates that the big blue bump

[PDF][PDF] TESTING MODELS FOR THE QUASAR BIG BLUE BUMP VIA COLOR-COLOR DIAGRAMS

J MCDOWELL, BJ WILKES - 1995 - cxc.cfa.harvard.edu
… ABSTRACT We discuss several models of quasar big blue bump … of the big blue bump: (1)
IR/VIS color represents the … shows the slope of the big blue bump (in a region where it domi- …

Constraints on spin of a supermassive black hole in quasars with big blue bump

MY Piotrovich, YN Gnedin, TM Natsvlishvili… - Astrophysics and Space …, 2017 - Springer
We determined the spin value of supermassive black hole (SMBH) in active galactic nuclei (AGN)
with investigated ultraviolet-to-optical spectral energy distribution, presented in the …

The Shape of the big blue bump as revealed by spectropolarimetry

R Antonucci, M Kishimoto, C Boisson… - arXiv preprint astro-ph …, 2003 - arxiv.org
quasar Big Blue Bump generally lead to bound-free continuum features, which may be in
absorption or emission. Searches for Lyman edges attributable to quasar … Small Blue Bump) …

Blue, green and red bumps in active galactic nuclei

A Lawrence - Monthly Notices of the Royal Astronomical Society, 2005 - academic.oup.com
bump seems similar to that of 3C 273 but shifted to lower frequency—more of a big green
bump than a big blue bump… luminous quasars, leading one to speculate that it too has a bump, …

The spectra of red quasars

PJ Francis, CL Drake, MT Whiting… - Publications of the …, 2001 - cambridge.org
… We hypothesise that these red, strong-lined quasars have intrinsically weak Big Blue Bumps
We therefore hypothesise that these quasars have intrinsically weak Big Blue Bumps. Note, …

[HTML][HTML] Free-free emission and the big blue bump in active galactic nuclei

R Barvainis - Astrophysical Journal, Part 1 (ISSN 0004-637X) …, 1993 - adsabs.harvard.edu
… optically thin thermal, hypothesis for the optical/UV big blue bump (BBB) in active galactic
nuclei (AGNs). The most basic … quasars should avoid the shot noise in the IUE data, as well as …