Michael Strauss
Michael Strauss Michael Strauss
• Very few objects are detected in soft X-rays in ROSAT, consistent with absorption by H gas. • Six objects have Chandra or XMM hard X-ray detections, consistent with implied luminosities, and with column densities of > few ¥ 10 22 cm -2 Ptak et al. 2005
A montage of HST images of SDSSSDSSselected obscured quasars (Zakamska et al.)
- Page 1 and 2: Nearly Normal Active Galactic Nucle
- Page 3 and 4: Using SDSS for AGN Studies n A colo
- Page 5 and 6: The Luminosity Function from the fu
- Page 7 and 8: Comoving number density peaks betwe
- Page 9 and 10: The nature of low-luminosity quasar
- Page 11 and 12: Ratios of various emission lines al
- Page 13 and 14: The relative number of Type I and T
- Page 15 and 16: n Very few high-luminosity Type II
- Page 17 and 18: How do we determine intrinsic lumin
- Page 19: • Multiband continuum imaging wit
- Page 23 and 24: These objects have IRAC colors cons
- Page 25 and 26: 19 quasars with z>5.7
• Very few objects<br />
are detected in soft<br />
X-rays in ROSAT,<br />
consistent with<br />
absorption by H<br />
gas.<br />
• Six objects have<br />
Chandra or XMM<br />
hard X-ray<br />
detections,<br />
consistent with<br />
implied<br />
luminosities, and<br />
with column<br />
densities of > few<br />
¥ 10 22 cm -2<br />
Ptak et al. 2005
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