4.4k citations
- Keele UniversityGB18 papers
- Los Alamos National LaboratoryUS17 papers
- University of California, BerkeleyUS17 papers
- University of ArizonaUS16 papers
- Space Telescope Science InstituteUS15 papers
- Center for Astrophysics Harvard & SmithsonianUS14 papers
- Liverpool John Moores UniversityGB14 papers
- University of LeicesterGB14 papers
- Centre National de la Recherche ScientifiqueFR12 papers
- Scuola Internazionale Superiore di Studi AvanzatiIT12 papers
- University of ManchesterGB12 papers
- University of VirginiaUS12 papers
Showing 2004 · astro-phShow all
3 papers · 2 filters
astro-ph2004
Peculiar velocities in the Zone of Avoidance: Determining the Distance to the Norma cluster
P. A. Woudt, A. P. Fairall, R. C. Kraan-Korteweg +4
Deep J, H and Ks photometry of the low Galactic latitude Norma cluster has been obtained with the 1.4-m Infrared Survey Facility (IRSF) and with SOFI on the NTT. Together with spec…
astro-ph2004★ 6 cited
Black-Hole Mass Measurements
M. Vestergaard
The applicability and apparent uncertainties of the techniques currently available for measuring or estimating black-hole masses in AGNs are briefly summarized.
astro-ph2004
Evidence for Early or Efficient Black-Hole Growth
M. Vestergaard
Mass estimates, based on scaling relationships, are presented of central black holes in luminous quasars at a range of redshifts (z < 0.5, 1.2 ~< z ~< 6.3). The data show that very…