1.4k citations
- Massachusetts Institute of TechnologyUS14 papers
- Centre National de la Recherche ScientifiqueFR10 papers
- Indiana University BloomingtonUS10 papers
- Columbia UniversityUS9 papers
- Argonne National LaboratoryUS8 papers
- Brookhaven National LaboratoryUS8 papers
- Karlsruhe Institute of TechnologyDE8 papers
- The Ohio State UniversityUS8 papers
- The University of Texas at AustinUS8 papers
- University of California, BerkeleyUS8 papers
- California Institute of TechnologyUS7 papers
- Goethe University FrankfurtDE7 papers
Showing 2003 · astro-phShow all
3 papers · 2 filters
astro-ph2003★ 9 cited
AGN Unification: An Update
C. Megan Urry
The paradigm for AGN unification is reviewed, in terms of its optical manifestation as obscuration in the equatorial plane and its radio manifestation as relativistic beaming of th…
astro-ph2003
Halo Substructure in the QUEST RR Lyrae Survey
Robert Zinn, A. Katherina Vivas, Carme Gallart +1
A survey of 380 sq. deg. of the sky with the 1m Schmidt telescope at the Observatorio Nacional de Llano del Halo and the QUEST camera has found 498 RR Lyrae variables lying from 4…
astro-ph2003
Velocities of RR Lyrae Stars in the Sagittarius Tidal Stream
A. Katherina Vivas, Robert Zinn, Carme Gallart
We have measured radial velocities and metallicities of 16 RR Lyrae stars, from the QUEST survey, in the Sagittarius tidal stream at 50 kpc from the galactic center. The distributi…