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19922026
most citedThe Sloan Digital Sky Survey: Technical Summary

10.4k citations

Showing 2009Show all

159 papers · 1 filter

astro-ph.SR2009★ 53 cited

Angular Diameters and Effective Temperatures of Twenty-five K Giant Stars from the CHARA Array

Ellyn K. Baines, Michaela P. Doellinger, Felice Cusano +10

Using Georgia State University's CHARA Array interferometer, we measured angular diameters for 25 giant stars, six of which host exoplanets. The combination of these measurements a…

astro-ph.SR2009★ 18 cited

The three-dimensional structure of sunspots II. The moat flow at two different heights

H. Balthasar, K. Muglach

Many sunspots are surrounded by a radial outflow called the moat flow. We investigate the moat flow at two different heights of the solar atmosphere for a sunspot whose magnetic pr…

astro-ph.HE2009★ 205 cited

Fermi observations of Cassiopeia and Cepheus: diffuse gamma-ray emission in the outer Galaxy

LAT collaboration

We present the analysis of the interstellar gamma-ray emission measured by the Fermi Large Area Telescope toward a region in the second Galactic quadrant at 100 deg < l < 145 deg a…

astro-ph.HE2009★ 38 cited

The Chandra View of Nearby X-shaped Radio Galaxies

Edmund Hodges-Kluck, Christopher S. Reynolds, Chi C. Cheung +1

We present new and archival Chandra X-ray Observatory observations of X-shaped radio galaxies within z < 0.1 alongside a comparison sample of normal double-lobed FR I and II radio…

astro-ph.CO2009★ 50 cited

The Geometry of Mass Outflows and Fueling Flows in the Seyfert 2 Galaxy Mrk 3

D. M. Crenshaw, S. B. Kraemer, H. R. Schmitt +4

We present a study of the resolved emission-line regions and an inner dust/gas disk in the Seyfert 2 galaxy Mrk 3, based on Hubble Space Telescope observations. We show that the ex…

astro-ph.SR2009★ 63 cited

The Structure and Dynamics of the Upper Chromosphere and Lower Transition Region as Revealed by the Subarcsecond VAULT Observations

A. Vourlidas, B. Sánchez-Andrade Nuño, E. Landi +5

The Very high Angular resolution ULtraviolet Telescope (VAULT) is a sounding rocket payload built to study the crucial interface between the solar chromosphere and the corona by ob…