1.5k citations · 6.2k across the 87 of their papers we have counts for
Showing 2003 · astro-phShow all
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astro-ph2003★ 972 cited
The First Data Release of the Sloan Digital Sky Survey
The SDSS collaboration, Kevork Abazajian
The Sloan Digital Sky Survey has validated and made publicly available its First Data Release. This consists of 2099 square degrees of five-band (u, g, r, i, z) imaging data, 186,2…
astro-ph2003★ 93 cited
Does the fine-structure constant vary with cosmological epoch?
John N. Bahcall, Charles L. Steinhardt, David Schlegel
We use the strong nebular lines of O III, 5007 A and 4959 A, to set a robust upper limit on the time dependence of the fine structure constant. We find |alpha^{-1} d alpha(t)/dt |…