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J. K. Webb

Identifiers

  • name variant J. K. Webb 0.60 · backfill

Papers (36)

  1. A far-UV survey of three hot, metal-polluted white dwarf stars: WD0455-282, WD0621-376, and WD2211-495 astro-ph.SR · 2019 · author #9
  2. Constraining the magnetic field on white dwarf surfaces; Zeeman effects and fine structure constant variation astro-ph.SR · 2018 · author #2
  3. Primordial deuterium abundance at z=2.504 towards Q1009+2956 astro-ph.CO · 2018 · author #2
  4. The primordial deuterium abundance at z = 2.504 from a high signal-to-noise spectrum of Q1009+2956 astro-ph.GA · 2017 · author #2
  5. A precise deuterium abundance: Re-measurement of the z=3.572 absorption system towards the quasar PKS1937-101 astro-ph.CO · 2017 · author #3
  6. Isotope shift and search for metastable superheavy elements in astrophysical data physics.atom-ph · 2017 · author #3
  7. A robust deuterium abundance; Re-measurement of the z=3.256 absorption system towards the quasar PKS1937-1009 astro-ph.CO · 2014 · author #2
  8. A fourth HI 21-cm absorption system in the sight-line of MG J0414+0534: a record for intervening absorbers astro-ph.CO · 2013 · author #4
  9. Limits on the dependence of the fine-structure constant on gravitational potential from white-dwarf spectra astro-ph.CO · 2013 · author #4
  10. Measuring space-time variation of the fundamental constants with redshifted submillimetre transitions of neutral carbon astro-ph.CO · 2011 · author #5
  11. On the absence of molecular absorption in high redshift millimetre-band searches astro-ph.CO · 2011 · author #7
  12. Localised HI 21-cm absorption towards a double-lobed z=0.24 radio galaxy astro-ph.CO · 2011 · author #3
  13. A third HI 21-cm absorption system in the sight-line of MG J0414+0534: A redshift for Object X? astro-ph.CO · 2011 · author #5
  14. Redshifted HI and OH absorption in radio galaxies and quasars astro-ph.CO · 2010 · author #4
  15. Atomic transition frequencies, isotope shifts, and sensitivity to variation of the fine structure constant for studies of quasar absorption spectra astro-ph.CO · 2010 · author #7
  16. Is there further evidence for spatial variation of fundamental constants? astro-ph.CO · 2010 · author #5
  17. Indications of a spatial variation of the fine structure constant astro-ph.CO · 2010 · author #1
  18. Blind Wide Area Surveys: Where will we find redshifted atomic and molecular absorption? astro-ph.CO · 2009 · author #3
  19. Where is the Cold Neutral Gas in the Hosts of High Redshift AGN? astro-ph · 2008 · author #3
  20. A survey for redshifted molecular and atomic absorption lines - II. Associated HI, OH and millimetre lines in the z >~ 3 Parkes quarter-Jansky flat-spectrum sample astro-ph · 2008 · author #4
  21. Relationships between the HI 21-cm line strength, MgII equivalent width and metallicity in damped Lyman-alpha absorption systems astro-ph · 2007 · author #4
  22. HI and OH absorption in the lensing galaxy of MG J0414+0534 astro-ph · 2007 · author #6
  23. Detection of broad 21-cm absorption at z = 0.656 in the complex sight-line towards 3C336 astro-ph · 2007 · author #4
  24. Probing variations in fundamental constants with radio and optical quasar absorption-line observations astro-ph · 2006 · author #3
  25. A survey for redshifted molecular and atomic absorption lines I astro-ph · 2006 · author #4
  26. The detectability of HI 21-cm absorption in damped Lyman-alpha systems astro-ph · 2006 · author #2
  27. Spin temperatures and covering factors for HI 21-cm absorption in damped Lyman-alpha systems astro-ph · 2004 · author #4
  28. Laboratory spectroscopy and the search for space-time variation of the fine structure constant using QSO spectra physics.atom-ph · 2004 · author #7
  29. Molecular fraction limits in damped Lyman-alpha absorption systems astro-ph · 2004 · author #4
  30. D/H in a new Lyman limit quasar absorption system at z=3.256 towards PKS1937-1009 astro-ph · 2004 · author #2
  31. Atomic and Molecular Absorption at High Redshift astro-ph · 2003 · author #2
  32. Does the fine structure constant vary? A detailed investigation into systematic effects astro-ph · 2002 · author #2
  33. Does the fine structure constant vary? A third quasar absorption sample consistent with varying alpha astro-ph · 2002 · author #1
  34. Time evolution of the fine structure constant astro-ph · 2002 · author #2
  35. Structure in the Lyman-Alpha Forest astro-ph · 1997 · author #2
  36. A High Deuterium Abundance at z=0.7 astro-ph · 1997 · author #1

Mentions

  • 1412.4043 #2 · backfill · confidence 0.70 J. K. Webb
  • 1306.0983 #4 · backfill · confidence 0.70 J. K. Webb
  • 1305.1337 #4 · backfill · confidence 0.70 J. K. Webb
  • 1108.0976 #5 · backfill · confidence 0.70 J. K. Webb
  • 1106.0578 #7 · backfill · confidence 0.70 J. K. Webb
  • 1103.2595 #3 · backfill · confidence 0.70 J. K. Webb
  • 1102.4910 #5 · backfill · confidence 0.70 J. K. Webb
  • 1012.1972 #4 · backfill · confidence 0.70 J. K. Webb
  • 1011.4136 #7 · backfill · confidence 0.70 J. K. Webb
  • 1009.0591 #5 · backfill · confidence 0.70 J. K. Webb
  • 1008.3907 #1 · backfill · confidence 0.70 J. K. Webb
  • 0910.3743 #3 · backfill · confidence 0.70 J. K. Webb
  • 0807.4983 #3 · backfill · confidence 0.70 J. K. Webb
  • 0805.1581 #4 · backfill · confidence 0.70 J. K. Webb
  • 0709.2207 #4 · backfill · confidence 0.70 J. K. Webb
  • 0708.1636 #6 · backfill · confidence 0.70 J. K. Webb
  • 0706.2692 #4 · backfill · confidence 0.70 J. K. Webb

Frequent Coauthors