65 results on '"Carswell, R. F."'
Search Results
2. The evolution of the low-density H i intergalactic medium from z = 3.6 to 0: data, transmitted flux, and H i column density,,
3. Measuring the fine structure constant on a white dwarf surface; a detailed analysis of Fe V absorption in G191-B2B
4. Quantum mechanics at high redshift – Modelling Damped Lyman–α absorption systems
5. Constraining the magnetic field on white dwarf surfaces; Zeeman effects and fine structure constant variation
6. A precise deuterium abundance: remeasurement of the z = 3.572 absorption system towards the quasar PKS1937–101
7. Exploring the thermal state of the low-density intergalactic medium atz = 3 with an ultrahigh signal-to-noise QSO spectrum
8. High-precision limit on variation in the fine-structure constant from a single quasar absorption system
9. Metals in thez∼ 3 intergalactic medium: results from an ultra-high signal-to-noise ratio UVES quasar spectrum
10. A self-consistent model for the evolution of the gas produced in the debris disc of β Pictoris
11. Triple-ionized carbon associated with the low-density neutral hydrogen gas at 1.7 < 3.3: the integratedN H I–N C ivrelation
12. Evidence of bimodal physical properties of intervening, optically thin C iii absorbers atz∼ 2.5
13. The kinetic temperature in a damped Lyman α absorption system in Q2206−199 - an example of the warm neutral medium
14. A cold component and the complex velocity structure of DLA1331 + 170
15. The low-redshift Ly forest towards 3C 273
16. Keck telescope constraint on cosmological variation of the proton-to-electron mass ratio
17. Possible evidence for an inverted temperature–density relation in the intergalactic medium from the flux distribution of the Lyα forest
18. An improved measurement of the flux distribution of the Ly forest in QSO absorption spectra: the effect of continuum fitting, metal contamination and noise properties
19. A large population of metal-rich, compact, intergalactic C IV absorbers - evidence for poor small-scale metal mixing
20. Spatial fluctuations in the spectral shape of the ultraviolet background at 2 > z > 3 and the reionization of helium
21. Cosmological evolution of heavy-element andH2abundances
22. The effect of (strong) discrete absorption systems on the Lyman α forest flux power spectrum
23. The power spectrum of the flux distribution in the Lyman forest of a large sample of UVES QSO absorption spectra (LUQAS)
24. The deuterium abundance in thez= 0.7 absorber towards QSO PG1718+4807
25. Size estimates for intervening C IV absorbers from high-resolution spectroscopy of APM 0827+5255
26. The physical properties of the Lyα forest at
27. Large-scale structure in the Lyman- forest--II. Analysis of a group of 10 QSOs
28. The Lyman-alpha forest and heavy-element systems of GB1759+7539
29. Echelle spectrograph observations of the Hubble Deep Field South QSO J2233--606
30. Large-scale structure in the Lyman- forest: a new technique
31. Large-scale structure in the Lyman-alpha forest: a new technique
32. Evolution of the ionizing background at high redshifts
33. Erratum: Infrared spectroscopy of high-redshift quasars
34. The high-redshift deuterium abundance: the z = 3.086 absorption complex towards Q 0420-388
35. Infrared spectroscopy of high-redshift quasars
36. Is there deuterium in the Formula Complex in the Spectrum of Formula?
37. Evidence for structure in the H I column density distribution of QSO absorbers
38. A re-analysis of the spectrum of QSO 2206 - 199
39. Detailed structure of expanding photoionized Ly α clouds
40. The Gunn-Peterson effect and the H I column density distribution of Lyman alpha forest clouds at z = 4
41. Redshift measurements of the brightest cluster galaxies of the gravitational lens 0957 + 561
42. On measuring the deuterium abundance in QSO absorption systems
43. The heavy element abundance in the z = 2.076 absorption system towards the QSO 2206 – 199N
44. The Lyman-alpha emission-line profiles in high-redshift QSOs
45. Is the apparent redshift cut-off in the Tololo deep survey real?
46. The remarkable Seyfert galaxy Markarian 231
47. Do some QSO low-ionization absorption systems arise in galactic discs?
48. Spectroscopy of 26 QSO candidates from the Jodrell Bank 966-MHz survey
49. Q 0002 - 422: a QSO with zabs << zem
50. Spectrophotometry of Markarian 3
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