J/A+A/391/L11 Lyman alpha forest in HE 0515-4414 (Janknecht+ 2002)
A high-resolution study of the evolution of the Lyman alpha forest
in the redshift interval 0.9 < z < 1.7.
Janknecht E., Baade R., Reimers D.
<Astron. Astrophys. 391, L11 (2002)>
=2002A&A...391L..11J 2002A&A...391L..11J
ADC_Keywords: QSOs ; Spectroscopy ; Redshifts
Keywords: cosmology: observations - intergalactic medium -
quasars: Ly α forest - quasars: individual: HE 0515-4414
Description:
We investigated HST/STIS and VLT/UVES spectra of the bright QSO
HE 0515-4414 (zem=1.73, B=15.0) to study the Lyman alpha forest in
the redshift range 0.9 < z < 1.7 at a resolution <10km/s.
Objects:
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RA (2000) DE Designation(s)
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05 17 07.6 -44 10 56 HE 0515-4414
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File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
stis.dat 53 182 Absorption lines in the QSO spectra of HE0515-4414,
Lyman alpha absorption lines, STIS spectrum
uves.dat 53 53 Absorption lines in the QSO spectra of HE0515-4414,
Lyman alpha absorption lines, UVES spectrum
lyalpha.dat 52 37 Absorption lines in the QSO spectra of HE0515-4414,
Lyman alpha absorption lines, proximity zone
lybeta.dat 51 35 Absorption lines in the QSO spectra of HE0515-4414,
Lyman beta absorption lines
lyman.dat 66 9 Absorption lines in the QSO spectra of HE0515-4414,
Absorption lines of the higher orders of the
Lyman series
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Byte-by-byte Description of file: stis.dat uves.dat ly*.dat
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Bytes Format Units Label Explanations
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1- 7 F7.2 0.1nm Lambda Wavelength
10- 13 F4.2 0.1nm e_Lambda rms uncertainty on Lambda
16- 24 F9.7 --- z Redshift of the absorption line
27- 31 F5.2 [cm-2] logNHI H I density column
34- 37 F4.2 [cm-2] e_logNHI rms uncertainty on logNHI
39- 44 F6.2 km/s b Doppler parameter, comprising the thermal
and the turbulent broadening of the lines.
47- 51 F5.2 km/s e_b rms uncertainty on b
53- 66 A14 --- Trans Transition (only for lyman.dat)
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Acknowledgements: E. Janknecht
(End) Patricia Bauer [CDS] 04-Aug-2002