3 research outputs found
Negotiating the Minefields of Electronic Discovery
A company’s employee has sued for sexual harassment, age discrimination, or wrongful termination. Or, as another example, the company has been sued for infringement of intellectual property, breach of contract, fraud, or any number of other business reasons. During the course of discovery, the plaintiff serves discovery requests, including a request for data that has been deleted from the company’s electronic records but may still be contained within the company’s backup systems. The search for this data is time consuming and expensive. Discoverable materials may be found in the company’s backup system, but does that possibility justify the lost productivity and expense to restore the material
Limits on the star formation rates of z>2 damped Ly-alpha systems from H-alpha spectroscopy
We present the results of a long-slit K-band spectroscopic search with CGS4
on UKIRT for H-alpha emission from the objects responsible for high-redshift (z
> 2) damped Ly-alpha absorption systems. The objective was to measure the
star-formation rates in these systems. However, no H-alpha emission was
detected above our 3-sigma limits of f < 10E-19 W/m**2, corresponding to star
formation rates < 10 M_sun/yr/h**2 (q_0=0.5). These upper limits are more
meaningful than those from searches for Ly-alpha emission because the H-alpha
line is unaffected by resonant scattering. For q_0=0.5 our limits are in
conflict with the star formation rates predicted under the assumption that the
high-z DLAs are the fully-formed galactic-disk counterparts of today's massive
spiral galaxies. Deeper spectroscopy is needed to test this picture for
q_0=0.0. A programme of NICMOS imaging observations currently underway,
combined with VLT spectroscopy, will provide a detailed picture of the link
between DLAs and young galaxies.Comment: 5 pages, LaTex, includes 1 encapsulated postscript figure. To appear
in the proceedings of the workshop on "NICMOS and the VLT: A New Era of High
Resolution Near Infrared Imaging and Spectroscopy", held in Pula, Sardinia
(26-27 May 1998), eds. Wolfram Freudling et al. Uses aspconf.sty and epsf.st