README web version of /home/usg/OPS/MTS/readme_xml/readme_79030300

Principal Investigator Email Address

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perni@astro.uni-bonn.de
```

Estimated Total Execution Time (hours, including overheads)

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7h
```

General Description

We propose to observe the quasar PKS\,1448$-$232 ($z=2.208, V=16.9$) with
 UVES at
very high resolution ($R\sim 75,000$)
in order to study the fine structure in the absorption lines of
intervening O\,{\sc vi} and C\,{\sc iv} systems. The main goal
of this project is to investigate those O\,{\sc vi} and C\,{\sc iv} absorbers
that are intrinsically narrow, with Doppler parameters ($b$-values) less than $\sim
 7$
km\,s$^{-1}$. These systems are not resolved in currently existing
intermediate-resolution UVES spectra. With these new UVES data we will be able
to accurately measure the component structure and line
widths of the intervening O\,{\sc vi} and C\,{\sc iv}
absorbers towards PKS\,1448$-$232. Only these new
data will allow us to derive reliable line-width temperature constraints
and O\,{\sc vi}/C\,{\sc iv} column density ratios. These parameters are
crucial to unveil the mechanisms that ionize the intergalactic medium at $z\approx2$.

Waiver Requests

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No Waiver Request was submitted
```

Critical Observing Condition Constraints

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none
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Time-Critical Aspects

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none
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Special Execution Requirements

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none
```

Special Calibration Information

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none
```

ToO Information

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none
```

ToO Activators List

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none
```

Is this a Pre-imaging run ?

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false
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Pre-imaging Requirements

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none
```

Source(s) of Pre-imaging

---(Empty)---

Pre-imaging sources not listed above

---(Empty)---

Do all your OBs comply with the instrument-specific requirements listed on the instrument-specific Phase 2 web page ?

If this is a pre-imaging run, did you select PRE-IMAGING for the Observing Category for each Observing Template ?

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N/A
```

Do all your finding charts comply with both the general and instrument-specific Phase 2 Web Pages ?

If you submitted OBs for standard stars, did you specify the magnitude and spectral type of all standard stars in the OBs ?

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N/A
```

Have you included OBs for any calibrations that you need but which are not part of the Calibration Plan ?

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N/A
```

If you are observing Moving Targets, have you attached suitable ephemeris files to your OBs?

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N/A
```

If you have preferences which OBs should be executed first, did you make use of the User Priority field in the OBs ?

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N/A
```

If this is a run that requires coordinated observations with other facilities, did you give proper instructions in the Time-Critical Aspects Section ?

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N/A
```

If you need secondary guiding, are there suitable objects within 30 arcsec from your target ?

```
N/A
```

Last creation of page: Tue Oct 6 15:40:18 2009
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