README web version of /home/usg/OPS/MTS/readme_xml/readme_78037400

Principal Investigator Email Address

```
msw@star.ucl.ac.uk
```

Estimated Total Execution Time (hours, including overheads)

```
10h 59m 15secs
```

General Description

This proposal comprises a set of IFU observations designed to map the
 starburst-driven galactic outflow in NGC 253. We are making use of two spatial resolution
 settings to 1) map the detailed structure of the nuclear regions, including any
 star-clusters, and 2) to map the larger-scale outflow features in the southern plume.
 Each OB is split into three equal length, spatially dithered (by 1 fibre diameter)
 exposures to aid the removal of chip defects and cosmic-rays. Separate sky exposures
 have not been included since moving to blank sky would involve a ~10 arcmin offset.

Waiver Requests

A waiver request was approved for OBs to have a total execution length
 of 1.25h (submitted: 24th July 2006; approved: 25th July 2006; 078.B-0374A.02.WAV
 APPROVED)

Critical Observing Condition Constraints

None other than what is defined under the constraint sets.

Time-Critical Aspects

```
None
```

Special Execution Requirements

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Special Calibration Information

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ToO Information

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ToO Activators List

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Is this a Pre-imaging run ?

```
false
```

Pre-imaging Requirements

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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 ?

```
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 ?

```
N/A
```

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

```
N/A
```

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

```
N/A
```

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

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

```
N/A
```

Did you specify suitable guide stars for all your OBs using Guidecam ?

```
N/A
```

Did you check that the chosen guide stars are suitable for all the offset positions and that they do not produce unacceptable vignetting of the field of view ?

```
N/A
```

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