README web version of /home/usg/OPS/MTS/readme_xml/readme_79021800

Principal Investigator Email Address

```
giampaolo.piotto@unipd.it
```

Estimated Total Execution Time (hours, including overheads)

```
7:56:12
```

General Description

This is the first epoch of an imaging run of 4 fields (A, B, C and Q)
 in M4. 
Each field is observed with a dither pattern that is split in 2 Observing Blocks,
 to be taken preferentially very close in time. 
The science goal is to take 6 epochs of the same fields during the observation period.
 
This first run - A - should then be followed by one run every month (see run  B
 to F).
In order to properly map any possible star motion, observations should be preferably
 taken with a uniform distribution in time, for example always during the first 7
 days of each month.
In the best case data are then roughly evenly distributed in time.
The reference star for the AO correction is at the center of the observed field,
 and is always the brightest star.
Field A brightest star has V=10.77
Field B brightest star has V=12.77
Field C brightest star has V=11.83
Field Q brightest star has V=14.00

Waiver Requests

```
No Waiver Request was submitted
```

Critical Observing Condition Constraints

```
No critical observing condition
```

Time-Critical Aspects

In order to properly fullfill the program objective, each run (from A
 to F) has to be taken in the appropriate month, specified in the Time Intervals
 of each OB.
These OBs should then be observed in April.
Inside any given Time Interval observations should be taken preferably in the same
 days of each month, to provide observations with a uniform time delay (see the General
 description).

Special Execution Requirements

As mentioned in the comments of each OB, the two sub-OBs in which the
 dither pattern has been split should be taken very close in time. Consecutively
 would be the best option.

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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Source(s) of Pre-imaging

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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 ?

```
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
```

If you have PSF reference star OBs, do the names of those OBs begin with PSF_ ?

```
N/A
```

If there are Finding Charts attached to your OBs, is the field-of-view of at least one of these charts 2' x 2' (with clearly labelled field orientation) ?

Have you clearly marked and labelled your wavefront reference objects R1, R2, R3, ... (as specified in the NAOS Preparation Software) on your Finding Charts ?

Have you specified the magnitude of the brightest object in the field-of-view for each OB ?

Are there objects in any of your fields (including standard stars) which are brighter than the limits specified in the User Manual and on NACO web Pages ?

If the previous answer is yes, have you given a list of OBs and a justification for the brightness limit violation in the general description field ?

```
N/A
```

Last creation of page: Tue Oct 6 15:40:18 2009
If you have comments, please contact usd-help@eso.org