README web version of /home/usg/OPS/MTS/readme_xml/readme_83025201

Principal Investigator Email Address

```
gbattagl@eso.org
```

Estimated Total Execution Time (hours, including overheads)

```
26.9947
```

General Description

These OBs refer to 2 calibrating stellar clusters (NGC104 and NGC7078)
 and the Phoenix dI/dSph. This submission completes the allocated observing time.
 

The OBs do not need to be done in the same night. 

Please carefully check the centering of the targets on the slits, expecially for
 pointing 02. 

The constrain on airmass has been slightly relaxed for the stellar 
clusters (can be less than 1.7), while for the science target Phoenix should be
 less than 1.5.

The moon illumination constraint has been relaxed for fields 02, 03, 14 (it is now
 0.6)

The goal is to acquire spectra of red giant branch stars in both the 2 globular
 clusters and Phoenix, 
using FORS in MXU mode. The line-of-sight velocities and CaII triplet EW derived
 from the stellar clusters spectra will be used to calibrate the science observations
 
of the Phoenix dI/dSph.

Waiver Requests

We submitted a target change request on 11th of July 2009. In the request
 we asked to 
observe the stellar cluster NGC104 instead of Pal11. The target change request was
 
approved on 14th of Jult 2009.

Critical Observing Condition Constraints

Seeing <= 1" , airmass < 1.7 , clear sky for NGC7078 and NGC104.

Seeing <= 1", airmass < 1.5, clear sky for the Phoenix dI/dSph.

Time-Critical Aspects

```
No time-critical aspects
```

Special Execution Requirements

---(Empty)---

Special Calibration Information

---(Empty)---

ToO Information

---(Empty)---

ToO Activators List

---(Empty)---

Is this a Pre-imaging run ?

```
false
```

Pre-imaging Requirements

---(Empty)---

Source(s) of Pre-imaging

```
FORS2
```

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 prepared your finding charts with tools other than FIMS, do they comply with the specifications on the FORS1 Phase 2 web page ?

```
N/A
```

Last creation of page: Tue Oct 6 15:40:29 2009
If you have comments, please contact usd-help@eso.org