README web version of /home/usg/OPS/MTS/readme_xml/readme_76051800

Principal Investigator Email Address

```
cmelo@eso.org
```

Estimated Total Execution Time (hours, including overheads)

```
11:58:30
```

General Description

Straightforward imaging program of bright proto-binaries aimed to look
 for
additional companions undetected so far.

We have submitted IMAGING OBs  with three different filters: PAH1, PAH2 and SIV.
One source is observed with PERPENDICULAR mode, and the other two with PARALLEL.
In the case of L1551-IRS5 we have selected a chopping angle of 270 (PA=90deg) different
 
from the rotator angle value (= 0deg)

The IRAS 12micron fluxes of the targets are listed below:
SSV63 - 2Jy
L1551NE - 1.2Jy
L1551-IRS5 - 13Jy
They should be the brightest targets in the field.

Waiver Requests

Waiver 076.C-0518A.01.WAV submitted to execute OBs longer than 1 hour.
 Approved on 03.08.05

Critical Observing Condition Constraints

```
N/A
```

Time-Critical Aspects

```
N/A
```

Special Execution Requirements

GENERAL: 

- we have chosen chooping amplitudes between 8"-15" to avoid the overlap with other
 sources 
in the field  (having as a reference the 2MASS images). If this is not the case
 during the 
observations, please,  change  the chopping throw to a suitable value.

L1551_IRS5: 
If the chopping amplitude of 15" does not provide a good IQ (as explained
in the user's manual, p.22), please, reduce it to a smaller value.

A good IQ  is critical for this program since we are looking for close and wide
 binaries.

Thanks!

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

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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
```

If the provided finding chart is at a different wavelength than the observations, did you clearly describe in the README file how to identify the target?

Did you specify a guide star brighter than V=12mag within a field of r=5arcmin around the science target?

```
N/A
```

Last creation of page: Tue Oct 6 15:40:10 2009
If you have comments, please contact usd-help@eso.org