README web version of /home/usg/OPS/MTS/readme_xml/readme_81049300

Principal Investigator Email Address

• wgieren@astro-udec.cl

Estimated Total Execution Time (hours, including overheads)

• 16:55:52

General Description

• The main scope of this part our project is to obtain 7 accurate RV measurements
   for a very blue eclipsing binary in NGC 6822 (with components having spectral type
   O5). In order to get desired 
  S/N ratio a long integration is needed. Therefore each integration was devided into
   three subsequent exposures of about 45 minutes each. Observations should be executed
   close to the both quadratures. 
  For these reasins we devided our OBs into two grups (N6822-I-N*, and N6822-II-N*
   - to be observed close to the orbital phase of 0.75 and 0.25, respectively).

Waiver Requests

• A Waiver Request was submitted and granted (for exposures >1hr) on
   02/11/2008 11:24 AM

Critical Observing Condition Constraints

• Clear conditions, dark sky

Time-Critical Aspects

• See Special Execution Requirements

Special Execution Requirements

• Observations should be executed close to the both quadratures. 
  For this reason we devided our OBs into two grups (N6822-I-N* - to be observed close
   to photometric phase of 0.75 and N6822-II-N* to be observed close to the phase of
   0.25). 
  For each set of OBs, a  file with the nights on which our binary system has the
   appropiate 
  phases was attached as a ephemeris file. Observations should be performed on these
   nights 
  if the other requirements (dark conditions, seeing) specified in the OBs are fullyfied.
  In order to trace out systematics please execute each OB on different night.

Special Calibration Information

• standard calibration

ToO Information

• ---(Empty)---

ToO Activators List

• ---(Empty)---

Is this a Pre-imaging run ?

• false

Pre-imaging Requirements

• ---(Empty)---

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 ?

• YES

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 ?

• YES

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 specified the S/N ratio at given wavelength in the User Comments
 field of each OB?

• YES

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 ?

• 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 ?

• N/A

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

• N/A