README web version of /home/usg/OPS/MTS/readme_xml/readme_75068500

Principal Investigator Email Address

• suz@ast.cam.ac.uk

Estimated Total Execution Time (hours, including overheads)

• 49 h 58 m 40 s

General Description

• The goal of the program is to photometrically monitor (in the I-band)
   stars down to and beyond the substellar limit to search for eclipses by planets
   and brown dwarfs.
  
  In each OB we cycle between 4 fields (called fields 1, 2, 3 & 4). The acquisition
   is done on field 1, then one cycles between the fields using offsets between exposures,
   each of which is 2 minutes long. Each OB is 59 min long and covers 4 cycles. A finding
   chart for each field has been attached to each OB. The field positions were chosen
   to avoid a few very bright stars while containing as many known candidate brown
   dwarfs as possible (we have candidate brown dwarfs in this area from a previous
   study of the cluster)
  
  Note that we have double checked using Monte Carlo simulations) that this cycling
   approach is more efficient (from the point of view of detecting eclipsing binaries
   and transiting planets) than an approach where one observes one field for one hour,
   then another, etc... Even though the latter approach would have lower overheads,
   it would not allow sufficient phase coverage in each field.

Waiver Requests

• No Waiver Request was submitted

Critical Observing Condition Constraints

• We need clear conditions and airmass < 1.7 to achieve the photometric
   precision required to detect planetary transits. Seeing is not critical, neither
   is lunar illumination so long as the moon is more than 30 degrees away from our
   target.

Time-Critical Aspects

• There are no time-critical aspects

Special Execution Requirements

• Our program will benefit if, when the conditions permit it, several of
   our OBs are executed consecutively.

Special Calibration Information

• No special calibrations are required.

ToO Information

• N/A

ToO Activators List

• N/A

Is this a Pre-imaging run ?

• false

Pre-imaging Requirements

• N/A

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 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

Did you set 'New Preset' flag in all acquisition templates to 'True'?

• YES

Have all your submitted OBs the same filter for the acquisition template
 and for the first science template?

• YES

Did you combine calibration templates with science templates for any
 OB?

• NO

Did you combine imaging and spectroscopic templates for any OB?

• NO

Did you submit any Focus template?

• NO