README web version of /home/usg/OPS/MTS/readme_xml/readme_80900100

Principal Investigator Email Address

• meise@mpia-hd.mpg.de

Estimated Total Execution Time (hours, including overheads)

• 9

General Description

• This programme aims at obtaining a uniform set of data located at the
   ecliptic poles in preparation of the GAIA mission. In essence we need as accurate
   photometry and astrometry as possible. In order to pre calibrate and test Gaia as
   it opens up for its initial operations this data needs to go significantly deeper
   than Gaia. 
  Each of the object OBs consists of two dithers (standard 5 point dither pattern)
   of 5x5x10 secs and 5x5x160 secs (for the R passband the exposure time for the long
   exposures is 120 instead of 160 secs).
  These OBs are made for good observing conditions (i.e. photometric, good seeing,
   <1.2") - please also see section "Special Execution Requirements" for details
   of how this programme should be observed in less than optimal conditions. The moon
   is per definition always more than 85 degrees away from our field. We set the limit
   for the lunar phase to 0.5. 
  Apart from the object exposures we require bias and Flat field frames, as specified
   by the calibration plan. For your convenience we have however created Landolt standard
   OBs (only VRI) based on the Calplan ones downloadaed from the ESO webpage with U,B
   deleted). We also created sky and dome flat OBs as well as BIAS OBs. It is probably
   better to use those already in the system than these homegrown OBs. In case of questions
   please contact either the PI (Klaus Meisenheimer, see below) or
  Martin Altmann (maltmann@ari.uni-heidelberg.de), who assembled these OBs.

Waiver Requests

• No Waiver Request was submitted

Critical Observing Condition Constraints

• Constraints: PHO for at least the short (10 s) exposures, for the longer
   exposures CLR is okay. In cases of very limited PHO conditions we only need PHO
   for the short exposures of the central field, CESPF-C. 
  The seeing should not be worse than 1.2". 
  The moon is per definition between 85 and 95 degrees from our target at the SEP.
   The lunar phase should be less than about 0.7. 
  The hour angle for the object frames should be smaller than +-3 hrs and must be
   smaller than +-4hrs because of differential chromatic refraction.

Time-Critical Aspects

• We do not have time critical aspects other than the H.A. limit.

Special Execution Requirements

• The Object OBs are as is made for good observing conditions, i.e. clear
   photometric conditions, wind, seeing etc. If the ambient conditions do not allow
   the execution of all OBs under photometric conditions, i.e. due to variable transparency,
   the OB should be split into two parts (one with the long, the other one with the
   short exposures), and the short one shoudl be observed under photometric condition
   while the long exposures can be observed under non photometrical conditions. The
   resulting long exposures can then be calibrated, using the photometric short exposures.
   If photometric time is very limited, photometric data only needs to be obtained
   for the central field (CSEPF-C). All other exposures can also be taken under CLEAR
   conditions. 
  This way we keep the process as efficient in terms of time comsumption and as flexible
   in terms of weather dependency.

Special Calibration Information

• We need the standard calibration plan only, i.e. sky- and dome-flats in
   V,R,I, bias and standard fields on at least one photometric night (for this point
   please also see Special execution requirements). For completeness we have included
   OBs for some landolt fields. We have only chosen those fields in our hour angle
   range that are regularly used by ESO (see the according webpage). The standard field
   OBs are adapted original ESO calibration plan OBs, with adapted meaning the U and
   B filter deleted and a finder chart based on the original Landolt exposures added.
   We do not submit a focus template OB.

ToO Information

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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 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 ?

• YES

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