README web version of /home/usg/OPS/MTS/readme_xml/readme_80507701

Principal Investigator Email Address

• csnodgra@eso.org

Estimated Total Execution Time (hours, including overheads)

• 3 hours

General Description

• Monitoring of activity starting on comet 103P. 3 monitoring OBs, each
   1 hour long, to take deep R band image. To be started after run A is completed.
  
  Other than the fact that the target is moving and the exposure times need to be
   adjusted based on the ephemeris file (see execution requirements section below)
   this is simple imaging. Standard calibrations please.
  
  Note that the ephemeris file has positions, exposure times, total number of exposures,
   and an estimate of the expected nucleus magnitude assuming that the comet is inactive.
   It has one line every 10 minutes whenever the comet is above the airmass cut off
   and the moon is down, but it doesn't move so fast that the position needs to be
   updated every 10 minutes. One position at about the midtime of the OB execution
   will keep the comet in the FOV.

Waiver Requests

• No Waiver Request was submitted

Critical Observing Condition Constraints

• Dark time required as target is faint. Reasonable seeing required to look
   for faint activity. NB that if seeing is considerably better than 0.5" exposure
   times should be decreased in proportion to the seeing (and number of exposures increased).

Time-Critical Aspects

• Please complete run A first!
  
  Monitoring program. Please spread OBs throughout P81 (target visible until mid September).
   No more than 1 OB per month. Also, the first OB should be taken around a month after
   the run A OBs (which act as a separate first monitoring epoch).

Special Execution Requirements

• Although this is a moving target, we want to track at the sidereal rate
   - do NOT add an additional velocity! This is so we can use the stars to measure
   the image PSF and compare the comet PSF to look for faint activity. To do this we
   have to keep the exposures short, and these depend on the rate of motion (exposure
   times are given for 0.5" motion. If the seeing is much better than this the times
   should be reduced and the number of exposures increased). The ephemeris file lists
   the position at each possible time in P81 along with the exposure time and the number
   of exposures that will give a total OB of 1 hours at that epoch. PLEASE UPDATE THE
   EXPOSURE TIME AND NUMBER OF TELESCOPE OFFSETS as well as the RA & DEC position
   to the values listed in the ephemeris file at execution time. Note that the OB is
   set up to continue looping around 4 jitter positions for the total number of exposures
   (= number of offset positions), so there is no need to update the list of offset
   positions - p2pp will automatically repeat from the start of the list.
  
  Please also check the first few images to make sure that the comet is not too close
   to any bright stars.

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

• ---(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 ?

• N/A

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?

• YES

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 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