README web version of /home/usg/OPS/MTS/readme_xml/readme_79063400
Principal Investigator Email Address
Estimated Total Execution Time (hours, including overheads)
General Description
The main goal of our XMM-Newton Distant Cluster Project (XDCP) is the
identification of very distant (z>1) X-ray luminous clusters of galaxies.
This identification program consists of one 16min R_special-band and one 8min z_Gunn-band
images which is sufficient to detect an overdensity of red galaxies out to z~1.5.
It is essential for the scientific goals to obtain accurate z- and R-band photometry.
Calibration for the R_SPECIAL filter can be obtained as part of the standard calibration
program. We are aware that z_Gunn standard star observations are not part of the
Standard Calibration plan, however in a previous P78 programme we agreed with USD
(Nando Patat) that these photometric standard observations should not be charged
on this run, provided that they are executed in twilight (see section 'Special Calibration
Information' for details). This explains why the Total Execution Time below is larger
than the allocated time.
Total time on targets: 5.9h (6.0 allocated)
Twilight Calibration: 1.7h
Total Execution time: 7.6h
The regular targets (IM+PRE) are within the allocated time; the extra time is due
to the TWI OBs which should be free of charge.
The OBs also contain four PRE-imaging OBs in the R-band, (for which z and H band
data are already available from other telescopes).
Waiver Requests
Critical Observing Condition Constraints
Time-Critical Aspects
Special Execution Requirements
Special Calibration Information
Every night that one or more science OBs are executed in Photometric conditions
(each OB is a differen target), one photometric standard should be observed in Z_Gunn
from the provided Sloan standard (Smith et al. 2002) provided (OBs called CAL*).
For the 4 pre-imaging targets (PRE) no additional calibration is required since
only the R-special filter is observed.
The exposure time of 1 sec for these standards stars (all fainter than 11.5 in R)
should be adequate to get >~10000 ADU, but please double check the peak value
to make sure is not saturated.
The z-standard calibration observations should be performed during twighlight ('free
of charge'), using the OBs with prefix 'TWI'. Again, please observe at least one
'twighlight z-standard' for every night science targets are observed.
(This procedure was suggested by Ferdinando Patat for the P78 observations.)
ToO Information
ToO Activators List
Is this a Pre-imaging run ?
Pre-imaging Requirements
Source(s) of Pre-imaging
Pre-imaging sources not listed above
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 ?
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 ?
Have you included OBs for any calibrations that you need but which are
not part of the Calibration Plan ?
If you are observing Moving Targets, have you attached suitable ephemeris
files to your OBs?
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 ?
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 ?
Last creation of page: Tue Oct 6 15:40:19 2009
If you have comments, please contact usd-help@eso.org