67C0264A.html


Last update of this page: Thu Apr 24 17:45:02 2003
Last update of the USG file: Jul 17 09:42:32 2002

Major Instrument Modes: ISAAC LW imaging, SW imaging + SW polarimetry

RA Range: 7.5-18.4

Constraint set (Typical seeing, Transparency,Airmass, FLI, Moon distance): 0.7 3THN 2.0 1.0 30


Pre-imaging run? No! Chilean run? No! Special calibrations? No!
Time critical? No! ToO? No! Carry-over run? No!


Special Remarks:


 
 
  Long-wavelength imaging and polarimetry of young embedded massive
stars. High spatial resolution is important for the scientific goals. 
Seeing constraint has been relaxed a bit from phase 1 specifications due
to assigned class B.

  One target at 7h, may be done at the very end of P67.

  (NOTE: THE SW PART OF THIS PROGRAM IS ALREADY COMPLETE; WHAT FOLLOWS IS 
ONLY FOR COMPLETENESS):

  Bright stars in the IR may be present in the fields, but NB filters are
used in SW. Object position in the acquisition images should be near the
mid-infrared peak, but user does not have a more suitable finding chart.
One of the targets (at 9h) was not in original proposal. Change has been 
requested based on recent observations by the same team and authorized by 
Visas. Users are aware that due to late submission + early RA + demanding 
seeing constraints + class B priority it will be difficult to schedule this 
one, but it's a high priority for the users and they want to keep it.

  SW OBs include both imaging (in two NB filters) and polarimetry (WARNING: 
OB names for these observations say "imaging", but they are actually 
imaging _and_ polarimetry!). Admitted, as otherwise the execution would be 
very inefficient. For the same reason, three filters admitted in the LW OBs. 
It is the same three filters for all objects, so pressure on calibrations 
does not seem excessive if more than one object is on one night.

  No special scheduling or calibration requirements.


 


Information about the progress of this run:

Run status page 67.C-0264A

README of this run:

67.C-0264A.README