README web version of /home/usg/OPS/MTS/readme_xml/readme_82046100

Principal Investigator Email Address

• agarcia@iac.es

Estimated Total Execution Time (hours, including overheads)

• 24 hours

General Description

• We want to obtain high resolution (R~50,000) and high S/N (>100 in
   the continuum) CRIRES spectra at six different wavelength regions in the H and K
   bands, taken with the 0.4" slit (see the submitted OBs). All target stars (IRAS
   objects) are very bright (with HK magnitudes between 1-2 and 4-5) but they are strongly
   variable (up to 1-2 magnitudes). All the corresponding telluric stars (HIPPARCOS
   stars) are also very bright objects (with HK magnitudes betweeen 2 and 5) and they
   need to be observed before or after the sciende targets. All targets (science and
   telluric stars) are by far the brightest objects in the field of view (50"x50").
   2MASS K-band finding charts (with a size of 1' x 1' with the standard orientation,
   see the finding charts where all of this info is given) are also attached for each
   OB. Note that we expect these observations to be carried out with bad weather conditions
   and AO is not needed. 
  
  From our previous experience with similar instrumentation and due to the variable
   character of the sources in the sample, we have submitted OBs which according to
   the ETC avoid saturation in the best weather conditions (e.g. seeing=1.4" and a
   extinction of 0.3 mags) but will give a sufficient S/N (at least 100 in the continuum)
   for the worst weather conditions (e.g. seeing=2.0" and a extinction of 2 mags).
   The same applies to the standard telluric stars. The OBs of the telluric standars
   stars (spectral type B) are called as "CAL_science_Name" and we have submitted a
   telluric standard star for each science target.

Waiver Requests

• No Waiver Request was submitted

Critical Observing Condition Constraints

• This program is perfect as a gap filler in case seeing/weather conditions
   become too bad for other type of observations. We have submitted a list of targets
   which can be observed during all semester. There are no critical observing conditions
   constraints.

Time-Critical Aspects

• The submitted target list contains objects covering almost all R.A.. There
   are no time-critical aspects.

Special Execution Requirements

• As we have mentioned before (see the General description Section), we
   want to reach a minimum S/N of 100. There are no special execution requirements.

Special Calibration Information

• Note that we would need flats and calibration lamps for each of the six
   wavelength settings to be observed.

ToO Information

• ---(Empty)---

ToO Activators List

• ---(Empty)---

Do the README file and the instrument comments of the telluric stars
 OBs include the required S/N/pixel of the spectrum of the telluric star, its spectral
 type and allowed spectral range?

• N/A

Do any OBs include wavelength or flatfield calibrations?

• NO

If you are observing Moving Targets, have you attached suitable ephemeris
 files to your OBs?

• N/A

If the slit viewer guide star is different from the target, are the RA
 and DEC offsets accurate to within 0.05 arcsec and do they take into account the
 relative proper motion between the two objects?

• N/A

If you have preferences which OBs should be executed first for objects
 at similar RA, did you make use of the User Priority field in the OBs?

• YES