README web version of /home/usg/OPS/MTS/readme_xml/readme_81018900

Principal Investigator Email Address

• Ansgar.Reiners@phys.uni-goettingen.de

Estimated Total Execution Time (hours, including overheads)

• 13.0

General Description

• This is an investigation of individual absorption lines in sun-like stars
   and low-mass stars. Most of the project focuses on FeI lines at 1562nm and TiI lines
   at 2226nm. A few observations at 1243nm and 2207nm are included. Lines in these
   spectral regions are magnetically sensitive and the magentic flux will be derived
   from them. High S/N is required, on the order of 300-500 in the bright targets and
   around 100 in the faintest ones.
  
  We use three free wavelength setups and one standard setup (see waiver). 
  The correct usage of the reference wavelengths is important because some crucial
   lines fall near to the edges of the individual detectors.
  
  We do not need telluric standard observations for individual targets. Instead, we
   have added one telluric standard star that can be observed at any time regardless
   of any particular airmass. The wavelength regions of interest or not strongly affected
   by telluric lines.
  
  Most of our targets are very bright and they are single stars, so that finding charts
   are not necessary (see waiver). In other cases we provide finding charts. Five objects,
   HD131156, HD165341, HD197964, HD131977, and LHS1070, are multiple systems in which
   we ask to put two targets in the slit. This is indicated in the finding chart. 
  LHS 1070 is a triple systems and two of the three components should be observed
   as indicated in the finding chart.

Waiver Requests

• Waiver 081.D-0189A.01 was granted:
  
  1. Use free wavelength setups
  2. Skip the finder charts for obvious targets

Critical Observing Condition Constraints

• none

Time-Critical Aspects

• none

Special Execution Requirements

• no special requirements

Special Calibration Information

• No special calibration required.
  We added one star that we will use as telluric reference star, HD135382. It can
   be observed at any time regardless of airmass.

ToO Information

• NA

ToO Activators List

• NA

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?

• YES

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?

• N/A