NIRC2 Astrometry Page

This page contains information, utilities, and procedures related to NIRC2 Astrometry.

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This section provides IDL source code (graciously provided by Keck Observer Brian Cameron) for removing geometric distortion from NIRC2 images. The use and methodology of the code is well described in the comment headers.

• Source Code
  • nirc2dewarp.pro
  • nirc2dewarp_positions.pro

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This section contains a link to a related report (also provided by Brian).

• Report

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This section contains recommended astrometric calibration fields.

M92	17h 15.6m    +43° 12	Procedure TBD
M15	21h 27.6m    +11° 57	Procedure

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This section contains information related to the NIRC2 position angle.

• Publications that report NIRC2 PA accuracy measurements.
  • Pravdo et al (2006, ApJ, 649, 389)
  • Konopacky et al (2007, AJ, 133, 2008)
  • Liu, Dupuy & Ireland (2008, ApJ, submitted)
    • Text from Liu et al related to PA

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Last modified: Sat Feb 23 2008 21:56:41 HST