Two Micron All Sky Survey Photometric Calibration Information

• 2MASS Photometric Calibration Strategy Document
  
  
• 2MASS Primary Standard Star Summary Table and Finding Charts
  
  
• Global Chi-Squared Minimization Derivation of Secondary Standards (S. Nikolaev)
  
  
• History of Updates to Standard Star Lists (S. Wheelock)
  
  
• Nightly Photometric Zero Point Plots
  
  
  Zero Point plot description
  
  
• Nightly Photometric Calibration Summary Files
  
  
  Summary file description
  
  
• Examples of Scan Overlap Photometric Statistics
  
  
  • Mean differential scan-to-scan photometric offsets
    
  • Mean block-cumulative scan-to-scan photometric offsets
    
  
  
• Calibration Field Photometric Biases



• LMC/SMC Secondary Standards - Mike Skrutskie's page



• Large-scale Calibration Analyses



• Nightly Photometric Zero Point Uncertainties



• Higher order fits to the JHK calibration zeropoints



• An Analysis of 2MASS Internal Photometric Calibration Accuracy and Comparative Accuracy of Night Zero Point Offset Algorithms