sciOps: NTT Pointing Model

Science Operation Department

NTT Pointing Model Evolution

The pointing model of the NTT is performed by fitting the pointing error of ~60 stars over the whole visible sky using the VLT implementation of TPOINT. The resulting pointing accuracy is typically better than 1". Fig. 1 shows the evolution of the model, and Fig. 2 a typical residual plot.

The complete monitoring of the NTT pointing model can be found here.

Nasmyth A:

Nasmyth B:

Figure 1: Evolution of the Pointing Model

Figure 1: Residuals of the NTT Pointing Model (Nasmyth A, 2001-12-06). The RMS was 0.8"

SciOp: update procedure in Remedy, document: NTT-MAN-ESO-90100-0002 (author: M. Castillo)

Science Operation Department NTT Pointing Model Evolution

Science Operation Department

NTT Pointing Model Evolution