Observation Summary

AOR label:Calibration_RPSpecFlux_1-RPSpecFlux_433B_nStdRange_UnchopFluxB2B_BetPegOff_0001
Target:Beta Peg Off
Actual RA:23h 3m 46.45s
Actual Dec.:28° 7' 56.17''
Start:2010-06-06T16:05:15.000000 TAI (1654531515000000)
Duration:368.0 seconds (incl. spacecraft on-target slew time)

AOT and instrument configuration:

Mode:Pointed, unchopped grating scan
Bands:B2B R1 (prime diffraction orders selected)
Sampling:High (default spectral mapping)
Nod cycles:1

System configuration summary

SPG pipeline version:SPG v14.2.0
SPG pipeline products creation date:2016-07-23T16:07:02.956000 TAI (1847981222956000)
Mission configuration:MC_H42_P49_S55_CAL
Processed to level:RED: 2.0 BLUE: 2.0
Quality Control:PASSED

Quality comments

Off source observation in an unchopped range-scan pair; matched with the on-source observation 1342197835
The offset between the central spaxel and the requested sky coordinates is  2.84" in the dispersion direction.
If the target is point-like and is offset from the centre of a spaxel in the dispersion direction, the spectral line 
profiles will develop a skew. This skewed Gaussian profile becomes more extreme as the offset increases. 
Be aware that this can be confused with real velocity structure.
This will affect spectra from a single spaxel of a rebinned cube (products with filenames "..hps3dr[r|b].."), 
and combined spaxel-spectra, i.e. added rebinned cube spaxels, or single spaxels from an interpolated or projected cube
(products with filenames "..hps3di[r|b].." or "..hps3dp[r|b].."). See the "PACS Handbook" for more information.