Observation Summary

OBSID:1342215690
Instrument:PACS
AOR label:Bright 2 - HOPS 310 - 8561532-133361
Proposal:KPOT_tmegeath_2
Target:8561532-133361
Actual RA:5h 42m 27.86s
Actual Dec.:-1° 20' 0.55''
Purpose:Undefined
Concat.:1342215689,1342215690,1342215691,1342215692
OD:665
Start:2011-03-10T10:54:44.000000 TAI (1678445684000000)
Duration:1930.0 seconds (incl. spacecraft on-target slew time)

AOT and instrument configuration:

AOT:PacsRangeSpec
Mode:Pointed, unchopped grating scan
Bands:B2B R1 (prime diffraction orders selected)
Sampling:Nyquist (with spectral dithering if range repetition > 1)
Nod cycles:1

Observation block summary

Name(*)CameraIDBand(*)ReqWaveMin(*)ReqWaveMax(*)WaveMinWaveMaxRepetitions(*)ActualRepCapacitanceOutOfBandChannel
micrometermicrometermicrometermicrometerpF
Range 1blue2B2B71.00098.00070.65698.169420.14Noprime
-red102R1--141.275196.283420.14Noparallel
(*) = requested in HSPOT

System configuration summary

SPG pipeline version:SPG v14.2.0
SPG pipeline products creation date:2017-01-14T09:52:06.321000 TAI (1863078726321000)
Mission configuration:MC_H66ASTR_P60ASTR_S61ASTR_RP
Processed to level:RED: 2.5 BLUE: 2.5
Quality Control:PASSED
Action:NONE

Quality comments

On source observation in an unchopped range-scan pair; matched with the off-source observation 1342215692
The offset between the central spaxel and the requested sky coordinates is  3.02" 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.