Observation Summary

OBSID:1342215697
Instrument:PACS
AOR label:Bright 1 - HOPS 30 - 8368359-569052
Proposal:KPOT_tmegeath_2
Target:8368359-569052
Actual RA:5h 34m 44.17s
Actual Dec.:-5° 41' 25.32''
Purpose:Undefined
Concat.:1342215693,1342215694,1342215695,1342215696,1342215697,1342215698
OD:665
Start:2011-03-10T15:52:19.000000 TAI (1678463539000000)
Duration:3079.0 seconds (incl. spacecraft on-target slew time)

AOT and instrument configuration:

AOT:PacsRangeSpec
Mode:Pointed, unchopped grating scan
Bands:B3A 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 1blue2B2A,B3A57.00071.00050.50971.207420.14Yes, partlyprime
-red102R1--170.377213.155420.14Noparallel
Range 2red103R1102.000142.000101.192142.405420.14Noprime
-blue3B2A--50.50971.207420.14Yes, partlyparallel
(*) = requested in HSPOT

System configuration summary

SPG pipeline version:SPG v14.2.2
SPG pipeline products creation date:2017-01-18T08:20:46.981000 TAI (1863418846981000)
Mission configuration:MC_H66ASTR_P60ASTR_S61ASTR_RP
Processed to level:RED: 2.5 BLUE: 2.5
Quality Control:PASSED
Action:NONE

Quality comments

Due to an instrument anomaly the grating movement was inhibited during the first repetition of a range, for each raster position.
The data have been pipeline processed correctly, but the SNR will be lower than expected due to the fewer repeats on the spectral range than requested.
On source observation in an unchopped range-scan pair; matched with the off-source observation 1342215695
The offset between the central spaxel and the requested sky coordinates is  1.72" 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.