Observation Summary
| OBSID: | 1342226186 |
| Instrument: | PACS |
| AOR label: | geers_PSpecL_OI_63um_MML17 |
| Proposal: | OT1_vgeers_2 |
| Target: | MML17-1 |
| Actual RA: | 12h 22m 33.37s |
| Actual Dec.: | -53° 33' 50.25'' |
| Redshift: | 0.0 (z) |
| Purpose: | --- |
| Concat.: | --- |
| OD: | 823 |
| Start: | 2011-08-14T11:42:19.000000 TAI (1692013339000000) |
| Duration: | 4204.0 seconds (incl. spacecraft on-target slew time) |
AOT and instrument configuration:
| AOT: | PacsLineSpec |
| Mode: | Pointed, Chop/Nod |
| Bands: | B3A R1 (prime diffraction orders selected) |
| Is bright: | NO (default range mode) |
| Chopper: | small throw |
| Nod cycles: | 5 |
Observation block summary
| Name(*) | Camera | ID | Band(*) | Wave(*) | WaveMin | WaveMax | Repetitions(*) | ActualRep | Capacitance | OutOfBand | Channel |
| | | | micrometer | micrometer | micrometer | | | pF | | |
O I 3P1-3P2 | blue | 2 | B3A | 63.185 | 62.934 | 63.440 | 2 | 2 | 0.14 | No | prime |
- | red | 102 | R1 | - | 188.771 | 190.305 | 2 | 2 | 0.14 | No | parallel |
(*) = requested in HSPOT
System configuration summary
| SPG pipeline version: | SPG v14.2.0 |
| SPG pipeline products creation date: | 2016-07-25T21:47:02.961000 TAI (1848174422961000) |
| Mission configuration: | MC_H88ASTR_P67ASTR_S63ASTR_RP |
| Processed to level: | RED: 2.0 BLUE: 2.0 |
| Quality Control: | PASSED |
| Action: | NONE |
Quality comments
The offset between the central spaxel and the requested sky coordinates is 1.82" 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.