PACS CoP & PV Review 21/22 Jan 2009 PVSpecWave1 Spectrometer Wavelength Calibration XHSPOT Proposal: PVSpecWave H. Feuchtgruber.

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Presentation transcript:

PACS CoP & PV Review 21/22 Jan 2009 PVSpecWave1 Spectrometer Wavelength Calibration XHSPOT Proposal: PVSpecWave H. Feuchtgruber

PACS CoP & PV Review 21/22 Jan 2009 PVSpecWave2 47” x 47” - Blue array: 400 pixels - Red array: 400 pixels - 2 different blue filters - 3 grating orders - Grating range: positions - Spectral resolution elements: ~3650 (x sampling x time) Description of the Calibration Problem 1 st order 3 rd order 2 nd order 2x

PACS CoP & PV Review 21/22 Jan 2009 PVSpecWave3 PCD Requirements PCD sec : Required accuracy: “Peak position to within 10-20% of a spectral resolution element”

PACS CoP & PV Review 21/22 Jan 2009 PVSpecWave4 XHSPOT Proposal: PVSpecWave (1) CUS AOR NameObservation Name Duration [Sec] PacsCal_WaveCalChopGen PVSpecWave_421C_nStdRS_chopnodorderB_WHya_ PacsCal_WaveCalChopGen PVSpecWave_421C_nStdRS_chopnodorderA_Neptune_ PacsCal_WaveCalChopGen PVSpecWave_421C_nStdRS_chopnodorderA_WHya_ PacsCal_WaveCalChopGen PVSpecWave_421C_nStdRS_chopnodorderB_Neptune_ PacsCal_WaveCalNoChopGen PVSpecWave_421D_nStdLS_nochoporderRed_NGC6302_ PacsCal_WaveCalNoChopGen PVSpecWave_421D_nStdLS_nochoporderRed_NGC6302_ PacsCal_WaveCalNoChopGen PVSpecWave_421D_nStdLS_nochoporderRed_NGC6302_ PacsCal_WaveCalNoChopGen PVSpecWave_421D_nStdLS_nochoporderRed_NGC6302_ PacsCal_WaveCalNoChopGen PVSpecWave_421B_nStdRS_nochoporderA_Jupiter_ PacsCal_WaveCalNoChopGen PVSpecWave_421B_nStdRS_nochoporderB_Jupiter_ PacsCal_WaveCalNoChopGen PVSpecWave_421D_nStdLS_nochoporderA_NGC6302_ PacsCal_WaveCalNoChopGen PVSpecWave_421D_nStdLS_nochoporderA_NGC6302_ PacsCal_WaveCalNoChopGen PVSpecWave_421D_nStdLS_nochoporderB_NGC6302_ PacsCal_WaveCalNoChopGen PVSpecWave_421A_nStdRS_nochoporderA_Jupiter_ PacsCal_WaveCalNoChopGen PVSpecWave_421A_nStdRS_nochoporderA_Jupiter_ PacsCal_WaveCalNoChopGen PVSpecWave_421A_nStdRS_nochoporderB_Jupiter_ PacsCal_WaveCalNoChopGen PVSpecWave_421A_nStdRS_nochoporderB_Jupiter_ PacsCal_WaveCalNoChopGen PVSpecWave_421A_nStdRS_nochoporderB_Jupiter_

PACS CoP & PV Review 21/22 Jan 2009 PVSpecWave5 XHSPOT Proposal: PVSpecWave (2) CUS AOR NameObservation Name Duration [Sec] PacsEng_PacsSpecSlewCalGen PVSpecWave_421B_nStdRS_SlewCalA_Dummy_ PacsEng_PacsSpecSlewCalGen PVSpecWave_421B_nStdRS_SlewCalA_Dummy_ PacsEng_PacsSpecSlewCalGen PVSpecWave_421B_nStdRS_SlewCalA_Dummy_ PacsEng_PacsSpecSlewCalGen PVSpecWave_421B_nStdRS_SlewCalB_Dummy_ PacsEng_PacsSpecSlewCalGen PVSpecWave_421B_nStdRS_SlewCalB_Dummy_ PacsEng_PacsSpecSlewCalGen PVSpecWave_421B_nStdRS_SlewCalB_Dummy_ PacsCal_WaveCalNodRasterGen PVSpecWave_425A_nStdRS_choprasterorderB_IC2501_ PacsCal_WaveCalNodRasterGen PVSpecWave_425A_nStdRS_choprasterorderA_IC2501_ PacsCal_WaveCalNodRasterGen PVSpecWave_425A_nStdRS_choprasterorderA_IC2501_ PacsEng_Spec_CRE_setup_uGen PVSpecWave_421B_nStdCRE_setup_Dummy_00019 PacsEng_Spec_CRE_setup_uGen PVSpecWave_421B_nStdCRE_setup_Dummy_00029 PacsEng_Spec_CRE_setup_uGen PVSpecWave_421B_nStdCRE_setup_Dummy_00039 PacsEng_Spec_CRE_setup_uGen PVSpecWave_421B_nStdCRE_setup_Dummy_00049 PacsEng_Spec_CRE_setup_uGen PVSpecWave_421B_nStdCRE_setup_Dummy_00059 …. more to be filled in according to actual target visibilities !

PACS CoP & PV Review 21/22 Jan 2009 PVSpecWave6 Wavelength Calibration Targets (1) Suitable target list containing strong molecular lines: - PICC-ME-TN-013, ”Use of late type stars for PACS wavelength calibration”, (D. Lutz) -“Photometric and Spectroscopic Calibration of Herschel Instruments with Planets and Satellites”, (Th. Encrenaz, R. Moreno, A. Coustenis) Uranus(H 2 O), Neptune(H 2 O, CO), Saturn(H 2 O, NH 3, PH 3 ) Jupiter (H 2 O, NH 3, PH 3 ; fills entire 5x5 field of view !) Justtanont et al., A&A, 360, (2000), “ISO-LWS observations of rotational CO lines from C-rich objects”

PACS CoP & PV Review 21/22 Jan 2009 PVSpecWave7 Wavelength Calibration Targets (2) Suitable target list containing strong atomic fine-structure lines: -19 selected Planetary Nebulae: IC418, IC2501, NGC5315, He2-131, NGC6210, NGC6543, NGC 6572, SwSt1, BD , NGC6826, IC4997, NGC7027, NGC7662, NGC40, NGC3242, NGC3918, NGC5882, NGC6302, NGC Atomic fine-structure lines within the PACS wavelength range: [OIII]= µm;[NIII]=57.317µm;[OI]=63.184µm; [OIII]=88.356µm; [NII]= µm;[OI]= µm; [CII]= µm;[NII]= µm; - References: 1) ISO , Planetary nebulae to be used as ISO-SWS Astronomical Calibration Sources, H.W.W. Spoon, K.A. van der Hucht, D. Lutz 2) An Infrared Spectral Line List of Astrophysical Interest ( µm) and its use in the SWS and LWS ISO Central Program 3) 4) Liu et al., MNRAS, 323, 343, (2001), “ISO LWS observations of planetary nebula fine-structure lines” [provides also observed line fluxes]

PACS CoP & PV Review 21/22 Jan 2009 PVSpecWave8 PVSpecWave: The spatial situation 43.9” Diameter of Jupiter Mid-Jun-09 as seen from L2 White crosses indicate location of all PACS spectrometer spatial pixels

PACS CoP & PV Review 21/22 Jan 2009 PVSpecWave9 PVSpecWave: Spatial Information about Targets Fluxes of moons and faint ring are being neglected Roll-angle will be important for assigning rotational velocity shifts separately for each spatial pixel (max. Δ λ ~11km/s) Check that no other bright targets come close to Jupiter at actual observation date/time. Require Herschel velocity towards target and doppler shifts

PACS CoP & PV Review 21/22 Jan 2009 PVSpecWave10 Status of Analysis and Uplink Preparation Analysis code (or CAP) is unchanged from FM ILT - Operating system: MS WinXP - Use HIPE to generate L0 products - Use IDL code to derive new calibration parameters - Output = ASCII files of polynomial coefficients for inclusion into pipeline Updated input model spectra for all giant planets are available now covering the entire PACS wavelength range and convolved to the PACS spectral resolution, inclusion of HD lines in progress For the overall calibration strategy and formalism see presentation at the Herschel Calibration Workshop#2 Uplink (1 st version) is defined in X-HSPOT proposal PVSpecWave No relevant SOVT data available for analysis Semi-Automatic calibration procedure

PACS CoP & PV Review 21/22 Jan 2009 PVSpecWave11 Calculated fluxes for 1 spatial pixel

PACS CoP & PV Review 21/22 Jan 2009 PVSpecWave12 Calibration Targets for Molecular Lines Start PV Start Routine Ops Target visibilities (HSPOT)

PACS CoP & PV Review 21/22 Jan 2009 PVSpecWave13 Target visibilities (HSPOT) Calibration on bright PNs Start PV Start Routine Ops selected out of Ref. (1) Monitoring for roll angle/time dependencies etc.