Technical Reports

DU12 - Photometric calibration models for G and BP/RP: 

• • GAIA-C5-PL-UB-CJ-049 DU12 plan for activities in the last year before launch 

General principles of internal calibration: 

• • • GAIA-C5-TN-UB-CF-012-01. Proposal for internal calibration of XP spectra 

    • GAIA-C5-TN-UB-CF-008-01.BP and RP processes Discussion of alternatives 

    • GAIA-C5-TN-UB-CF-006-01. Proposal for the calibration of BP and RP spectra 

    • GAIA-C5-TN-UB-CJ-042-01. Proposal for the internal calibration of fluxes 

    • GAIA-C5-TN-UB-CF-016-01. Proposal for the XP processing data flow 

Photometric relationships: 

• • • lambda_eff and SSC relationships with V-I: GAIA-C5-TN-UB-JMC-014 

Full forward model 

• • • GAIA-C5-TN-OABO-PMN-005. Planning an experiment on source and instrument update XP processing 

    • GAIA-C5-TN-UB-JMC-011. Design proposal for elements of the BP/RP full-forward model 

    • GAIA-C5-TN-UB-MW-005 XP Calibration by Forward Modeling. Part I - General Formulation 

Instrument characteristics: 

• • • GAIA-C5-TN-UB-HV-003-01. Characteristics of Gaia CCDs - specifications and test results 

Sensitivity: 

• • • GAIA-C5-TN-UB-HV-002. Investigations of calibration models for the instrumental sensitivity 

    • GAIA-C5-TN-UB-HV-004-01. Test of sensitivity calibration models with data based on information from industry 

    • GAIA-C5-TN-UB-JMC-012. XP & G passbands sensitivity calibration 

Dispersion & LSF: 

• • • GAIA-C5-TN-UB-JMC-003. Chi-squared minimisation for wavelength calibration 

    • GAIA-C5-TN-UB-JMC-006-01. A simple calibration model for BP/RP spectra 

    • GAIA-C5-TN-UB-JMC-008. Testing the aij model for the internal BP/RP calibration 

Flux loss: 

• • • GAIA-C5-TN-UB-HV-001-02. AC flux loss analysis for AF and BP/RP 

    • GAIA-C5-TN-UB-JMC-013 AL & AC flux losses in XP passbands 

    • GAIA-C5-TN-UB-JMC-015. AC differential flux loss calibration in XP spectra 

Epoch spectra calibration: 

• • • GAIA-C5-TN-UB-JMC-010. Approaches to epoch spectra calibration 

Error model: 

• • • GAIA-C5-TN-UB-CJ-043. Error model for the mean BP RP spectra for GOG cycle 4 simulations 

    • GAIA-C5-TN-UB-CJ-047. Error model for photometry and spectrophotometry 

Link between Gaia spectrophotometry and passband calibration: 

• • • GAIA-C5-TN-UB-JMC-016. Link between XP passband and spectra calibration (draft) 

DU13 - Ground-based observations: 

Strategy definition: 

• • • GAIA-C5-TN-OABO-EP-007-1. Ground-based observations of the Gaia Spectrophotometric Standard Stars Present status and future steps 

    • GAIA-C5-TN-OABO-GA-001. The Primary standards for the establishment of SPSS 

    • GAIA-C5-TN-OABO-LF-001. Absolute calibration of Gaia photometric data II 

    • GAIA-C5-TN-UB-JMC-001. Selection of standard stars for absolute flux calibration 

    • GAIA-C5-TN-UB-JMC-002. Revolving phase effect to FoV overlapping and its application to primary SPSS 

Carry-out observations: 

• • • GAIA-C5-TN-OABO-EP-001. Protocol for Ground Based Observations of SpectroPhotometric Standard Stars I 

    • GAIA-C5-TN-OABO-EP-003. Protocol for Ground Based Observations of SpectroPhotometric Standard Stars. II. Variability Searches and Absolute Photometry Campaigns 

    • GAIA-C5-TN-OABO-EP-006-0. Protocol for Ground Based Observations of SpectroPhotometric Standard Stars III. Main Spectrophotometric Campaign 

    • GAIA-C5-TN-UB-JMC-005. Observing protocol with CAFOS@CAHA itemized 

    • GAIA-C5-TN-UB-JMC-007. Observing protocol with LARUCA@SPM itemized 

Data reduction: 

• • • GAIA-C5-TN-OABO-SMR-001 Data Reduction Protocol for Ground Based Observations of SpectroPhotometric Standard Stars. I. Imaging Pre-reduction 

    • GAIA-C5-TN-UB-JMC-004. IRAF procedure to reduce SPSS Calar Alto observations 

    • Altavilla & Carrasco, 2008. Notes on the absolute spectroscopic calibration. The “NARROW SLIT” strategy 

    • GAIA-C5-TN-OABO-GA-004. Instrument Familiarization Plan for ground based observations of SPSS. I. CCD Shutter Characterization and Linearity Evaluation 

    • GAIA-C5-TN-OABO-GCC-001. Data Reduction Protocol for Ground Based Observation of Spectrophotometric Standard Stars. II. Spectroscopy Pre-reduction up to extraction and wavelength calibration 

DU16 - Selection of reference stars: 

• • GAIA-C5-TN-UB-BLM-001-01. Sources with spectral features as seen by Gaia BP/RP 1 

  • GAIA-C5-TN-UB-MG-001. Absolute wavelength calibration for BP/RP using Chi-squared minimisation 

  • GAIA-C5-TN-UB-MG-003. Absolute wavelength calibration for BP/RP using Chi-squared minimization II 

  • GAIA-C5-TN-UB-MG-002. Absolute wavelength calibration of BP/RP spectra using the centroiding procedure 

  • GAIA-C5-TN-UB-JMC-009. Selection of reference sources for the internal calibration (draft) 

  • GAIA-C5-PL-UB-CJ-050 DU16 plan for activities in the last year before launch 

PE - Payload Experts: 

• • GAIA-CH-TN-UB-JMC-017. Checking XP dispersion during commissioning 

  • GAIA-CH-TN-UB-JMC-018. Contamination effects on XP spectra 

  • GAIA-C5-TN-UB-JMC-019. Tilt effects on XP spectra