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The Synthetic Stellar
Spectra Database POLLUX

Stellar spectra collections

Some collections are only accessible upon request as members of designated consortia. You may ask for access by sending a message to the e-mail address provided in the CONTACT section of the welcome page of this webpage.

AMBRE

Based on MARCS model atmospheres and TURBOSPECTRUM spectral synthesis
VIS (3 000 to 12 000 AA) spectral range

Teff ∈ [3500K; 8000K] | Logg ∈ [0.0; 5.5]
[Fe/H] ∈ [-5.0; 1.0] | [alpha/Fe] ∈ [-0.4; 0.8]
Resolution > 150 000

Produced by P. de Laverny (OCA, Nice)
Number of spectra: 12927 | Total size: 36090.81MB (Flat)

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BT-Dusty

Based on PHOENIX model atmospheres
VIS (3 000 to 12 000 AA) and IR (12 000 to 200 000 AA) spectral ranges

Teff ∈ [2000K; 6000K] | Logg ∈ [0.5; 5.5]
[Fe/H] ∈ [0.0; 0.0]
Resolution > 100 000

Produced by F. Allard (CRAL, ENS-Lyon)
Number of spectra: 754 | Total size: 3318.6MB (Flat)

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CMFGEN

Based on CMFGEN model atmospheres
UV (900 to 3 000 AA) , VIS (3 000 to 12 000 AA) and IR (12 000 to 25 000 AA) spectral ranges

Teff ∈ [12020K; 63880K] | Logg ∈ [2.0; 4.51]
[Fe/H] ∈ [-1.48; 0.32]
Resolution > 150 000

Produced by F. Martins (LUPM, Montpellier)
Number of spectra: 927 | Total size: 813.66MB (Flat)

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CMFGEN-OB-LMC-24

Based on CMFGEN model atmospheres
UV (900 to 3 000 AA), VIS (3 000 to 12 000 AA) and IR (12 000 to 25 000 AA) spectral ranges

Teff ∈ [23000K; 55000K] | Logg ∈ [2.6; 4.4]
[Fe/H] ∈ [-0.3; -0.3] (metallicity of the Large Magellanic Cloud)
Resolution > 81 000

Produced by J.-C. Bouret (LAM, Marseille)
Number of spectra: 816 | Total size: 582.69MB (Flat)

CMFGEN-OB-LMC-24-SED

Based on CMFGEN model atmospheres

Teff ∈ [23000K; 55000K] | Logg ∈ [2.6; 4.4]
[Fe/H] ∈ [-0.73; -0.73] (metallicity of the Large Magellanic Cloud)
Resolution = 20 000

Produced by J.-C. Bouret (LAM, Marseille)
Number of spectra: 272 | Total size: 294.37MB (Flat)

CMFGEN-OB-SMC-24

Based on CMFGEN model atmospheres
UV (900 to 3 000 AA), VIS (3 000 to 12 000 AA) and IR (12 000 to 25 000 AA) spectral ranges

Teff ∈ [23000K; 55000K] | Logg ∈ [2.5; 4.5]
[Fe/H] ∈ [-0.73; -0.73] (metallicity of the Small Magellanic Cloud)
Resolution > 81 000

Produced by F. Martins(LUPM, Montpellier)
Number of spectra: 915 | Total size: 629.58MB (Flat)

CMFGEN-OB-SMC-24-SED

Based on CMFGEN model atmospheres

Teff ∈ [23000K; 55000K] | Logg ∈ [2.5; 4.5]
[Fe/H] ∈ [-0.73; -0.73] (metallicity of the Small Magellanic Cloud)
Resolution = 20 000

Produced by F. Martins (LUPM, Montpellier)
Number of spectra: 305 | Total size: 335.65MB (Flat)

CMFGEN-SED

Based on CMFGEN model atmospheres

Teff ∈ [20638K; 63880K] | Logg ∈ [2.4; 4.51]
[Fe/H] ∈ [-1.48; 0.0]
Resolution = 20 000

Produced by F. Martins (LUPM, Montpellier)
Number of spectra: 245 | Total size: 253.32MB (Flat)

CMFGEN-WR

Based on CMFGEN model atmospheres
VIS (3 000 to 12 500 AA) spectral range

T* ∈ [33780K; 74300K] | Log (L/Lsun) ∈ [5.3; 5.9]
[Fe/H] ∈ [0.0; 0.0]
Resolution > 150 000

Produced by F. Martins (LUPM, Montpellier)
Number of spectra: 11 | Total size: 22.51MB (Flat)

CMFGEN-WR-SED

Based on CMFGEN model atmospheres

T* ∈ [33780K; 74300K] | Log (L/Lsun) ∈ [5.3; 5.9]
[Fe/H] ∈ [0.0; 0.0]
Resolution = 20 000

Produced by F. Martins (LUPM, Montpellier)
Number of SED: 11 | Total size: 24.03MB (Flat)

PLATO

RESTRICTED ACCESS

Based on MARCS model atmospheres and TURBOSPECTRUM NLTE 2.0 spectral synthesis
VIS (4 000 to 9 000 AA) spectral range

Teff ∈ [4502K; 7000K] | Logg ∈ [3.0; 5.0]
[Fe/H] ∈ [0.0; 0.0]
Resolution > 500 000

Produced by the PLATO collaboration WP 122100
Number of spectra: 1991 | Total size: 11251.25MB (Flat)

PLATO-INTENSITY

RESTRICTED ACCESS

Intensity spectra based on MARCS model atmospheres and TURBOSPECTRUM NLTE 2.0 spectral synthesis
VIS (4 000 to 9 000 AA) spectral range

Teff ∈ [4502K; 7000K] | Logg ∈ [3.0; 5.0]
[Fe/H] ∈ [0.0; 0.0]
Inclination angles μ = cos(θ) ∈ [0.01; 1]
Resolution > 500 000

Produced by the PLATO collaboration WP 122100
Number of spectra: 23892 | Total size: 132939.22MB (Flat)

PLATO-SED

RESTRICTED ACCESS

Sampled surface fluxes of the MARCS model atmospheres

Teff ∈ [2500K; 8000K] | Logg ∈ [3.5; 5.5]
[Fe/H] ∈ [-1.0; 1.0]
Resolution = 20 000

Produced by the PLATO collaboration WP 122100
Number of spectra: 4448 | Total size: 3307.88MB (Flat)

POPSYCLE

Based on ATLAS12 model atmospheres
Dedicated to the modelling of multiple stellar populations in globular clusters
VIS (2 900 to 10 100 AA) spectral range

Teff ∈ [3800K; 14000K] | Logg ∈ [1.0; 5.5]
[Fe/H] ∈ [-1.58; -0.47] | [alpha/Fe] ∈ [0.4; 0.4]
Resolution > 295 000

Produced by V. Branco (Universidade de Sao Paolo, Brazil)
Number of spectra: 1389 | Total size: 3529.72MB (Flat)

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RSG

Based on MARCS model atmospheres and TURBOSPECTRUM spectral synthesis
IR (10 000 to 50 000 AA) spectral range

Teff ∈ [3300K; 4500K] | Logg ∈ [-0.5; 1.0]
[Fe/H] ∈ [0.0; 0.0]
Resolution > 150 000

Produced by E. Josselin and P. Hernandez Cascales (LUPM, Montpellier)
Number of spectra: 40 | Total size: 136.32MB (Flat)

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STAGGER

Based on STAGGER 3D RHD model atmospheres and OPTIM3D spectral synthesis
UV (2 000 to 3 000 AA), VIS (3 000 to 12 000 AA) and IR (12 000 to 200 000 AA) spectral ranges

Teff ∈ [3899K; 7000K] | Logg ∈ [1.5; 5.0]
[Fe/H] ∈ [-4.0; 0.5] | [alpha/Fe] ∈ [0.0; 0.4]
Resolution = 20 000

Produced by A. Chiavassa (OCA, Nice)
Number of spectra: 543 | Total size: 179.93MB (Flat)

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STAGGER-INTENSITY

Intensity spectra based on STAGGER 3D RHD model atmospheres and OPTIM3D spectral synthesis
UV (2 000 to 3 000 AA), VIS (3 000 to 12 000 AA) and IR (12 000 to 200 000 AA) spectral ranges

Teff ∈ [3899K; 7000K] | Logg ∈ [1.5; 5.0]
[Fe/H] ∈ [-4.0; 0.5] | [alpha/Fe] ∈ [0.0; 0.4]
Resolution = 20 000
Inclination angles μ = cos(θ) ∈ [0.01; 0.05; 0.1; 0.2; 0.3; 0.5; 0.7; 0.8; 0.9; 1.0]

Produced by A. Chiavassa (OCA, Nice)
Number of spectra: 5373 | Total size: 1763.51MB (Flat)

STAGGER-RVS

Based on STAGGER 3D RHD model atmospheres
Gaia RVS optical range (8395 to 8905 AA)

Teff ∈ [3899K; 7000K] | Logg ∈ [1.5; 5.0]
[Fe/H] ∈ [-2.0; 0.5] | [alpha/Fe] ∈ [0.0; 0.4]
Resolution = 300 000

Produced by A. Chiavassa (OCA, Nice)
Number of spectra: 122 | Total size: 26.92MB (Flat)