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Source Model Data

1D pure-hydrogen (DA) NLTE spectra

Source data
Info

Convection model is 1D ML2/alpha = 0.8

Main references
Tremblay, P.-E., Bergeron, P. & Gianninas, A. (2011) ApJ, 730, 128.
Kowalski P. M. & Saumon D. (2006) ApJL, 651, L137.

With line profiles from
Tremblay, P.-E. & Bergeron, P. (2009) ApJ, 696, 1755.

Note: source model atmospheres are available upon request.

For spectroscopic fitting 3D corrections should be added for accurate atmospheric parameters. For photometric fitting 1D models are sufficient but please check the 3D grid and reference below for UV photometry. The link below provides 3D correction functions in Fortran and IDL.

3D corrections

Main reference

Tremblay, P.-E., Ludwig, H.-G., Steffen, M. & Freytag, B. (2013) A&A, 559, A104.

1D helium-rich (DB/DBA/DC) LTE spectra

Source data
Info

Convection model is 1D ML2/alpha = 1.25

Main references
Cukanovaite, E., Tremblay, P.-E., Bergeron, P., et al. (2021) MNRAS, 501, 5274.

Note: source model atmospheres are available upon request.

For spectroscopic fitting 3D corrections should be added for accurate atmospheric parameters. For photometric fitting 1D models are sufficient. The link below provides 3D correction functions as a Python code.

Cukanovaite, E., Tremblay, P.-E., Bergeron, P., et al. (2021) MNRAS, 501, 5274.

⟨3D⟩ pure-hydrogen (DA) LTE spectra

Source data
Info

Main references

Tremblay, P.-E., Ludwig, H.-G., Steffen, M. & Freytag, B. (2013) A&A, 559, A104.
Tremblay, P.-E., Gianninas, A., Kilic, M., et al. (2015) ApJ, 809, 148.

With line profiles from
Tremblay, P.-E. & Bergeron, P. (2009) ApJ, 696, 1755.

Note: source model atmospheres (3D data cubes) are available upon request.

Photometric absolute magnitudes (colours)

Survey // Composition pure-H pure-He H/He = 1e-2 H/He = 1e-5 H/He = 1e-8
Gaia EDR3 download download download download download
Pan-STARRS download download download download download
SDSS download download download download download
2MASS download download download download download
WISE download download download download download
GALEX download download download download download

Main references
Tremblay, P.-E., Bergeron, P. & Gianninas, A. (2011) ApJ, 730, 128.
Kowalski P. M. & Saumon D. (2006) ApJL, 651, L137.
Cukanovaite, E., Tremblay, P.-E., Bergeron, P., et al. (2021) MNRAS, 501, 5274.
Fontaine G., Brassard P. & Bergeron P. (2001) PASP 113, 409.

Note: SkyMAPPER, UBVRI, UKIDSS and VHS available upon request.

Hydrogen Stark broadening profiles including non-ideal gas effects

Source data
Info file

Main references

Tremblay, P.-E. & Bergeron, P. (2009) ApJ, 696, 1755.