The file includes equivalent widths EW_LTE (mA) and NLTE abundance corrections: NLTE - LTE (dex). The NLTE corrections are provided for lines with EW(LTE) < 3 mA.
Everywhere, we use MARCS model atmospheres. Collisions with H I atoms are treated with the Drawinian rates (S_H = 1).

The NLTE abundance corrections are given for 42 lines of Ti I and 54 lines of Ti II.

1. Ti1_2_NLTE_corrections_4000-5000_g0.5-2.5.dat 
Teff = 4000 K to 5000~K, with a 250 K step, log g = 0.5 to 2.5, with a 0.5 step, [Fe/H] = 0, -1.0, -2.0, -2.5, -3.0, -3.5, -4.0. 
For [Fe/H] = -3.5, we use the model atmospheres obtained by an interpolation with the FORTRAN-based routine written by Thomas Masseron (http://marcs.astro.uu.se).

When using the data from Ti1_2_NLTE_corrections_4000-5000_g0.5-2.5.dat in your research, cite please
Mashonkina, Sitnova, Pakhomov, 2016, Astronomy Letters, 42, 606.