The Nysa family as the main source of unequilibrated LL ordinary chondrites

This archive contains the spectral dataset and the full versions of the appendix tables associated with the analysis of the Nysa asteroid family and LL-chondrite analogs presented in the publication "The Nysa family as the main source of unequilibrated LL ordinary chondrites" by Marsset et al. (2026), published in A&A. Files- Nysa_spectra.zip- Table_B.1.dat- Table_C.1.dat- Table_D.1.dat- Tables_B.1_C.1_D.1.xlsx Dataset 1Filename: Nysa_spectra.zipDescription: New reflectance spectra of Nysa family members obtained with the NASA Infrared Telescope Facility (IRTF) under Program ID 2025A016 (PI: Marsset). Table 1Filename: Table_B.1.datDescription: LL chondrites considered in this work. Columns1. meteorite: meteorite name2. type: petrologic / meteoritic type3. database: source database4. spectral_file: associated spectral filename5. chi2_nysa: chi-square value relative to the mean Nysa family spectrum6. chi2_flora: chi-square value relative to the mean Flora family spectrum7. best: best-matching family analog8. Q: fit-quality flag Table 2Filename: Table_C.1.datDescription: Members of the Flora, Eunomia, and Nysa families considered in this work. Columns1. number: asteroid number2. name: asteroid name3. designation: provisional or alternate designation4. spectral_file: associated spectral filename5. a_au: semimajor axis in au6. e: eccentricity7. i_deg: inclination in degrees8. H: absolute magnitude9. family: asteroid family assignment10. ol_over_ol_plus_opx: ol/(ol+opx)11. ol: olivine abundance value12. opx: orthopyroxene abundance value13. GS: grain size value in micron14. c_s: space parameter value Table 3Filename: Table_D.1.datDescription: LL-chondrite-like near-Earth asteroids (NEOs) considered in this work. Columns1. number: asteroid number2. name: asteroid name3. designation: provisional or alternate designation4. spectral_file: associated spectral filename5. a_au: semimajor axis in au6. e: eccentricity7. i_deg: inclination in degrees8. H: absolute magnitude9. ol_over_ol_plus_opx: ol/(ol+opx)10. chi2_nysa: chi-square relative to the mean Nysa family spectrum11. chi2_flora: chi-square relative to the mean Flora family spectrum12. best: best-matching family analog Table 4Filename: Tables_B.1_C.1_D.1.xlsxDescription: Compilation of Tables B.1, C.1, and D.1 in Microsoft Excel format.