nsb2 Stellar Dataset: repackaged Gaia DR3 subset

Simplified Gaia DR3 subset prepared for simulating stellarcontributions to the night-sky background in the nsb2 package. Contents - gaiadr3.npy - subset of Gaia DR3 for stars with G<15 - gaia_mag15plus.npy - Gaia DR3 stars map with G ≥ 15 Source data and credits - Gaia DR3 - Credit: ESA, Gaia DPAC. License This repackaged dataset is distributed under the CC BY-NC 3.0 IGO license, matching the terms under which ESA distributes Gaia data. See ESA'sGaia Data License and the ESA Science Archives Terms and Conditions.Commercial use requires a separate arrangement with ESA. Required acknowledgement for Gaia Any publication making use of this dataset must include the verbatim Gaiaacknowledgement: This work has made use of data from the European Space Agency (ESA) missionGaia (https://www.cosmos.esa.int/gaia), processed by the Gaia DataProcessing and Analysis Consortium (DPAC,https://www.cosmos.esa.int/web/gaia/dpac/consortium). Funding for the DPAChas been provided by national institutions, in particular the institutionsparticipating in the Gaia Multilateral Agreement. See the official Gaia DR3 credit and citation instructions for full requirements. Citations - Gaia Collaboration, Prusti, T., de Bruijne, J. H. J., et al. 2016, "The Gaia mission", A&A, 595, A1. DOI: 10.1051/0004-6361/201629272- Gaia Collaboration, Vallenari, A., Brown, A. G. A., et al. 2023, "Gaia Data Release 3", A&A, 674, A1. DOI: 10.1051/0004-6361/202243940