--- pretty_name: "Galaxy Image Description Benchmark" license: mit tags: - astronomy - galaxy-zoo - galaxy-morphology - benchmark dataset_info: features: - name: image_rgb dtype: image - name: ra dtype: float64 - name: dec dtype: float64 - name: object_id dtype: string - name: image_array list: list: list: float32 - name: decision_tree dtype: string - name: iauname dtype: string - name: redshift dtype: float64 - name: elpetro_absmag_r dtype: float64 - name: sersic_nmgy_r dtype: float64 - name: petro_th50 dtype: float64 - name: petro_th90 dtype: float64 - name: petro_theta dtype: float64 - name: upload_group dtype: string - name: active_learning_on dtype: bool - name: in_gzd_ab dtype: bool - name: png_loc dtype: string - name: smooth-or-featured_total-votes dtype: int64 - name: smooth-or-featured_smooth dtype: int64 - name: smooth-or-featured_smooth_fraction dtype: float64 - name: smooth-or-featured_featured-or-disk dtype: int64 - name: smooth-or-featured_featured-or-disk_fraction dtype: float64 - name: smooth-or-featured_artifact dtype: int64 - name: smooth-or-featured_artifact_fraction dtype: float64 - name: disk-edge-on_total-votes dtype: int64 - name: disk-edge-on_yes dtype: int64 - name: disk-edge-on_yes_fraction dtype: float64 - name: disk-edge-on_no dtype: int64 - name: disk-edge-on_no_fraction dtype: float64 - name: has-spiral-arms_total-votes dtype: int64 - name: has-spiral-arms_yes dtype: int64 - name: has-spiral-arms_yes_fraction dtype: float64 - name: has-spiral-arms_no dtype: int64 - name: has-spiral-arms_no_fraction dtype: float64 - name: bar_total-votes dtype: int64 - name: bar_strong dtype: int64 - name: bar_strong_fraction dtype: float64 - name: bar_weak dtype: int64 - name: bar_weak_fraction dtype: float64 - name: bar_no dtype: int64 - name: bar_no_fraction dtype: float64 - name: bulge-size_total-votes dtype: int64 - name: bulge-size_dominant dtype: int64 - name: bulge-size_dominant_fraction dtype: float64 - name: bulge-size_large dtype: int64 - name: bulge-size_large_fraction dtype: float64 - name: bulge-size_moderate dtype: int64 - name: bulge-size_moderate_fraction dtype: float64 - name: bulge-size_small dtype: int64 - name: bulge-size_small_fraction dtype: float64 - name: bulge-size_none dtype: int64 - name: bulge-size_none_fraction dtype: float64 - name: how-rounded_total-votes dtype: int64 - name: how-rounded_round dtype: int64 - name: how-rounded_round_fraction dtype: float64 - name: how-rounded_in-between dtype: int64 - name: how-rounded_in-between_fraction dtype: float64 - name: how-rounded_cigar-shaped dtype: int64 - name: how-rounded_cigar-shaped_fraction dtype: float64 - name: edge-on-bulge_total-votes dtype: int64 - name: edge-on-bulge_boxy dtype: int64 - name: edge-on-bulge_boxy_fraction dtype: float64 - name: edge-on-bulge_none dtype: int64 - name: edge-on-bulge_none_fraction dtype: float64 - name: edge-on-bulge_rounded dtype: int64 - name: edge-on-bulge_rounded_fraction dtype: float64 - name: spiral-winding_total-votes dtype: int64 - name: spiral-winding_tight dtype: int64 - name: spiral-winding_tight_fraction dtype: float64 - name: spiral-winding_medium dtype: int64 - name: spiral-winding_medium_fraction dtype: float64 - name: spiral-winding_loose dtype: int64 - name: spiral-winding_loose_fraction dtype: float64 - name: spiral-arm-count_total-votes dtype: int64 - name: spiral-arm-count_1 dtype: int64 - name: spiral-arm-count_1_fraction dtype: float64 - name: spiral-arm-count_2 dtype: int64 - name: spiral-arm-count_2_fraction dtype: float64 - name: spiral-arm-count_3 dtype: int64 - name: spiral-arm-count_3_fraction dtype: float64 - name: spiral-arm-count_4 dtype: int64 - name: spiral-arm-count_4_fraction dtype: float64 - name: spiral-arm-count_more-than-4 dtype: int64 - name: spiral-arm-count_more-than-4_fraction dtype: float64 - name: spiral-arm-count_cant-tell dtype: int64 - name: spiral-arm-count_cant-tell_fraction dtype: float64 - name: merging_total-votes dtype: int64 - name: merging_none dtype: int64 - name: merging_none_fraction dtype: float64 - name: merging_minor-disturbance dtype: int64 - name: merging_minor-disturbance_fraction dtype: float64 - name: merging_major-disturbance dtype: int64 - name: merging_major-disturbance_fraction dtype: float64 - name: merging_merger dtype: int64 - name: merging_merger_fraction dtype: float64 - name: wrong_size_statistic dtype: float64 - name: wrong_size_warning dtype: bool datasets: - legacy --- # Description Benchmark based on GalaxyZoo [![arXiv](https://img.shields.io/badge/arXiv-2512.11982-b31b1b.svg)](https://arxiv.org/abs/2512.11982) A small sample of the GZ-DECaLS dataset to cheaply test the ability of vision-language models to describe galaxy images. # Data source The underlying catalog data are derived from the Galaxy Zoo DECaLS: Detailed Visual Morphology Measurements from Volunteers and Deep Learning for 314,000 Galaxies and remain subject to their original data-use policy and required acknowledgements. # Embeddings Citation ``` @misc{koblischke2025semantic, title={Semantic search for 100M+ galaxy images using AI-generated captions}, author={Nolan Koblischke and Liam Parker and Francois Lanusse and Irina Espejo Morales and Jo Bovy and Shirley Ho}, year={2025}, eprint={2512.11982}, archivePrefix={arXiv}, primaryClass={astro-ph.IM}, url={https://arxiv.org/abs/2512.11982}, } ``` # GZ-DECaLS Dataset Citation ``` @dataset{walmsley_mike_2020_4573248, author = {Walmsley, Mike and Lintott, Chris and Tobias, Geron and Kruk, Sandor J and Krawczyk, Coleman and Willett, Kyle and Bamford, Steven and Kelvin, Lee S and Fortson, Lucy and Gal, Yarin and Keel, William and Masters, Karen and Mehta, Vihang and Simmons, Brooke and Smethurst, Rebecca J and Smith, Lewis and Baeten, Elisabeth M L and Macmillan, Christine}, title = {{Galaxy Zoo DECaLS: Detailed Visual Morphology Measurements from Volunteers and Deep Learning for 314,000 Galaxies}}, month = dec, year = 2020, publisher = {Zenodo}, version = {0.0.2}, doi = {10.5281/zenodo.4573248}, url = {https://doi.org/10.5281/zenodo.4573248} } ```