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---
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
[](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}
}
``` |