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metadata
license: cc-by-sa-4.0
configs:
  - config_name: default
    data_files:
      - split: train
        path: data/train-*
      - split: validation
        path: data/validation-*
      - split: test
        path: data/test-*
dataset_info:
  features:
    - name: dr8_id
      dtype: string
    - name: ra
      dtype: float64
    - name: dec
      dtype: float64
    - name: brickid
      dtype: int32
    - name: objid
      dtype: int32
    - name: smooth-or-featured_smooth_fraction
      dtype: float32
    - name: smooth-or-featured_featured-or-disk_fraction
      dtype: float32
    - name: smooth-or-featured_artifact_fraction
      dtype: float32
    - name: disk-edge-on_yes_fraction
      dtype: float32
    - name: disk-edge-on_no_fraction
      dtype: float32
    - name: has-spiral-arms_yes_fraction
      dtype: float32
    - name: has-spiral-arms_no_fraction
      dtype: float32
    - name: bar_strong_fraction
      dtype: float32
    - name: bar_weak_fraction
      dtype: float32
    - name: bar_no_fraction
      dtype: float32
    - name: bulge-size_dominant_fraction
      dtype: float32
    - name: bulge-size_large_fraction
      dtype: float32
    - name: bulge-size_moderate_fraction
      dtype: float32
    - name: bulge-size_small_fraction
      dtype: float32
    - name: bulge-size_none_fraction
      dtype: float32
    - name: how-rounded_round_fraction
      dtype: float32
    - name: how-rounded_in-between_fraction
      dtype: float32
    - name: how-rounded_cigar-shaped_fraction
      dtype: float32
    - name: edge-on-bulge_boxy_fraction
      dtype: float32
    - name: edge-on-bulge_none_fraction
      dtype: float32
    - name: edge-on-bulge_rounded_fraction
      dtype: float32
    - name: spiral-winding_tight_fraction
      dtype: float32
    - name: spiral-winding_medium_fraction
      dtype: float32
    - name: spiral-winding_loose_fraction
      dtype: float32
    - name: spiral-arm-count_1_fraction
      dtype: float32
    - name: spiral-arm-count_2_fraction
      dtype: float32
    - name: spiral-arm-count_3_fraction
      dtype: float32
    - name: spiral-arm-count_4_fraction
      dtype: float32
    - name: spiral-arm-count_more-than-4_fraction
      dtype: float32
    - name: spiral-arm-count_cant-tell_fraction
      dtype: float32
    - name: merging_none_fraction
      dtype: float32
    - name: merging_minor-disturbance_fraction
      dtype: float32
    - name: merging_major-disturbance_fraction
      dtype: float32
    - name: merging_merger_fraction
      dtype: float32
    - name: file_name
      dtype: string
    - name: iauname
      dtype: string
    - name: est_petro_th50
      dtype: float64
    - name: mag_r_desi
      dtype: float32
    - name: mag_g_desi
      dtype: float32
    - name: mag_z_desi
      dtype: float32
    - name: petro_theta
      dtype: float32
    - name: petro_th50
      dtype: float32
    - name: petro_th90
      dtype: float32
    - name: petro_phi50
      dtype: float32
    - name: petro_phi90
      dtype: float32
    - name: petro_ba50
      dtype: float32
    - name: petro_ba90
      dtype: float32
    - name: elpetro_ba
      dtype: float32
    - name: elpetro_phi
      dtype: float32
    - name: elpetro_flux_r
      dtype: float32
    - name: elpetro_theta_r
      dtype: float32
    - name: elpetro_mass
      dtype: float32
    - name: sersic_n
      dtype: float32
    - name: sersic_ba
      dtype: float32
    - name: sersic_phi
      dtype: float32
    - name: elpetro_absmag_f
      dtype: float32
    - name: sersic_nmgy_f
      dtype: float32
    - name: elpetro_absmag_n
      dtype: float32
    - name: sersic_nmgy_n
      dtype: float32
    - name: elpetro_absmag_u
      dtype: float32
    - name: sersic_nmgy_u
      dtype: float32
    - name: elpetro_absmag_g
      dtype: float32
    - name: sersic_nmgy_g
      dtype: float32
    - name: elpetro_absmag_r
      dtype: float32
    - name: sersic_nmgy_r
      dtype: float32
    - name: elpetro_absmag_i
      dtype: float32
    - name: sersic_nmgy_i
      dtype: float32
    - name: elpetro_absmag_z
      dtype: float32
    - name: sersic_nmgy_z
      dtype: float32
    - name: redshift_nsa
      dtype: float32
    - name: mag_f
      dtype: float32
    - name: mag_n
      dtype: float32
    - name: mag_u
      dtype: float32
    - name: mag_g
      dtype: float32
    - name: mag_r
      dtype: float32
    - name: mag_i
      dtype: float32
    - name: mag_z
      dtype: float32
    - name: u_minus_r
      dtype: float32
    - name: elpetro_mass_log
      dtype: float32
    - name: dr7objid_ossy
      dtype: float64
    - name: ra_ossy
      dtype: float64
    - name: dec_ossy
      dtype: float64
    - name: redshift_ossy
      dtype: float64
    - name: log_l_oiii
      dtype: float64
    - name: fwhm
      dtype: float64
    - name: e_fwhm
      dtype: float64
    - name: equiv_width
      dtype: float64
    - name: log_l_ha
      dtype: float64
    - name: log_m_bh
      dtype: float64
    - name: upper_e_log_m_bh
      dtype: float64
    - name: lower_e_log_m_bh
      dtype: float64
    - name: log_bolometric_l
      dtype: float64
    - name: ra_alf
      dtype: float64
    - name: dec_alf
      dtype: float64
    - name: W50
      dtype: float64
    - name: sigW
      dtype: float64
    - name: W20
      dtype: float64
    - name: HIflux
      dtype: float64
    - name: sigflux
      dtype: float64
    - name: SNR
      dtype: float64
    - name: RMS
      dtype: float64
    - name: Dist
      dtype: float64
    - name: sigDist
      dtype: float64
    - name: logMH
      dtype: float64
    - name: siglogMH
      dtype: float64
    - name: ra_jhu
      dtype: float32
    - name: dec_jhu
      dtype: float32
    - name: fibre_sfr_avg
      dtype: float32
    - name: fibre_sfr_entropy
      dtype: float32
    - name: fibre_sfr_median
      dtype: float32
    - name: fibre_sfr_mode
      dtype: float32
    - name: fibre_sfr_p16
      dtype: float32
    - name: fibre_sfr_p2p5
      dtype: float32
    - name: fibre_sfr_p84
      dtype: float32
    - name: fibre_sfr_p97p5
      dtype: float32
    - name: fibre_ssfr_avg
      dtype: float32
    - name: fibre_ssfr_entropy
      dtype: float32
    - name: fibre_ssfr_median
      dtype: float32
    - name: fibre_ssfr_mode
      dtype: float32
    - name: fibre_ssfr_p16
      dtype: float32
    - name: fibre_ssfr_p2p5
      dtype: float32
    - name: fibre_ssfr_p84
      dtype: float32
    - name: fibre_ssfr_p97p5
      dtype: float32
    - name: total_ssfr_avg
      dtype: float32
    - name: total_ssfr_entropy
      dtype: float64
    - name: total_ssfr_flag
      dtype: float64
    - name: total_ssfr_median
      dtype: float32
    - name: total_ssfr_mode
      dtype: float32
    - name: total_ssfr_p16
      dtype: float32
    - name: total_ssfr_p2p5
      dtype: float32
    - name: total_ssfr_p84
      dtype: float32
    - name: total_ssfr_p97p5
      dtype: float32
    - name: total_sfr_avg
      dtype: float32
    - name: total_sfr_entropy
      dtype: float64
    - name: total_sfr_flag
      dtype: float32
    - name: total_sfr_median
      dtype: float32
    - name: total_sfr_mode
      dtype: float32
    - name: total_sfr_p16
      dtype: float32
    - name: total_sfr_p2p5
      dtype: float32
    - name: total_sfr_p84
      dtype: float32
    - name: total_sfr_p97p5
      dtype: float32
    - name: photoz_id
      dtype: float64
    - name: ra_photoz
      dtype: float64
    - name: dec_photoz
      dtype: float64
    - name: photo_z
      dtype: float64
    - name: photo_zerr
      dtype: float64
    - name: spec_z
      dtype: float64
    - name: mag_abs_g_photoz
      dtype: float64
    - name: mag_abs_r_photoz
      dtype: float64
    - name: mag_abs_z_photoz
      dtype: float64
    - name: mass_inf_photoz
      dtype: float64
    - name: mass_med_photoz
      dtype: float64
    - name: mass_sup_photoz
      dtype: float64
    - name: sfr_inf_photoz
      dtype: float64
    - name: sfr_sup_photoz
      dtype: float64
    - name: ssfr_inf_photoz
      dtype: float64
    - name: ssfr_med_photoz
      dtype: float64
    - name: ssfr_sup_photoz
      dtype: float64
    - name: sky_separation_arcsec_from_photoz
      dtype: float64
    - name: redshift
      dtype: float64
    - name: est_petro_th50_kpc
      dtype: float64
    - name: __index_level_0__
      dtype: int64
  splits:
    - name: train
      num_bytes: 7885463871
      num_examples: 8474566
    - name: validation
      num_bytes: 80485046
      num_examples: 86499
    - name: test
      num_bytes: 80457410
      num_examples: 86471
  download_size: 3096436101
  dataset_size: 8046406327
tags:
  - astronomy
  - huggingscience
  - science
size_categories:
  - 1M<n<10M
galaxy text

Galaxy metadata for pairing with `smith42/galaxies' dataset

Here we have metadata for ~8.5 million galaxies. This metadata can be paired with galaxy jpg cutouts from the DESI legacy survey DR8, the cut outs are found here: https://huggingface.co/datasets/Smith42/galaxies.

I've split away 1% of the metadata into a test set, and 1% into a validation set. The remaining 98% of the metadata comprise the training set.

Useful links

Paper here: https://arxiv.org/abs/2405.14930

Models here: https://huggingface.co/Smith42/astroPT

Code here: https://github.com/smith42/astroPT

Upstream catalogue is on Zenodo and paper describing the catalogue is available as Walmsley+2023.

If you find this dataset useful please consider citing the sources below 🚀🚀:

@article{ref_dey2019,
    author = {Dey, A. and Schlegel, D. J. and Lang, D. and Blum, R. and Burleigh, K. and Fan, X. and Findlay, J. R. and Finkbeiner, D. and Herrera, D. and Juneau, S. and others},
    title = {{Overview of the DESI Legacy Imaging Surveys}},
    journal = {Astronomical Journal},
    volume = {157},
    number = {5},
    pages = {168},
    year = {2019},
    issn = {1538-3881},
    publisher = {The American Astronomical Society},
    doi = {10.3847/1538-3881/ab089d}
}
@article{ref_walmsley2023,
    author = {Walmsley, M. and G{\ifmmode\acute{e}\else\'{e}\fi}ron, T. and Kruk, S. and Scaife, A. M. M. and Lintott, C. and Masters, K. L. and Dawson, J. M. and Dickinson, H. and Fortson, L. and Garland, I. L. and others},
    title = {{Galaxy Zoo DESI: Detailed morphology measurements for 8.7M galaxies in the DESI Legacy Imaging Surveys}},
    journal = {Monthly Notices of the Royal Astronomical Society},
    volume = {526},
    number = {3},
    pages = {4768--4786},
    year = {2023},
    issn = {0035-8711},
    publisher = {Oxford Academic},
    doi = {10.1093/mnras/stad2919}
}
@article{ref_smith2024,
    author = {Smith, M. J. and Roberts, R. J. and Angeloudi, E. and Huertas-Company, M.},
    title = {{AstroPT: Scaling Large Observation Models for Astronomy}},
    journal = {ArXiv e-prints},
    year = {2024},
    eprint = {2405.14930},
    doi = {10.48550/arXiv.2405.14930}
}