---
license: cc-by-4.0
dataset_info:
  features:
  - name: SPECTROFLUX_I
    dtype: float32
  - name: SPECTROFLUX_IVAR_Z
    dtype: float32
  - name: corrections
    struct:
    - name: ecl_lat
      dtype: float32
    - name: ecl_lon
      dtype: float32
    - name: nu_eff_used_in_astrometry
      dtype: float32
    - name: pseudocolour
      dtype: float32
    - name: astrometric_params_solved
      dtype: float32
    - name: rv_template_teff
      dtype: float32
    - name: grvs_mag
      dtype: float32
  - name: SPECTROSYNFLUX_IVAR_U
    dtype: float32
  - name: SPECTROFLUX_IVAR_I
    dtype: float32
  - name: SPECTROSYNFLUX_IVAR_Z
    dtype: float32
  - name: SPECTROFLUX_Z
    dtype: float32
  - name: ZWARNING
    dtype: bool
  - name: photometry
    struct:
    - name: phot_g_mean_mag
      dtype: float32
    - name: phot_g_mean_flux
      dtype: float32
    - name: phot_g_mean_flux_error
      dtype: float32
    - name: phot_bp_mean_mag
      dtype: float32
    - name: phot_bp_mean_flux
      dtype: float32
    - name: phot_bp_mean_flux_error
      dtype: float32
    - name: phot_rp_mean_mag
      dtype: float32
    - name: phot_rp_mean_flux
      dtype: float32
    - name: phot_rp_mean_flux_error
      dtype: float32
    - name: phot_bp_rp_excess_factor
      dtype: float32
    - name: bp_rp
      dtype: float32
    - name: bp_g
      dtype: float32
    - name: g_rp
      dtype: float32
  - name: SPECTROFLUX_U
    dtype: float32
  - name: radial_velocity
    struct:
    - name: radial_velocity
      dtype: float32
    - name: radial_velocity_error
      dtype: float32
    - name: rv_template_fe_h
      dtype: float32
    - name: rv_template_logg
      dtype: float32
    - name: rv_template_teff
      dtype: float32
  - name: SPECTROFLUX_IVAR_R
    dtype: float32
  - name: SPECTROSYNFLUX_IVAR_R
    dtype: float32
  - name: dec
    dtype: float32
  - name: astrometry
    struct:
    - name: ra
      dtype: float32
    - name: ra_error
      dtype: float32
    - name: dec
      dtype: float32
    - name: dec_error
      dtype: float32
    - name: parallax
      dtype: float32
    - name: parallax_error
      dtype: float32
    - name: pmra
      dtype: float32
    - name: pmra_error
      dtype: float32
    - name: pmdec
      dtype: float32
    - name: pmdec_error
      dtype: float32
    - name: ra_dec_corr
      dtype: float32
    - name: ra_parallax_corr
      dtype: float32
    - name: ra_pmra_corr
      dtype: float32
    - name: ra_pmdec_corr
      dtype: float32
    - name: dec_parallax_corr
      dtype: float32
    - name: dec_pmra_corr
      dtype: float32
    - name: dec_pmdec_corr
      dtype: float32
    - name: parallax_pmra_corr
      dtype: float32
    - name: parallax_pmdec_corr
      dtype: float32
    - name: pmra_pmdec_corr
      dtype: float32
  - name: VDISP_ERR
    dtype: float32
  - name: ra
    dtype: float32
  - name: flags
    struct:
    - name: ruwe
      dtype: float32
  - name: SPECTROSYNFLUX_I
    dtype: float32
  - name: SPECTROSYNFLUX_IVAR_I
    dtype: float32
  - name: sdss_object_id
    dtype: string
  - name: gaia_object_id
    dtype: int64
  - name: gspphot
    struct:
    - name: ag_gspphot
      dtype: float32
    - name: ag_gspphot_lower
      dtype: float32
    - name: ag_gspphot_upper
      dtype: float32
    - name: azero_gspphot
      dtype: float32
    - name: azero_gspphot_lower
      dtype: float32
    - name: azero_gspphot_upper
      dtype: float32
    - name: distance_gspphot
      dtype: float32
    - name: distance_gspphot_lower
      dtype: float32
    - name: distance_gspphot_upper
      dtype: float32
    - name: ebpminrp_gspphot
      dtype: float32
    - name: ebpminrp_gspphot_lower
      dtype: float32
    - name: ebpminrp_gspphot_upper
      dtype: float32
    - name: logg_gspphot
      dtype: float32
    - name: logg_gspphot_lower
      dtype: float32
    - name: logg_gspphot_upper
      dtype: float32
    - name: mh_gspphot
      dtype: float32
    - name: mh_gspphot_lower
      dtype: float32
    - name: mh_gspphot_upper
      dtype: float32
    - name: teff_gspphot
      dtype: float32
    - name: teff_gspphot_lower
      dtype: float32
    - name: teff_gspphot_upper
      dtype: float32
  - name: Z_ERR
    dtype: float32
  - name: Z
    dtype: float32
  - name: SPECTROFLUX_R
    dtype: float32
  - name: SPECTROSYNFLUX_G
    dtype: float32
  - name: SPECTROSYNFLUX_IVAR_G
    dtype: float32
  - name: spectral_coefficients
    sequence:
    - name: coeff
      dtype: float32
    - name: coeff_error
      dtype: float32
  - name: VDISP
    dtype: float32
  - name: SPECTROFLUX_IVAR_U
    dtype: float32
  - name: SPECTROSYNFLUX_U
    dtype: float32
  - name: SPECTROFLUX_G
    dtype: float32
  - name: SPECTROFLUX_IVAR_G
    dtype: float32
  - name: SPECTROSYNFLUX_Z
    dtype: float32
  - name: SPECTROSYNFLUX_R
    dtype: float32
  - name: healpix
    dtype: int64
  - name: spectrum
    sequence:
    - name: flux
      dtype: float32
    - name: ivar
      dtype: float32
    - name: lsf_sigma
      dtype: float32
    - name: lambda
      dtype: float32
    - name: mask
      dtype: bool
  splits:
  - name: train
    num_bytes: 2670514170
    num_examples: 41901
  download_size: 2227422107
  dataset_size: 2670514170
configs:
- config_name: default
  data_files:
  - split: train
    path: data/train-*
---
<div align="center">
<img src="https://huggingface.co/datasets/Smith42/sdss_gaia_crossmatched/resolve/main/im.png" alt="samples" width="100%"/>
</div>

#  Crossmatched samples from the Multimodal Universe for SDSS/Gaia

Mother paper here: [https://arxiv.org/abs/2412.02527](arxiv.org/abs/2412.02527)