README.md

metadata

license: cc-by-sa-4.0
dataset_info:
  features:
    - name: SPECTROFLUX_U
      dtype: float32
    - name: SPECTROSYNFLUX_I
      dtype: float32
    - name: Z_ERR
      dtype: float32
    - name: VDISP
      dtype: float32
    - name: FLUX_IVAR_Z
      dtype: float32
    - name: SPECTROSYNFLUX_IVAR_G
      dtype: float32
    - name: SPECTROSYNFLUX_IVAR_I
      dtype: float32
    - name: SPECTROFLUX_I
      dtype: float32
    - name: FIBERFLUX_G
      dtype: float32
    - name: sdss_Z
      dtype: float32
    - name: desi_Z
      dtype: float32
    - name: VDISP_ERR
      dtype: float32
    - name: FLUX_IVAR_G
      dtype: float32
    - name: SPECTROFLUX_IVAR_U
      dtype: float32
    - name: FLUX_R
      dtype: float32
    - name: SPECTROSYNFLUX_IVAR_R
      dtype: float32
    - name: SPECTROSYNFLUX_R
      dtype: float32
    - name: FIBERTOTFLUX_G
      dtype: float32
    - name: FIBERTOTFLUX_R
      dtype: float32
    - name: SPECTROSYNFLUX_G
      dtype: float32
    - name: SPECTROFLUX_IVAR_R
      dtype: float32
    - name: SPECTROFLUX_G
      dtype: float32
    - name: FLUX_Z
      dtype: float32
    - name: sdss_object_id
      dtype: string
    - name: desi_object_id
      dtype: string
    - name: FIBERFLUX_R
      dtype: float32
    - name: SPECTROSYNFLUX_IVAR_Z
      dtype: float32
    - name: SPECTROFLUX_IVAR_Z
      dtype: float32
    - name: SPECTROFLUX_IVAR_I
      dtype: float32
    - name: SPECTROSYNFLUX_IVAR_U
      dtype: float32
    - name: SPECTROFLUX_R
      dtype: float32
    - name: FLUX_IVAR_R
      dtype: float32
    - name: ZERR
      dtype: float32
    - name: FIBERTOTFLUX_Z
      dtype: float32
    - name: SPECTROFLUX_Z
      dtype: float32
    - name: SPECTROFLUX_IVAR_G
      dtype: float32
    - name: SPECTROSYNFLUX_Z
      dtype: float32
    - name: EBV
      dtype: float32
    - name: FLUX_G
      dtype: float32
    - name: ZWARN
      dtype: bool
    - name: ZWARNING
      dtype: bool
    - name: SPECTROSYNFLUX_U
      dtype: float32
    - name: FIBERFLUX_Z
      dtype: float32
    - name: sdss_spectrum
      sequence:
        - name: flux
          dtype: float32
        - name: ivar
          dtype: float32
        - name: lsf_sigma
          dtype: float32
        - name: lambda
          dtype: float32
        - name: mask
          dtype: bool
    - name: desi_spectrum
      sequence:
        - name: flux
          dtype: float32
        - name: ivar
          dtype: float32
        - name: lsf_sigma
          dtype: float32
        - name: lambda
          dtype: float32
        - name: mask
          dtype: bool
      length: 7781
  splits:
    - name: train
      num_bytes: 2592884975
      num_examples: 13794
  download_size: 1762212984
  dataset_size: 2592884975
configs:
  - config_name: default
    data_files:
      - split: train
        path: data/train-*
tags:
  - astronomy
size_categories:
  - 10K<n<100K

Crossmatched samples from the Multimodal Universe for DESI/SDSS

Mother paper here: https://arxiv.org/abs/2412.02527