juliensimon/rave-dr6

RAVE DR6 Stellar Parameters

Part of the Astronomy Datasets collection on Hugging Face.

The Radial Velocity Experiment (RAVE) Data Release 6 is the final release of this major southern-hemisphere stellar spectroscopic survey. It contains 518,387 spectral observations of ~452,000 unique stars, providing radial velocities, stellar atmospheric parameters (effective temperature, surface gravity, metallicity), and individual elemental abundances.

Dataset description

RAVE observed stars in the magnitude range 9 < I < 12 using the 6dF multi-object spectrograph on the 1.2m UK Schmidt Telescope at the Australian Astronomical Observatory. The survey operated from 2003 to 2013, covering the calcium triplet region (8410-8795 A) at a spectral resolution of R ~ 7500.

DR6 provides radial velocities with a typical accuracy of ~1 km/s, effective temperatures, surface gravities, overall metallicities, and individual abundances for elements including Mg, Al, Si, Ti, Fe, and Ni. Stellar parameters were derived using an updated pipeline combining the MADERA algorithm with spectro-photometric information from 2MASS and Gaia DR2.

Quick stats

• 518,387 spectral observations
• 0 with effective temperature (Teff range: 0 - 0 K)
• 0 with metallicity ([Fe/H] range: 0.00 to 0.00 dex)

Usage

from datasets import load_dataset

ds = load_dataset("juliensimon/rave-dr6", split="train")
df = ds.to_pandas()

# Metallicity distribution
import matplotlib.pyplot as plt
met = df["metallicity_fe_h"].dropna()
plt.hist(met, bins=100, edgecolor="none")
plt.xlabel("[Fe/H] (dex)")
plt.ylabel("Count")
plt.title("RAVE DR6 Metallicity Distribution")

# HR diagram (Teff vs log g)
valid = df.dropna(subset=["teff_k", "logg"])
plt.figure()
plt.scatter(valid["teff_k"], valid["logg"], s=0.1, alpha=0.3)
plt.gca().invert_xaxis()
plt.gca().invert_yaxis()
plt.xlabel("Teff (K)")
plt.ylabel("log g (dex)")
plt.title("RAVE DR6 Kiel Diagram")

Data source

Steinmetz M. et al. (2020), "The Sixth Data Release of the Radial Velocity Experiment (RAVE)", The Astronomical Journal, 160, 83. Accessed via VizieR (III/283), CDS Strasbourg.

Related datasets

• wolf-rayet-stars -- Galactic Wolf-Rayet Stars
• brown-dwarf-catalog -- Brown Dwarf Catalog
• galah-dr4 -- GALAH DR4 Stellar Parameters

Pipeline

Source code: juliensimon/space-datasets

Support

If you find this dataset useful, please give it a heart on the dataset page and share feedback in the Community tab! Also consider giving a star to the space-datasets repo.

Citation

@dataset{rave_dr6,
  author = {Simon, Julien},
  title = {RAVE DR6 Stellar Parameters},
  year = {2026},
  publisher = {Hugging Face},
  url = {https://huggingface.co/datasets/juliensimon/rave-dr6},
  note = {Based on Steinmetz et al. (2020, AJ 160, 83) via VizieR CDS Strasbourg}
}

License

CC-BY-4.0