BRAVA: Radial Velocities for 8,500 Galactic Bulge Red Giants

The Bulge Radial Velocity Assay (BRAVA) consists of spectra for approximately 8500 red giants in the Galactic bulge. The dataset was published by the National Aeronautics and Space Administration and was last updated in March 2026.

Use Cases

• Modeling the mass distribution of the Galactic bulge based on stellar velocity measurements.
• Investigating the formation history of the Milky Way based on stellar kinematics.
• Calibrating or validating simulations of galactic bulge dynamics based on observed radial velocities.

Strengths

• Approximately 8500 stellar spectra provide a substantial sample size.
• Data originates from the National Aeronautics and Space Administration.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.

Provenance

Source

National Aeronautics and Space Administration

Collection Method

Spectroscopic observations of red giant stars.

Time Range

null

Freshness

Last updated 2026-03-13 18:44:23.157492; freshness should be verified.

Geography

Galactic bulge of the Milky Way