What question did this study set out to answer?

This research aims to estimate the circular velocity of the Milky Way using RGB stars and different density prescriptions.

Local Jeans estimates of the Galaxy’s circular velocity, based on RGB stars from the Gaia catalogue

View Full Paper

Ask AI

Bookmark

This research aims to estimate the circular velocity of the Milky Way using RGB stars and different density prescriptions.
Analyzed circular velocity using the Jeans equation with RGB stars from the Gaia catalogue.
Specified spatial density of tracer stars via an analytical exponential profile and star counts from observed volumes.
Compared circular velocity estimates based on local density versus analytical density profiles.
Local circular velocity estimates show azimuthal variations with differences reaching ~10–15 km s−1 in the range R ≈ 6 − 15 kpc.
Analytical density profiles produce smoother circular velocity curves consistent with previous studies.
Local density estimates reveal sensitivity to potential non-axisymmetry in the Galactic disk.

No takes yet. Share an insight, caveat, or question.

Randomized trial estimates circular velocity of the Milky Way using different density models, highlighting significant azimuthal variations.

Fedorov et al. (2026) studied this question.

View Full Paper

Ask AI

Bookmark

Randomized trial estimates circular velocity of the Milky Way using different density models, highlighting significant azimuthal variations.