ConeRot: Velocity perturbations extractor
Abstract
ConeRot extracts velocity perturbations in protoplanetary disks from observed line centroids maps ν', by creating axially-symmetric centroid maps. It also derives 3D rotation curves in disk-centered cylindrical coordinates, and can estimate the disk orientation based on line data alone. It approximates the unit opacity surface of an axially symmetric disc by a series of cones whose orientations are fit to the observed velocity centroid in concentric radial domains, or regions, with the disc orientation and the rotation curve both optimized to fit ν' in each region. ConeRot extracts the perturbations directly from observations without strong assumptions about the underlying disk model and employs a reduced number of free parameters.
- Publication:
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Astrophysics Source Code Library
- Pub Date:
- July 2022
- Bibcode:
- 2022ascl.soft07027C
- Keywords:
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- Software