Multiplicity Database
A database of catalogues and codes to help stellar multiplicity studies.
Catalogues
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MSC
STEL-ORB
This is a catalog of hierarchical multiple stellar systems with three or more components.
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WDS
ORB
The Washington Double Star Catalog (WDS) maintained by the United States Naval Observatory is the world's principal database of astrometric double and multiple star information.
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SBX
ORB
SBX originated from the migration of the SB9 catalogue. It continues the series of compilations of spectroscopic orbits carried out over the past 35 years by Batten and collaborators.
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DEBCat
STEL-ORB
DEBCat is a catalogue of the physical properties of well-studied detached eclipsing binaries.
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PMTCat
STEL-ORB
A collaborative project to catalog and analyze post-mass transfer binary systems.
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KeplerEB
ORB
Kepler Eclipsing Binaries Catalog is a comprehensive, growing database of eclipsing binary star systems identified by the Kepler mission.
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TESSEB
ORB
The TESS Eclipsing Binary Catalog is a comprehensive, growing database of eclipsing binary star systems identified by the Transiting Exoplanet Survey Satellite mission.
Softwares
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PHOEBE2
LC-RV-LPV
PHOEBE is an eclipsing binary modeling code that uses meshes to model stellar surfaces.
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JKTEBOP
LC-RV
The code models the projection of each star as a sphere for calculating eclipse shapes and as a biaxial ellipsoid for calculating proximity effects.
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ALLESFITTER
LC-RV
Allesfitter is a public and user-friendly astronomy software package for modeling photometric and RV data. It can accommodate multiple exoplanets, multi-star systems, star spots, stellar flares, and various noise models.
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RadVel
RV
RadVel is an open-source Python package for modeling Keplerian orbits in radial velocity (RV) timeseries.
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jaxoplanet
LC-RV-AS
jaxoplanet is a functional-programming-forward implementation of lightcurves, RVs, and relative astrometry of multi-exoplanet and star systems.
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orbitize!
AS
Python package for fitting orbits of directly imaged mulit-planet and star systems.
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Octofitter
RV-AS
Octofitter is a Julia package for performing Bayesian inference against a wide variety of exoplanet / binary star data.
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orvara
AS
A package for fitting orbits of bright stars and their faint companions (exoplanets, brown dwarfs, white dwarfs, and low-mass stars).
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REBOUND
REBOUND is an N-body integrator, i.e. a software package that can integrate the motion of particles under the influence of gravity.
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REBOUNDx
REBOUNDx (eXtras) allows you to easily incorporate additional physics into your REBOUND N-body integrations.