O.R.F.E.O.Online Repository for the FRANEC Evolutionary Output
INAF — Istituto Nazionale di Astrofisica
INAF — Osservatorio Astronomico di Roma INAF — Istituto di Astrofisica e Planetologia Spaziali
Stellar astrophysics project

O.R.F.E.O.

Online Repository for the FRANEC Evolutionary Output

A research project and open archive of stellar evolutionary models and nucleosynthesis products. Explore datasets and access published research data from 2004 to 2025.

Explore the data catalogue Meet the project team
8model collections
2004–2025years covered
INAFastrophysics research
People and research

The Project

O.R.F.E.O. provides access to stellar evolution models and nucleosynthesis data produced with the FRANEC and HYPERION codes (Chieffi & Limongi 2013, 208; Limongi & Chieffi 2020).

Project team

Marco LimongiPrincipal Investigator · INAF–Astronomical Observatory of Rome (OAR)
Alessandro ChieffiPrincipal Investigator · INAF–Institute for Space Astrophysics and Planetology (IAPS)
Lorenzo RobertiResearch team · INAF
Agnese FallaResearch team · INAF

Research codes

Data catalogue

Explore the collections

Choose a collection to browse available datasets, data guides, and related research materials.

8 collections

2025Published · ApJS 279, 41

The Chemical Yields of Stars in the Mass Range 9–15 M☉

Presupernova structures and nucleosynthetic yields of non-rotating, solar-metallicity stars, computed with two different mass cuts, with data guides describing every column.

Mass 9.22–15 M☉[Fe/H] = 0Presupernova
Open collection
2023Published · ApJS 272, 15 (2024)

Presupernova Evolution and Explosive Nucleosynthesis of Rotating Massive Stars. II. The Supersolar Models at [Fe/H] = 0.3

Extension of the 2018 model grid with super-solar metallicity models at [Fe/H] = +0.3.

[Fe/H] = +0.32018 grid
Open collection
2020Published · ApJ 890, 43

The Presupernova Core Mass–Radius Relation of Massive Stars: Understanding Its Formation and Evolution

Solar-metallicity presupernova models spanning 12–27.95 M☉, computed in 0.05 M☉ mass steps to study the core mass–radius relation.

320 models[Fe/H] = 0Presupernova
Open collection
2018Published · ApJSS 237, 13

Presupernova Evolution and Explosive Nucleosynthesis of Rotating Massive Stars in the Metallicity Range −3 ≤ [Fe/H] ≤ 0

Rotating and non-rotating models: mass loss, physical properties, pre-supernova structures, yields, and remnant masses.

Rotation[Fe/H] from 0 to −3Yields
Open collection
2013Published · ApJ 764, 21

Pre-supernova Evolution of Rotating Solar Metallicity Stars in the Mass Range 13–120 M☉ and Their Explosive Yields

Evolutionary properties and pre-explosive structures of non-rotating and 300 km/s rotating models, with masses from 13 to 120 M☉.

RotationMass 13–120 M☉Yields
Open collection
2012Published · ApJSS 199, 38

Presupernova Evolution and Explosive Nucleosynthesis of Zero Metal Massive Stars

Cumulative yields from zero-metallicity primordial star models, with datasets and accompanying documentation.

Z = 0Cumulative yields
Open collection
2006Archive available

The Nucleosynthesis of 26Al and 60Fe in Solar Metallicity Stars Extending in Mass from 11 to 120 M☉: The Hydrostatic and Explosive Contributions

Stellar models and nucleosynthesis products: presupernova structures, elemental and isotopic yields, abundances, and mass loss.

Solar metallicityYields11–120 M☉
Open collection
2004Archive available

Explosive Yields of Massive Stars from Z = 0 to Z = Z☉

Models published in ApJ 608, 405, with data on cumulative isotopic and elemental yields.

Isotopic yieldsElemental yields
Open collection
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