Cosmology

ModelledEach printed numeral is direct arithmetic of a named input. The mass-sequence packaging is [M]. These prints stay the v1.1.14 placement. Doctrine v1.1.15 does not retag them.

Stellar Types

Named inputs fix the printed clocks, the Hale product, and the iron-peak maximum of an inserted Coulomb coefficient. The taxonomic join stays modelled.

Last updated: 24 October 2026

Reading this entry

Stellar types places the evolutionary prints from the hydrogen-burning sequence through compact endpoints as [M packaging]. Named inputs fix, by direct arithmetic, a Fermi pressure, main-sequence lifetimes, the Hale product, an iron-peak mass number, and the electron-scale length ℓ₀.

What this is used for

The filament handoff continues here as the interior clocks of the stellar archetypes. Later nuclear and compact-object notes can cite the Fermi pressure 1.776×10¹⁷ Pa, the Hale period 22.01 yr, A* = 59.864, the Euclidean 1.4 M_☉ ball, and ℓ₀ = √α ℏ/(m_e c), with α kept as an input.

Walk through

At ρ_c = 1.67×10⁶ kg m⁻³ and μ_e = 1.17647 the cold Fermi pressure is 1.776×10¹⁷ Pa, matching 7.96×10⁶ K at μ = 1/1.62, and τ_MS = 10¹⁰ yr (M/M_☉)^{−2.5} prints 3.16×10¹² yr at 0.10 M_☉ and 1.38×10¹¹ yr at 0.35 M_☉. Cube roots of metallicity 0.013 and 0.020 are 0.235 R_* and 0.271 R_*. The Hale product π√(L_m C_DL) = 11.00366 yr, with L_m = 1.350×10¹¹ H and C_DL = 9.050×10⁴ F, prints P_Hale = 22.01 yr under E′ = 0, triple-α releases 7.275 MeV, and ∇_ad = 0.4 for γ = 5/3. Inserted κ_C = 0.530 MeV gives n_α* = 14.966 and A* = 59.864, a 1.4 M_☉ ball of radius 12 km has density 3.85×10¹⁷ kg m⁻³, and ℓ₀ = √α ℏ/(m_e c) = 3.29875×10⁻¹⁴ m.

At the inserted central density and , the cold non-relativistic Fermi pressure is . The two standard writings of that pressure agree. With hydrogen fraction , helium , metals , and , the same pressure matches .

The prints are at and at . The hydrogen-burning floor stays a citation.

A loop of carrying stores . Convective turnover against resistive drift across a solar radius sits in . The unrounded fast inverse, at over ten days, is .

Cube roots of metallicity and are and . That scaling is geometric. The tachocline radii and stay on the isorotation page as its own inputs.

and . The product is . is the ideal condition of core isorotation. stays auxiliary.

Rim specific angular momentum against sheds . Triple- releases , or . The ultra-relativistic root at is .

For , . The CNO temperature, the power of temperature, and a convective-core radius are unpaid on this page. At and , a fossil current loop decays in . Across to the main-sequence span prints to . Amplitude retention prints from to , and stays above for every mass at or above inside the conductivity window.

is inserted. The coarser print is . The iron-core window – is a stated range.

Nuclear saturation at is . The mint ratio against is . The mint stays closed. A Euclidean ball of and radius has mass and mean density . At period and auxiliary field , the unipolar voltage is .

prints . at is . The electron-scale length assigns no remnant radius.

Integrity

The numerals above are the placed evaluations. Still unpaid here: a CNO stellar profile, the super-AGB split, the pair-instability window, a first-principles end of fusion, and an volume for the neutron-star ball. The print , the ratio print , the numeral as the ideal root, and a remnant throat at stay off this page. Fence F4 stays intact. This page charters no ledger row, issues no token, and does not retag these prints. They stay the v1.1.14 placement under Doctrine v1.1.15.

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Stellar types

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