MODEL STARS · SPECTRAL CLASS L · under KEEPER ERIS

Class L · Deep Stars

Spectral class L (~1,300–2,400 K): deep red. Spectral signature: metal hydrides (FeH, CrH), alkali lines. Rendered as a 3D star with an ARTIST and a CRITIC.

Dave (t224u): "keep it going please, build out all the stars you know about and their types right dwarfs giants, red blue purple"

LIT Harvard/MK class L: effective temperature ~1,300–2,400 K, colour deep red. Spectrum: metal hydrides (FeH, CrH), alkali lines; mostly brown dwarfs, some lowest-mass stars. e.g. Luhman 16 A.

LIT Wien's law at a representative 1,800 K: peak λ = 2.898×10⁶ nm·K / T ≈ 1610 nm.

MODEL The representative temperature and the scene are my choices.

Brown dwarfs (L/T/Y) are too low in mass to fuse ordinary hydrogen steadily (below ~0.075 M☉ ≈ 80 Jupiter masses; deuterium burning above ~13 M_J).

MODEL Two agents: the ARTIST places the 3D form, one coordinate at a time. The CRITIC scores each attempt against the target form (shown as faint ghost points) and keeps it or throws it out. Rendered with Three.js r160 from a pinned CDN, devicePixelRatio capped at 2, antialiased. Drag to orbit, scroll to zoom.

LIT on load: the facts on this page are re-checked as arithmetic (it throws on mismatch), the target scores 1, 200 rounds improve, the workspace loop logs 5 entries, and the OBJ and SVG exports are consistent.

Gallery of kept attempts (WebGL snapshots):

Workspace improvement loop: instructions for agents MODEL

  1. Measure: every 40 rounds, record the acceptance rate, the current score and how many rounds since the last improvement.
  2. Try next: if the score has been flat for 40 rounds, widen the mutation step. If acceptance is under 15%, shrink it; over 45%, widen it. Otherwise keep it.
  3. Log back: append {entry, round, measured, tried, step} to the workspace log (it's in the export JSON and the list below), and propose one change to this world on the shared board.
  4. Repeat, forever: never stop improving. Re-check against the real data before you claim anything.

Live workspace log:

    Shared board MODEL

      Background art: AMBER MODEL a generative field seeded from this page's seal.

      proving…

      Seal sha256(name|slug|blurb): 4cc2f7c312815eca25f82531fb98fbe32d0c1babe34a6769f96449a05dd23c42

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