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Stellar Spectroscopy

Category: Engineering  ·  Sub-category: engineering-misc  ·  Last updated:
Stellar spectral analysis from first light to chemical abundance. Covers continuum emission and absorption, the OBAFGKM classification sequence, luminosity classes, line identification, Doppler shifts, curve-of-growth abundance analysis, and the astrophysical conclusions that follow from a spectrum. Use when classifying a star, measuring radial velocity, inferring composition or temperature, or teaching why the Sun is mostly hydrogen.

From the source SKILL.md

A stellar spectrum is the single most information-dense observation in astronomy. From a dispersed beam of starlight you can read temperature, luminosity, surface gravity, chemical composition, radial velocity, rotation speed, magnetic field strength, and binary companionship. This skill covers the core techniques for turning a spectrum into astrophysics: how the continuum forms, how absorption lines are produced, how to classify a star on the OBAFGKM sequence, how to identify and measure lines, how to extract Doppler velocity, and how to run a curve-of-growth abundance analysis. Cecilia…

What this skill does

Stellar Spectroscopy is a community-contributed Claude Code skill in the engineering-misc sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/stellar-spectroscopy/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when classifying a star, measuring radial velocity, inferring composition or temperature, or teaching why the Sun is mostly hydrogen.

Who uses this skill

The Stellar Spectroscopy Claude Code skill is built for software engineers, backend developers, full-stack teams, and technical leads building and maintaining production systems. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 70,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/stellar-spectroscopy
curl -L https://claudskills.com/skills/stellar-spectroscopy/SKILL.md \
  -o ~/.claude/skills/stellar-spectroscopy/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/stellar-spectroscopy/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/stellar-spectroscopy/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\stellar-spectroscopy\SKILL.md on Windows. See the full install guide for step-by-step instructions.

Pro

One-click install via the desktop app

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Cite this skill

If you reference this skill in a blog post, paper, or documentation, you can cite it as:

APA
ClaudSkills. (2026). Stellar Spectroscopy [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/stellar-spectroscopy/
BibTeX
@misc{stellar-spectroscopy-2026,
  author    = {ClaudSkills},
  title     = {Stellar Spectroscopy [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/stellar-spectroscopy/}
}

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