Habilidades astropy
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astropy

Seguro ⚙️ Comandos externos📁 Acesso ao sistema de arquivos⚡ Contém scripts🌐 Acesso à rede

Analisar Dados Astronômicos com a Biblioteca Python Astropy

Também disponível em: davila7

Trabalhar com dados astronômicos exige lidar com sistemas de coordenadas complexos, formatos de arquivo e cálculos. Esta skill fornece orientação para usar o Astropy para processar coordenadas celestes, arquivos FITS e computações cosmológicas.

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A utilizar "astropy". How do I convert a coordinate from ICRS to Galactic?

Resultado esperado:

  • Crie um objeto SkyCoord com seus valores de RA e Dec no referencial ICRS
  • Acesse o atributo .galactic para transformar para coordenadas Galácticas
  • O resultado contém .l (longitude) e .b (latitude) em graus

A utilizar "astropy". What is the luminosity distance at redshift 1.5?

Resultado esperado:

  • Usando a cosmologia Planck18, a distância de luminosidade em z=1.5 é aproximadamente 11.1 Gpc
  • A distância de diâmetro angular é cerca de 1.78 Gpc
  • O tempo de lookback é aproximadamente 9.4 bilhões de anos

Auditoria de Segurança

Seguro
v4 • 1/17/2026

This skill is a documentation reference for the Astropy Python library. All 406 static findings are false positives. The 'backtick execution' detections are triggered by Python code blocks in markdown. The 'C2 keywords' are astronomy terms like 'distance' and 'separation'. The 'Windows SAM' flags are references to SAMP (Simple Application Messaging Protocol), an astronomy interoperability standard.

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Fatores de risco

⚙️ Comandos externos (356)
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📁 Acesso ao sistema de arquivos (4)
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⚡ Contém scripts (1)
references/wcs_and_other_modules.md:215-216
🌐 Acesso à rede (5)
references/wcs_and_other_modules.md:334 skill-report.json:6 SKILL.md:315 SKILL.md:316 SKILL.md:317
Auditado por: claude Ver Histórico de Auditoria →

Pontuação de qualidade

45
Arquitetura
100
Manutenibilidade
87
Conteúdo
20
Comunidade
100
Segurança
91
Conformidade com especificações

O Que Você Pode Construir

Converter Coordenadas Celestes

Transforme coordenadas entre diferentes referenciais para planejamento de observações ou cruzamento de catálogos.

Processar Arquivos FITS de Astronomia

Ler e analisar imagens de telescópios e catálogos no formato FITS para pesquisa ou desenvolvimento de pipeline de dados.

Calcular Distâncias Cosmológicas

Calcular distâncias de luminosidade, tempos de lookback e parâmetros de Hubble para análise de galáxias distantes.

Tente Estes Prompts

Conversão Básica de Coordenadas 
How do I convert ICRS coordinates (RA=10.5 deg, Dec=41.2 deg) to Galactic coordinates using astropy?
Ler Arquivo FITS 
Show me how to open a FITS file, read the image data from the first extension, and access header keywords like EXPTIME.
Cálculo de Cosmologia 
Calculate the luminosity distance and lookback time to a galaxy at redshift z=2.5 using the Planck18 cosmology.
Cruzamento de Catálogos 
I have two astronomical catalogs with RA/Dec columns. How do I cross-match them within 1 arcsecond using astropy coordinates?

Melhores Práticas

  • Sempre associe unidades às quantidades usando astropy.units para evitar erros dimensionais
  • Use gerenciadores de contexto ao abrir arquivos FITS para garantir a liberação adequada de recursos
  • Processe arrays de coordenadas em vez de loops para melhor desempenho

Evitar

  • Não codifique conversões de unidades manualmente quando o astropy pode tratá-las automaticamente
  • Evite iterar sobre coordenadas individuais quando operações vetorizadas estão disponíveis
  • Não presuma que referenciais de coordenadas correspondem sem verificação explícita

Perguntas Frequentes

Para que o astropy é usado?
Astropy é uma biblioteca Python para astronomia que fornece ferramentas para coordenadas, unidades, arquivos FITS, cosmologia, tratamento de tempo e tabelas de dados.
Como faço para instalar o astropy?
Instale com pip: 'pip install astropy' ou com todas as dependências opcionais: 'pip install astropy[all]'.
Quais sistemas de coordenadas o astropy suporta?
O astropy suporta ICRS, FK5, FK4, Galactic, AltAz, Ecliptic, Galactocentric e muitos outros referenciais astronômicos.
O astropy consegue ler arquivos FITS?
Sim, o módulo astropy.io.fits fornece suporte completo para ler, escrever e manipular arquivos FITS, incluindo headers e dados.
Quais modelos cosmológicos estão disponíveis?
Os modelos internos incluem Planck18, Planck15, WMAP9, WMAP7 e WMAP5. Você também pode criar modelos cosmológicos personalizados.
Como lidar com tempo no astropy?
Use astropy.time.Time para tratamento preciso de tempo com suporte às escalas UTC, TAI, TT, TDB e formatos como JD, MJD, ISO.

Detalhes do Desenvolvedor

Licença

BSD-3-Clause license

Repositório

https://github.com/K-Dense-AI/claude-scientific-skills/tree/main/scientific-skills/astropy

Referência

main

Estrutura de arquivos

📁 references/

📄 coordinates.md

📄 cosmology.md

📄 fits.md

📄 tables.md

📄 time.md

📄 units.md

📄 wcs_and_other_modules.md

📄 SKILL.md