技能 astropy
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astropy
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Analisar Dados Astronômicos com a Biblioteca Python Astropy
也可从以下获取: 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.
支持: Claude Codex Code(CC)
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测试它
正在使用“astropy”。 How do I convert a coordinate from ICRS to Galactic?
预期结果:
- 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
正在使用“astropy”。 What is the luminosity distance at redshift 1.5?
预期结果:
- 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
安全审计
安全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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⚙️ 外部命令 (356)
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📁 文件系统访问 (4)
⚡ 包含脚本 (1)
审计者: claude 查看审计历史 →
质量评分
45
架构
100
可维护性
87
内容
22
社区
100
安全
91
规范符合性
你能构建什么
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.
试试这些提示
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?
最佳实践
- 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
避免
- 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
常见问题
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.