The third edition of ultra-high definition lunar surface map, with 450 million pixels, has 1294 lunar ...
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The second edition of ultra-high definition lunar surface map, with 450 million pixels, has 1268 lunar ...
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The outer circle of the star map is marked with East, West, North and south directions.The innermost circle is the horizon of the observation site, and the center of the star map is the zenith ...When using, you can lift the star map so that the directions marked on the map are consistent with the ...Then you can follow the map and learn to identify the constellations step by step starting from recognizing ...
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一百万天体在现代天文观测数量上并不算多。目前在中国虚拟天文台主节点上包括郭守敬望远镜（LAMOST）观测数据在内，就有十亿天体的总体量。 但是一百万天体到了天文学家手里，仍然是一个相对庞大的工作量。这一百万天体杂乱无章，有恒星、类星体，还有星系或星云，不同的研究方向就只会专注于其中一种天体。 所以拿到一百万天体，天文学家要做光谱分类。不同天体的光谱是由其组成成分和物理环境双重的差异共同造成的，可以说是独一无二的。光谱对于天体来说就是身份识别的指纹，而光谱分类就是天文学家手中的“星辰整理术”。 比如这张太阳色球照片和左下角的太阳光谱，就是它独一无二的“身份证”。
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We present a three-dimensional (3D) extinction map of the southern sky.The map covers the SkyMapper Southern Survey (SMSS) area of ∼14,000 deg<SUP>2</SUP> and has spatial resolutions ...distances calculated from the Gaia data release 2 (DR2) parallaxes, we have constructed a 3D extinction map ...By combining our 3D extinction map with those from the literature, we present an all-sky 3D extinction ...map, and use it to explore the 3D distribution of the Galactic dust grains.
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We present a three-dimensional (3D) extinction map of the southern sky.The map covers the SkyMapper Southern Survey (SMSS) area of ∼14,000 deg<SUP>2</SUP> and has spatial resolutions ...distances calculated from the Gaia data release 2 (DR2) parallaxes, we have constructed a 3D extinction map ...By combining our 3D extinction map with those from the literature, we present an all-sky 3D extinction ...map, and use it to explore the 3D distribution of the Galactic dust grains.
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We present a three-dimensional (3D) extinction map of the southern sky.The map covers the SkyMapper Southern Survey (SMSS) area of ∼14,000 deg<SUP>2</SUP> and has spatial resolutions ...distances calculated from the Gaia data release 2 (DR2) parallaxes, we have constructed a 3D extinction map ...By combining our 3D extinction map with those from the literature, we present an all-sky 3D extinction ...map, and use it to explore the 3D distribution of the Galactic dust grains.
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We present a three-dimensional (3D) extinction map of the southern sky.The map covers the SkyMapper Southern Survey (SMSS) area of ∼14,000 deg<SUP>2</SUP> and has spatial resolutions ...distances calculated from the Gaia data release 2 (DR2) parallaxes, we have constructed a 3D extinction map ...By combining our 3D extinction map with those from the literature, we present an all-sky 3D extinction ...map, and use it to explore the 3D distribution of the Galactic dust grains.
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We present a three-dimensional extinction map in the r band.The map has a spatial angular resolution, depending on latitude, between 3 and 9 arcmin and covers the ...information of more than 13 million stars, which are used to construct the three-dimensional extinction map ...The resulting RJCE extinction map is consistent with the integrated two-dimensional map deduced using ...
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We present a three-dimensional extinction map in the r band.The map has a spatial angular resolution, depending on latitude, between 3 and 9 arcmin and covers the ...information of more than 13 million stars, which are used to construct the three-dimensional extinction map ...The resulting RJCE extinction map is consistent with the integrated two-dimensional map deduced using ...
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We present a three-dimensional extinction map in the r band.The map has a spatial angular resolution, depending on latitude, between 3 and 9 arcmin and covers the ...information of more than 13 million stars, which are used to construct the three-dimensional extinction map ...The resulting RJCE extinction map is consistent with the integrated two-dimensional map deduced using ...
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We present a three-dimensional extinction map in the r band.The map has a spatial angular resolution, depending on latitude, between 3 and 9 arcmin and covers the ...information of more than 13 million stars, which are used to construct the three-dimensional extinction map ...The resulting RJCE extinction map is consistent with the integrated two-dimensional map deduced using ...
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font-size:18px;"><span style="font-family:黑体;">为全力做好新型冠状病毒感染的肺炎疫情防控工作，积极相应国家号召，有效切断病毒传播途径，坚决遏制疫情蔓延势头，确保大家生命安全和身体健康 ...
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用户在平台上注册并审核通过后，即可获得一个可以个性化定制的永久网络访问地址，论文及其涉及的图表、数据、动画、电影、模型、代码、软件等都可以安全、稳定地储存在这个平台上，并可以随时直接通过他们的虚拟机进行访问 ...一旦拥有了这个标识，科学数据就像拥有了一张科研界的“身份证”，通过其便捷的指向连结功能，确保文件在网络世界中被安全储存、精准提取，有效提升科学成果的传播力度与知名度，增加引用率。 ...DOI标识编码规则 保障安全，规避风险 随着信息时代的到来，科学数据的开放共享在服务科技创新、国家战略、社会应用、国际合作交流等方面发挥着越来越重要的作用， ...，建立完善的安全审查机制，帮助科研人员更好地实现科学数据的开放共享。 ...此次升级工作通过为用户提供全方位的DOI服务，进一步提升天文数据资源传播效率和引用规范，为研究者提供更安全、更规范的科学数据存储环境，促进科学数据的开放共享。
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FAST/SKA Tianlai collaboration meeting Tianlai update Dish observation at NCP Sky map ...FAST/SKA Tianlai collaboration meeting Tianlai update Dish observation at NCP Sky map ...
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他表示，参会专家对ConeSearch（锥形检索）标准在时域数据上支持的总结和讨论很有启发性；此外，CDS的ST-MOC从时间纬度扩展了原有的Multi-Order Coverage Map标准，是实现时域数据可视化和数据归档检索的重要技术手段 ...
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日前，国务院办公厅印发《科学数据管理办法》，进一步加强和规范科学数据管理，保障科学数据安全，提高开放共享水平，更好地为国家科技创新、经济社会发展和国家安全提供支撑。
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图1：中国虚拟天文台平台的技术路线图 中国虚拟天文台： 1）首创面向混合云环境的虚拟天文台软件体系架构，解决了异构资源的融合、互操作与数据安全问题，支持单条天文观测数据级别的细粒度访问控制；自主创新实现了面向混合云环境的虚拟天文台基础软件框架与首个完整实用的虚拟天文台 ...提出观测设备时间申请分配标准化流程与可扩展框架，解决了观测设备之间的数据安全隔离问题；以基于图论的优化方法解决了大型观测设备切换观测目标的调度问题；提出基于天区划分索引的原位检索方法，解决了海量天文图像时序数据子集的高效获取问题 ...
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fundamental challenges in modern astronomy: the creation of an extraordinarily precise three-dimensional map ...
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--> 规范天文科学数据汇交，进一步加强和规范天文科学数据管理，保障科学数据安全，提高开放共享水平，更好支撑国家科技创新、经济社会发展和国家安全。