feat: 引入可切换星历模型并扩展天象观测链路
- 新增半解析、旧模型、自定义与多源堆叠星历实例，提供 Context、Instance、SPK 读取及状态与视位置计算 - 统一太阳、月球和行星实例接口，扩展黄经穿越、留、相位、最近角距、偕日可见、任意高度升落、轨道节点及凌日等天象查询 - 完善日月食、月掩与凌日的月缘剖面、有限盘面接触、站心修正、局地可见性、全球路径和地图输出 - 新增 SVG、GeoJSON、KML 天象输出及凌日、月掩和月缘地形相关缓存与几何求解 - 新增恒星星表导入与查询，支持 CSV、Hipparcos、BSC5、Stellarium 等格式及名称、交叉标识、锥面检索和星等过滤 - 补充 IAU 2006、地球定向、折射消光、大气观测、轨道传播及半解析行星/月球数据支持 - 将默认未来民用时标切换为 TimeScaleLeapHour，更新 2027–2400 农历速查表、中文日期解析和时区边界处理 - 增加事件基线、跨模型回归、几何边界、月缘地形和输出契约测试，完善中英文手册、示例资源、NOTICE 与忽略规则
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本文件是第三方数据与条款声明。代码与文档采用 Apache-2.0；下列数据文件**不适用** Apache-2.0，各自遵循其来源条款。分发内嵌了这些数据的二进制（含 c-shared DLL/SO）时，须一并附上对应署名。
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This file is the per-component licence and attribution notice. The code and documentation are Apache-2.0; the data files listed below are not, and each follows the terms of its own source. Distributing a binary that embeds them — including the c-shared DLL/SO build — requires carrying the corresponding attribution.
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================================================================================
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1. SELENE (KAGUYA) lunar limb profile — moon/limb/kaguya_lalt.bin
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================================================================================
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Source data
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SELENE Global Grid Topographic Data of the Moon (LALT_GGT_NUM), dataset
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sln-l-lalt-5-topo-ggt-num-v2.0, version 2.0, published 2017.
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Origin of the data: ISAS/JAXA.
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Provided by the SELENE (KAGUYA) Data Archive (DARTS), ISAS/JAXA:
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https://darts.isas.jaxa.jp/datasets/darts:sln-l-lalt-5-topo-ggt-num-v2.0
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https://data.darts.isas.jaxa.jp/pub/pds3/sln-l-lalt-5-topo-ggt-num-v2.0/
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Acknowledgement, as requested by the SELENE Data Archive
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"We thank the SELENE(KAGUYA) LALT team and the SELENE Data Archive for
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providing the SELENE(KAGUYA) data. SELENE is a Japanese mission developed
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and operated by JAXA."
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Modifications
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The original PDS3 fixed-width table (1/16 degree global grid, 2880 x 5760
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samples) was converted to a float32 elevation grid and then resampled into a
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limb-radius profile table: the limb height is tabulated on a 1 degree grid of
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selenographic (libration) longitude and latitude and on a 0.1 degree grid of
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position angle, taking max (R + h) cos(alpha) over a +/-9 degree arc for each
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direction. Values are quantized to 4 m, delta-encoded along longitude and
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latitude, and then stored in this project's own zlib-compressed LLB1
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container. No other changes were made.
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Licence
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The source data are provided under the ISAS Data Policy,
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https://www.isas.jaxa.jp/en/researchers/data-policy/
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which states that its rules are compatible with Creative Commons Attribution
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4.0 International, https://creativecommons.org/licenses/by/4.0/
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This file is redistributed under the ISAS Data Policy. It is provided "as
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is", without warranties of any kind. ISAS/JAXA is not responsible for the
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actions of data users and does not endorse this project.
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Embedding
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Compiled into the moon/limb package with //go:embed, and linked only when
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that package is imported. A copy of this section ships as moon/limb/NOTICE
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so that vendored copies of the package keep the attribution.
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================================================================================
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2. Planetary and lunar theories — planet/internal/semianalytic/**/*.bin
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================================================================================
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Upstream theories and authors
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VSOP2013 — planetary theory, Simon, Francou, Fienga & Manche (2013),
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distributed by IMCCE at https://ftp.imcce.fr/pub/ephem/planets/vsop2013/
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TOP2013 — planetary theory for the outer planets, IMCCE, distributed at
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https://ftp.imcce.fr/pub/ephem/planets/top2013/
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ELP/MPP02 — lunar theory, J. Chapront, M. Chapront & G. Francou, 2003,
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distributed by SYRTE, Observatoire de Paris (not through IMCCE's ftp server)
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at ftp://cyrano-se.obspm.fr/pub/2_lunar_solutions/2_elpmpp02/
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Its distribution README.TXT (December 2002) is purely scientific — authors,
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description, file list and references — and states no licence and no terms
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of use.
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Used by the legacy model as well:
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ELP2000-82B — earlier lunar solution, Chapront-Touzé & Chapront, distributed
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by IMCCE at https://ftp.imcce.fr/pub/ephem/moon/elp82b/
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VSOP87 — earlier planetary series, Bretagnon & Francou (1988).
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What this project distributes
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Its own numerical refits of those theories' argument structure to the JPL
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DE440/DE441 ephemerides. The amplitudes in the *.bin tables are produced by
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this project's fitting pipeline; the upstream coefficient files are not
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redistributed here. Relative to the upstream theories the tables are
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modified in two ways: (1) the argument structure is truncated to the terms
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the fit retains, and (2) every amplitude is re-fitted to DE440/DE441 instead
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of being taken from the published series.
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Published constants
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The argument phases and frequencies (the VSOP2013 "ll(1..17)" set) and the
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GM constants used by the generator are published in the VSOP2013 README.pdf
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distributed by IMCCE and in Simon, Francou, Fienga & Manche, A&A 557, A49
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(2013); for the Moon, in Chapront & Francou, A&A 404, 735 (2003).
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Rights in the underlying theories
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This project can neither allow nor forbid the use of the VSOP2013, TOP2013,
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ELP/MPP02, ELP2000-82B or VSOP87 theories. Apache-2.0 covers only this
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project's own work — its code, and its compilation and rearrangement of the
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published series — and not the theories themselves. Downstream users who
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need to rely on the terms of the underlying theories should consult the IMCCE
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legal notice,
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https://www.imcce.fr/mentions-legales
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which restricts reproduction and makes commercial or professional use
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subject to IMCCE authorisation.
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ELP/MPP02 terms
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The official ELP/MPP02 distribution ships README.TXT (December 2002) and the
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explanatory note elpmpp02.pdf; neither states a licence or terms of use, and
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no separate terms file is included. This project therefore treats ELP/MPP02
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as carrying no stated terms and relies on the disclaimer under "Rights in
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the underlying theories" above. Note also that IMCCE's ftp server carries
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only ELP2000-82B, not ELP/MPP02. Downstream users who need a formal position
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should consult SYRTE, https://syrte.obspm.fr/, and the IMCCE legal notice.
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================================================================================
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3. JPL ephemerides — DE440 / DE441 and Horizons kernels
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================================================================================
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Files
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basic/testdata/semianalytic/planet_apparent_de441.csv
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planet/internal/semianalytic/testdata/de441-states.csv
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planet/spk/testdata/de441_ref.csv
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planet/spk/testdata/ceres.bsp
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Source
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JPL DE440/DE441 planetary ephemerides via NAIF,
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https://naif.jpl.nasa.gov/pub/naif/generic_kernels/spk/planets/
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and JPL Horizons, https://ssd.jpl.nasa.gov/horizons/
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The DE440/DE441 data are also the fitting target of the tables in section 2.
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Terms
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Produced by the United States Government (NASA/JPL); not subject to
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copyright protection in the United States. NAIF and PDS ask that the source
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be credited, as done here.
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================================================================================
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4. Natural Earth land polygons — internal/svgmap/land_*.path
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================================================================================
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Source
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Natural Earth 1:50m physical land, without administrative boundaries,
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https://www.naturalearthdata.com/
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Terms
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Public domain. Natural Earth states that the data may be used for any
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purpose without permission. Credit is given here as good practice, and the
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rendered charts carry the "Natural Earth 1:50m physical land" label.
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================================================================================
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5. Star catalogue data — basic/star_catalog.dat
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================================================================================
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Astrometry
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The built-in catalogue carries Bright Star Catalogue / Harvard (HR) numbers
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1..9110 with J2000 positions, proper motions and magnitudes. Its astrometric
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content derives from the Yale Bright Star Catalogue (Hoffleit & Warren),
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distributed by CDS as V/50,
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https://cdsarc.cds.unistra.fr/viz-bin/cat/V/50
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Catalogue data from CDS is distributed free of charge subject to the CDS
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general terms of use and to citation of the source.
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================================================================================
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References
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================================================================================
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ISAS Data Policy ...... https://www.isas.jaxa.jp/en/researchers/data-policy/
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CC BY 4.0 ............. https://creativecommons.org/licenses/by/4.0/
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SELENE Data Archive ... https://darts.isas.jaxa.jp/
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IMCCE legal notice .... https://www.imcce.fr/mentions-legales
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Natural Earth ......... https://www.naturalearthdata.com/
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NAIF SPK kernels ...... https://naif.jpl.nasa.gov/pub/naif/generic_kernels/
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JPL Horizons .......... https://ssd.jpl.nasa.gov/horizons/
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CDS VizieR V/50 ....... https://cdsarc.cds.unistra.fr/viz-bin/cat/V/50
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SYRTE (Observatoire de Paris) ... https://syrte.obspm.fr/
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ELP/MPP02 distribution .......... ftp://cyrano-se.obspm.fr/pub/2_lunar_solutions/2_elpmpp02/
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