Ephemeris

Data source: JPL Planetary and Lunar Ephemerides

Ephemeris used in this project: DE406

Comparison of two candidates of the long-term versions:

The difference between the results generated by these two versions is negligible in most cases regarding the significant number of digits displayed in this app.

Hipparcos Catalogue

Data source: The Hipparcos and Tycho Catalogues

Bayer Designation and Proper Name

Data source: Cross-identification tables from The Hipparcos and Tycho Catalogues

Tables:
ident4 — Bayer designation and HIP
ident6 — proper name and HIP

Chinese Star Names

Original list (in Traditional Chinese): Chinese star name list from Hong Kong Observatory

Added Entries

These entries are added to the list:

• Proxima Centauri,a,Cen_C,比鄰星
• Theemin,n,Eri,九州殊口四
• Ta Tsun,y,UMa,太尊

Modified Entries

These entires are modified for consistency:

• 九洲殊口 → 九州殊口
• Ta Tsun,p,UMa,“內階增七 , 內階增九” → Althiba II,p1,UMa,內階增九
• Vendemiatrix,e,Vir,“東次相 , 太微左垣四” → Vendemiatrix,e,Vir,“東次將 , - 太微左垣四”
• …,x,Cet,天倉四 → …,z,Cet,天倉四
• …,x,Dra,“上弼 , 紫微左垣四” → …,z,Dra,“上弼 , 紫微左垣四”
• …,x,Leo,軒轅十一 → …,z,Leo,軒轅十一
• …,x,Peg,雷電一 → …,z,Peg,雷電一
• …,x,Sgr,斗宿六 → …,z,Sgr,斗宿六
• …,x,UMi,勾陳四 → …,z,UMi,勾陳四
• …,a,Cap,牛宿二 → …,a2,Cap,牛宿二

Removed Duplicates

These entries are duplicates of other entries, so they were removed:

• Sadatoni,z,Car,柱二(畢宿)
• Suhail Radar,z,Car,柱二(畢宿)
• Arkab,b,Sgr,“天淵一 , 天淵二”
• Dabih Major,b1,Cap,牛宿一
• Dabih Minor,b2,Cap,牛宿一

Added HIP

Added missing HIP:

• k_Pup,弧矢六,37229

Traditional/Simplified Chinese Conversion

Python package: Open Chinese Convert

This package is used to generate star names in Simplified Chinese from the Traditional Chinese star name list.

Pinyin

Python package: python-pinyin

This package is used to generate pinyin names from the Traditional Chinese star name list.

Chinese Calendar

Python package: Conversion Between Western and Chinese Calendar

Available date range: 722 BCE to 2200 CE