C/1861 G1 (Chinese Wikipedia)

Analysis of information sources in references of the Wikipedia article "C/1861 G1" in Chinese language version.

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harvard.edu

Arter, T. R.; Williams, I. P. The mean orbit of the April Lyrids. Monthly Notices of the Royal Astronomical Society. 1997, 289 (3): 721–728 [2007-11-02]. （原始内容存档于2018-01-06）.

H. Augustiniak. Heimatgeschichte – Uhrmacher und Kometenentdecker. Märkisches Medienhaus GmbH & Co. KG. 2019-04-29. |periodical=和|work=只需其一 (帮助)

Horizons output. Barycentric Osculating Orbital Elements for Thatcher (C/1861 G1) at epoch 1900. [2023-08-26]. （原始内容存档于2024-02-27）. (Solution using the Solar System's barycenter (Sun+Jupiter). Select Ephemeris Type:Elements and Center:@0)
(PR= 1.54E+05 / 365.25 = 422 years)
Horizons output. 2283 Perihelion for Comet C/1861 G1 (Thatcher). [2020-08-07]. （原始内容存档于2024-02-27）. (Observer Location:@sun Perihelion occurs when deldot flips from negative to positive)
JPL Small-Body Database Browser: C/1861 G1 (Thatcher). Jet Propulsion Laboratory. [2012-04-21]. （原始内容存档于2020-08-11）.

Horizons output. Barycentric Osculating Orbital Elements for Thatcher (C/1861 G1) at epoch 1900. [2023-08-26]. （原始内容存档于2024-02-27）. (Solution using the Solar System's barycenter (Sun+Jupiter). Select Ephemeris Type:Elements and Center:@0)
(PR= 1.54E+05 / 365.25 = 422 years)
Horizons output. 2283 Perihelion for Comet C/1861 G1 (Thatcher). [2020-08-07]. （原始内容存档于2024-02-27）. (Observer Location:@sun Perihelion occurs when deldot flips from negative to positive)
JPL Small-Body Database Browser: C/1861 G1 (Thatcher). Jet Propulsion Laboratory. [2012-04-21]. （原始内容存档于2020-08-11）.
Arter, T. R.; Williams, I. P. The mean orbit of the April Lyrids. Monthly Notices of the Royal Astronomical Society. 1997, 289 (3): 721–728 [2007-11-02]. （原始内容存档于2018-01-06）.