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| image = Comet Brooks 21 Oct 1893.png | image = Comet Brooks 21 Oct 1893.png
| caption = Comet Brooks photographed by ] from the ] on 21 October 1893 | caption = Comet Brooks photographed by ] from the ] on 21 October 1893
| discovery_ref = | discovery_ref = {{r|Barnard_1893a}}
| discoverer = ] | discoverer = ]
| discovery_site = ] | discovery_site = ]
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}} }}


'''Comet Brooks''', formally designated as '''C/1893 U1''', is a ] that became visible to the naked eye in 1893. '''Comet Brooks''', formally designated as '''C/1893 U1''', is a ] that became visible through telescopes in late 1893.


== Discovery and observations == == Discovery and observations ==
] spotted a new comet on the morning of 17 October 1893 from his observatory in ].{{r|Barnard_1893a}} At the time of discovery, it was a 7th-magnitude object located within the constellation ]. One day later, ] made his follow-up observations of the comet, noting it has a deformed ] about 4 degrees long.{{r|Barnard_1893a}} Barnard continued his photographic sessions of the comet throughout November 1893, documenting its changes in structure.{{r|Barnard_1899}} It was last observed by ] on the evening of 26 January 1894.{{r|Kronk_2003}}


== Orbit == == Orbit ==
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== References == == References ==
{{Reflist|refs= {{Reflist|refs=

<ref name="Barnard_1893a">{{cite journal
| author1= E. E. Barnard
| title= Photographs of Brooks' Comet (Oct. 17, 1893)
| url= https://ui.adsabs.harvard.edu/link_gateway/1893PA......1..145B/ADS_PDF
| journal= Popular Astronomy
| year= 1893
| volume= 1
| issue= 4
| pages= 145–147
| bibcode= 1893PA......1..145B }}
</ref>

<ref name="Barnard_1899">{{cite journal
| author1= E. E. Barnard
| title= 1893 Brooks's Comet
| url= https://academic.oup.com/mnras/article-pdf/59/6/358/3931667/mnras59-0358.pdf
| journal= Monthly Notices of the Royal Astronomical Society
| year= 1899
| volume= 59
| issue= 6
| pages= 358–370
| bibcode= 1899MNRAS..59..358B
| doi= 10.1093/mnras/59.6.358
| doi-access= free }}
</ref>


<ref name="ICQ1">{{cite web <ref name="ICQ1">{{cite web
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| access-date= 21 November 2023 }} | access-date= 21 November 2023 }}
</ref> </ref>

<ref name="Kronk_2003">{{cite book
| author1= G. W. Kronk
| title= Cometography: A Catalog of Comets
| url= https://books.google.com/books?id=5XXjVF8fuGkC&pg=PA711
| volume= 2: 1800–1899
| year= 2003
| publisher= ]
| pages= 711–714
| isbn= 978-0-521-58505-7 }}
</ref>

}} }}


Revision as of 13:21, 29 December 2024

Non-periodic comet For other comets discovered by William Robert Brooks, see Comet Brooks.
C/1893 U1 (Brooks)
Comet Brooks photographed by Edward E. Barnard from the Lick Observatory on 21 October 1893
Discovery
Discovered byWilliam Robert Brooks
Discovery siteSmith Observatory
Discovery date17 October 1893
Designations
Alternative designations1893c
1893 IV
Orbital characteristics
Observation arc82 days
Number of
observations		153
Aphelion461.73 AU
Perihelion0.812 AU
Semi-major axis231.27 AU
Eccentricity0.99649
Orbital period~3,520 years
Max. orbital speed46.7 km/s
Inclination129.823°
Longitude of
ascending node		176.414°
Argument of
periapsis		347.452°
Last perihelion19 September 1893
TJupiter–0.692

Comet Brooks, formally designated as C/1893 U1, is a non-periodic comet that became visible through telescopes in late 1893.

Discovery and observations

William Robert Brooks spotted a new comet on the morning of 17 October 1893 from his observatory in Geneva, New York. At the time of discovery, it was a 7th-magnitude object located within the constellation Virgo. One day later, Edward E. Barnard made his follow-up observations of the comet, noting it has a deformed tail about 4 degrees long. Barnard continued his photographic sessions of the comet throughout November 1893, documenting its changes in structure. It was last observed by Herbert C. Wilson on the evening of 26 January 1894.

Orbit

See also

References

  1. ^ E. E. Barnard (1893). "Photographs of Brooks' Comet (Oct. 17, 1893)". Popular Astronomy. 1 (4): 145–147. Bibcode:1893PA......1..145B.
  2. "Comet Names and Designations". International Comet Quarterly. Retrieved 29 December 2024.
  3. "C/1893 U1 (Brooks) – JPL Small-Body Database Lookup". ssd.jpl.nasa.gov. Jet Propulsion Laboratory. Retrieved 21 November 2023.
  4. E. E. Barnard (1899). "1893 Brooks's Comet" (PDF). Monthly Notices of the Royal Astronomical Society. 59 (6): 358–370. Bibcode:1899MNRAS..59..358B. doi:10.1093/mnras/59.6.358.
  5. G. W. Kronk (2003). Cometography: A Catalog of Comets. Vol. 2: 1800–1899. Cambridge University Press. pp. 711–714. ISBN 978-0-521-58505-7.

External links

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