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{{short description|Hyperbolic comet}} {{short description|Hyperbolic comet}}
{{For|other comets discovered by William R. Brooks and Lewis A. Swift|Comet Brooks (disambiguation){{!}}Comet Brooks|Comet Swift}}
{{Infobox comet {{Infobox comet
| name = C/1883 D1 (Brooks–Swift) | name = C/1883 D1 (Brooks–Swift)
Line 23: Line 24:
| M1 = | M1 =
| M2 = | M2 =
| magnitude = 6.0–7.0<br><small>(1883 apparition)</small> | magnitude = 6.0–7.0{{efn|There are no estimates for the comet's total magnitude were recorded,{{r|Kronk_2003}} except for the central condensation of its ].}}<br><small>(1883 apparition)</small>
| last_p = 19 February 1883 | last_p = 19 February 1883
| next_p = | next_p =
}} }}


'''Comet Brooks–Swift''', also known as '''C/1883 D1''' by its modern nomenclature, is a ] that made a close approach to Earth on March 1883. '''Comet Brooks–Swift''', also known as '''C/1883 D1''' by its modern nomenclature, is a ] that was visible telescopically to Earth in the early months of 1883. It was discovered independently by two American astronomers, ] and ].{{r|Kronk_2003}}

== Discovery and observations ==
The comet was discovered on the morning of 24 February 1883 in the constellation ].{{efn|Reported initial position upon discovery was: ] {{=}} {{RA|22|50}}, ] {{=}} {{DEC|28|00}}{{r|Kronk_2003}}}} Both Brooks and Swift spotted the comet about 25 minutes from one another, with initial orbital calculations suggesting it already passed perihelion on 19 February.{{r|Neill_1883|Bryant_1884}}

] made spectroscopic observations of the comet on 3 March, two days after it made its closest approach to ] at a distance of {{convert|1.156|AU|e6km|abbr=unit}}.{{r|Konkoly_1883}} ] watched the comet ] an 8th-magnitude ] on the night of 5 March, which enabled him to measure the comet's apparent magnitude at the time.{{r|Chandler_1883}} By late March, the comet started to fade away rapidly, until it was last observed within the constellation ] on 24 April 1883.{{r|Kronk_2003}}


== References == == References ==
=== Notes ===
{{Notelist}}

=== Citations ===
{{Reflist|refs= {{Reflist|refs=

<ref name="Bryant_1884">{{cite journal
| author1= R. Bryant
| title= The Elements of the Orbit of Comet a, 1883 (Brooks–Swift)
| url= https://academic.oup.com/mnras/article-pdf/44/3/88/3596533/mnras44-0088.pdf
| journal= Monthly Notices of the Royal Astronomical Society
| year= 1884
| volume= 44
| issue= 3
| pages= 88
| doi= 10.1093/mnras/44.3.88
| doi-access= free }}
</ref>

<ref name="Chandler_1883">{{cite journal
| author1= S. C. Chandler, Jr.
| title= Observations of Comet 1883 I (Brooks–Swift)
| url= https://zenodo.org/records/2255145/files/article.pdf
| journal= Astronomische Nachrichten
| year= 1883
| volume= 106
| issue= 1
| pages= 9–12
| bibcode= 1883AN....106....9C
| doi= 10.1002/asna.18841060105
| doi-access= free }}
</ref>


<ref name="ICQ1">{{cite web <ref name="ICQ1">{{cite web
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| publisher= ] | publisher= ]
| access-date= 1 January 2025 }} | access-date= 1 January 2025 }}
</ref>

<ref name="Konkoly_1883">{{cite journal
| author1= N. de Konkoly
| title= Spectroscopic Observations of Comet a, 1883 (Brooks–Swift)
| url= https://academic.oup.com/mnras/article-pdf/43/6/328/2916044/mnras43-0328a.pdf
| journal= Monthly Notices of the Royal Astronomical Society
| year= 1883
| volume= 43
| issue= 6
| pages= 328–329
| bibcode= 1883MNRAS..43..328D
| doi= 10.1093/mnras/43.6.328a
| doi-access= free }}
</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=PA518
| volume= 2: 1800–1899
| year= 2003
| publisher= ]
| pages= 518–520
| isbn= 978-0-521-58505-7 }}
</ref>

<ref name="Neill_1883">{{cite journal
| author1= M. M. Neill
| title= Observations of Comet 1883 Brooks-Swift at Princeton, New Jersey, USA
| url= https://zenodo.org/records/2197966/files/article.pdf
| journal= Astronomische Nachrichten
| year= 1883
| volume= 105
| issue= 24
| pages= 389–390
| doi= 10.1002/asna.18831052405
| doi-access= free }}
</ref> </ref>


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{{Authority control}} {{Authority control}}


{{DEFAULTSORT:Brooks–Swift, 1883 D1}} {{DEFAULTSORT:Brooks-Swift, 1883 D1}}
] ]
] ]

Latest revision as of 18:44, 13 January 2025

Hyperbolic comet For other comets discovered by William R. Brooks and Lewis A. Swift, see Comet Brooks and Comet Swift.
C/1883 D1 (Brooks–Swift)
Discovery
Discovered byWilliam R. Brooks
Lewis A. Swift
Discovery siteNew York, USA
Discovery date24 February 1883
Designations
Alternative designations1883a
1883 I
Orbital characteristics
Epoch12 March 1883 (JD 2408881.5)
Observation arc31 days
Number of
observations		9
Perihelion0.760 AU
Eccentricity1.000077
Inclination78.066°
Longitude of
ascending node		279.77°
Argument of
periapsis		110.89°
Last perihelion19 February 1883
Earth MOID0.110 AU
Jupiter MOID1.824 AU
Physical characteristics
Apparent magnitude6.0–7.0
(1883 apparition)

Comet Brooks–Swift, also known as C/1883 D1 by its modern nomenclature, is a hyperbolic comet that was visible telescopically to Earth in the early months of 1883. It was discovered independently by two American astronomers, William Robert Brooks and Lewis A. Swift.

Discovery and observations

The comet was discovered on the morning of 24 February 1883 in the constellation Pegasus. Both Brooks and Swift spotted the comet about 25 minutes from one another, with initial orbital calculations suggesting it already passed perihelion on 19 February.

Nikolaus von Konkoly made spectroscopic observations of the comet on 3 March, two days after it made its closest approach to Earth at a distance of 1.156 AU (172.9 million km). Seth C. Chandler, Jr. watched the comet occult an 8th-magnitude star on the night of 5 March, which enabled him to measure the comet's apparent magnitude at the time. By late March, the comet started to fade away rapidly, until it was last observed within the constellation Orion on 24 April 1883.

References

Notes

  1. There are no estimates for the comet's total magnitude were recorded, except for the central condensation of its nucleus.
  2. Reported initial position upon discovery was: α = 22 50 , δ = 28° 00′

Citations

  1. "Comet Names and Designations". International Comet Quarterly. Retrieved 1 January 2025.
  2. "C/1883 D1 (Brooks–Swift) – JPL Small-Body Database Lookup". ssd.jpl.nasa.gov. Jet Propulsion Laboratory. Retrieved 1 January 2025.
  3. ^ G. W. Kronk (2003). Cometography: A Catalog of Comets. Vol. 2: 1800–1899. Cambridge University Press. pp. 518–520. ISBN 978-0-521-58505-7.
  4. M. M. Neill (1883). "Observations of Comet 1883 Brooks-Swift at Princeton, New Jersey, USA" (PDF). Astronomische Nachrichten. 105 (24): 389–390. doi:10.1002/asna.18831052405.
  5. R. Bryant (1884). "The Elements of the Orbit of Comet a, 1883 (Brooks–Swift)" (PDF). Monthly Notices of the Royal Astronomical Society. 44 (3): 88. doi:10.1093/mnras/44.3.88.
  6. N. de Konkoly (1883). "Spectroscopic Observations of Comet a, 1883 (Brooks–Swift)" (PDF). Monthly Notices of the Royal Astronomical Society. 43 (6): 328–329. Bibcode:1883MNRAS..43..328D. doi:10.1093/mnras/43.6.328a.
  7. S. C. Chandler, Jr. (1883). "Observations of Comet 1883 I (Brooks–Swift)" (PDF). Astronomische Nachrichten. 106 (1): 9–12. Bibcode:1883AN....106....9C. doi:10.1002/asna.18841060105.

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