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| {{short description| |
{{short description|Non-periodic comet}} | ||
| {{Infobox comet | {{Infobox comet | ||
| | name = C/1864 N1 (Tempel) | | name = C/1864 N1 (Tempel) | ||
| Line 6: | Line 6: | ||
| | discovery_ref = | | discovery_ref = | ||
| | discoverer = ] | | discoverer = ] | ||
| | discovery_site = | | discovery_site = ] | ||
| | discovery_date = 5 July 1864 | | discovery_date = 5 July 1864 | ||
| | mpc_name = | | mpc_name = | ||
| Line 25: | Line 25: | ||
| | Earth_moid = 0.0054 AU | | Earth_moid = 0.0054 AU | ||
| | Jupiter_moid = | | Jupiter_moid = | ||
| | physical_ref = {{r| |
| physical_ref = {{r|Kronk_2003}} | ||
| | M1 = 6.2 | | M1 = 6.2 | ||
| | M2 = | | M2 = | ||
| Line 36: | Line 36: | ||
| == Observational history == | == Observational history == | ||
| The comet was discovered on 5 July 1864 by ], while working in ], near the star ]. He confirmed the discovery the next day. The comet was also independently discovered by ] on 6 July and Franciszek Karliński on 11 July. ] observed the comet on 9 July described it as round, with a coma 3–4 arcminutes across and an estimated magnitude 8–9. |
The comet was discovered on 5 July 1864 by ], while working in ], near the star ]. He confirmed the discovery the next day. The comet was also independently discovered by ] on 6 July and Franciszek Karliński on 11 July. ] observed the comet on 9 July and described it as round, with a coma 3–4 arcminutes across and an estimated magnitude of 8–9.{{r|Kronk_2003}} | ||
| The comet was getting brighter as it was approaching both Earth and the Sun. ] spotted the comet with ] on 28 July and described |
The comet was getting brighter as it was approaching both Earth and the Sun. ] spotted the comet with the ] on 28 July and described it as having a coma 10.5 arcminutes across and a tail 0.3° long. On 30 July he estimated the comet's magnitude to be 4. By 7 August the comet had brightened to magnitude 2–3 and featured a tail 11.5° long. The comet approached Earth at a distance of {{convert|0.096|AU}} on 8 August 1864 and was at a ] of 12°.{{r|Kronk_2003}} | ||
| After the closest approach the comet appeared in evening sky. The comet was recovered by Schmidt on 9 August and the next day estimated its magnitude to be 2–3. Consequently the comet passed perihelion on 16 August. The comet continued to |
After the closest approach the comet appeared in the evening sky. The comet was recovered by Schmidt on 9 August and the next day he estimated its magnitude to be 2–3. Consequently the comet passed perihelion on 16 August. The comet continued to have an apparent magnitude of 4–5 up to the end of August. The comet continued to fade in September as it moved away from both the Earth and the Sun. It was last spotted with the naked eye on 6 September. The comet was last observed on 5 October 1864.{{r|Kronk_2003}} | ||
| In early August, ] managed to obtain the spectrum of the comet, the first time it was achieved, by using a prism. He found three bright lines which are now known as the ] and are associated with carbon. |
In early August, ] managed to obtain the spectrum of the comet, the first time it was achieved, by using a prism. He found three bright lines which are now known as the ] and are associated with carbon.{{r|Kronk_2003}} | ||
| == Meteors == | == Meteors == | ||
| The comet has a minimum orbital intersection distance with Earth of {{cvt|0.0054|AU|km}}. It has been associated with the weak meteor shower '''Delta Piscids''' (#410).{{r|Šegon_2013|Jenniskens_2021}} | |||
| The comet has a minimum orbital intersection distance with Earth of 0.0054 AU. It has been associated with the weak meteor shower delta Piscids (#410).<ref>{{cite journal |last1=Šegon |first1=D. |last2=Gural |first2=P. |last3=Andreić |first3=Ž. |last4=Skokić |first4=I. |last5=Korlević |first5=K. |last6=Vida |first6=D. |last7=Novoselnik |first7=F. |title=A parent body search across several video meteor data bases |journal=The Meteoroids 2013, Proceedings of the Astronomical Conference held at A.M. University, Poznań, Poland, Aug. 26-30, 2013 |date=1 July 2014 |pages=251-262 |url=https://articles.adsabs.harvard.edu/pdf/2014me13.conf..251S}}</ref><ref>{{cite journal |last1=Jenniskens |first1=Peter |last2=Lauretta |first2=Dante S. |last3=Towner |first3=Martin C. |last4=Heathcote |first4=Steve |last5=Jehin |first5=Emmanuel |last6=Hanke |first6=Toni |last7=Cooper |first7=Tim |last8=Baggaley |first8=Jack W. |last9=Howell |first9=J. Andreas |last10=Johannink |first10=Carl |last11=Breukers |first11=Martin |last12=Odeh |first12=Mohammad |last13=Moskovitz |first13=Nicholas |last14=Juneau |first14=Luke |last15=Beck |first15=Tim |last16=De Cicco |first16=Marcelo |last17=Samuels |first17=Dave |last18=Rau |first18=Steve |last19=Albers |first19=Jim |last20=Gural |first20=Peter S. |title=Meteor showers from known long-period comets |journal=Icarus |date=September 2021 |volume=365 |pages=114469 |doi=10.1016/j.icarus.2021.114469}}</ref> | |||
| == References == | == References == | ||
| {{reflist|refs= | {{reflist|refs= | ||
| <ref name="Jenniskens_2021">{{cite journal | |||
| | author1= P. Jenniskens | |||
| | author2= D. S. Lauretta | |||
| | author3= M. C. Towner | |||
| | author4= S. Heathcote | |||
| | author5= E. Jehin | |||
| | author6= T. Hanke | |||
| | author7= T. Cooper | |||
| | author8= J. W. Baggaley | |||
| | author9= J. A. Howell | |||
| | author10= C. Johannink | |||
| | author11= M. Breukers | |||
| | author12= M. Odeh | |||
| | author13= N. Moskovitz | |||
| | author14= L. Juneau | |||
| | author15= T. Beck | |||
| | author16= M. De Cicco | |||
| | author17= D. Samuels | |||
| | author18= S. Rau | |||
| | author19= J. Albers | |||
| | author20= P. S. Gural | |||
| | display-authors= 5 | |||
| | title= Meteor showers from known long-period comets | |||
| | journal= ] | year= 2021 | |||
| | volume= 365 | |||
| | pages= 114469 | |||
| | doi= 10.1016/j.icarus.2021.114469 }}</ref> | |||
| <ref name="jpl">{{cite web | <ref name="jpl">{{cite web | ||
| Line 58: | Line 86: | ||
| </ref> | </ref> | ||
| <ref name=" |
<ref name="Kronk_2003">{{cite book | ||
| | author1= G. W. Kronk | | author1= G. W. Kronk | ||
| | title= Cometography: A Catalog of Comets | | title= Cometography: A Catalog of Comets | ||
| Line 68: | Line 96: | ||
| | isbn= 978-0-521-58505-7 }} | | isbn= 978-0-521-58505-7 }} | ||
| </ref> | </ref> | ||
| <ref name="Šegon_2013">{{cite conference | |||
| | author1= D. Šegon | |||
| | author2= P. Gural | |||
| | author3= Ž. Andreić | |||
| | author4= I. Skokić | |||
| | author5= K. Korlević | |||
| | author6= D. Vida | |||
| | author7= F. Novoselnik | |||
| | title= A parent body search across several video meteor data bases | |||
| | url= https://articles.adsabs.harvard.edu/pdf/2014me13.conf..251S | |||
| | conference= The Meteoroids 2013: Proceedings of the Astronomical Conference held at A.M. University | |||
| | location= Poznań, Poland | |||
| | date= 26–30 August 2013 | |||
| | pages= 251-262 | |||
| | bibcode= 2014me13.conf..251S }} | |||
| </ref> | |||
| }} | }} | ||
| Line 75: | Line 122: | ||
| {{Comets}} | {{Comets}} | ||
| {{Authority control}} | |||
| {{DEFAULTSORT:Tempel, 1864 N1}} | {{DEFAULTSORT:Tempel, 1864 N1}} | ||
| ] | ] | ||
| ] | ] | ||
| ] | ] | ||
Latest revision as of 08:16, 15 January 2025
Non-periodic comet| Discovery | |
|---|---|
| Discovered by | Wilhelm Tempel |
| Discovery site | Marseille Observatory |
| Discovery date | 5 July 1864 |
| Designations | |
| Alternative designations | 1864 II |
| Orbital characteristics | |
| Epoch | 28 July 1864 (JD 2402080.5) |
| Observation arc | 78 days |
| Number of observations | 206 |
| Aphelion | 497 AU |
| Perihelion | 0.909 AU |
| Semi-major axis | 249 AU |
| Eccentricity | 0.9964 |
| Orbital period | 3,930 years |
| Inclination | 178.13° |
| Longitude of ascending node | 97.67° |
| Argument of periapsis | 151.58° |
| Last perihelion | 16 August 1864 |
| TJupiter | -1.160 |
| Earth MOID | 0.0054 AU |
| Physical characteristics | |
| Comet total magnitude (M1) | 6.2 |
| Apparent magnitude | 2–3 (1864 apparition) |
C/1864 N1 (Tempel) is a non-periodic comet discovered by Wilhelm Tempel on 5 July 1864. It was the first comet whose spectrum was analysed.
Observational history
The comet was discovered on 5 July 1864 by Wilhelm Tempel, while working in Marseille Observatory, near the star 54 Arietis. He confirmed the discovery the next day. The comet was also independently discovered by Lorenzo Respighi on 6 July and Franciszek Karliński on 11 July. Giovanni Schiaparelli observed the comet on 9 July and described it as round, with a coma 3–4 arcminutes across and an estimated magnitude of 8–9.
The comet was getting brighter as it was approaching both Earth and the Sun. Johann Friedrich Julius Schmidt spotted the comet with the naked eye on 28 July and described it as having a coma 10.5 arcminutes across and a tail 0.3° long. On 30 July he estimated the comet's magnitude to be 4. By 7 August the comet had brightened to magnitude 2–3 and featured a tail 11.5° long. The comet approached Earth at a distance of 0.096 astronomical units (14,400,000 km; 8,900,000 mi) on 8 August 1864 and was at a solar elongation of 12°.
After the closest approach the comet appeared in the evening sky. The comet was recovered by Schmidt on 9 August and the next day he estimated its magnitude to be 2–3. Consequently the comet passed perihelion on 16 August. The comet continued to have an apparent magnitude of 4–5 up to the end of August. The comet continued to fade in September as it moved away from both the Earth and the Sun. It was last spotted with the naked eye on 6 September. The comet was last observed on 5 October 1864.
In early August, Giovanni Battista Donati managed to obtain the spectrum of the comet, the first time it was achieved, by using a prism. He found three bright lines which are now known as the Swan band and are associated with carbon.
Meteors
The comet has a minimum orbital intersection distance with Earth of 0.0054 AU (810,000 km). It has been associated with the weak meteor shower Delta Piscids (#410).
References
- "C/1864 N1 (Tempel) – JPL Small-Body Database Lookup". ssd.jpl.nasa.gov. Jet Propulsion Laboratory. Retrieved 3 January 2025.
- ^ G. W. Kronk (2003). Cometography: A Catalog of Comets. Vol. 2: 1800–1899. Cambridge University Press. pp. 325–329. ISBN 978-0-521-58505-7.
- D. Šegon; P. Gural; Ž. Andreić; I. Skokić; K. Korlević; D. Vida; F. Novoselnik (26–30 August 2013). A parent body search across several video meteor data bases. The Meteoroids 2013: Proceedings of the Astronomical Conference held at A.M. University. Poznań, Poland. pp. 251–262. Bibcode:2014me13.conf..251S.
- P. Jenniskens; D. S. Lauretta; M. C. Towner; S. Heathcote; E. Jehin; et al. (2021). "Meteor showers from known long-period comets". Icarus. 365: 114469. doi:10.1016/j.icarus.2021.114469.
External links
- C/1864 N1 at the JPL Small-Body Database
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