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词条 3872 Akirafujii
释义

  1. Orbit and classification

  2. Physical characteristics

      Rotation period    Diameter and albedo  

  3. Naming

  4. References

  5. External links

{{Infobox planet
| minorplanet = yes
| name = 3872 Akirafujii
| background = #D6D6D6
| image =
| image_size =
| caption =
| discovery_ref =  
| discovered = 12 January 1983
| discoverer = B. A. Skiff
| discovery_site = Anderson Mesa Stn.
| mpc_name = (3872) Akirafujii
| alt_names = 1983 AV{{·}}1931 AY
| named_after = Akira Fujii {{small|(Japanese astrophotographer)}}[2]
| mp_category = main-belt{{·}}{{small|(middle)}}
Eunomia [3]Mitidika [4]
| orbit_ref =  
| epoch = 4 September 2017 (JD 2458000.5)
| uncertainty = 0
| observation_arc = 86.10 yr (31,447 days)
| aphelion = 3.2025 AU
| perihelion = 2.1199 AU
| semimajor = 2.6612 AU
| eccentricity = 0.2034
| period = 4.34 yr (1,586 days)
| mean_anomaly = 324.03°
| mean_motion = {{Deg2DMS|0.2270|sup=ms}} / day
| inclination = 13.042°
| asc_node = 94.761°
| arg_peri = 66.126°
| dimensions = {{val|12.538|0.340}} km[6][7]
{{val|15.16|1.3}} km {{small|(IRAS:13)}}[8]
15.20 km {{small|(derived)}}[3]
{{val|21.43|1.51}} km[10]
| rotation = {{val|10.635}} h[11]
{{val|22.289|0.003}} h[12]
| albedo = {{val|0.029|0.005}}[10]
{{val|0.0583|0.011}} {{small|(IRAS:13)}}[8]
0.0697 {{small|(derived)}}[3]
{{val|0.085|0.012}}[6][7]
| spectral_type = C [18]{{·}}S {{small|(assumed)}}[3]
| abs_magnitude = {{val|12.44|0.26}}[18]{{·}}12.6[3]{{·}}12.8[8][10][6]
}}

3872 Akirafujii, provisional designation {{mp|1983 AV}}, is a carbonaceous Eunomia asteroid from the middle region of the asteroid belt, approximately 15 kilometers in diameter.

The asteroid was discovered on 12 January 1983, by American astronomer Brian Skiff at Lowell's Anderson Mesa Station, near Flagstaff, Arizona.[26] It was later named after Japanese astronomer Akira Fujii.[2]

Orbit and classification

Akirafujii has been identified as a member of the Mitidika family, a dispersed asteroid family of typically carbonaceous C-type asteroids. The family is named after 2262 Mitidika (diameter of 9 km) and consists of 653 known members, the largest ones being 404 Arsinoë (95 km) and 5079 Brubeck (17 km).[4][29]{{rp|23}} It has also been described as a member of the Eunomia family, a large group of otherwise predominantly stony asteroids and the most prominent family in the intermediate main-belt.

It orbits the Sun in the central main-belt at a distance of 2.1–3.2 AU once every 4 years and 4 months (1,586 days). Its orbit has an eccentricity of 0.20 and an inclination of 13° with respect to the ecliptic. The first precovery was taken at Lowell Observatory in 1931, extending the asteroid's observation arc by 52 years prior to its discovery.[26]

Physical characteristics

Akirafujii has been characterized as a dark C-type asteroid by PanSTARRS{{'}} photometric survey,[18] which agrees with the Mitidika family's overall spectral type.[29]{{rp|23}}

Rotation period

In August 2005 and November 2012, two rotational lightcurves were obtained through photometric observations at the Chiro Observatory, Australia, and at the Preston Gott Observatory in Texas, United States, respectively. The ambiguous lightcurve from Chiro Observatory showed a rotation period of {{val|10.635}} hours with a brightness variation of 0.35 in magnitude, when using the longer solution ({{small|U=2}}).[11] The other lightcurve at Preston Gott gave a period of {{val|22.289|0.003}} hours with an amplitude of 0.23 ({{small|U=2-}}).[12]

Diameter and albedo

According to the space-based surveys carried out by the Infrared Astronomical Satellite IRAS, the Japanese Akari satellite, and the NEOWISE mission of NASA's Wide-field Infrared Survey Explorer, Akirafujii measures between 12.5 and 21.4 kilometers, and its surface has a low albedo in the range of 0.03 to 0.09.[8][10][6][7]

The Collaborative Asteroid Lightcurve Link (CALL) derives an albedo of 0.07 and calculates a diameter of 15.2 kilometers with an absolute magnitude of 12.6.[3]

Naming

This minor planet was named in honour of Japanese astronomer Akira Fujii (born 1941), a prominent astronomy communicator and astrophotographer at his Chiro Observatory in Shirakawa, Fukushima prefecture. Editor of the "Star Handbook" (Hoshi No Techou) and author of an astronomy book series for young people, Fujii has also publicized astronomy on TV, and he has toured the country during the 1986 apparition of Halley's Comet, encouraging the public to observe it with a 0.6-meter reflector telescope mounted on his trailer. Internationally, Fujii is most famous for his excellent celestial images.[2] The official naming citation was published by the Minor Planet Center on 29 November 1993 ({{small|M.P.C. 22829}}).[42]

References

1. ^1 2 3 {{cite book |title = Dictionary of Minor Planet Names – (3872) Akirafujii |last = Schmadel | first = Lutz D. |publisher = Springer Berlin Heidelberg |pages = 328–329 |date = 2007 |isbn = 978-3-540-00238-3 |doi = 10.1007/978-3-540-29925-7_3861 |chapter = (3872) Akirafujii }}
2. ^1 2 {{cite web |title = 3872 Akirafujii (1983 AV) |work = Minor Planet Center |url = http://www.minorplanetcenter.net/db_search/show_object?object_id=3872 |accessdate = 4 May 2016}}
3. ^1 {{cite web |title = MPC/MPO/MPS Archive |work = Minor Planet Center |url = http://www.minorplanetcenter.net/iau/ECS/MPCArchive/MPCArchive_TBL.html |accessdate = 4 May 2016}}
4. ^1 2 {{cite web |title = Small Bodies Data Ferret |work = Nesvorny HCM Asteroid Families V3.0 |url = https://sbntools.psi.edu/ferret/PropertySearch/familyForm.action |accessdate = 2 September 2017}}
5. ^1 2 {{Cite book |first1 = D. |last1 = Nesvorný |first2 = M. |last2 = Broz |first3 = V. |last3 = Carruba |date = December 2014 |title = Identification and Dynamical Properties of Asteroid Families |journal = Asteroids IV |pages = 297–321 |bibcode = 2015aste.book..297N |doi = 10.2458/azu_uapress_9780816532131-ch016 |arxiv = 1502.01628 |isbn = 9780816532131 }}
6. ^1 2 3 4 5 6 {{cite web |title = LCDB Data for (3872) Akirafujii |publisher = Asteroid Lightcurve Database (LCDB) |url = http://www.minorplanet.info/PHP/GenerateALCDEFPage_Local.php?AstInfo=3872%7CAkirafujii |accessdate = 4 May 2016}}
7. ^1 2 3 4 {{cite journal |first1 = E. F. |last1 = Tedesco |first2 = P. V. |last2 = Noah |first3 = M. |last3 = Noah |first4 = S. D. |last4 = Price |date = October 2004 |title = IRAS Minor Planet Survey V6.0 |url = http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2004PDSS...12.....T |journal = NASA Planetary Data System |volume = 12 |pages = IRAS-A-FPA-3-RDR-IMPS-V6.0 |bibcode = 2004PDSS...12.....T |access-date= 4 May 2016}}
8. ^1 2 3 4 {{cite journal |display-authors = 6 |first1 = Fumihiko |last1 = Usui |first2 = Daisuke |last2 = Kuroda |first3 = Thomas G. |last3 = Müller |first4 = Sunao |last4 = Hasegawa |first5 = Masateru |last5 = Ishiguro |first6 = Takafumi |last6 = Ootsubo |first7 = Daisuke |last7 = Ishihara |first8 = Hirokazu |last8 = Kataza |first9 = Satoshi |last9 = Takita |first10 = Shinki |last10 = Oyabu |first11 = Munetaka |last11 = Ueno |first12 = Hideo |last12 = Matsuhara |first13 = Takashi |last13 = Onaka |date = October 2011 |title = Asteroid Catalog Using Akari: AKARI/IRC Mid-Infrared Asteroid Survey |url = http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2011PASJ...63.1117U |journal = Publications of the Astronomical Society of Japan |volume = 63 |issue = 5 |pages = 1117–1138 |bibcode = 2011PASJ...63.1117U |doi = 10.1093/pasj/63.5.1117 |access-date= 4 May 2016}}
9. ^1 2 3 4 {{cite journal |display-authors = 6 |first1 = A. |last1 = Mainzer |first2 = T. |last2 = Grav |first3 = J. |last3 = Masiero |first4 = E. |last4 = Hand |first5 = J. |last5 = Bauer |first6 = D. |last6 = Tholen |first7 = R. S. |last7 = McMillan |first8 = T. |last8 = Spahr |first9 = R. M. |last9 = Cutri |first10 = E. |last10 = Wright |first11 = J. |last11 = Watkins |first12 = W. |last12 = Mo |first13 = C. |last13 = Maleszewski |date = November 2011 |title = NEOWISE Studies of Spectrophotometrically Classified Asteroids: Preliminary Results |url = http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2011ApJ...741...90M |journal = The Astrophysical Journal |volume = 741 |issue = 2 |page = 25 |bibcode = 2011ApJ...741...90M |doi = 10.1088/0004-637X/741/2/90 |arxiv = 1109.6407 |access-date= 4 May 2016}}
10. ^1 2 {{Cite journal |author = Clark, Maurice |date = March 2007 |title = Lightcurve Results for 1318 Nerina, 222 Lermontov 3015 Candy, 3089 Oujianquan, 3155 Lee, 6410 Fujiwara, 6500 Kodaira, (8290) 1992 NP, 9566 Rykhlova, (42923) 1999 SR18, and 2001 FY |url = http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2007MPBu...34...19C |journal = The Minor Planet Bulletin |volume = 34 |issue = 1 |pages = 19–22 |issn = 1052-8091 |bibcode = 2007MPBu...34...19C |access-date= 4 May 2016}}
11. ^1 2 {{Cite journal |author = Clark, Maurice |date = July 2013 |title = Asteroid Photometry from the Preston Gott Observatory |url = http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2013MPBu...40..131C |journal = The Minor Planet Bulletin |volume = 40 |issue = 3 |pages = 131–133 |issn = 1052-8091 |bibcode = 2013MPBu...40..131C |access-date= 4 May 2016}}
12. ^1 2 3 {{cite journal |display-authors = 6 |first1 = Peter |last1 = Veres |first2 = Robert |last2 = Jedicke |first3 = Alan |last3 = Fitzsimmons |first4 = Larry |last4 = Denneau |first5 = Mikael |last5 = Granvik |first6 = Bryce |last6 = Bolin |first7 = Serge |last7 = Chastel |first8 = Richard J. |last8 = Wainscoat |first9 = William S. |last9 = Burgett |first10 = Kenneth C. |last10 = Chambers |first11 = Heather |last11 = Flewelling |first12 = Nick |last12 = Kaiser |first13 = Eugen A. |last13 = Magnier |first14 = Jeff S. |last14 = Morgan |first15 = Paul A. |last15 = Price |first16 = John L. |last16 = Tonry |first17 = Christopher |last17 = Waters |date = November 2015 |title = Absolute magnitudes and slope parameters for 250,000 asteroids observed by Pan-STARRS PS1 – Preliminary results |url = http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2015Icar..261...34V |journal = Icarus |volume = 261 |pages = 34–47 |bibcode = 2015Icar..261...34V |doi = 10.1016/j.icarus.2015.08.007 |arxiv = 1506.00762 |access-date= 4 May 2016}}
13. ^1 2 3 {{cite journal |display-authors = 6 |first1 = Joseph R. |last1 = Masiero |first2 = A. K. |last2 = Mainzer |first3 = T. |last3 = Grav |first4 = J. M. |last4 = Bauer |first5 = R. M. |last5 = Cutri |first6 = J. |last6 = Dailey |first7 = P. R. M. |last7 = Eisenhardt |first8 = R. S. |last8 = McMillan |first9 = T. B. |last9 = Spahr |first10 = M. F. |last10 = Skrutskie |first11 = D. |last11 = Tholen |first12 = R. G. |last12 = Walker |first13 = E. L. |last13 = Wright |first14 = E. |last14 = DeBaun |first15 = D. |last15 = Elsbury |first16 = T., IV |last16 = Gautier |first17 = S. |last17 = Gomillion |first18 = A. |last18 = Wilkins |date = November 2011 |title = Main Belt Asteroids with WISE/NEOWISE. I. Preliminary Albedos and Diameters |url = http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2011ApJ...741...68M |journal = The Astrophysical Journal |volume = 741 |issue = 2 |page = 20 |bibcode = 2011ApJ...741...68M |doi = 10.1088/0004-637X/741/2/68 |arxiv = 1109.4096 |access-date= 5 December 2016}}
[1][2][3][4][5][6][7][8][9][10][11][12][13]

}}

External links

  • Akira Fujii/DMI collection
  • Asteroid Lightcurve Database (LCDB), query form (info)
  • [https://books.google.com/books?id=aeAg1X7afOoC&pg Dictionary of Minor Planet Names], Google books
  • Asteroids and comets rotation curves, CdR – Observatoire de Genève, Raoul Behrend
  • Discovery Circumstances: Numbered Minor Planets (1)-(5000) – Minor Planet Center
  • {{JPL small body}}
{{Minor planets navigator |3871 Reiz |number=3872 |3873 Roddy}}{{Small Solar System bodies}}{{DEFAULTSORT:Akirafujii}}

6 : Mitidika asteroids|Eunomia asteroids|Discoveries by Brian A. Skiff|Minor planets named for people|Named minor planets|Astronomical objects discovered in 1983
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