Astronomy:3578 Carestia

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3578 Carestia
Discovery [1]
Discovered byFélix Aguilar Obs.
Discovery siteEl Leoncito
Discovery date11 February 1977
Designations
(3578) Carestia
Named afterReinaldo Carestia
(South American astronomer)[2]
1977 CC · 1939 PL
1950 LG · 1985 RY
Minor planet categorymain-belt · (outer)[1]
Orbital characteristics [1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc77.73 yr (28,391 days)
|{{{apsis}}}|helion}}3.8780 AU
|{{{apsis}}}|helion}}2.5496 AU
3.2138 AU
Eccentricity0.2067
Orbital period5.76 yr (2,104 days)
Mean anomaly220.68°
Mean motion0° 10m 15.96s / day
Inclination21.293°
Longitude of ascending node284.70°
47.939°
Physical characteristics
Dimensions42.882±0.066[3]
49.113±0.881 km[4]
57.80±2.3 km (IRAS:9)[5]
58.07±0.98 km[6]
59.29 km (derived)[7]
64.64±1.54 km[8]
Rotation period7.08 h[9]
9.93±0.01 h[10]
Geometric albedo0.0121±0.001 (IRAS:9)[5]
0.020 (derived)[7]
0.0292±0.0066[4]
0.039±0.012[8][3]
0.051±0.002[6]
C [7]
Absolute magnitude (H)10.08±0.59[11] · 10.10[6][8] · 10.3[1] · 11.0[4][7][9] · 11.60[5]


3578 Carestia, provisional designation 1977 CC, is an extremely dark asteroid from the outer region of the asteroid belt, approximately 58 kilometers in diameter. It was discovered on 11 February 1977, by the staff of the Felix Aguilar Observatory at El Leoncito Complex in San Juan, Argentina.[12] The asteroid was named after South American astronomer Reinaldo Carestia.[2]

Orbit and classification

Carestia orbits the Sun in the outer main-belt at a distance of 2.5–3.9 AU once every 5 years and 9 months (2,104 days). Its orbit has an eccentricity of 0.21 and an inclination of 21° with respect to the ecliptic.[1] The first precovery was taken at Crimea-Simeis in 1939, extending the asteroid's observation arc by 38 years prior to its discovery.[12]

Physical characteristics

The carbonaceous C-type asteroid is one of the darkest main-belt asteroids known.[1][7]

Rotation period

In September 2008, a rotational lightcurve was obtained from photometric observations made by Italian astronomer Federico Manzini at the Stazione Astronomica di Sozzago (A12), Italy. It rendered it a rotation period of 9.93±0.01 hours with a brightness variation of 0.13 in magnitude ({{{1}}}).[10] Previously, a fragmentary lightcurve from the 1990s, gave a shorter period of 7.1 hours with an amplitude of 0.25 ({{{1}}}).[9]

Diameter and albedo

According to the space-based surveys carried out by the Infrared Astronomical Satellite, IRAS, the Japanese Akari satellite, and NASA's Wide-field Infrared Survey Explorer with its subsequent NEOWISE mission, the asteroid's surface has an exceptionally low albedo between 0.012 and 0.051. Combined with the observation's corresponding absolute magnitude, this results in an inferred diameter of 42.9 to 64.6 kilometers.[3][4][5][6][8] The Collaborative Asteroid Lightcurve Link derives an albedo of 0.02 and a diameter of 59.3 kilometers.[7]

Naming

This minor planet was named after of South American astronomer Reinaldo Augusto Carestia (1932–1993), professor of positional astronomy at UNSJ's School of Topography, publisher of 5 star catalogs, and member of the National Committee of Scientific and Technological Research of Chile. For decades, he worked with the Repsold Meridian Circle at the discovering Felix Aguilar Observatory.[2] The official naming citation was published by the Minor Planet Center on 19 October 1994 (M.P.C. 24120).[13]

References

  1. ↑ 1.0 1.1 1.2 1.3 1.4 1.5 "JPL Small-Body Database Browser: 3578 Carestia (1977 CC)". Jet Propulsion Laboratory. https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2003578. 
  2. ↑ 2.0 2.1 2.2 Schmadel, Lutz D. (2007). "(3578) Carestia". Dictionary of Minor Planet Names – (3578) Carestia. Springer Berlin Heidelberg. p. 301. doi:10.1007/978-3-540-29925-7_3577. ISBN 978-3-540-00238-3. 
  3. ↑ 3.0 3.1 3.2 Masiero, Joseph R.; Grav, T.; Mainzer, A. K.; Nugent, C. R.; Bauer, J. M.; Stevenson, R. et al. (August 2014). "Main-belt Asteroids with WISE/NEOWISE: Near-infrared Albedos". The Astrophysical Journal 791 (2): 11. doi:10.1088/0004-637X/791/2/121. Bibcode: 2014ApJ...791..121M. http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2014ApJ...791..121M. Retrieved 5 December 2016. 
  4. ↑ 4.0 4.1 4.2 4.3 Mainzer, A.; Grav, T.; Masiero, J.; Hand, E.; Bauer, J.; Tholen, D. et al. (November 2011). "NEOWISE Studies of Spectrophotometrically Classified Asteroids: Preliminary Results". The Astrophysical Journal 741 (2): 25. doi:10.1088/0004-637X/741/2/90. Bibcode: 2011ApJ...741...90M. http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2011ApJ...741...90M. Retrieved 25 May 2016. 
  5. ↑ 5.0 5.1 5.2 5.3 Tedesco, E. F.; Noah, P. V.; Noah, M.; Price, S. D. (October 2004). "IRAS Minor Planet Survey V6.0". NASA Planetary Data System 12: IRAS-A-FPA-3-RDR-IMPS-V6.0. Bibcode: 2004PDSS...12.....T. https://sbnarchive.psi.edu/pds3/iras/IRAS_A_FPA_3_RDR_IMPS_V6_0/data/diamalb.tab. Retrieved 22 October 2019. 
  6. ↑ 6.0 6.1 6.2 6.3 Usui, Fumihiko; Kuroda, Daisuke; Müller, Thomas G.; Hasegawa, Sunao; Ishiguro, Masateru; Ootsubo, Takafumi et al. (October 2011). "Asteroid Catalog Using Akari: AKARI/IRC Mid-Infrared Asteroid Survey". Publications of the Astronomical Society of Japan 63 (5): 1117–1138. doi:10.1093/pasj/63.5.1117. Bibcode: 2011PASJ...63.1117U.  (online, AcuA catalog p. 153)
  7. ↑ 7.0 7.1 7.2 7.3 7.4 7.5 "LCDB Data for (3578) Carestia". Asteroid Lightcurve Database (LCDB). http://www.minorplanet.info/PHP/generateOneAsteroidInfo.php?AstInfo=3578%7CCarestia. 
  8. ↑ 8.0 8.1 8.2 8.3 Masiero, Joseph R.; Mainzer, A. K.; Grav, T.; Bauer, J. M.; Cutri, R. M.; Nugent, C. et al. (November 2012). "Preliminary Analysis of WISE/NEOWISE 3-Band Cryogenic and Post-cryogenic Observations of Main Belt Asteroids". The Astrophysical Journal Letters 759 (1): 5. doi:10.1088/2041-8205/759/1/L8. Bibcode: 2012ApJ...759L...8M. http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2012ApJ...759L...8M. Retrieved 25 May 2016. 
  9. ↑ 9.0 9.1 9.2 Holliday, B. (March 1997). "Photometric Observations of Minor Planet 3578 Caresia". The Minor Planet Bulletin 24.: 1. Bibcode: 1997MPBu...24....1H. http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=1997MPBu...24....1H. Retrieved 25 May 2016. 
  10. ↑ 10.0 10.1 Behrend, Raoul. "Asteroids and comets rotation curves – (3578) Carestia". Geneva Observatory. http://obswww.unige.ch/~behrend/page4cou.html#003578. 
  11. ↑ Veres, Peter; Jedicke, Robert; Fitzsimmons, Alan; Denneau, Larry; Granvik, Mikael; Bolin, Bryce et al. (November 2015). "Absolute magnitudes and slope parameters for 250,000 asteroids observed by Pan-STARRS PS1 - Preliminary results". Icarus 261: 34–47. doi:10.1016/j.icarus.2015.08.007. Bibcode: 2015Icar..261...34V. http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2015Icar..261...34V. Retrieved 25 May 2016. 
  12. ↑ 12.0 12.1 "3578 Carestia (1977 CC)". Minor Planet Center. https://www.minorplanetcenter.net/db_search/show_object?object_id=3578. 
  13. ↑ "MPC/MPO/MPS Archive". Minor Planet Center. https://www.minorplanetcenter.net/iau/ECS/MPCArchive/MPCArchive_TBL.html. 

External links



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