Physical parameters of neutral component of coma of comet 103/P Hartley 2

1Kleschonok, VV, 1Luk'yanyk, IV, 1Churyumov, KI, 1Ponomarenko, VA
1Astronomical Observatory of Taras Shevchenko National University of Kyiv, Kyiv, Ukraine
Kinemat. fiz. nebesnyh tel (Online) 2015, 31(5):37-0
Start Page: Dynamics and Physics of Solar System Bodies
Language: Russian
Abstract: 

Some physical parameters of the neutral component of the coma comet 103/P Hartley were calculated by Hazer and Shulman models. To compensate for fast own comet’s movement for photometric observations two methods are investigated: recovery of the image by algorithms of the solution of the return task and method of effective diaphragms. It is shown that the method of effective diaphragms is preferable.

Keywords: comets comas, comets own motion
References: 

1.V. L. Afanas’ev, “Physical characteristics of the neutral coma of comet Abe, 1970 g,” Probl. Kosm. Fiz., No. 9, 120–129 (1974).

2.L. M. Shul’man, Dynamics of Comet Atmospheres. Neutral Gas (Naukova Dumka, Kiev, 1972) [in Russian].

3.M. F. A’Hearn, “Spectroscopy and spectrophotometry of comets at optical wavelength,” in Comets, Ed. by L. Wilkenning (Univ. of Arizona Press, Tucson, 1982), pp. 433–460.

4.M. F. A’Hearn, P. V. Birch, P. D. Feldman, et al., “Comet Encke–gas production and lightcurve,” Icarus 64, 1–10 (1985).
https://doi.org/10.1016/0019-1035(85)90033-8

5.M. F. Hearn, R. C. Millis, D. O. Schleicher, et al., “The ensemble properties of comets: Results from narrowband photometry of 85 comets, 1976–1992,” Icarus 118, 223–270 (1995).
https://doi.org/10.1006/icar.1995.1190

6.K. I. Churyumov, I. V. Luk’yanyk, A. A. Berezhnoi, et al., “Optical spectroscopy of comet C/2000 WM1 (LINEAR) at the Guillermo Harro astrophysical observatory in Mexico,” Earth, Moon Planets 90, 361–368 (2002).
https://doi.org/10.1023/A:1021586401331

7.K. I. Churyumov, I. V. Luk’yanyk, L. S. Chubko, et al., “Exploration of spectra of periodic comet 153P/IkeyaZhang,” Kinematika Fiz. Nebesnykh Tel, Prilozh. 5, 472–476 (2005).

8.T. L. Farnham, D. G. Schleicher, and M. F. A’Hearn, “The HB Narrowband comet filters: Standard stars and calibrations,” Icarus 147, 180–204 (2000).
https://doi.org/10.1006/icar.2000.6420

9.L. Haser, “Distribution d’intensite dans la tete d’une comete,” Bull. Cl. Sci., Acad. R. Belg. Cl. Sci. 43, 740–750 (1957).

10.M. M. Knight and D. G. Schleicher, “The highly unusual outgassing of comet 103P/Hartley 2 from narrowband photometry and imaging of the coma” (2012). arXiv:1206.1318v1.

11.F. I. Kravtsov and I. V. Luk’yanyk, “Determination of the physical parameters of gas in the neutral atmospheres of comets: The circular aperture method,” Kinematics Phys. Celestial Bodies 29, 285–290 (2013).
https://doi.org/10.3103/S0884591313060032

12.C. M. Lisse, Y. R. Fernandez, W. T. Reach, et al., “Spitzer space telescope observations of the nucleus of comet 103P/Hartley 2,” Publ. Astron. Soc. Pac. 121, 968–975 (2009).
https://doi.org/10.1086/605546

13.G. Milani, E. Bryssinck, M. Nicolini, et al., “Photometry and imaging of comet 103P/Hartley in the 2010–2011 apparition,” Icarus 222, 786–798 (2013).
https://doi.org/10.1016/j.icarus.2012.09.004

14.J. B. Tatum, “Cyanogen radiance/column-density ratio for comets calculated from the Swings effect,” Astron. Astrophys. 135, 183–187 (1984).

15.P. C. Thomas, M. F. A’Hearn, J. Veverka, et al., “Shape, density, and geology of the nucleus of comet 103P/Hartley 2,” Icarus 222, 550–558 (2013).
https://doi.org/10.1016/j.icarus.2012.05.034