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Author: 潘韋翔
Thesis Title: 木星族彗星 73P/Schwassmann-Wachmann 3 及歐特雲族彗星 C/2007 W1 Boattini 之毫米波段觀測
Millimeterwave Observations of Jupiter-Family Comet 73P/Schwassmann- Wachmann 3 and Oort-Cloud Comet C/2007 W1 Boattini
Advisor: 管一政
Degree: 碩士
Master
Department: 地球科學系
Department of Earth Sciences
Thesis Publication Year: 2012
Academic Year: 100
Language: 中文
Number of pages: 59
Keywords (in Chinese): 木星族彗星歐特雲族彗星73P彗星波特妮彗星
Keywords (in English): Jupiter Family comet, Oort Cloud comet, Comet 73P, Comet C/2007 W1 (Boattini)
Thesis Type: Academic thesis/ dissertation
Reference times: Clicks: 103Downloads: 12
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  • 彗星,保存最原始的物質,也被認為是保留早期太陽系形成過程中產生的分子。因此,對於我們對太陽系形成的理解,包括太陽型的低質量恆星的形成和觀測彗星的分子都相當重要。我們在2006年5月利用兩座位於亞利桑那州的電波天文台: 基特峰12米望遠鏡(KP12M)和次毫米波望遠鏡(SMT),來觀測木星族彗星73P/Schwassmann-Wachmann(73P-B)和C(73P-C),和2008年6月歐特雲族彗星(OCCs)C/2007 W1(Boattini),。
    我們尋找彗星的CS,氰化氫,H2CO分子,c-C3H2,甲醇和一些氘分子的分子以及最簡單的環分子cyclopropenylidene,c-C3H2,這是一種廣泛分佈在星際介質中的分子。我們也期待觀測到彗星C/2007 W1(Boattini)中的CS、HCN、H2CO與HDCO。和其他已知的彗星相比,73P-B、73P-C的發現HCN相對於水的比值為0.10%和0.11%。我們得出這樣的結論:這兩個彗星碎片是類似的化學成分和他們分裂以來,已通過了類似的化學演化,這樣的結果可能暗示,木星族彗星形成類似太陽的距離。
    彗星C/2007 W1(Boattini)被觀察到有大量的CS,但很少HCN。此外,觀測到的CS 為0.35%,和海爾-波普彗星相比(0.40%); 我們認為Boattini為迄今觀察到彗星中非常特殊的一顆。

    Comets, the most pristine deposits of ice, are thought to preserve molecules produced during the formation of early Solar System. Thus, knowledge of solar-type low-mass star formation and observations of cometary molecules are both important to our understanding of Solar System formation. To reveal the chemical evolution of Solar Nebula, we observed the break-up of Jupiter Family comet (JFCs) 73P/Schwassmann- Wachmann fragments B (73P-B) and C (73P-C) in 2006 May, and the Oort Cloud comet (OCCs) C/2007 W1 (Boattini) in 2008 June, by using the Kitt Peak 12m telescope (KP12M) and the Submillimeter Telescope (SMT) of Arizona Radio Observatory.
    We searched for cometary molecular species CS, HCN, H2CO, c-C3H2, CH3OH and some deuterated molecules toward 73P-B and 73P-C. We have HCN clearly detected with production rates of 1.92×1025 sec-1 for 73P-B and 1.40–4.26×1025 sec-1 for 73P-C. The simplest ring molecule cyclopropenylidene, c-C3H2, which is widely distributed in the interstellar medium was tentatively detected in 73P-C. We also looked for CS, HCN, H2CO and HDCO toward Comet C/2007 W1 (Boattini) and had a clear detection of CS at a production rate of 4.30×1025 sec-1, plus a tentative detection of HCN. Compared to other known comets, 73P-B and 73P-C showed similar HCN abundances of 0.10% and 0.11%, typical to JFCs, to each other. With no detection of CS in 73P, and with HCN the only molecule detected securely of similar abundances in both Fragments B and C of 73P, we conclude that these two cometary fragments are of similar chemical compositions and have gone through similar chemical evolution since their breakup; our results may simply imply that most JFCs were formed in regions at similar distances from the Sun.
    Comet C/2007 W1 (Boattini) was observed to have a large quantity of CS molecules presented but with very few HCN molecules. Furthermore, the observed CS mixing ratio of 0.35% relative to water was found close to that of Comet Hale–Bopp, 0.40%; our finding made Boattini a very special comet among all comets observed to date.

    ABSTRACT I CONTENTS III LIST OF FIGURES V LIST OF TABLES VII CHAPTER 1 INTRODUCTION 1 1.1. THE ORIGIN OF COMETS 1 1.2. VOLATILE MOLECULES IN COMETS 1 1.3. CHEMICAL DIVERSITY IN COMETS 2 1.4. COMETS 73P/SCHWASSMANN–WACHMANN 3 AND C/2007 W1 (BOATTINI) 7 CHAPTER 2 OBSERVATIONS 11 2.1. SMT AND KP12M 11 2.2. JUPITER–FAMILY COMET 73P/SCHWASSMANN–WACHMANN 3 14 2.3. OORT–CLOUD COMET C/2007 W1 (BOATTINI) 15 2.4. DATA REDUCTION 19 CHAPTER 3 RESULTS 21 3.1. CARBON MONOSULFIDE (CS) 21 3.2. HYDROGEN CYANIDE AND ITS 15N ISOTOPOMER 21 3.3. FORMALDEHYDE AND DEUTERATED FORMALDEHYDE 23 3.4. DEUTERIUM WATE AND HYDROGEN CYANIDE 24 3.5. CYCLOPROPENYLIDENE (c-C3H2) 25 3.6. METHANOL (CH3OH) 26 CHAPTER 4 ANALYSES 38 4.1. ROTATIONAL TEMPERATURE AND MOLECULAR COLUMN DENSITY 38 4.2. GAS PRODUCTION RATES 40 CHAPTER 5 DISCUSSIONS AND SUMMARY 45 5.1. HCN IN COMET 73P/SCHWASSMANN–WACHMANN 3 45 5.2. CS IN COMET C/2007 W1 (BOATTINI) 47 5.3. COMPARISONS TO OTHER COMETS 47 5.4. SUMMARY 51 BIBLIOGRAPHY 56

    A'Hearn, M. F., Millis, R. L., Schleicher, D.G., Osip, D. J., Birch, P. V., 1995, Icarus, 118, 223– 270
    Balsiger, H., Altwegg, K., and Geiss, J. 1995, J. Geophys. Res. 100, 5827–5834
    Bertini, I., Lara, L. M., Vincent, J. B., Boehnhardt, H., Küpper, M., Rodrigo, R., 2009, Astro. Astrophys 496, 235–247
    Biver, N., Bockelée-Morvan, D., Colom, P., Crovisier, J., Davies, J. K., Dent, W. R., Despois, D., Gérard, E., Lellouch, E., Rauer, H., Moreno, R., Paubert, G., 1997, Science 275, 1915–1918
    Biver, N., Bockelée-Morvan, D., Crovisier, J., Davies, J. K., Matthews, H. E., Wink, J. E., Rauer, H., Colom, P., Dent, W. R. F., Despois, D., Moreno, R., Paubert, G., Jewitt, D., and Senayn, M. 1999, Astro. J. 118, 1850–1872
    Biver, N., Bockelée-Morvan, D., Crovisier, J., Henry, F., Davies, J. K. Matthews, H., Colom, P., Gérard, E., Lis, D. C., Phillips, T. G., Rantakyrö, F., Haikala, L., Weaver, H.A. 2000, Astro. J. 120, 1554–1570
    Biver, N., Bockelée-Morvan, D., Crovisier, J., Colom, P., Henry, F., Lellouch, E., Winnberg, A., Johansson, L. E. B., Gunnarsson, M., Rickman, H., Rantakyrö, F, Davies, J. K., Dent, W. R. F., Paubert G., Moreno, R., Wink, J., Despois, D., Benford, D., Gardner, M., Lis, D.C., Mehringer, D., Phillips, T.G., Rauer, H., 2002, Earth Moon and Planets, 90, 5–14
    Biver, N., Bockelée-Morvan, D., Boissier, J., Crovisier, J., Colom, P., Lecacheux, A., Moreno, R., Paubert, G., Lis, D. C., Sumner, M., Frisk, U., Hjalmarson, Å., Olberg, M., Winnberg, A., Florén, H. G., Sandqvist, A., Kwok, S., 2007, Icarus 187, 253–271
    Boehnhardt, H., Käufl, H. U. 1995, Comet 73P/Schwassmann–Wachmann 3, IAU Circ. 6274
    Bonev, B. P., Mumma, M. J., Radeva, Y. L., DiSanti, M. A., Gibb, E. L., Villanueva, G. L. 2008, ApJ 680, L61–L64
    Bonev, B. P., Mumma, M. J., Gibb, E. L., DiSanti, M. A., Villanueva, G. L., Magee- Sauer, K., Ellis, R. S. 2009, ApJ 699, 1563–1572
    Bockelée-Morvan, D., Crovisier, J., Colom, P., Despois, D., Perault, M., Irvine, W. M., Schloerb, F. P., Swade, D. 1984, Astro. Astrophys. 141, 411–418
    Bockelée-Morvan, D., Colom, P., Crovisier, J., Despois, D., Paubert, G. 1991, Nature, 350, 318–320
    Bockelée-Morvan, D., Crovisier, J., Baudry, A., Despois, D. 1994, Astro. Astrophys. 287, 647–665
    Bockelée-Morvan, D., Gautier, D., Lis, D. C., Young, K., Keene, Y. J., Phillips, T., Owen, T., Crovisier, J., Goldsmith, P. F., Bergin, E. A., Despois, D., Wootten, A. 1998, Icarus 133, 147– 162
    Bockelée-Morvan, D., Crovisier, J., Mumma, M.J., Weaver, H.A. 2004, in Comets II, 391–423, (Tucson: Univ. Ariz. Press.)
    Capria, M.T., Coradini, A., De Sanctis, M.C., and Orosei, R. 2000, Astro. Astrophys., 357, 359–366
    Crovisier, J., 2006, In Astrobiology: Future Perspectives, Astrophysics and Space Science Library. 305, 179–203
    Crovisier, J., Biver, N., Bockelée-Morvan, D., Boissier, J., Colom, P., Lis, D.C., 2009, Earth Moon and Planets. 105, 267–272
    Crovisier, J., Bockelée-Morvan, D., Biver, N., Colom, P., Despois, D., Lis, D.C. 2004, Astro. Astrophys. 418, L35–L38
    Daniel, W. E. 2006, Comet 73P/Schwassmann–Wachmann, IAU Circ. 8708
    Dello Russo, N., Vervack Jr, R. J., Weaver, H. A., Biver, N., Bockelée-Morvan, D., Crovisier, J., Lisse, C. M. 2007, Nature 448, 172–175
    Dello Russo, N., Vervack Jr, R. J., Weaver, H. A., Lisse, C. M. 2009, Icarus 200, 271–279
    Dello Russo, N., Vervack Jr, R. J., Weaver, H. A., Kawakita, H., Kobayashi, H. Biver, N., Bockelée-Morvan, D,. Crovisier, J. 2009, ApJ 703, 187–197
    Despois, D., Crovisier, J., Bockelée-Morvan, D., Schraml, J., Forveille, T., Gérard, E. 1986, Astro. Astrophys. 160, L11–L12
    DiSanti, M. A., Mumma, M. J. 2008, Space Science Reviews 138, 127–145
    DiSanti, M. A., Villanueva, G. L., Milam, S. N., Zack, L. N., Bonev, B. P., Mumma, M. J., Ziurys, L. M., Anderson, W. M. 2009, Icarus 203, 589–598
    Duncan, M., Quinn, T., Tremaine, S. 1987, Astro. J. 94, 1330–1338
    Duncan, M., Levison, H., 1997. Science 276, 1670–1672
    Duncan, M., Levison, H., Done, L. 2004, in Comets II, 193–204, (Tucson: Univ. Ariz. Press.)
    Gomes, R., Levison, H. F., Tsiganis, K., Morbidelli, A. 2005, Science 435, L466–L469
    Haser, L., 1957, Bull. Acad. R. Sci. Liege 43, 740–750.
    Hitomi, Kobayashi., Hideyo, Kawakita., Michael, J., Mumma, M. J., Boncho, P., Bonev, Watanabe, Jun-ichi., Fuse, Tetsuharu., 2007, Astro. J. 668, L75–L78
    Hollenbach, D. J., Tielens, A. G. G. M., 1997, Annu. Rev. Astro. Astrophys. 35, 179–215
    Howell, E. S., Nolan, M. C., Harmon, J. K., Lovell, A. J., Benner, L. A., Ostro, S. J., Campbell, D. B., Margot, J., 2007b, Bull American Astro. Soc. 39, 486
    Hsieh, H. H., Jewitt, D., 2006, Science 312, 561–563
    Hutsemekérs, D., Manfroid, J., Jehin, E., Arpigny, C., 2009, Icarus 204, 346–348
    Jackson, W. M., Butterworth, P. S., Ballard, D., 1982, Astro. J. 304, 515–518
    Jackson, W. M., Halpern, J. B., Feldman, P. D., Rahe, J., 1982, Astro. Astrophys. 107, 385–389
    Jewitt, D., Moro-Martìn, A., Lacerda, P., 2009, In Astrophysics in the Next Decade: The James Webb Space Telescope and Concurrent Facilities 509
    Kobayashi, H., Kawakita, H., Mumma, M. J., Bonev, B. P., Watanabe, J., Fuse, T., 2007, ApJ, 668, L75–L78
    Levison, H. 1996. Comet Taxonomy, in Completing the Inventory of the Solar System, vol. 107 of Astronomical Society of the Pacific Conference Proceedings, Rettig, T.W., Hahn, J.M., Eds., pp. 173-191
    Levison, H.F., Duncan, M. J., 1997, Science 276, 1670–1672
    Levison, H. F., Morbidelli, A., VanLaerhoven, C., Gomes, R., Kleomenis, Tsiganis, K.,2008, Icarus 196, 258–273
    Lippi, M., Villanueva, G. L., DiSanti, M. A., Bonev, B. P., Mumma, M. J., Boehnhardt, H., 2010, European Planetary Science Congress 5, 496
    Matthews, H. E., Irvine, W. M., 1985, Astro. J. 298, L61–L65
    Magee-Sauer, K., Mumma, M., DiSanti, M. A., Dello Russo, N., Retting, T. W., 1999, Icarus 142, 498–508
    Meier, R., Owen, T. C., Matthews, H. E., Jewitt, D. C., Bockelée-Morvan, D., Biver, N., Crovisier, J., Gautier, D., 1998, Science 279, 842–844
    Mumma, M. J., DiSanti, M.A., Dello Russo, N., Magee-Sauer, K., Gibb, E., Novak, R., 2003, Advances in Space Research 31, 2563–2575
    Mumma, M. J., Dello Russo, N., Disanti, M. A., Magee-Sauger, K., Novak, R. E., Brittain, S., Retting, T., McLean, I. S., Reuter, D. C., Xu, L. H., 2001, Science 292, 1334–1339
    Mumma, M. J., Bonev B. P., Villanueva G. L., Paganini L., DiSanti M. A., Gibb E. L., Keane J. V., Meech K. J., Blake G. A., Ellis R. S., Lippi M., Boehnhardt H., and Magee-Sauer K., 2011, ApJ 734, L7–L13
    Paganini, L., Villanueva, G. L., Lara, L. M., Lin, Z. Y., Küpper, M., Hartogh, P., Faure, A., 2010, ApJ 715, 1258–1269
    Remijan, A. J., Friedel, D. N., de Pater, I., Hogerheijde, M. R., Snyder, L. E., A’Hearn, M. F., Blake, G. A., Dickel, H. R., Forster, J. R., Kraybill, C., Looney, L. W., Palmer, P. Wright, M. C. H., 2006, ApJ 643, 567–572
    Turner, B. E., 1991, Astro. J. & SS, 76, 617–686
    van Dishoeck, E. F., Blake, G. A., 1998, Annu. Rev. Astro. Astrophys. 36, 317–368
    Vincent, J. B., Böhnhardt, H., Bertini, I., Lara, L. M., Küppers, M. Rodrigo, R., 2010, Earth Moon and Planets. 106, 27–35
    Villanueva, G. L., Bonev, B. P., Mumma, M. J., Magee-Sauer, K., DiSanti, M. A., Salyk, C. Blake, G. A., 2006. ApJ 650, L87–L90
    Villanueva, G. L., Mumma, M. J., DiSanti, M. A., Bonev, B. P., Gibb, E. L., Magee-Sauer, K., Blake, G. A., Salyk, C., 2011. Icarus, 216, 227– 240

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