142 BIBLIOGRAPHYTanaka, Y., Inoue, H., & Holt, S. S. 1994, PASJ, 46, L37Tsuboi, Y., Koyama, K., Murakami, H., Hayashi, M., Sk<strong>in</strong>ner, S., and Ueno, S. 1998, ApJ, 503,894Tsuboi, Y. 1999, PhD <strong>the</strong>sis, Kyoto UniversityTsuboi, Y., Imanishi, K., Koyama, K., Grosso, N., & Montmerle, T. 2000, ApJ, 532, 1089Tsuboi, Y., Koyama, K., Hamaguchi, K., Tatematsu, K., Sekimoto, Y., Bally, J., & Reipurth, B.2001, ApJ, 554, 734Tsujimoto, M., Koyama, K., Tsuboi, Y., Goto, M., & Kobayashi, N. 2001, ApJ, 566, 974Tsujimoto, M., Koyama, K., Tsuboi, Y., Chartas, G., Goto, M., Kobayashi, N., Terada, H., &Tokunaga, A. T. 2002, ApJ, 573, 270Tsujimoto, M. 2003, PhD <strong>the</strong>sis, Kyoto UniversityTsuneta, S., Hara, H., Shimizu, T., Acton, L. W., Strong, K. T., Hudson, H. S., & Ogawaka, Y.1992, PASJ, 44, L63Vaiana, G. S. & Rosner, R. 1978, ARA&A, 16, 393van den Oord, G. H. J., Mewe, R., & Br<strong>in</strong>kman, A. C. 1988, A&A, 205, 181Vrba, F. J., Strom, K. M., Strom, S. E., & Grasdalen, G. L.Waters, L. B. F. M. & Waelkens, C. 1998, ARA&A, 36, 233Welty, A. D. 1995, AJ, 110, 776Weisskopf, M. C., Br<strong>in</strong>kman, B., Canizares, C., Garmire, G., Mur<strong>ray</strong>, S., van Speybroeck, L. P.2002, PASP, 114, 1Wilk<strong>in</strong>g, B. A. & Lada, C. J. 1983, ApJ, 274, 698Wilk<strong>in</strong>g, B. A. Schwartz, R. D., & Blackwell, J. H. 1987, AJ, 94, 106Wilk<strong>in</strong>g, B. A., Lada, C. J., & <strong>Young</strong>, E. T. 1989, ApJ, 340, 823Wilk<strong>in</strong>g, B. A., Greene, T. P., & Meyer, M. R. 1999, AJ, 117, 469Xu, J. J., Wang, Z. R., & Qu, Q. Y. 1992, A&A, 256, 483Yamauchi, S., Koyama, K., Sakano, M., Okada, K. 1996, PASJ, 48, 719
BIBLIOGRAPHY 143Yokoyama, T. & Shibata, K. 1998, ApJ, 494, L113Yokoyama, T., Akita, K., Morimoto, T., Inoue, K., & Newmark, J. 2001, ApJ, 546, L72Yokoyama, T. & Shibata, K. 2001, ApJ, 549, 1160<strong>Young</strong>, E. T., Lada, C. J., & Wilk<strong>in</strong>g, B. A. 1986, ApJ, 304, L45Yu, T., & Chern<strong>in</strong>, L. M. 1997, ApJ, 479, L63Zhang, Q., Wootten, A., & Ho, P. T. 1997, ApJ, 475, 713
- Page 3:
Contents1 Introduction 12 Review of
- Page 9 and 10:
List of Figures2.1 The H-R diagram
- Page 11 and 12:
LIST OF FIGURESix6.17 Light curves
- Page 13 and 14:
List of Tables3.1 Multiwavelength s
- Page 15 and 16:
Chapter 1IntroductionStar formation
- Page 17 and 18:
Chapter 2Review of Low-mass Young S
- Page 19 and 20:
2.1. EVOLUTION OF LOW-MASS STARS 5w
- Page 21 and 22:
2.2. MOLECULAR CLOUDS 72.2 Molecula
- Page 23 and 24:
2.3. X-RAY OBSERVATIONS OF LOW-MASS
- Page 25 and 26:
2.3. X-RAY OBSERVATIONS OF LOW-MASS
- Page 27:
2.3. X-RAY OBSERVATIONS OF LOW-MASS
- Page 30 and 31:
16 CHAPTER 3. REVIEW OF THE ρ OPHI
- Page 32 and 33:
18 CHAPTER 3. REVIEW OF THE ρ OPHI
- Page 34 and 35:
20 CHAPTER 3. REVIEW OF THE ρ OPHI
- Page 36 and 37:
22 CHAPTER 4. INSTRUMENTATIONrespec
- Page 38 and 39:
24 CHAPTER 4. INSTRUMENTATIONangle
- Page 40 and 41:
26 CHAPTER 4. INSTRUMENTATIONThe AC
- Page 42 and 43:
¨28 CHAPTER 4. INSTRUMENTATIONspli
- Page 44 and 45:
30 CHAPTER 4. INSTRUMENTATIONTable
- Page 46 and 47:
32 CHAPTER 5. CHANDRA OBSERVATIONS
- Page 48 and 49:
34 CHAPTER 5. CHANDRA OBSERVATIONS
- Page 50 and 51:
36 CHAPTER 5. CHANDRA OBSERVATIONS
- Page 52 and 53:
38 CHAPTER 5. CHANDRA OBSERVATIONS
- Page 54 and 55:
40 CHAPTER 5. CHANDRA OBSERVATIONS
- Page 56 and 57:
42 CHAPTER 5. CHANDRA OBSERVATIONS
- Page 58 and 59:
44 CHAPTER 5. CHANDRA OBSERVATIONS
- Page 60 and 61:
46 CHAPTER 5. CHANDRA OBSERVATIONS
- Page 62 and 63:
48 CHAPTER 5. CHANDRA OBSERVATIONS
- Page 64 and 65:
50 CHAPTER 5. CHANDRA OBSERVATIONS
- Page 66 and 67:
52 CHAPTER 5. CHANDRA OBSERVATIONS
- Page 68 and 69:
54 CHAPTER 5. CHANDRA OBSERVATIONS
- Page 70 and 71:
56 CHAPTER 5. CHANDRA OBSERVATIONS
- Page 72 and 73:
58 CHAPTER 6. INDIVIDUAL SOURCEShig
- Page 74 and 75:
60 CHAPTER 6. INDIVIDUAL SOURCESres
- Page 76 and 77:
62 CHAPTER 6. INDIVIDUAL SOURCES6.2
- Page 78 and 79:
64 CHAPTER 6. INDIVIDUAL SOURCESfla
- Page 80 and 81:
66 CHAPTER 6. INDIVIDUAL SOURCESTab
- Page 82 and 83:
68 CHAPTER 6. INDIVIDUAL SOURCESUsi
- Page 84 and 85:
70 CHAPTER 6. INDIVIDUAL SOURCESlos
- Page 86 and 87:
72 CHAPTER 6. INDIVIDUAL SOURCES6.3
- Page 88 and 89:
74 CHAPTER 6. INDIVIDUAL SOURCESdes
- Page 90 and 91:
76 CHAPTER 6. INDIVIDUAL SOURCESocc
- Page 92 and 93:
78 CHAPTER 6. INDIVIDUAL SOURCES6.4
- Page 94 and 95:
80 CHAPTER 6. INDIVIDUAL SOURCES6.4
- Page 96 and 97:
82 CHAPTER 6. INDIVIDUAL SOURCES6.5
- Page 98 and 99:
84 CHAPTER 6. INDIVIDUAL SOURCES6.5
- Page 100 and 101:
86 CHAPTER 6. INDIVIDUAL SOURCEStha
- Page 102 and 103:
88 CHAPTER 6. INDIVIDUAL SOURCES1ke
- Page 104 and 105:
90 CHAPTER 6. INDIVIDUAL SOURCESThe
- Page 106 and 107: 92 CHAPTER 6. INDIVIDUAL SOURCESFig
- Page 108 and 109: 94 CHAPTER 6. INDIVIDUAL SOURCESPra
- Page 110 and 111: 96 CHAPTER 7. OVERALL FEATURE OF X-
- Page 112 and 113: 98 CHAPTER 7. OVERALL FEATURE OF X-
- Page 114 and 115: 100 CHAPTER 7. OVERALL FEATURE OF X
- Page 116 and 117: 102 CHAPTER 7. OVERALL FEATURE OF X
- Page 118 and 119: 104 CHAPTER 7. OVERALL FEATURE OF X
- Page 121 and 122: Chapter 8Systematic Study of YSO Fl
- Page 123 and 124: 8.2. CORRELATION BETWEEN THE FLARE
- Page 125 and 126: 8.3. MAGNETIC RECONNECTION MODEL 11
- Page 127 and 128: 8.5. EFFECT OF THE QUIESCENT X-RAYS
- Page 129 and 130: 8.6. EVOLUTION OF YSOS AND THEIR FL
- Page 131 and 132: Chapter 9ConclusionWe summarize the
- Page 133 and 134: Appendix AFlare Light CurvesFig. A.
- Page 135 and 136: Fig.A.2 (Continued)121
- Page 137: Fig. A.4.— Same as Figure A.1, bu
- Page 140 and 141: 126 APPENDIX B. PHYSICAL PARAMETERS
- Page 142 and 143: 128 APPENDIX B. PHYSICAL PARAMETERS
- Page 145 and 146: Appendix CModeling of the FlareIn t
- Page 147 and 148: C.2. PREDICTED CORRELATIONS BETWEEN
- Page 149 and 150: BibliographyAgeorges, N., Eckart, A
- Page 151 and 152: BIBLIOGRAPHY 137Feigelson, E. D., &
- Page 153 and 154: BIBLIOGRAPHY 139Johnstone, D., Wils
- Page 155: BIBLIOGRAPHY 141Rutledge, R. E., Ba