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Annual Review of Astronomy and Astrophysics

Volume 62, 2024

Solar Flare Spectroscopy

Abstract

This review covers the techniques, observations, and inferences of solar flare spectroscopy. It is not a spectroscopist's view of solar flares but rather a solar flare physicist's view of spectroscopy. Spectroscopy is carried out across the electromagnetic spectrum, but this review emphasizes the optical to soft X-ray part of the spectrum and discusses results from spectroscopy applied to the preflare, impulsive, and gradual phases, as well as a few highlights from modeling.

  • ▪  The main spectroscopic signatures of the preflare phase are line broadening in optically thin ultraviolet to soft X-ray lines and small Doppler shifts in active region filaments that are becoming unstable.
  • ▪  In the impulsive phase, fast upflows of heated plasma into the corona and slow downflows of cooler chromospheric plasma take place at the sites of strong chromospheric energy deposition.
  • ▪  Radiation-hydrodynamic modeling of optically thick spectral lines gives a picture of an impulsive-phase chromosphere with a dense, heated layer deep in the atmosphere and an overlying, downward moving condensation that is partially optically thin.
  • ▪  Gradual-phase observations show us the heated coronal plasma cooling and draining but also provide evidence for ongoing slow energy input and slow upflows in other locations.
  • ▪  Interesting hints of non-Maxwellian and nonequilibrium plasmas have been found, along with possible evidence of plasma turbulence from line broadening.

Keyword(s): solar activity, solar flares, spectroscopy
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2024-09-13
2024-10-03
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Literature Cited

  1. Allred JC, Kerr GS, Gordon Emslie A. 2022.. Astrophys. J. 931:(1):60
     [Crossref] [Google Scholar]
  2. Allred JC, Kowalski AF, Carlsson M. 2015.. Astrophys. J. 809:(1):104
     [Crossref] [Google Scholar]
  3. Antonucci E, Dennis BR. 1983.. Solar Phys. 86::67–76
     [Crossref] [Google Scholar]
  4. Antonucci E, Dennis BR, Gabriel AH, Simnett GM. 1985.. Solar Phys. 96:(1):129–42
     [Crossref] [Google Scholar]
  5. Antonucci E, Gabriel AH, Acton LW, et al. 1982.. Solar Phys. 78:(1):107–23
     [Crossref] [Google Scholar]
  6. Asplund M, Grevesse N, Sauval AJ, Scott P. 2009.. Annu. Rev. Astron. Astrophys. 47::481–522
     [Crossref] [Google Scholar]
  7. Awasthi AK, Rudawy P, Falewicz R, Berlicki A, Liu R. 2018.. Astrophys. J. 858:(2):98
     [Crossref] [Google Scholar]
  8. Baker D, van Driel-Gesztelyi L, Brooks DH, et al. 2019.. Astrophys. J. 875:(1):35
     [Crossref] [Google Scholar]
  9. Bamba Y, Lee KS, Imada S, Kusano K. 2017.. Astrophys. J. 840:(2):116
     [Crossref] [Google Scholar]
  10. Battaglia M, Kleint L, Krucker S, Graham D. 2015.. Astrophys. J. 813:(2):113
     [Crossref] [Google Scholar]
  11. Bellot Rubio L, Orozco Suárez D. 2019.. Living Rev. Solar Phys. 16:(1):1
     [Crossref] [Google Scholar]
  12. Bentley RD, Doschek GA, Simnett GM, et al. 1994.. Astrophys. J. Lett. 421::L55–58
     [Crossref] [Google Scholar]
  13. Benz AO. 2017.. Living Rev. Solar Phys. 14:(1):2
     [Crossref] [Google Scholar]
  14. Berlicki A, Heinzel P, Schmieder B, Mein P, Mein N. 2005.. Astron. Astrophys. 430::679–89
     [Crossref] [Google Scholar]
  15. Bianda M, Benz AO, Stenflo JO, Küveler G, Ramelli R. 2005.. Astron. Astrophys. 434:(3):1183–89
     [Crossref] [Google Scholar]
  16. Bradshaw SJ. 2009.. Astron. Astrophys. 502:(1):409–18
     [Crossref] [Google Scholar]
  17. Bradshaw SJ, Mason HE. 2003.. Astron. Astrophys. 401::699–709
     [Crossref] [Google Scholar]
  18. Brannon SR, Longcope DW, Qiu J. 2015.. Astrophys. J. 810:(1):4
     [Crossref] [Google Scholar]
  19. Brosius JW. 2001.. Astrophys. J. 555:(1):435–39
     [Crossref] [Google Scholar]
  20. Brosius JW. 2009.. Astrophys. J. 701:(2):1209–18
     [Crossref] [Google Scholar]
  21. Brosius JW, Daw AN. 2015.. Astrophys. J. 810:(1):45
     [Crossref] [Google Scholar]
  22. Brosius JW, Inglis AR. 2017.. Astrophys. J. 848:(1):39
     [Crossref] [Google Scholar]
  23. Canfield RC, Chang CR. 1985.. Astrophys. J. 295::275–84
     [Crossref] [Google Scholar]
  24. Canfield RC, Penn MJ, Wulser JP, Kiplinger AL. 1990a.. Astrophys. J. 363::318
     [Crossref] [Google Scholar]
  25. Canfield RC, Zarro DM, Metcalf TR, Lemen JR. 1990b.. Astrophys. J. 348::333
     [Crossref] [Google Scholar]
  26. Carrington RC. 1859.. MNRAS 20::13–16
     [Crossref] [Google Scholar]
  27. Cauzzi G, Falchi A, Falciani R, Smaldone LA. 1996.. Astron. Astrophys. 306::625
     [Google Scholar]
  28. Cheung MCM, Isobe H. 2014.. Living Rev. Solar Phys. 11:(1):3
     [Google Scholar]
  29. Cheung MCM, Martínez-Sykora J, Testa P, et al. 2022.. Astrophys. J. 926:(1):53
     [Crossref] [Google Scholar]
  30. Cheung MCM, Rempel M, Chintzoglou G, et al. 2019.. Nat. Astron. 3::160–66
     [Crossref] [Google Scholar]
  31. Cho K, Lee J, Chae J, et al. 2016.. Solar Phys. 291:(8):2391–406
     [Crossref] [Google Scholar]
  32. Crannell CJ, Joyce G, Ramaty R, Werntz C. 1976.. Astrophys. J. 210::582–92
     [Crossref] [Google Scholar]
  33. Czaykowska A, Alexander D, De Pontieu B. 2001.. Astrophys. J. 552::849–57
     [Crossref] [Google Scholar]
  34. Czaykowska A, De Pontieu B, Alexander D, Rank G. 1999.. Astrophys. J. Lett. 521::L75–78
     [Crossref] [Google Scholar]
  35. de la Cruz Rodríguez J, Leenaarts J, Danilovic S, Uitenbroek H. 2019.. Astron. Astrophys. 623::A74
     [Crossref] [Google Scholar]
  36. Del Zanna G, Dere KP, Young PR, Landi E. 2021.. Astrophys. J. 909:(1):38
     [Crossref] [Google Scholar]
  37. Del Zanna G, Mason HE. 2018.. Living Rev. Solar Phys. 15:(1):5
     [Crossref] [Google Scholar]
  38. Del Zanna G, Mitra-Kraev U, Bradshaw SJ, Mason HE, Asai A. 2011.. Astron. Astrophys. 526::A1
     [Crossref] [Google Scholar]
  39. Del Zanna G, Woods TN. 2013.. Astron. Astrophys. 555::A59
     [Crossref] [Google Scholar]
  40. Dennis BR, Phillips KJH, Schwartz RA, et al. 2015.. Astrophys. J. 803:(2):67
     [Crossref] [Google Scholar]
  41. Dere KP, Landi E, Mason HE, Monsignori Fossi BC, Young PR. 1997.. Astron. Astrophys. Suppl. 125::149–73
     [Crossref] [Google Scholar]
  42. Doschek GA. 1990.. Astrophys. J. Suppl. 73::117–30
     [Crossref] [Google Scholar]
  43. Doschek GA. 2006.. Adv. Space Res. 38:(7):1482–89
     [Crossref] [Google Scholar]
  44. Doschek GA, Mariska JT, Watanabe T, et al. 1992.. Publ. Astron. Soc. Jpn. 44::L95–99
     [Google Scholar]
  45. Doschek GA, McKenzie DE, Warren HP. 2014.. Astrophys. J. 788:(1):26
     [Crossref] [Google Scholar]
  46. Doschek GA, Warren HP. 2005.. Astrophys. J. 629::1150–63
     [Crossref] [Google Scholar]
  47. Doschek GA, Warren HP, Feldman U. 2015.. Astrophys. J. Lett. 808:(1):L7
     [Crossref] [Google Scholar]
  48. Druett MK, Zharkova VV. 2018.. Astron. Astrophys. 610::A68
     [Crossref] [Google Scholar]
  49. Dudík J, Polito V, Janvier M, et al. 2016.. Astrophys. J. 823:(1):41
     [Crossref] [Google Scholar]
  50. Dulk GA. 1985.. Annu. Rev. Astron. Astrophys. 23::169–224
     [Crossref] [Google Scholar]
  51. Dzifčáková E, Dudík J, Zemanová A, Lörinčík J, Karlický M. 2021.. Astrophys. J. Suppl. 257:(2):62
     [Crossref] [Google Scholar]
  52. Dzifčáková E, Kulinová A. 2010.. Solar Phys. 263:(1–2):25–41
     [Crossref] [Google Scholar]
  53. Dzifčáková E, Zemanová A, Dudík J, Mackovjak Š. 2018.. Astrophys. J. 853:(2):158
     [Crossref] [Google Scholar]
  54. Effenberger F, Jeffrey NLS. 2021.. Non-thermal and Kappa distributions in solar flare radiative signatures. . In Kappa Distributions: From Observational Evidences via Controversial Predictions to a Consistent Theory of Nonequilibrium Plasmas, ed. M Lazar, H Fichtner , pp. 89–103. Cham, Switz:.: Springer
     [Google Scholar]
  55. Emslie AG, Dennis BR, Shih AY, et al. 2012.. Astrophys. J. 759:(1):71
     [Crossref] [Google Scholar]
  56. Falchi A, Qiu J, Cauzzi G. 1997.. Astron. Astrophys. 328::371–80
     [Google Scholar]
  57. Feldman U, Dammasch I, Landi E, Doschek GA. 2004.. Astrophys. J. 609::439–51
     [Crossref] [Google Scholar]
  58. Feldman U, Doschek GA, Behring WE, Phillips KJH. 1996.. Astrophys. J. 460::1034–41
     [Crossref] [Google Scholar]
  59. Feldman U, Hiei E, Phillips KJH, Brown CM, Lang J. 1994.. Astrophys. J. 421::843–50
     [Crossref] [Google Scholar]
  60. Fletcher L, Dennis BR, Hudson HS, et al. 2011.. Space Sci. Rev. 159:(1–4):19
     [Crossref] [Google Scholar]
  61. Fletcher L, Hudson HS. 2008.. Astrophys. J. 675::1645–55
     [Crossref] [Google Scholar]
  62. Fludra A, Schmelz JT. 1999.. Astron. Astrophys. 348::286–94
     [Google Scholar]
  63. French RJ, Matthews SA, van Driel-Gesztelyi L, Long DM, Judge PG. 2020.. Astrophys. J. 900:(2):192
     [Crossref] [Google Scholar]
  64. Fritzová-Švestková L, Švestka Z. 1967.. Solar Phys. 2:(1):87–97
     [Crossref] [Google Scholar]
  65. Gary DE. 2023.. Annu. Rev. Astron. Astrophys. 61::427–72
     [Crossref] [Google Scholar]
  66. Gary DE, Chen B, Dennis BR, et al. 2018.. Astrophys. J. 863:(1):83
     [Crossref] [Google Scholar]
  67. Giuliani P, Neukirch T, Wood P. 2005.. Astrophys. J. 635:(1):636–46
     [Crossref] [Google Scholar]
  68. Gömöry P, Veronig AM, Su Y, Temmer M, Thalmann JK. 2016.. Astron. Astrophys. 588::A6
     [Crossref] [Google Scholar]
  69. Graham DR, Cauzzi G. 2015.. Astrophys. J. Lett. 807:(2):L22
     [Crossref] [Google Scholar]
  70. Graham DR, Cauzzi G, Zangrilli L, et al. 2020.. Astrophys. J. 895:(1):6
     [Crossref] [Google Scholar]
  71. Graham DR, Fletcher L, Hannah IG. 2011.. Astron. Astrophys. 532::A27
     [Crossref] [Google Scholar]
  72. Graham DR, Fletcher L, Labrosse N. 2015.. Astron. Astrophys. 584::A6
     [Crossref] [Google Scholar]
  73. Graham DR, Hannah IG, Fletcher L, Milligan RO. 2013.. Astrophys. J. 767:(1):83
     [Crossref] [Google Scholar]
  74. Hale GE. 1931.. Astrophys. J. 73::379
     [Crossref] [Google Scholar]
  75. Harra LK, Matthews S, Culhane JL, et al. 2013.. Astrophys. J. 774:(2):122
     [Crossref] [Google Scholar]
  76. Harra LK, Matthews SA, Culhane JL. 2001.. Astrophys. J. Lett. 549::L245–48
     [Crossref] [Google Scholar]
  77. Heinzel P, Karlicky M, Kotrc P, Svestka Z. 1994.. Solar Phys. 152:(2):393–408
     [Crossref] [Google Scholar]
  78. Hénoux JC, Chambe G, Smith D, et al. 1990.. Astrophys. J. Suppl. 73::303–11
     [Crossref] [Google Scholar]
  79. Hodgson R. 1859.. MNRAS 20::15–16
     [Crossref] [Google Scholar]
  80. Hudson HS, Fletcher L, MacKinnon AL, Woods TN. 2012.. Astrophys. J. 752:(2):84
     [Crossref] [Google Scholar]
  81. Hudson HS, Strong KT, Dennis BR, et al. 1994.. Astrophys. J. Lett. 422::L25–27
     [Crossref] [Google Scholar]
  82. Hudson HS, Woods TN, Chamberlin PC, et al. 2011.. Solar Phys. 273:(1):69–80
     [Crossref] [Google Scholar]
  83. Ichimoto K, Kurokawa H. 1984.. Solar Phys. 93:(1):105–21
     [Crossref] [Google Scholar]
  84. Imada S, Bamba Y, Kusano K. 2014.. Publ. Astron. Soc. Jpn. 66::S17
     [Crossref] [Google Scholar]
  85. Imada S, Murakami I, Watanabe T. 2015.. Phys. Plasmas 22:(10):101206
     [Crossref] [Google Scholar]
  86. Janvier M, Aulanier G, Démoulin P. 2015.. Solar Phys. 290:(12):3425–56
     [Crossref] [Google Scholar]
  87. Jeffrey NLS, Fletcher L, Labrosse N. 2016.. Astron. Astrophys. 590::A99
     [Crossref] [Google Scholar]
  88. Jeffrey NLS, Fletcher L, Labrosse N. 2017.. Astrophys. J. 836:(1):35
     [Crossref] [Google Scholar]
  89. Jeffrey NLS, Fletcher L, Labrosse N, Simões PJA. 2018.. Sci. Adv. 4:(12):2794
     [Crossref] [Google Scholar]
  90. Jing J, Xu Y, Cao W, et al. 2016.. Sci. Rep. 6::24319
     [Crossref] [Google Scholar]
  91. Johns-Krull CM, Hawley SL, Basri G, Valenti JA. 1997.. Astrophys. J. Suppl. 112:(1):221–43
     [Crossref] [Google Scholar]
  92. Judge PG. 2020.. MNRAS 491:(1):576–79
     [Crossref] [Google Scholar]
  93. Judge PG, Kleint L, Donea A, Sainz Dalda A, Fletcher L. 2014.. Astrophys. J. 796:(2):85
     [Crossref] [Google Scholar]
  94. Kawate T, Keenan FP, Jess DB. 2016.. Astrophys. J. 826:(1):3
     [Crossref] [Google Scholar]
  95. Kerr GS. 2022.. Front. Astron. Space Sci. 9::1060856
     [Crossref] [Google Scholar]
  96. Kerr GS, Fletcher L, Russell AJB, Allred JC. 2016.. Astrophys. J. 827:(2):101
     [Crossref] [Google Scholar]
  97. Kleint L. 2017.. Astrophys. J. 834:(1):26
     [Crossref] [Google Scholar]
  98. Kleint L, Battaglia M, Reardon K, et al. 2015.. Astrophys. J. 806:(1):9
     [Crossref] [Google Scholar]
  99. Kleint L, Heinzel P, Judge P, Krucker S. 2016.. Astrophys. J. 816:(2):88
     [Crossref] [Google Scholar]
  100. Kontar EP, Brown JC, Emslie AG, et al. 2011.. Space Sci. Rev. 159:(1–4):301–55
     [Crossref] [Google Scholar]
  101. Kontar EP, Perez JE, Harra LK, et al. 2017.. Phys. Rev. Lett. 118:(15):155101
     [Crossref] [Google Scholar]
  102. Kowalski AF, Allred JC, Carlsson M, et al. 2022.. Astrophys. J. 928:(2):190
     [Crossref] [Google Scholar]
  103. Kowalski AF, Allred JC, Daw A, Cauzzi G, Carlsson M. 2017.. Astrophys. J. 836:(1):12
     [Crossref] [Google Scholar]
  104. Kowalski AF, Cauzzi G, Fletcher L. 2015.. Astrophys. J. 798:(2):107
     [Crossref] [Google Scholar]
  105. Krucker S, Hudson HS, Jeffrey NLS, et al. 2011.. Astrophys. J. 739:(2):96
     [Crossref] [Google Scholar]
  106. Kuridze D, Mathioudakis M, Morgan H, et al. 2019.. Astrophys. J. 874:(2):126
     [Crossref] [Google Scholar]
  107. Kuridze D, Mathioudakis M, Simões PJA, et al. 2015.. Astrophys. J. 813:(2):125
     [Crossref] [Google Scholar]
  108. Lacatus DA, Judge PG, Donea A. 2017.. Astrophys. J. 842:(1):15
     [Crossref] [Google Scholar]
  109. Laming JM. 2012.. Astrophys. J. 744:(2):115
     [Crossref] [Google Scholar]
  110. Landi E, Hutton R, Brage T, Li W. 2020.. Astrophys. J. 904:(2):87
     [Crossref] [Google Scholar]
  111. Landi E, Li W, Brage T, Hutton R. 2021.. Astrophys. J. 913:(1):1
     [Crossref] [Google Scholar]
  112. Larosa TN, Moore RL, Miller JA, Shore SN. 1996.. Astrophys. J. 467::454
     [Crossref] [Google Scholar]
  113. Lee KS, Imada S, Watanabe K, Bamba Y, Brooks DH. 2017.. Astrophys. J. 836:(2):150
     [Crossref] [Google Scholar]
  114. Li D, Ning ZJ, Huang Y, et al. 2017.. Astrophys. J. 849:(2):113
     [Crossref] [Google Scholar]
  115. Li D, Yuan D, Su YN, et al. 2018.. Astron. Astrophys. 617::A86
     [Crossref] [Google Scholar]
  116. Li W, Yang Y, Tu B, et al. 2016.. Astrophys. J. 826:(2):219
     [Crossref] [Google Scholar]
  117. Li Y, Ding MD. 2011.. Astrophys. J. 727:(2):98
     [Crossref] [Google Scholar]
  118. Li Y, Ding MD, Hong J, Li H, Gan WQ. 2019.. Astrophys. J. 879:(1):30
     [Crossref] [Google Scholar]
  119. Li Y, Ding MD, Qiu J, Cheng JX. 2015.. Astrophys. J. 811:(1):7
     [Crossref] [Google Scholar]
  120. Libbrecht T, de la Cruz Rodríguez J, Danilovic S, Leenaarts J, Pazira H. 2019.. Astron. Astrophys. 621::A35
     [Crossref] [Google Scholar]
  121. Liu W, Petrosian V, Mariska JT. 2009.. Astrophys. J. 702:(2):1553–66
     [Crossref] [Google Scholar]
  122. Longcope DW, Guidoni SE, Linton MG. 2009.. Astrophys. J. Lett. 690:(1):L18–22
     [Crossref] [Google Scholar]
  123. Longcope DW, Tarr L. 2012.. Astrophys. J. 756:(2):192
     [Crossref] [Google Scholar]
  124. Lörinčík J, Dudík J, Polito V. 2022.. Astrophys. J. 934:(1):80
     [Crossref] [Google Scholar]
  125. Machado ME, Avrett EH, Vernazza JE, Noyes RW. 1980.. Astrophys. J. 242::336–51
     [Crossref] [Google Scholar]
  126. Machado ME, Rust DM. 1974.. Solar Phys. 38:(2):499–516
     [Crossref] [Google Scholar]
  127. Mackovjak Š, Dzifčáková E, Dudík J. 2013.. Solar Phys. 282:(1):263–81
     [Crossref] [Google Scholar]
  128. Mandage RS, Bradshaw SJ. 2020.. Astrophys. J. 891:(2):122
     [Crossref] [Google Scholar]
  129. Mariska JT. 1994.. Astrophys. J. 434::756
     [Crossref] [Google Scholar]
  130. Mariska JT. 2005.. Astrophys. J. Lett. 620:(1):L67–70
     [Crossref] [Google Scholar]
  131. Mariska JT, Doschek GA, Bentley RD. 1993.. Astrophys. J. 419::418
     [Crossref] [Google Scholar]
  132. Mason HE, Bhatia AK, Kastner SO, Neupert WM, Swartz M. 1984.. Solar Phys. 92:(1–2):199–216
     [Crossref] [Google Scholar]
  133. Matthews SA, Harra LK, Zharkov S, Green LM. 2015.. Astrophys. J. 812:(1):35
     [Crossref] [Google Scholar]
  134. McTiernan JM, Fisher GH, Li P. 1999.. Astrophys. J. 514:(1):472–83
     [Crossref] [Google Scholar]
  135. Metcalf TR, Canfield RC, Avrett EH, Metcalf FT. 1990.. Astrophys. J. 350::463
     [Crossref] [Google Scholar]
  136. Mikuła K, Heinzel P, Liu W, Berlicki A. 2017.. Astrophys. J. 845:(1):30
     [Crossref] [Google Scholar]
  137. Milligan RO. 2011.. Astrophys. J. 740:(2):70
     [Crossref] [Google Scholar]
  138. Milligan RO. 2015.. Solar Phys. 290:(12):3399–423
     [Crossref] [Google Scholar]
  139. Milligan RO, Dennis BR. 2009.. Astrophys. J. 699::968–75
     [Crossref] [Google Scholar]
  140. Milligan RO, Gallagher PT, Mathioudakis M, Keenan FP. 2006.. Astrophys. J. Lett. 642::L169–71
     [Crossref] [Google Scholar]
  141. Milligan RO, Ireland J. 2018.. Solar Phys. 293:(2):18
     [Crossref] [Google Scholar]
  142. Milligan RO, Kennedy MB, Mathioudakis M, Keenan FP. 2012.. Astrophys. J. Lett. 755:(1):L16
     [Crossref] [Google Scholar]
  143. Milligan RO, Kerr GS, Dennis BR, et al. 2014.. Astrophys. J. 793:(2):70
     [Crossref] [Google Scholar]
  144. Mondal B, Sarkar A, Vadawale SV, et al. 2021.. Astrophys. J. 920:(1):4
     [Crossref] [Google Scholar]
  145. Mulay SM, Fletcher L. 2021.. MNRAS 504:(2):2842–52
     [Crossref] [Google Scholar]
  146. Murphy RJ, Share GH, Skibo JG, Kozlovsky B. 2005.. Astrophys. J. Suppl. 161:(2):495–519
     [Crossref] [Google Scholar]
  147. Orrall FQ, Zirker JB. 1976.. Astrophys. J. 208::618–32
     [Crossref] [Google Scholar]
  148. Osborne CMJ, Armstrong JA, Fletcher L. 2019.. Astrophys. J. 873:(2):128
     [Crossref] [Google Scholar]
  149. Osborne CMJ, Fletcher L. 2022.. MNRAS 516:(4):6066–74
     [Crossref] [Google Scholar]
  150. Osborne CMJ, Milić I. 2021.. Astrophys. J. 917:(1):14
     [Crossref] [Google Scholar]
  151. Panos B, Kleint L. 2020.. Astrophys. J. 891:(1):17
     [Crossref] [Google Scholar]
  152. Petschek HE. 1964.. Magnetic field annihilation. . In The Physics of Solar Flares, Proceedings of the AAS-NASA Symposium, ed. WN Hess , pp. 425–39. Washington, DC:: Natl. Aeronaut. Space Adm.
     [Google Scholar]
  153. Phillips KJH. 2004.. Astrophys. J. 605::921–30
     [Crossref] [Google Scholar]
  154. Phillips KJH, Bhatia AK, Mason HE, Zarro DM. 1996.. Astrophys. J. 466::549–60
     [Crossref] [Google Scholar]
  155. Phillips KJH, Dennis BR. 2012.. Astrophys. J. 748:(1):52
     [Crossref] [Google Scholar]
  156. Phillips KJH, Feldman U, Harra LK. 2005.. Astrophys. J. 634::641–50
     [Crossref] [Google Scholar]
  157. Polito V, Dudík J, Kašparová J, et al. 2018a.. Astrophys. J. 864:(1):63
     [Crossref] [Google Scholar]
  158. Polito V, Galan G, Reeves KK, Musset S. 2018b.. Astrophys. J. 865:(2):161
     [Crossref] [Google Scholar]
  159. Polito V, Kerr GS, Xu Y, Sadykov VM, Lorincik J. 2023.. Astrophys. J. 944:(1):104
     [Crossref] [Google Scholar]
  160. Polito V, Reep JW, Reeves KK, et al. 2016.. Astrophys. J. 816:(2):89
     [Crossref] [Google Scholar]
  161. Polito V, Testa P, De Pontieu B. 2019.. Astrophys. J. Lett. 879:(2):L17
     [Crossref] [Google Scholar]
  162. Pontin DI, Priest ER. 2022.. Living Rev. Solar Phys. 19:(1):1
     [Crossref] [Google Scholar]
  163. Qiu J, Gary DE. 2003.. Astrophys. J. 599:(1):615–25
     [Crossref] [Google Scholar]
  164. Quintero Noda C, Schlichenmaier R, Bellot Rubio LR, et al. 2022.. Astron. Astrophys. 666::A21
     [Crossref] [Google Scholar]
  165. Reep JW, Polito V, Warren HP, Crump NA. 2018.. Astrophys. J. 856:(2):149
     [Crossref] [Google Scholar]
  166. Reep JW, Russell AJB. 2016.. Astrophys. J. Lett. 818:(1):L20
     [Crossref] [Google Scholar]
  167. Reeves KK, Polito V, Chen B, et al. 2020.. Astrophys. J. 905:(2):165
     [Crossref] [Google Scholar]
  168. Rubio da Costa F, Kleint L. 2017.. Astrophys. J. 842:(2):82
     [Crossref] [Google Scholar]
  169. Rubio da Costa F, Kleint L, Petrosian V, Liu W, Allred JC. 2016.. Astrophys. J. 827:(1):38
     [Crossref] [Google Scholar]
  170. Rutten RJ. 2003.. Radiative transfer in stellar atmospheres. Sterrekundig Inst. Utrecht, Utrecht, Neth:. https://ui.adsabs.harvard.edu/link_gateway/2003rtsa.book.....R/AUTHOR_PDF
    [Google Scholar]
  171. Sainz Dalda A, De Pontieu B. 2023.. Front. Astron. Space Sci. 10::1133429
     [Crossref] [Google Scholar]
  172. Savage SL, Winebarger AR, Kobayashi K, et al. 2023.. Astrophys. J. 945:(2):105
     [Crossref] [Google Scholar]
  173. Shimizu T, Imada S, Kawate T, et al. 2019.. The Solar-C_EUVST mission. . In UV, X-Ray, and Gamma-Ray Space Instrumentation for Astronomy XXI, ed. OH Siegmund . Bellingham, WA:: SPIE. https://doi.org/10.1117/12.2528240
    [Google Scholar]
  174. Simões PJA, Graham DR, Fletcher L. 2015a.. Astron. Astrophys. 577::A68
     [Crossref] [Google Scholar]
  175. Simões PJA, Hudson HS, Fletcher L. 2015b.. Solar Phys. 290:(12):3625–39
     [Crossref] [Google Scholar]
  176. Simões PJA, Kerr GS, Fletcher L, et al. 2017.. Astron. Astrophys. 605::A125
     [Crossref] [Google Scholar]
  177. Socas-Navarro H, de la Cruz Rodríguez J, Asensio Ramos A, Trujillo Bueno J, Ruiz Cobo B. 2015.. Astron. Astrophys. 577::A7
     [Crossref] [Google Scholar]
  178. Stores M, Jeffrey NLS, Kontar EP. 2021.. Astrophys. J. 923:(1):40
     [Crossref] [Google Scholar]
  179. Sun X, Hoeksema JT, Liu Y, et al. 2012.. Astrophys. J. 748:(2):77
     [Crossref] [Google Scholar]
  180. Švestka Z. 1963.. Bull. Astron. Inst. Czechoslov. 14::234
     [Google Scholar]
  181. Švestka Z. 1966.. Space Sci. Rev. 5:(3):388–418
     [Crossref] [Google Scholar]
  182. Sylwester B, Phillips KJH, Sylwester J, Kepa A. 2015.. Astrophys. J. 805:(1):49
     [Crossref] [Google Scholar]
  183. Sylwester B, Sylwester J, Phillips KJH, Kepa A, Mrozek T. 2014.. Astrophys. J. 787:(2):122
     [Crossref] [Google Scholar]
  184. Tian H, Li G, Reeves KK, et al. 2014.. Astrophys. J. Lett. 797:(2):L14
     [Crossref] [Google Scholar]
  185. Tian H, Young PR, Reeves KK, et al. 2015.. Astrophys. J. 811:(2):139
     [Crossref] [Google Scholar]
  186. Tian H, Young PR, Reeves KK, et al. 2016.. Astrophys. J. Lett. 823:(1):L16
     [Crossref] [Google Scholar]
  187. Uitenbroek H. 2001.. Astrophys. J. 557:(1):389–98
     [Crossref] [Google Scholar]
  188. Usoskin IG. 2023.. Living Rev. Solar Phys. 20:(1):2
     [Crossref] [Google Scholar]
  189. Varady M, Kasparova J, Moravec Z, Heinzel P, Karlicky M. 2010.. IEEE Trans. Plasma Sci. 38:(9):2249–53
     [Crossref] [Google Scholar]
  190. Vernazza JE, Avrett EH, Loeser R. 1981.. Astrophys. J. Suppl. 45::635–725
     [Crossref] [Google Scholar]
  191. Vilmer N, MacKinnon AL, Hurford GJ. 2011.. Space Sci. Rev. 159:(1–4):167–224
     [Crossref] [Google Scholar]
  192. Wang J, Simões PJA, Jeffrey NLS, et al. 2017.. Astrophys. J. Lett. 847:(1):L1
     [Crossref] [Google Scholar]
  193. Warren HP. 2014.. Astrophys. J. Lett. 786:(1):L2
     [Crossref] [Google Scholar]
  194. Watanabe T, Hara H, Sterling AC, Harra LK. 2010.. Astrophys. J. 719:(1):213–19
     [Crossref] [Google Scholar]
  195. Woods MM, Sainz Dalda A, De Pontieu B. 2021.. Astrophys. J. 922:(2):137
     [Crossref] [Google Scholar]
  196. Woods TN, Eparvier FG, Fontenla J, et al. 2004.. Geophys. Res. Lett. 31::L10802
     [Crossref] [Google Scholar]
  197. Wuelser JP, Canfield RC, Acton LW, et al. 1994.. Astrophys. J. 424::459
     [Crossref] [Google Scholar]
  198. Xu Y, Cao W, Ding M, et al. 2016.. Astrophys. J. 819:(2):89
     [Crossref] [Google Scholar]
  199. Young PR, Doschek GA, Warren HP, Hara H. 2013.. Astrophys. J. 766:(2):127
     [Crossref] [Google Scholar]
  200. Young PR, Tian H, Jaeggli S. 2015.. Astrophys. J. 799:(2):218
     [Crossref] [Google Scholar]
  201. Zhu Y, Kowalski AF, Tian H, et al. 2019.. Astrophys. J. 879:(1):19
     [Crossref] [Google Scholar]
/content/journals/10.1146/annurev-astro-052920-010547
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Solar Flare Spectroscopy
Annual Review of Astronomy and Astrophysics 62, 437 (2024); https://doi.org/10.1146/annurev-astro-052920-010547
/content/journals/10.1146/annurev-astro-052920-010547
/content/journals/10.1146/annurev-astro-052920-010547
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