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Abstract:

Context. EIT waves are freely-propagating global pulses in the low corona which are strongly associated with the initial evolution of coronal mass ejections (CMEs). They are thought to be large-Amplitude, fast-mode magnetohydrodynamic waves initially driven by the rapid expansion of a CME in the low corona. Aims. An EIT wave was observed on 6 July 2012 to impact an adjacent trans-equatorial loop system which then exhibited a decaying oscillation as it returned to rest. Observations of the loop oscillations were used to estimate the magnetic field strength of the loop system by studying the decaying oscillation of the loop, measuring the propagation of ubiquitous transverse waves in the loop and extrapolating the magnetic field from observed magnetograms. Methods. Observations from the Atmospheric Imaging Assembly onboard the Solar Dynamics Observatory (SDO/AIA) and the Coronal Multi-channel Polarimeter (CoMP) were used to study the event. An Empirical Mode Decomposition analysis was used to characterise the oscillation of the loop system in CoMP Doppler velocity and line width and in AIA intensity. Results. The loop system was shown to oscillate in the 2nd harmonic mode rather than at the fundamental frequency, with the seismological analysis returning an estimated magnetic field strength of 5.5 ± 1.5 G. This compares to the magnetic field strength estimates of 1-9 G and 3-9 G found using the measurements of transverse wave propagation and magnetic field extrapolation respectively. © ESO, 2017.

Registro:

Documento: Artículo
Título:Measuring the magnetic field of a trans-equatorial loop system using coronal seismology
Autor:Long, D.M.; Valori, G.; Pérez-Suárez, D.; Morton, R.J.; Vásquez, A.M.
Filiación:UCL-Mullard Space Science Laboratory, Holmbury House, Holmbury St. Mary, Dorking, Surrey, RH5 6NT, United Kingdom
Mathematics, Physics and Electrical Engineering, Northumbria University, Newcastle Upon Tyne, NE1 8ST, United Kingdom
Instituto de Astronomía y Física Del Espacio (IAFE), CONICET-UBA, Buenos Aires, Argentina
Facultad de Ciencias Exactas y Naturales (FCEN), UBA, Buenos Aires, Argentina
Palabras clave:Sun: corona; Sun: magnetic fields; Sun: oscillations; Astrophysics; Extrapolation; Magnetohydrodynamics; Seismology; Shear waves; Solar system; Wave propagation; Empirical Mode Decomposition; Magnetic field extrapolations; Magnetohydrodynamic waves; Solar dynamics observatories; Sun : corona; Sun: magnetic field; Sun: oscillations; Transverse wave propagation; Magnetic field measurement
Año:2017
Volumen:603
DOI: http://dx.doi.org/10.1051/0004-6361/201730413
Título revista:Astronomy and Astrophysics
Título revista abreviado:Astron. Astrophys.
ISSN:00046361
CODEN:AAEJA
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00046361_v603_n_p_Long

Referencias:

  • Aschwanden, M.J., Schrijver, C.J., (2011) ApJ, 736, p. 102
  • Aschwanden, M.J., Fletcher, L., Schrijver, C.J., Alexander, D., (1999) ApJ, 520, p. 880
  • Attrill, G.D.R., Harra, L.K., Van Driel-Gesztelyi, L., Démoulin, P., (2007) ApJ, 656, p. L101
  • Ballai, I., (2007) Sol. Phys, 246, p. 177
  • Ballai, I., Douglas, M., Marcu, A., (2008) A&A, 488, p. 1125
  • Ballai, I., Jess, D.B., Douglas, M., (2011) A&A, 534, p. A13
  • Brooks, D.H., Warren, H.P., Ugarte-Urra, I., Winebarger, A.R., (2013) ApJ, 772, p. L19
  • Chen, P.F., Wu, S.T., Shibata, K., Fang, C., (2002) ApJ, 572, p. L99
  • Chen, P.F., Fang, C., Shibata, K., (2005) ApJ, 622, p. 1202
  • Culhane, J.L., Harra, L.K., James, A.M., (2007) Sol. Phys, 243, p. 19
  • Delaboudinière, J.-P., Artzner, G.E., Brunaud, J., (1995) Sol. Phys, 162, p. 291
  • Delannée, C., (2000) ApJ, 545, p. 512
  • Delannée, C., Aulanier, G., (1999) Sol. Phys, 190, p. 107
  • Delannée, C., Török, T., Aulanier, G., Hochedez, J.-F., (2008) Sol. Phys, 247, p. 123
  • Dere, K.P., Brueckner, G.E., Howard, R.A., (1997) Sol. Phys, 175, p. 601
  • Domingo, V., Fleck, B., Poland, A.I., (1995) Sol. Phys, 162, p. 1
  • Flower, D.R., Des Forets, G., (1973) A&A, 24, p. 181. , Pineau
  • Gallagher, P.T., Long, D.M., (2011) Space Sci. Rev, 158, p. 365
  • Gopalswamy, N., Yashiro, S., Temmer, M., (2009) ApJ, 691, p. L123
  • Grechnev, V.V., Uralov, A.M., Slemzin, V.A., (2008) Sol. Phys, 253, p. 263
  • Grechnev, V.V., Afanasyev, A.N., Uralov, A.M., (2011) Sol. Phys, 273, p. 461
  • Guo, Y., Erdélyi, R., Srivastava, A.K., (2015) ApJ, 799, p. 151
  • Handy, B.N., Acton, L.W., Kankelborg, C.C., (1999) Sol. Phys, 187, p. 229
  • Hannah, I.G., Kontar, E.P., (2013) A&A, 553, p. A10
  • Harra, L.K., Williams, D.R., Wallace, A.J., (2009) ApJ, 691, p. L99
  • Huang, N.E., Shen, Z., Long, S.R., (1998) Proc. Roy. Soc. London Ser. A, 454, p. 903
  • Kaiser, M.L., Kucera, T.A., Davilla, J.M., (2008) Space Sci. Rev, 136, p. 5
  • Kienreich, I.W., Muhr, N., Veronig, A.M., (2013) Sol. Phys, 286, p. 201
  • Kwon, R.-Y., Kramar, M., Wang, T., (2013) ApJ, 776, p. 55
  • Landi, E., Zanna, G., Young, P.R., Dere, K.P., Mason, H.E., (2012) ApJ, 744, p. 99. , Del
  • Lemen, J.R., Title, A.M., Akin, D.J., (2012) Sol. Phys, 275, p. 17
  • Liu, W., Ofman, L., (2014) Sol. Phys, 289, p. 3233
  • Long, D.M., Gallagher, P.T., McAteer, R.T.J., Bloomfield, D.S., (2008) ApJ, 680, p. L81
  • Long, D.M., Gallagher, P.T., McAteer, R.T.J., Bloomfield, D.S., (2011) A&A, 531, p. A42
  • Long, D.M., DeLuca, E.E., Gallagher, P.T., (2011) ApJ, 741, p. L21
  • Long, D.M., Williams, D.R., Régnier, S., Harra, L.K., (2013) Sol. Phys, 288, p. 567
  • Long, D.M., Bloomfield, D.S., Gallagher, P.T., Pérez-Suárez, D., (2014) Sol. Phys, p. 66
  • Long, D.M., Baker, D., Williams, D.R., (2015) ApJ, 799, p. 224
  • Long, D.M., Pérez-Suárez, D., Valori, G., In Solar and Stellar Flares and their Effects on Planets, eds. A. G. Kosovichev et al (2016) Proc. IAU Symp, 320, p. 98
  • Long, D.M., Bloomfield, D.S., Chen, P.F., (2017) Sol. Phys, 292, p. 7
  • Mandrini, C.H., Nuevo, F.A., Vásquez, A.M., (2014) Sol. Phys, 289, p. 4151
  • Moreton, G.E., (1960) AJ, 65, p. 494
  • Moreton, G.E., Ramsey, H.E., (1960) PASP, 72, p. 357
  • Moses, D., Clette, F., Delaboudinière, J.-P., (1997) Sol. Phys, 175, p. 571
  • Morgan, H., Druckmüller, M., (2014) Sol. Phys, 289, p. 2945
  • Morton, R.J., McLaughlin, J.A., (2013) A&A, 553, p. L10
  • Morton, R.J., Tomczyk, S., Pinto, R., (2015) Nat. Comm, 6, p. 7813
  • Morton, R.J., Tomczyk, S., Pinto, R.F., (2016) ApJ, 828, p. 89
  • Muhr, N., Veronig, A.M., Kienreich, I.W., (2014) Sol. Phys, 289, p. 4563
  • Nakariakov, V.M., Ofman, L., (2001) A&A, 372, p. L53
  • Nakariakov, V.M., Verwichte, E., (2005) Liv. Rev. Sol. Phys, 2, p. 65
  • Nitta, N.V., Schrijver, C.J., Title, A.M., Liu, W., (2013) ApJ, 776, p. 58
  • Patsourakos, S., Vourlidas, A., (2012) Sol. Phys, 281, p. 187
  • Patsourakos, S., Vourlidas, A., Stenborg, G., (2010) ApJ, 724, p. L188
  • Pesnell, W.D., Thompson, B.J., Chamberlin, P.C., (2012) Sol. Phys, 275, p. 3
  • Quek, S.T., Tua, P.S., Wang, Q., (2003) Smart Materials and Structures, 12, p. 447
  • Roberts, B., Edwin, P.M., Benz, A.O., (1984) ApJ, 279, p. 857
  • Schrijver, C.J., DeRosa, M.L., (2003) Sol. Phys, 212, p. 165
  • Sedov, L.I., (1959) Similarity and Dimensional Methods in Mechanics, , (New York: Academic Press)
  • Shen, Y., Liu, Y., Su, J., (2013) ApJ, 773, p. L33
  • Stangalini, M., Consolini, G., Berrilli, F., De Michelis, P., Tozzi, R., (2014) A&A, 569, p. A102
  • Taylor, G., (1950) Roy. Soc. London Proc. Ser. A, 201, p. 159
  • Taylor, G., (1950) Roy. Soc. London Proc. Ser. A, 201, p. 175
  • Tian, H., Tomczyk, S., McIntosh, S.W., (2013) Sol. Phys, 288, p. 637
  • Thompson, B.J., Myers, D.C., (2009) ApJS, 183, p. 225
  • Thompson, B.J., Plunkett, S.P., Gurman, J.B., (1998) Geophys. Res. Lett, 25, p. 2465
  • Thompson, B.J., Reynolds, B., Aurass, H., (2000) Sol. Phys, 193, p. 161
  • Tomczyk, S., McIntosh, S.W., (2009) ApJ, 697, p. 1384
  • Tomczyk, S., McIntosh, S.W., Keil, S.L., (2007) Science, 317, p. 1192
  • Tomczyk, S., Card, G.L., Darnell, T., (2008) Sol. Phys, 247, p. 411
  • Tóth, G., Van Der Holst, B., Huang, Z., (2011) ApJ, 732, p. 102
  • Uchida, Y., (1968) Sol. Phys, 4, p. 30
  • Van Doorsselaere, T., Nakariakov, V.M., Young, P.R., Verwichte, E., (2008) A&A, 487, p. L17
  • Van Doorsselaere, T., Nakariakov, V.M., Verwichte, E., (2008) ApJ, 676, p. L73
  • Veronig, A.M., Temmer, M., Vršnak, B., (2008) ApJ, 681, p. L113
  • Verwichte, E., Van Doorsselaere, T., Foullon, C., White, R.S., (2013) ApJ, 767, p. 16
  • Vršnak, B., Lulić, S., (2000) Sol. Phys, 196, p. 157
  • Vršnak, B., Lulić, S., (2000) Sol. Phys, 196, p. 181
  • Vršnak, B., Cliver, E.W., (2008) Sol. Phys, 253, p. 215
  • Warmuth, A., (2007) Lect. Notes Phys, 725, p. 107. , (Berlin: Springer Verlag)
  • Warmuth, A., (2015) Liv. Rev. Sol. Phys, 12, p. 3
  • Warmuth, A., Mann, G., (2005) A&A, 435, p. 1123
  • Warmuth, A., Vršnak, B., Magdalenić, J., Hanslmeier, A., Otruba, W., (2004) A&A, 418, p. 1101
  • Warmuth, A., Vršnak, B., Magdalenić, J., Hanslmeier, A., Otruba, W., (2004) A&A, 418, p. 1117
  • West, M.J., Zhukov, A.N., Dolla, L., Rodriguez, L., (2011) ApJ, 730, p. 122
  • Yang, L., Zhang, J., Liu, W., Li, T., Shen, Y., (2013) ApJ, 775, p. 39
  • Zhukov, A.N., (2011) J. Atmospheric and Solar-Terrestrial Physics, 73, p. 1096

Citas:

---------- APA ----------
Long, D.M., Valori, G., Pérez-Suárez, D., Morton, R.J. & Vásquez, A.M. (2017) . Measuring the magnetic field of a trans-equatorial loop system using coronal seismology. Astronomy and Astrophysics, 603.
http://dx.doi.org/10.1051/0004-6361/201730413
---------- CHICAGO ----------
Long, D.M., Valori, G., Pérez-Suárez, D., Morton, R.J., Vásquez, A.M. "Measuring the magnetic field of a trans-equatorial loop system using coronal seismology" . Astronomy and Astrophysics 603 (2017).
http://dx.doi.org/10.1051/0004-6361/201730413
---------- MLA ----------
Long, D.M., Valori, G., Pérez-Suárez, D., Morton, R.J., Vásquez, A.M. "Measuring the magnetic field of a trans-equatorial loop system using coronal seismology" . Astronomy and Astrophysics, vol. 603, 2017.
http://dx.doi.org/10.1051/0004-6361/201730413
---------- VANCOUVER ----------
Long, D.M., Valori, G., Pérez-Suárez, D., Morton, R.J., Vásquez, A.M. Measuring the magnetic field of a trans-equatorial loop system using coronal seismology. Astron. Astrophys. 2017;603.
http://dx.doi.org/10.1051/0004-6361/201730413