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  • Journal article
    Bale SD, Reiner MJ, Bougeret JL, Kaiser ML, Krucker S, Larson DE, Lin RPet al., 1999,

    , GEOPHYSICAL RESEARCH LETTERS, Vol: 26, Pages: 1573-1576, ISSN: 0094-8276
    • Cite
    • Citations: 184
  • Conference paper
    Grappin R, Mangeney A, Schwartz SJ, Feldman WCet al., 1999,

    , Pages: 329-332-329-332
  • Journal article
    Rishbeth H, Müller-Wodarg ICF, 1999,

    , ANNALES GEOPHYSICAE-ATMOSPHERES HYDROSPHERES AND SPACE SCIENCES, Vol: 17, Pages: 794-805, ISSN: 0992-7689
    • Cite
    • Citations: 90
  • Journal article
    Rego D, Achilleos N, Stallard T, Miller S, Prangé R, Dougherty M, Joseph RDet al., 1999,

    , NATURE, Vol: 399, Pages: 121-124, ISSN: 0028-0836
    • Cite
    • Citations: 59
  • Journal article
    Proffitt CR, Jönsson P, Litzén U, Pickering JC, Wahlgren GMet al., 1999,

    , ASTROPHYSICAL JOURNAL, Vol: 516, Pages: 342-348, ISSN: 0004-637X
    • Cite
    • Citations: 33
  • Journal article
    Linker JA, Mikic Z, Biesecker DA, Forsyth RJ, Gibson SE, Lazarus AJ, Lecinski A, Riley P, Szabo A, Thompson BJet al., 1999,

    , JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, Vol: 104, Pages: 9809-9830, ISSN: 2169-9380
    • Cite
    • Citations: 308
  • Journal article
    Proffitt CR, Jönsson P, Litzén U, Pickering JC, Wahlgren GMet al., 1999,

    , Astrophysical Journal, Vol: 516, Pages: 342-348, ISSN: 0004-637X

    Boron abundances and isotope ratios in two early B stars have been measured by using the Hubble Space Telescope's Goddard High-Resolution Spectrograph (GHRS) in order to observe the B III resonance doublet near 2066 Å. We also report new experimental and theoretical results for the wavelengths, isotope shift, and hyperfine structure of these boron lines. In HD 886 (γ Pegasi; B2 IV), and HD 35299 (B1 V) the abundance of boron is about a factor of 2 lower than that inferred from solar system meteorites. The <sup>11</sup>B/<sup>10</sup>B isotope ratio in HD 886 is determined to be 4.7<sup>+1.1</sup><inf>-1.0</inf>, and for HD 35299 a value of 3.7<sup>+0.8</sup>-<inf>0.6</inf> is found. These values are consistent with the solar system isotope ratio. In a third star, HD 3360 (ζ Cassiopeiae; B2 IV), our GHRS observations show that the boron abundance is a factor of 40 below the solar system abundance. Our results for HD 886 and HD 35299 appear to be consistent with little dispersion in the initial boron-to-oxygen ratio among Population I stars and a universal <sup>11</sup>B/<sup>10</sup>B isotope ratio. However, the abundance measured for HD 3360 shows that either some stars suffer significant boron depletion while still in the core-hydrogen burning phase of their evolution, or there is indeed a very wide variation in initial Population I boron abundances. A much-improved understanding of boron astration in early B stars will be required before this question can be resolved.
  • Journal article
    Riley P, Gosling JT, McComas DJ, Pizzo VJ, Luhmann JG, Biesecker D, Forsyth RJ, Hoeksema JT, Lecinski A, Thompson BJet al., 1999,

    , JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, Vol: 104, Pages: 9871-9879, ISSN: 2169-9380
    • Cite
    • Citations: 28
  • Journal article
    Desai MI, Marsden RG, Sanderson TR, Lario D, Roelof EC, Simnett GM, Gosling JT, Balogh A, Forsyth RJet al., 1999,

    , JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, Vol: 104, Pages: 6705-6719, ISSN: 2169-9380
    • Cite
    • Citations: 39
  • Journal article
    Kellogg PJ, Goetz K, Monson SJ, Bale SDet al., 1999,

    , JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, Vol: 104, Pages: 6751-6757, ISSN: 2169-9380
    • Cite
    • Citations: 26
  • Journal article
    Kernthaler SC, Toumi R, Haigh JD, 1999,

    , GEOPHYSICAL RESEARCH LETTERS, Vol: 26, Pages: 863-865, ISSN: 0094-8276
    • Cite
    • Citations: 81
  • Journal article
    Funsten HO, Gosling JT, Riley P, St Cyr OC, Forsyth RJ, Howard RA, Schwenn Ret al., 1999,

    , JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, Vol: 104, Pages: 6679-6689, ISSN: 2169-9380
    • Cite
    • Citations: 19
  • Journal article
    Zhong WY, Haigh JD, 1999,

    , QUARTERLY JOURNAL OF THE ROYAL METEOROLOGICAL SOCIETY, Vol: 125, Pages: 1383-1406, ISSN: 0035-9009
  • Journal article
    Haigh JD, 1999,

    , QUARTERLY JOURNAL OF THE ROYAL METEOROLOGICAL SOCIETY, Vol: 125, Pages: 871-892, ISSN: 0035-9009
    • Cite
    • Citations: 143
  • Journal article
    Bale SD, 1999,

    , GEOPHYSICAL RESEARCH LETTERS, Vol: 26, Pages: 667-670, ISSN: 0094-8276
    • Cite
    • Citations: 14
  • Journal article
    Balogh A, Forsyth RJ, Lucek EA, Horbury TS, Smith EJet al., 1999,

    , GEOPHYSICAL RESEARCH LETTERS, Vol: 26, Pages: 631-634, ISSN: 0094-8276
    • Cite
    • Citations: 113
  • Journal article
    Galand M, Richmond AD, 1999,

    , JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, Vol: 104, Pages: 4447-4455, ISSN: 2169-9380
    • Cite
    • Citations: 26
  • Journal article
    Sibeck DG, Borodkova NL, Schwartz SJ, Owen CJ, Kessel R, Kokubun S, Lepping RP, Lin R, Liou K, Lühr H, McEntire RW, Meng C-I, Mukai T, Nemecek Z, Parks G, Phan TD, Romanov SA, Safrankova J, Sauvaud J-A, Singer HJ, Solovyev SI, Szabo A, Takahashi K, Williams DJ, Yumoto K, Zastenker GNet al., 1999,

    , \jgr, Vol: 104, Pages: 4577-4594-4577-4594
  • Conference paper
    Pickering JC, Thome AP, Cox G, Nave G, Smith PLet al., 1999,

    Fourier Transform Spectrometry of Doubly Ionized Atoms

    , Pages: 31-33

    This project has shown that with the extension of the VUV range of the IC FT spectrometer down to 140nm and a Penning light source, the urgently needed improvements in accuracy of the laboratory atomic data for doubly ionized species are now possible. An extensive study of Fe III is in progress and will be followed by other studies of doubly charged transition group ions, e.g., Ni III and Mn III. This work was supported by NASA Grant NAGW-4888 to Harvard University, by the Paul Instrument Fund of the Royal Society, by an SAO Innovative Research & Development Grant, a NATO grant for International Collaboration in Research, by PPARC of the UK, and by the Royal Society. The authors gratefully acknowledge the advice and assistance of, R. Kling, M. Kock, C. Heise, R. C. M. Learner, W. Mende, W. H. Parkinson, and particularly D. S. Leckrone.
  • Journal article
    Lockwood M, Stamper R, Wild MN, Balogh A, Jones Get al., 1999,

    , Astronomy and Geophysics, Vol: 40, Pages: 410-416, ISSN: 1366-8781

    Stellar astronomy tells us much about the long-term evolution of our Sun while forensic evidence (for example, cosmic-ray products in ice cores) gives us indications of its fluctuations over the last millennium. However, such studies do not give us a sufficiently detailed understanding of solar change over the last century to allow us to detect and quantify any role that the Sun might have played in the observed rise in average surface temperatures on Earth. This paper describes recent research that has filled this gap by applying advances in our understanding of the effects and structure of the solar wind to historical data on the Earth's magnetic field.
  • Journal article
    Chisham G, Schwartz SJ, Balikhin MA, Dunlop MWet al., 1999,

    , JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, Vol: 104, Pages: 437-447, ISSN: 2169-9380
    • Cite
    • Citations: 39
  • Journal article
    Jones GH, Balogh A, Horbury TS, 1999,

    , GEOPHYSICAL RESEARCH LETTERS, Vol: 26, Pages: 13-16, ISSN: 0094-8276
    • Cite
    • Citations: 19
  • Conference paper
    Rufus J, Pickering J, Thorne A, Cox G, Stark G, Smith PLet al., 1999,

    Molecular absorption cross-section measurements by FTS in the UV

    , Pages: 122-123
  • Conference paper
    Haigh JD, 1999,

    , 9th Quadrennual SCOSTEP Symposium on Solar-Terrestrial Physics, Publisher: PERGAMON-ELSEVIER SCIENCE LTD, Pages: 63-72, ISSN: 1364-6826
    • Cite
    • Citations: 62
  • Conference paper
    Trotignon JG, Boström R, Burch JL, Glassmeier KH, Lundin R, Norberg O, Balogh A, Szegö K, Musmann G, Coates A, Åhlén L, Carr C, Eriksson A, Gibson W, Kuhnke F, Lundin K, Michau JL, Szalai Set al., 1999,

    , B1 1 Symposium of COSPAR Scientific Commission B Held at the 32nd COSPAR Scientific Assembly, Publisher: PERGAMON PRESS LTD, Pages: 1149-1158, ISSN: 0273-1177
    • Cite
    • Citations: 19
  • Journal article
    Crooker NU, Gosling JT, Bothmer V, Forsyth RJ, Gazis PR, Hewish A, Horbury TS, Intriligator DS, Jokipii JR, Kóta J, Lazarus AJ, Lee MA, Lucek E, Marsch E, Posner A, Richardson IG, Roelof EC, Schmidt JM, Siscoe GL, Tsurutani BT, Wimmer-Schweingruber RFet al., 1999,

    , SPACE SCIENCE REVIEWS, Vol: 89, Pages: 179-220, ISSN: 0038-6308
    • Cite
    • Citations: 96
  • Journal article
    Schmidt JM, Cargill PJ, 1999,

    Accelerated density enhancements emerging from coronal streamers modelled according to LASCO observations

    , 9Th European Meeting on Solar Physics: Magnetic Fields and Solar Processes, Vols 1 and 2, Vol: 448, Pages: 1211-1216, ISSN: 0379-6566
  • Conference paper
    Baumjohann W, Haerendel G, Treumann RA, Bauer TM, Rustenbach J, Georgescu E, Auster U, Fornacon KH, Glassmeier KH, Lühr H, Büchner J, Nikutowski B, Balogh A, Cowley SWHet al., 1999,

    , Symposium D0 2 of COSPAR Scientific Commission D held at the 32nd COSPAR Scientific Assembly, Publisher: PERGAMON PRESS LTD, Pages: 77-80, ISSN: 0273-1177
  • Journal article
    Bantges RJ, Russell JE, Haigh JD, 1999,

    Cirrus cloud top-of-atmosphere radiance spectra in the thermal infrared

    , Journal of Quantitative Spectroscopy & Radiative Transfer, Vol: 63, Pages: 487-498
  • Journal article
    Balogh A, Gosling JT, Jokipii JR, Kallenbach R, Kunow Het al., 1999,

    , SPACE SCIENCE REVIEWS, Vol: 89, Pages: 1-3, ISSN: 0038-6308
    • Cite
    • Citations: 19

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