Dr Sarah Badman

Dr Sarah Badman

Research Fellow

B69 Physics Building
Lancaster University
Bailrigg
Lancaster
United Kingdom
LA1 4YB

+44 (0)1524 593417

Sarah Badman's Publications

2014

Open flux in Saturn’s magnetosphere

Badman, S. V., Jackman, C. M., Nichols, J. D., Clarke, J. T. & Gérard, J-C. 1/03/2014 In : Icarus. 231, p. 137-145 9 p.

Research output: Contribution to journalJournal article

On the anti-correlation between H3+ temperature and density in giant planet ionospheres

Melin, H., Stallard, T., O'Donoghue, J., Badman, S. V., Miller, S. & Blake, J. 21/02/2014 In : Monthly Notices of the Royal Astronomical Society. 438, 2, p. 1611-1617 7 p.

Research output: Contribution to journalJournal article

Conjugate observations of Saturn’s northern and southern H3+ aurorae

O'Donoghue, J., Stallard, T. S., Melin, H., Cowley, S. W. H., Badman, S. V., Moore, L., Miller, S., Tao, C., Baines, K. H. & Blake, J. 02/2014 In : Icarus. 229, p. 214-220 7 p.

Research output: Contribution to journalJournal article

The plasma depletion layer in Saturn’s magnetosheath

Masters, A., Phan, T., Badman, S. V., Hasegawa, H., Fujimoto, M., Russell, C. T., Coates, A. J. & Dougherty, M. K. 01/2014 In : Journal of Geophysical Research: Space Physics. 119, 1, p. 121-130 10 p.

Research output: Contribution to journalJournal article

2013

Long-term modulations of Saturn's auroral radio emissions by the solar wind and seasonal variations controlled by the solar ultraviolet flux

Kimura, T., Lamy, L., Tao, C., Badman, S. V., Kasahara, S., Cecconi, B., Zarka, P., Morioka, A., Miyoshi, Y., Maruno, D., Kasaba, Y. & Fujimoto, M. 11/2013 In : Journal of Geophysical Research: Space Physics. 118, 11, p. 7019-7035 17 p.

Research output: Contribution to journalJournal article

Multispectral simultaneous diagnosis of Saturn's aurorae throughout a planetary rotation

Lamy, L., Prangé, R., Pryor, W., Gustin, J., Badman, S. V., Melin, H., Stallard, T., Mitchell, D. G. & Brandt, P. C. 08/2013 In : Journal of Geophysical Research. 118, 8, p. 4817-4843 27 p.

Research output: Contribution to journalJournal article

Auroral counterpart of magnetic field dipolarizations in Saturn's tail

Jackman, C. M., Achilleos, N., Cowley, S. W., Bunce, E. J., Radioti, A., Grodent, D., Badman, S. V., Dougherty, M. K. & Pryor, W. 07/2013 In : Planetary and Space Science. 82-83, p. 34-42 9 p.

Research output: Contribution to journalJournal article

Extreme densities in Titan's ionosphere during the T85 magnetosheath encounter

T. Edberg, N. J., Andrews, D. J., Shebanits, O., Ågren, K., Wahlund, J., Opgenoorth, H. J., Roussos, E., Garnier, P., Cravens, T. E., Badman, S. V., Modolo, R., Bertucci, C. & Dougherty, M. K. 28/06/2013 In : Geophysical Research Letters. 40, 12, p. 2879-2883 5 p.

Research output: Contribution to journalJournal article

Bursty magnetic reconnection at Saturn's magnetopause

Badman, S. V., Masters, A., Hasegawa, H., Fujimoto, M., Radioti, A., Grodent, D., Sergis, N., Dougherty, M. & Coates, A. J. 03/2013 In : Geophysical Research Letters. 40, 6, p. 1027-1031 5 p.

Research output: Contribution to journalJournal article

Asymmetric distribution of reconnection jet fronts in the Jovian nightside magnetosphere

Kasahara, S., Kronberg, E. A., Kimura, T., Tao, C., Badman, S. V., Masters, A., Retinò, A., Krupp, N. & Fujimoto, M. 1/01/2013 In : Journal of Geophysical Research. 118, 1, p. 375-384 10 p.

Research output: Contribution to journalJournal article

2012

Temperature changes and energy inputs in giant planet atmospheres: what we are learning from H3+

Stallard, T. S., Melin, H., Miller, S., O' Donoghue, J., Cowley, S. W. H., Badman, S. V., Adriani, A., Brown, R. H. & Baines, K. H. 13/11/2012 In : Philosophical Transactions A: Mathematical, Physical and Engineering Sciences . 370, 1978, p. 5213-5224 12 p.

Research output: Contribution to journalJournal article

Rotational modulation and local time dependence of Saturn's infrared H3+ auroral intensity

Badman, S. V., Andrews, D. J., Cowley, S. W. H., Lamy, L., Provan, G., Tao, C., Kasahara, S., Kimura, T., Fujimoto, M., Melin, H., Stallard, T., Brown, R. H. & Baines, K. H. 27/09/2012 In : Journal of Geophysical Research. 117, A9, 12 p.A09228

Research output: Contribution to journalJournal article

On the feasibility of characterizing jovian auroral electrons via infrared line-emission analysis

Tao, C., Badman, S. V., Uno, T. & Fujimoto, M. 09/2012 In : Icarus. 221, 1, p. 236-247 12 p.

Research output: Contribution to journalJournal article

Peak emission altitude of Saturn's H3+ aurora

Stallard, T. S., Melin, H., Miller, S., Badman, S. V., Brown, R. H. & Baines, K. H. 7/08/2012 In : Geophysical Research Letters. 39, 15, 5 p.L15103

Research output: Contribution to journalJournal article

Cassini observations of ion and electron beams at Saturn and their relationship to infrared auroral arcs

Badman, S. V., Achilleos, N., Arridge, C. S., Baines, K. H., Brown, R. H., Bunce, E. J., Coates, A. J., Cowley, S. W. H., Dougherty, M. K., Fujimoto, M., Hospodarsky, G., Kasahara, S., Kimura, T., Melin, H., Mitchell, D. G., Stallard, T. & Tao, C. 01/2012 In : Journal of Geophysical Research. 117, A1, 12 p.A01211

Research output: Contribution to journalJournal article

2011

Cassini VIMS observations of latitudinal and hemispheric variations in Saturn’s infrared auroral intensity

Badman, S. V., Tao, C., Grocott, A., Kasahara, S., Melin, H., Brown, R. H., Baines, K. H., Fujimoto, M. & Stallard, T. 1/12/2011 In : Icarus. 216, 2, p. 367-375 9 p.

Research output: Contribution to journalJournal article

Magnetic reconnection in the Jovian tail: X-line evolution and consequent plasma sheet structures

Kasahara, S., Kronberg, E. A., Krupp, N., Kimura, T., Tao, C., Badman, S. V., Retinò, A. & Fujimoto, M. 11/2011 In : Journal of Geophysical Research. 116, A11, 15 p.A11219

Research output: Contribution to journalJournal article

Simultaneous Cassini VIMS and UVIS observations of Saturn's southern aurora: comparing emissions from H, H2 and H3+ at a high spatial resolution

Melin, H., Stallard, T., Miller, S., Gustin, J., Galand, M., Badman, S. V., Pryor, W. R., O'donoghue, J., Brown, R. H. & Baines, K. H. 1/08/2011 In : Geophysical Research Letters. 38, 15, 5 p.L15203

Research output: Contribution to journalJournal article

UV and IR auroral emission model for the outer planets: Jupiter and Saturn comparison

Tao, C., Badman, S. V. & Fujimoto, M. 1/06/2011 In : Icarus. 213, 2, p. 581-592

Research output: Contribution to journalJournal article

Dynamic magnetic island coalescence and associated electron acceleration

Tanaka, K. G., Fujimoto, M., Badman, S. V. & Shinohara, I. 18/02/2011 In : Physics of Plasmas. 18, 2, 11 p.022903

Research output: Contribution to journalJournal article

Location of Saturn's northern infrared aurora determined from Cassini VIMS images

Badman, S. V., Achilleos, N., Baines, K. H., Brown, R. H., Bunce, E. J., Dougherty, M. K., Melin, H., Nichols, J. D. & Stallard, T. 02/2011 In : Geophysical Research Letters. 38, 3, 6 p.L03102

Research output: Contribution to journalJournal article

Supercorotating return flow from reconnection in Saturn's magnetotail

Masters, A., Thomsen, M. F., Badman, S. V., Arridge, C. S., Young, D. T., Coates, A. J. & Dougherty, M. K. 02/2011 In : Geophysical Research Letters. 38, 3, 5 p.L03103

Research output: Contribution to journalJournal article

2010

Merging of magnetic islands as an efficient accelerator of electrons

Tanaka, K. G., Yumura, T., Fujimoto, M., Shinohara, I., Badman, S. V. & Grocott, A. 7/10/2010 In : Physics of Plasmas. 17, 10, 11 p.102902

Research output: Contribution to journalJournal article

2009

Saturn's equinoctial auroras

Nichols, J. D., Badman, S. V., Bunce, E. J., Clarke, J. T., Cowley, S. W. H., Crary, F. J., Dougherty, M. K., Gérard, J., Grodent, D., Hansen, K. C., Kurth, W. S., Mitchell, D. G., Pryor, W. R., Stallard, T. S., Talboys, D. L. & Wannawichian, S. 12/2009 In : Geophysical Research Letters. 36, 24, 5 p.L24102

Research output: Contribution to journalJournal article

Magnetosonic Mach number dependence of the efficiency of reconnection between planetary and interplanetary magnetic fields

Grocott, A., Badman, S. V., Cowley, S. W. H., Milan, S. E., Nichols, J. D. & Yeoman, T. K. 18/07/2009 In : Journal of Geophysical Research. 114, A7, 9 p.A07219

Research output: Contribution to journalJournal article

Cluster spacecraft observations of a ULF wave enhanced by Space Plasma Exploration by Active Radar (SPEAR)

Badman, S. V., Wright, D. M., Clausen, L. B. N., Fear, R. C., Robinson, T. R. & Yeoman, T. K. 2009 In : Annales Geophysicae. 27, 9, p. 3591-3599 9 p.

Research output: Contribution to journalJournal article

2008

Relationship between solar wind corotating interaction regions and the phasing and intensity of Saturn kilometric radiation bursts

Badman, S. V., Cowley, S. W. H., Lamy, L., Cecconi, B. & Zarka, P. 19/11/2008 In : Annales Geophysicae. 26, 12, p. 3641-3651 11 p.

Research output: Contribution to journalJournal article

Complex structure within Saturn’s infrared aurora

Stallard, T., Miller, S., Lystrup, M., Achilleos, N., Bunce, E., Arridge, C., Dougherty, M., Cowley, S., Badman, S. V., Talboys, D., Brown, R., Baines, K., Buratti, B., Clark, R., Sotin, C., Nicholson, P. & Drossart, P. 11/2008 In : Nature. 456, 7219, p. 214-217 4 p.

Research output: Contribution to journalJournal article

Comment on "Jupiter: A fundamentally different magnetospheric interaction with the solar wind" by D. J. McComas and F. Bagenal

Cowley, S. W. H., Badman, S. V., Imber, S. M. & Milan, S. E. 05/2008 In : Geophysical Research Letters. 35, 10, 3 p.L10101

Research output: Contribution to journalJournal article

Dependence of the open-closed field line boundary in Saturn's ionosphere on both the IMF and solar wind dynamic pressure: comparison with the UV auroral oval observed by the HST

Belenkaya, E. S., Cowley, S. W. H., Badman, S. V., Blokhina, M. S. & Kalegaev, V. 4/02/2008 In : Annales Geophysicae. 26, 1, p. 159-166 8 p.

Research output: Contribution to journalJournal article

2007

IMF dependence of the open-closed field line boundary in Saturn's ionosphere, and its relation to the UV auroral oval observed by the Hubble Space Telescope

Belenkaya, E. S., Alexeev, I. I., Blokhina, M. S., Cowley, S. W. H., Badman, S. V., Kalegaev, V. V. & Grigoryan, M. S. 4/06/2007 In : Annales Geophysicae. 25, 5, p. 1215-1226 12 p.

Research output: Contribution to journalJournal article

Significance of Dungey-cycle flows in Jupiter's and Saturn's magnetospheres, and their identification on closed equatorial field lines

Badman, S. V. & Cowley, S. W. H. 8/05/2007 In : Annales Geophysicae. 25, 4, p. 941-951 11 p.

Research output: Contribution to journalJournal article

2006

A statistical analysis of the location and width of Saturn's southern auroras

Badman, S. V., Cowley, S. W. H., Gérard, J. & Grodent, D. 21/12/2006 In : Annales Geophysicae. 24, 12, p. 3533-3545 13 p.

Research output: Contribution to journalJournal article

2005

Open flux estimates in Saturn's magnetosphere during the January 2004 Cassini-HST campaign, and implications for reconnection rates

Badman, S. V., Bunce, E. J., Clarke, J. T., Cowley, S. W. H., Gérard, J., Grodent, D. & Milan, S. E. 11/2005 In : Journal of Geophysical Research. 110, A11, 16 p.A11216

Research output: Contribution to journalJournal article

Signature of Saturn's auroral cusp: simultaneous Hubble Space Telescope FUV observations and upstream solar wind monitoring

Gérard, J., Bunce, E. J., Grodent, D., Cowley, S. W. H., Clarke, J. T. & Badman, S. V. 11/2005 In : Journal of Geophysical Research. 110, A11, 12 p.A11201

Research output: Contribution to journalJournal article

Reconnection in a rotation-dominated magnetosphere and its relation to Saturn's auroral dynamics

Cowley, S. W. H., Badman, S. V., Bunce, E. J., Clarke, J. T., Gérard, J., Grodent, D., Jackman, C. M., Milan, S. E. & Yeoman, T. K. 02/2005 In : Journal of Geophysical Research. 110, A2, 19 p.A02201

Research output: Contribution to journalJournal article

2004

The influence of IMF By on the nature of the nightside high-latitude ionospheric flow during intervals of positive IMF Bz

Grocott, A., Badman, S. V., Cowley, S. W. H., Yeoman, T. K. & Cripps, P. J. 8/04/2004 In : Annales Geophysicae. 22, 5, p. 1755-1764 10 p.

Research output: Contribution to journalJournal article