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Jupiter's X‐Ray and UV Dark Polar Region

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Jupiter's X‐Ray and UV Dark Polar Region. / Dunn, W. R.; Weigt, D. M.; Grodent, D. et al.
In: Geophysical Research Letters, Vol. 49, No. 11, e2021GL097390, 16.06.2022.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Dunn, WR, Weigt, DM, Grodent, D, Yao, ZH, May, D, Feigelman, K, Sipos, B, Fleming, D, McEntee, S, Bonfond, B, Gladstone, GR, Johnson, RE, Jackman, CM, Guo, RL, Branduardi‐Raymont, G, Wibisono, AD, Kraft, RP, Nichols, JD & Ray, LC 2022, 'Jupiter's X‐Ray and UV Dark Polar Region', Geophysical Research Letters, vol. 49, no. 11, e2021GL097390. https://doi.org/10.1029/2021gl097390

APA

Dunn, W. R., Weigt, D. M., Grodent, D., Yao, Z. H., May, D., Feigelman, K., Sipos, B., Fleming, D., McEntee, S., Bonfond, B., Gladstone, G. R., Johnson, R. E., Jackman, C. M., Guo, R. L., Branduardi‐Raymont, G., Wibisono, A. D., Kraft, R. P., Nichols, J. D., & Ray, L. C. (2022). Jupiter's X‐Ray and UV Dark Polar Region. Geophysical Research Letters, 49(11), Article e2021GL097390. https://doi.org/10.1029/2021gl097390

Vancouver

Dunn WR, Weigt DM, Grodent D, Yao ZH, May D, Feigelman K et al. Jupiter's X‐Ray and UV Dark Polar Region. Geophysical Research Letters. 2022 Jun 16;49(11):e2021GL097390. Epub 2022 Jun 7. doi: 10.1029/2021gl097390

Author

Dunn, W. R. ; Weigt, D. M. ; Grodent, D. et al. / Jupiter's X‐Ray and UV Dark Polar Region. In: Geophysical Research Letters. 2022 ; Vol. 49, No. 11.

Bibtex

@article{d76ea629e960482fa500f2fa9f453c0d,
title = "Jupiter's X‐Ray and UV Dark Polar Region",
abstract = "Abstract: We present 14 simultaneous Chandra X‐ray Observatory (CXO)‐Hubble Space Telescope (HST) observations of Jupiter's Northern X‐ray and ultraviolet (UV) aurorae from 2016 to 2019. Despite the variety of dynamic UV and X‐ray auroral structures, one region is conspicuous by its persistent absence of emission: the dark polar region (DPR). Previous HST observations have shown that very little UV emission is produced by the DPR. We find that the DPR also produces very few X‐ray photons. For all 14 observations, the low level of X‐ray emission from the DPR is consistent (within 2‐standard deviations) with scattered solar emission and/or photons spread by Chandra's Point Spread Function from known X‐ray‐bright regions. We therefore conclude that for these 14 observations the DPR produced no statistically significant detectable X‐ray signature.",
keywords = "Space Sciences, ATMOSPHERIC COMPOSITION AND STRUCTURE, Airglow and aurora, IONOSPHERE, Auroral ionosphere, Current systems, MAGNETOSPHERIC PHYSICS, Auroral phenomena, Cusp, Field‐aligned currents and current systems, Polar cap phenomena, Research Letter, Jupiter, Hubble Space Telescope, magnetosphere, dark polar region, aurora, Chandra X‐ray Observatory",
author = "Dunn, {W. R.} and Weigt, {D. M.} and D. Grodent and Yao, {Z. H.} and D. May and K. Feigelman and B. Sipos and D. Fleming and S. McEntee and B. Bonfond and Gladstone, {G. R.} and Johnson, {R. E.} and Jackman, {C. M.} and Guo, {R. L.} and G. Branduardi‐Raymont and Wibisono, {A. D.} and Kraft, {R. P.} and Nichols, {J. D.} and Ray, {L. C.}",
year = "2022",
month = jun,
day = "16",
doi = "10.1029/2021gl097390",
language = "English",
volume = "49",
journal = "Geophysical Research Letters",
issn = "0094-8276",
publisher = "John Wiley & Sons, Ltd",
number = "11",

}

RIS

TY - JOUR

T1 - Jupiter's X‐Ray and UV Dark Polar Region

AU - Dunn, W. R.

AU - Weigt, D. M.

AU - Grodent, D.

AU - Yao, Z. H.

AU - May, D.

AU - Feigelman, K.

AU - Sipos, B.

AU - Fleming, D.

AU - McEntee, S.

AU - Bonfond, B.

AU - Gladstone, G. R.

AU - Johnson, R. E.

AU - Jackman, C. M.

AU - Guo, R. L.

AU - Branduardi‐Raymont, G.

AU - Wibisono, A. D.

AU - Kraft, R. P.

AU - Nichols, J. D.

AU - Ray, L. C.

PY - 2022/6/16

Y1 - 2022/6/16

N2 - Abstract: We present 14 simultaneous Chandra X‐ray Observatory (CXO)‐Hubble Space Telescope (HST) observations of Jupiter's Northern X‐ray and ultraviolet (UV) aurorae from 2016 to 2019. Despite the variety of dynamic UV and X‐ray auroral structures, one region is conspicuous by its persistent absence of emission: the dark polar region (DPR). Previous HST observations have shown that very little UV emission is produced by the DPR. We find that the DPR also produces very few X‐ray photons. For all 14 observations, the low level of X‐ray emission from the DPR is consistent (within 2‐standard deviations) with scattered solar emission and/or photons spread by Chandra's Point Spread Function from known X‐ray‐bright regions. We therefore conclude that for these 14 observations the DPR produced no statistically significant detectable X‐ray signature.

AB - Abstract: We present 14 simultaneous Chandra X‐ray Observatory (CXO)‐Hubble Space Telescope (HST) observations of Jupiter's Northern X‐ray and ultraviolet (UV) aurorae from 2016 to 2019. Despite the variety of dynamic UV and X‐ray auroral structures, one region is conspicuous by its persistent absence of emission: the dark polar region (DPR). Previous HST observations have shown that very little UV emission is produced by the DPR. We find that the DPR also produces very few X‐ray photons. For all 14 observations, the low level of X‐ray emission from the DPR is consistent (within 2‐standard deviations) with scattered solar emission and/or photons spread by Chandra's Point Spread Function from known X‐ray‐bright regions. We therefore conclude that for these 14 observations the DPR produced no statistically significant detectable X‐ray signature.

KW - Space Sciences

KW - ATMOSPHERIC COMPOSITION AND STRUCTURE

KW - Airglow and aurora

KW - IONOSPHERE

KW - Auroral ionosphere

KW - Current systems

KW - MAGNETOSPHERIC PHYSICS

KW - Auroral phenomena

KW - Cusp

KW - Field‐aligned currents and current systems

KW - Polar cap phenomena

KW - Research Letter

KW - Jupiter

KW - Hubble Space Telescope

KW - magnetosphere

KW - dark polar region

KW - aurora

KW - Chandra X‐ray Observatory

U2 - 10.1029/2021gl097390

DO - 10.1029/2021gl097390

M3 - Journal article

VL - 49

JO - Geophysical Research Letters

JF - Geophysical Research Letters

SN - 0094-8276

IS - 11

M1 - e2021GL097390

ER -