Far‐UV emissions from the SL9 impacts with Jupiter

G. E. Ballester, Walter M Harris, G. R. Gladstone, J. T. Clarke, R. Prangé, P. D. Feldman, M. R. Combi, C. Emerich, D. F. Strobel, A. Talavera, S. A. Budzien, M. B. Vincent, T. A. Livengood, K. L. Jessup, M. A. McGrath, D. T. Hall, J. M. Ajello, L. ben Jaffel, D. Rego, G. FiremanL. Woodney, S. Miller, X. Liu

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Observations with the International Ultraviolet Explorer (IUE) during the impacts of the fragments of comet D/Shoemaker‐Levy 9 with Jupiter show far‐UV emissions from the impact sites within a ∼10 min time scale. Positive detections of H2 Lyman and Werner band (1230–1620 Å) and H‐Lyα emissions are made for impacts K and S, and marginally for P2. No thermal continuum is observed. The radiated far‐UV output was >1021 ergs. The H2 spectrum is consistent with electron collisional excitation if significant CH4 absorption is included. Such emissions could result from plasma processes generated by the impacts. Non‐thermal excitation by the high altitude entry and explosion shocks may also be relevant. Emissions by Al+ (1671 Å) and C (1657 Å) of cometary origin are tentatively identified.

Original languageEnglish (US)
Pages (from-to)2425-2428
Number of pages4
JournalGeophysical Research Letters
Volume22
Issue number17
DOIs
StatePublished - 1995
Externally publishedYes

Fingerprint

Jupiter (planet)
Jupiter
IUE
high altitude
comets
entry
erg
comet
excitation
explosions
explosion
shock
fragments
continuums
timescale
plasma
electron
output
electrons

ASJC Scopus subject areas

  • Geophysics
  • Earth and Planetary Sciences(all)

Cite this

Ballester, G. E., Harris, W. M., Gladstone, G. R., Clarke, J. T., Prangé, R., Feldman, P. D., ... Liu, X. (1995). Far‐UV emissions from the SL9 impacts with Jupiter. Geophysical Research Letters, 22(17), 2425-2428. https://doi.org/10.1029/95GL02422

Far‐UV emissions from the SL9 impacts with Jupiter. / Ballester, G. E.; Harris, Walter M; Gladstone, G. R.; Clarke, J. T.; Prangé, R.; Feldman, P. D.; Combi, M. R.; Emerich, C.; Strobel, D. F.; Talavera, A.; Budzien, S. A.; Vincent, M. B.; Livengood, T. A.; Jessup, K. L.; McGrath, M. A.; Hall, D. T.; Ajello, J. M.; ben Jaffel, L.; Rego, D.; Fireman, G.; Woodney, L.; Miller, S.; Liu, X.

In: Geophysical Research Letters, Vol. 22, No. 17, 1995, p. 2425-2428.

Research output: Contribution to journalArticle

Ballester, GE, Harris, WM, Gladstone, GR, Clarke, JT, Prangé, R, Feldman, PD, Combi, MR, Emerich, C, Strobel, DF, Talavera, A, Budzien, SA, Vincent, MB, Livengood, TA, Jessup, KL, McGrath, MA, Hall, DT, Ajello, JM, ben Jaffel, L, Rego, D, Fireman, G, Woodney, L, Miller, S & Liu, X 1995, 'Far‐UV emissions from the SL9 impacts with Jupiter', Geophysical Research Letters, vol. 22, no. 17, pp. 2425-2428. https://doi.org/10.1029/95GL02422
Ballester GE, Harris WM, Gladstone GR, Clarke JT, Prangé R, Feldman PD et al. Far‐UV emissions from the SL9 impacts with Jupiter. Geophysical Research Letters. 1995;22(17):2425-2428. https://doi.org/10.1029/95GL02422
Ballester, G. E. ; Harris, Walter M ; Gladstone, G. R. ; Clarke, J. T. ; Prangé, R. ; Feldman, P. D. ; Combi, M. R. ; Emerich, C. ; Strobel, D. F. ; Talavera, A. ; Budzien, S. A. ; Vincent, M. B. ; Livengood, T. A. ; Jessup, K. L. ; McGrath, M. A. ; Hall, D. T. ; Ajello, J. M. ; ben Jaffel, L. ; Rego, D. ; Fireman, G. ; Woodney, L. ; Miller, S. ; Liu, X. / Far‐UV emissions from the SL9 impacts with Jupiter. In: Geophysical Research Letters. 1995 ; Vol. 22, No. 17. pp. 2425-2428.
@article{c831383059d14fcca3118e49a07d9055,
title = "Far‐UV emissions from the SL9 impacts with Jupiter",
abstract = "Observations with the International Ultraviolet Explorer (IUE) during the impacts of the fragments of comet D/Shoemaker‐Levy 9 with Jupiter show far‐UV emissions from the impact sites within a ∼10 min time scale. Positive detections of H2 Lyman and Werner band (1230–1620 {\AA}) and H‐Lyα emissions are made for impacts K and S, and marginally for P2. No thermal continuum is observed. The radiated far‐UV output was >1021 ergs. The H2 spectrum is consistent with electron collisional excitation if significant CH4 absorption is included. Such emissions could result from plasma processes generated by the impacts. Non‐thermal excitation by the high altitude entry and explosion shocks may also be relevant. Emissions by Al+ (1671 {\AA}) and C (1657 {\AA}) of cometary origin are tentatively identified.",
author = "Ballester, {G. E.} and Harris, {Walter M} and Gladstone, {G. R.} and Clarke, {J. T.} and R. Prang{\'e} and Feldman, {P. D.} and Combi, {M. R.} and C. Emerich and Strobel, {D. F.} and A. Talavera and Budzien, {S. A.} and Vincent, {M. B.} and Livengood, {T. A.} and Jessup, {K. L.} and McGrath, {M. A.} and Hall, {D. T.} and Ajello, {J. M.} and {ben Jaffel}, L. and D. Rego and G. Fireman and L. Woodney and S. Miller and X. Liu",
year = "1995",
doi = "10.1029/95GL02422",
language = "English (US)",
volume = "22",
pages = "2425--2428",
journal = "Geophysical Research Letters",
issn = "0094-8276",
publisher = "American Geophysical Union",
number = "17",

}

TY - JOUR

T1 - Far‐UV emissions from the SL9 impacts with Jupiter

AU - Ballester, G. E.

AU - Harris, Walter M

AU - Gladstone, G. R.

AU - Clarke, J. T.

AU - Prangé, R.

AU - Feldman, P. D.

AU - Combi, M. R.

AU - Emerich, C.

AU - Strobel, D. F.

AU - Talavera, A.

AU - Budzien, S. A.

AU - Vincent, M. B.

AU - Livengood, T. A.

AU - Jessup, K. L.

AU - McGrath, M. A.

AU - Hall, D. T.

AU - Ajello, J. M.

AU - ben Jaffel, L.

AU - Rego, D.

AU - Fireman, G.

AU - Woodney, L.

AU - Miller, S.

AU - Liu, X.

PY - 1995

Y1 - 1995

N2 - Observations with the International Ultraviolet Explorer (IUE) during the impacts of the fragments of comet D/Shoemaker‐Levy 9 with Jupiter show far‐UV emissions from the impact sites within a ∼10 min time scale. Positive detections of H2 Lyman and Werner band (1230–1620 Å) and H‐Lyα emissions are made for impacts K and S, and marginally for P2. No thermal continuum is observed. The radiated far‐UV output was >1021 ergs. The H2 spectrum is consistent with electron collisional excitation if significant CH4 absorption is included. Such emissions could result from plasma processes generated by the impacts. Non‐thermal excitation by the high altitude entry and explosion shocks may also be relevant. Emissions by Al+ (1671 Å) and C (1657 Å) of cometary origin are tentatively identified.

AB - Observations with the International Ultraviolet Explorer (IUE) during the impacts of the fragments of comet D/Shoemaker‐Levy 9 with Jupiter show far‐UV emissions from the impact sites within a ∼10 min time scale. Positive detections of H2 Lyman and Werner band (1230–1620 Å) and H‐Lyα emissions are made for impacts K and S, and marginally for P2. No thermal continuum is observed. The radiated far‐UV output was >1021 ergs. The H2 spectrum is consistent with electron collisional excitation if significant CH4 absorption is included. Such emissions could result from plasma processes generated by the impacts. Non‐thermal excitation by the high altitude entry and explosion shocks may also be relevant. Emissions by Al+ (1671 Å) and C (1657 Å) of cometary origin are tentatively identified.

UR - http://www.scopus.com/inward/record.url?scp=0041049371&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0041049371&partnerID=8YFLogxK

U2 - 10.1029/95GL02422

DO - 10.1029/95GL02422

M3 - Article

AN - SCOPUS:0041049371

VL - 22

SP - 2425

EP - 2428

JO - Geophysical Research Letters

JF - Geophysical Research Letters

SN - 0094-8276

IS - 17

ER -