The infant bow shock: a new frontier at a weak activity comet

The infant bow shock : a new frontier at a weak activity comet

Gunell, Herbert (author): Umeå universitet,Institutionen för fysik,Royal Belgian Institute for Space Aeronomy (BIRA-IASB), Avenue Circulaire 3, 1180 Brussels, Belgium,Royal Belgian Inst Space Aeron BIRA IASB, Ave Circulaire 3, B-1180 Brussels, Belgium;Umea Univ, Dept Phys, S-90187 Umea, Sweden

Goetz, Charlotte (author): TU Braunschweig, Inst Geophys & Extraterr Phys, Mendelssohnstr 3, D-38106 Braunschweig, Germany

Wedlund, Cyril Simon (author): Univ Oslo, Dept Phys, Box 1048 Blindern, N-0316 Oslo, Norway

Lindkvist, Jesper, Doctor, 1986- (author): Umeå universitet,Institutionen för fysik,Umea Univ, Dept Phys, S-90187 Umea, Sweden

Nilsson, Hans (author): Swedish Inst Space Phys, Box 812, S-98128 Kiruna, Sweden

LLera, Kristie (author): Southwest Res Inst, 6220 Culebra Rd, San Antonio, TX 78238 USA

Eriksson, Anders (author): Uppsala universitet,Institutet för rymdfysik, Uppsalaavdelningen

Holmström, Mats (author): Swedish Inst Space Phys, Box 812, S-98128 Kiruna, Sweden

(creator_code:org_t)

2018-11-06
2018
English.
In: Astronomy and Astrophysics. - : EDP Sciences. - 0004-6361 .- 1432-0746. ; 619

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Abstract Subject headings

The bow shock is the first boundary the solar wind encounters as it approaches planets or comets. The Rosetta spacecraft was able to observe the formation of a bow shock by following comet 67P/Churyumov-Gerasimenko toward the Sun, through perihelion, and back outward again. The spacecraft crossed the newly formed bow shock several times during two periods a few months before and after perihelion; it observed an increase in magnetic field magnitude and oscillation amplitude, electron and proton heating at the shock, and the diminution of the solar wind further downstream. Rosetta observed a cometary bow shock in its infancy, a stage in its development not previously accessible to in situ measurements at comets and planets.

By the author/editor: Gunell, Herbert; Goetz, Charlotte; Wedlund, Cyril S ...; Lindkvist, Jespe ...; Hamrin, Maria; Nilsson, Hans; show more...; LLera, Kristie; Eriksson, Anders; Holmström, Mats; show less...

About the subject

NATURAL SCIENCES: NATURAL SCIENCES; and Physical Science ...; and Astronomy Astrop ...

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