Michel Champenois - Membre du CRPG

Colas, F., Zanda, B., Bouley, S., (...).,, Champenois, M., Shengold, L.

FRIPON: a worldwide network to track incoming meteoroids (Article de journal)

Dans: Astronomy & Astrophysics, vol. 644, no. A53, 2020.

@article{Colas_etal2020,

title = {FRIPON: a worldwide network to track incoming meteoroids},

author = {F. Colas and B. Zanda and S. Bouley and (...). and M. Champenois and L. Shengold},

doi = {10.1051/0004-6361/202038649},

year  = {2020},

date = {2020-01-01},

journal = {Astronomy \& Astrophysics},

volume = {644},

number = {A53},

abstract = {Context. Until recently, camera networks designed for monitoring fireballs worldwide were not fully automated, implying that in case of a meteorite fall, the recovery campaign was rarely immediate. This was an important limiting factor as the most fragile -- hence precious -- meteorites must be recovered rapidly to avoid their alteration.Aims. The Fireball Recovery and InterPlanetary Observation Network (FRIPON) scientific project was designed to overcome this limitation. This network comprises a fully automated camera and radio network deployed over a significant fraction of western Europe and a small fraction of Canada. As of today, it consists of 150 cameras and 25 European radio receivers and covers an area of about 1.5 texttimes 106 km2.Methods. The FRIPON network, fully operational since 2018, has been monitoring meteoroid entries since 2016, thereby allowing the characterization of their dynamical and physical properties. In addition, the level of automation of the network makes it possible to trigger a meteorite recovery campaign only a few hours after it reaches the surface of the Earth. Recovery campaigns are only organized for meteorites with final masses estimated of at least 500 g, which is about one event per year in France. No recovery campaign is organized in the case of smaller final masses on the order of 50 to 100 g, which happens about three times a year; instead, the information is delivered to the local media so that it can reach the inhabitants living in the vicinity of the fall.Results. Nearly 4000 meteoroids have been detected so far and characterized by FRIPON. The distribution of their orbits appears to be bimodal, with a cometary population and a main belt population. Sporadic meteors amount to about 55% of all meteors. A first estimate of the absolute meteoroid flux (mag \< --5; meteoroid size �Wtextasciitilde1 cm) amounts to 1250/yr/106 km2. This value is compatible with previous estimates. Finally, the first meteorite was recovered in Italy (Cavezzo, January 2020) thanks to the PRISMA network, a component of the FRIPON science project.},

keywords = {},

pubstate = {published},

tppubtype = {article}

}

Fermer

Context. Until recently, camera networks designed for monitoring fireballs worldwide were not fully automated, implying that in case of a meteorite fall, the recovery campaign was rarely immediate. This was an important limiting factor as the most fragile -- hence precious -- meteorites must be recovered rapidly to avoid their alteration.Aims. The Fireball Recovery and InterPlanetary Observation Network (FRIPON) scientific project was designed to overcome this limitation. This network comprises a fully automated camera and radio network deployed over a significant fraction of western Europe and a small fraction of Canada. As of today, it consists of 150 cameras and 25 European radio receivers and covers an area of about 1.5 texttimes 106 km2.Methods. The FRIPON network, fully operational since 2018, has been monitoring meteoroid entries since 2016, thereby allowing the characterization of their dynamical and physical properties. In addition, the level of automation of the network makes it possible to trigger a meteorite recovery campaign only a few hours after it reaches the surface of the Earth. Recovery campaigns are only organized for meteorites with final masses estimated of at least 500 g, which is about one event per year in France. No recovery campaign is organized in the case of smaller final masses on the order of 50 to 100 g, which happens about three times a year; instead, the information is delivered to the local media so that it can reach the inhabitants living in the vicinity of the fall.Results. Nearly 4000 meteoroids have been detected so far and characterized by FRIPON. The distribution of their orbits appears to be bimodal, with a cometary population and a main belt population. Sporadic meteors amount to about 55% of all meteors. A first estimate of the absolute meteoroid flux (mag < --5; meteoroid size �Wtextasciitilde1 cm) amounts to 1250/yr/106 km2. This value is compatible with previous estimates. Finally, the first meteorite was recovered in Italy (Cavezzo, January 2020) thanks to the PRISMA network, a component of the FRIPON science project.

Fermer

Rollion-Bard, C., Mangin, D., Champenois, M.

Development and applications of oxygen and carbon isotopic measurements of biogenic carbonates by ion microprobe (Article de journal)

Dans: Geostandards and Geoanalytical Research, vol. 31, no. 1, p. 39–50, 2007.

(Liens | BibTeX)

Vielzeuf, D., Champenois, M., Valley, J. W., Brunet, F., Devidal, J. L.

SIMS analyses of oxygen isotopes: Matrix effects in Fe-Mg-Ca garnets (Article de journal)

Dans: Chemical Geology, vol. 223, no. 4, p. 208–226, 2005.

(Liens | BibTeX)

Behrens, H., Ohlhorst, S., Holtz, F., Champenois, M.

CO2 solubility in dacitic melts equilibrated with H2O-CO2 fluids: implications for modeling the solubility CO2 in silicic melts (Article de journal)

Dans: Geochimica et Cosmochimica Acta, vol. 68, no. 22, p. 4687–4703, 2004.

(Liens | BibTeX)

Bruguier, O., Becq-Giraudon, J. F., Champenois, M., Deloule, E., Ludden, J., Mangin, D.

Application of in situ zircon geochronology and accessory phase chemistry to constraining basin development during post-collisional extension: a case study from the French Massif Central (Article de journal)

Dans: Chemical Geology, vol. 201, no. 3-4, p. 319–336, 2003.

(Liens | BibTeX)

Aléon, J., Chaussidon, M., Champenois, M., Mangin, D., Carignan, J. (E. ).

Quantitative imaging of stables isotopes by ion microprobe (Article de journal)

Dans: Geostandards Newsletter, vol. 25, no. 2-3, p. 417–429, 2001.

(Liens | BibTeX)

Aill`eres, L., Bertrand, J. M., Macaudi`ere, J., Champenois, M.

Structure de la zone houill`ere briançonnaise (Alpes françaises), tectonique néoalpine et conséquences sur ltextquoterightinterprétation des Zones Penniques frontales (Article de journal)

Dans: Comptes Rendus de ltextquoterightAcadémie des Sciences, série II, vol. 321, p. 247–254, 1995.

(BibTeX)

Aill`eres, L., Champenois, M.

Refinements to the Fry method (1979) using image processing (Article de journal)

Dans: Journal of Structural Geology, vol. 16, no. 9, p. 1327–1330, 1994.

(BibTeX)

Zartarian, F., Mustin, C., Bottero, J. Y., Villemin, G., Thomas, F., Aill`eres, L., Champenois, M., Grulois, P., Manem, J.

Spatial arrangement of the components of activated sludge flocs (Article de journal)

Dans: Water Science and Technology, vol. 30, p. 243–250, 1994.

(BibTeX)

Boullier, A. M., France-Lanord, C., Dubessy, J., Adamy, J., Champenois, M.

Linked fluid and tectonic evolution in the High Himalaya mountains (Nepal) (Article de journal)

Dans: Contributions to Mineralogy and Petrology, vol. 107, p. 358–372, 1991.

(BibTeX)

Champenois, M.

Quantifier la déformation dtextquoterightune roche (Article de journal)

Dans: Courrier du CNRS, no. 76, p. 95, 1990.

(BibTeX)

Lapique, F., Champenois, M., Cheilletz, A.

Un analyseur vidéographique interactif : description et applications (Article de journal)

Dans: Bulletin de Minéralogie, vol. 111, p. 679–687, 1988.

(BibTeX)

Champenois, M., Boullier, A. M., Sautter, V., Wright, L. I., Barbey, P.

Tectonometamorphic evolution of the gneissic Kidal assemblage related to the Pan-African thrust tectonics (Adrar des Iforas, Mali) (Article de journal)

Dans: Journal of African Earth Sciences, vol. 6, no. 1, p. 19–27, 1986.

(BibTeX)

2020

2007

2005

2004

2003

2001

1995

1994

1991

1990

1988

1986

Crystallization and rheological study of a Nd-oxyapatite-bearing melt

Isotopic evolution of the inner solar system revealed by size-dependent oxygen isotopic variations in chondrules

Geomorphic expression of transverse drainages across the Tugerming anticline, southern Tian Shan: Implications for the river-fold interaction in the foreland