An Earth-grazing fireball from the Daytime ζ-Perseid shower observed over Spain on 10 June 2012

DOI: 
10.1093/mnras/stw1020
Publication date: 
01/07/2016
Main author: 
Madiedo, José M.
IAA authors: 
Castro-Tirado, Alberto J.
Authors: 
Madiedo, José M.;Espartero, Francisco;Castro-Tirado, Alberto J.;Pastor, Sensi;de los Reyes, José A.
Journal: 
Monthly Notices of the Royal Astronomical Society
Refereed: 
Yes
Publication type: 
Article
Pages: 
917-922
Abstract: 
On 10 June 2012, an Earth-grazer meteor which lasted over 17 s with an absolute magnitude of -4.0 ± 0.5 was observed over Spain. This work focuses on the analysis of this rare event which is, to our knowledge, the faintest Earth-grazing meteor reported in the scientific literature, but also the first one belonging to a meteor shower. Thus, the orbital parameters show that the parent meteoroid belonged to the Daytime ζ-Perseid meteoroid stream. According to our calculations, the meteor was produced by a meteoroid with an initial mass ranging between 115 and 1.5 kg. During its encounter with Earth, the particle travelled about 510 km in the atmosphere. Around 260 g were destroyed in the atmosphere during the luminous phase of the event as a consequence of the ablation process. The modified orbit of the remaining material, which left our planet with a fusion crust, is also calculated.
Database: 
ADS
SCOPUS
WOK
URL: 
https://ui.adsabs.harvard.edu/#abs/2016MNRAS.460..917M/abstract
ADS Bibcode: 
2016MNRAS.460..917M
Keywords: 
meteorites;meteors;meteoroids