Determination of atmospheric velocity of bright meteors on the basis of high-resolution light curves

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985815%3A_____%2F13%3A00399276" target="_blank" >RIV/67985815:_____/13:00399276 - isvavai.cz</a>

Výsledek na webu

<a href="http://dx.doi.org/10.1051/0004-6361/201219973" target="_blank" >http://dx.doi.org/10.1051/0004-6361/201219973</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1051/0004-6361/201219973" target="_blank" >10.1051/0004-6361/201219973</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Determination of atmospheric velocity of bright meteors on the basis of high-resolution light curves

Popis výsledku v původním jazyce

We introduce a new method for the determination of the atmospheric velocity of bright meteors (fireballs). The method uses high-time-resolution light curves of fireballs and photographic or digital records of the fireballs where dynamics data are not available, i.e. a rotating shutter was not used. Simultaneous identification of flares or other unambiguous events is needed on both the light curve and the photographic or digital record. These events, flares for instance, serve as time-marks and substitute the artificial rotating shutter time-marks. We studied the method on nine selected fireballs that fulfill the above conditions, occupy a wide interval of possible initial velocities (from 14.5 to 50 km s(-1)), and are of a different orbital origin (cometary and asteroidal). The method provides correct velocities with scatter of a few km s(-1) around the average value that corresponds to the rotating shutter velocity.

Název v anglickém jazyce

Determination of atmospheric velocity of bright meteors on the basis of high-resolution light curves

Popis výsledku anglicky

We introduce a new method for the determination of the atmospheric velocity of bright meteors (fireballs). The method uses high-time-resolution light curves of fireballs and photographic or digital records of the fireballs where dynamics data are not available, i.e. a rotating shutter was not used. Simultaneous identification of flares or other unambiguous events is needed on both the light curve and the photographic or digital record. These events, flares for instance, serve as time-marks and substitute the artificial rotating shutter time-marks. We studied the method on nine selected fireballs that fulfill the above conditions, occupy a wide interval of possible initial velocities (from 14.5 to 50 km s(-1)), and are of a different orbital origin (cometary and asteroidal). The method provides correct velocities with scatter of a few km s(-1) around the average value that corresponds to the rotating shutter velocity.

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

BN - Astronomie a nebeská mechanika, astrofyzika

OECD FORD obor

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Projekt

Výsledek vznikl pri realizaci vícero projektů. Více informací v záložce Projekty.

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2013

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Astronomy & Astrophysics

ISSN

0004-6361

e-ISSN

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Svazek periodika

550

Číslo periodika v rámci svazku

February

Stát vydavatele periodika

FR - Francouzská republika

Počet stran výsledku

6

Strana od-do

"A31/1"-"A31/6"

Kód UT WoS článku

000314879700031

EID výsledku v databázi Scopus

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