J/A+A/580/A67 Catalogue of representative meteor spectra (Vojacek+, 2015)
Catalogue of representative meteor spectra.
Vojacek V., Borovicka J., Koten P., Spurny P., Stork R.
<Astron. Astrophys. 580, A67 (2015)>
=2015A&A...580A..67V 2015A&A...580A..67V
ADC_Keywords: Comets ; Spectroscopy
Keywords: meteorites, meteors, meteoroids - catalogs
Abstract:
We present library of meteor spectra in the range 3700-8800Å
including sporadic meteors, minor showers and major showers in the
magnitude range from +2 to -3, corresponding to meteoroid sizes from
1mm to 10mm.
Parallel double-station video observations allowed us to compute
heliocentric orbits for all meteors. Most observations were performed
during the periods of activity of major meteor showers in the years
between 2006 and 2012. Spectra are classified according to relative
intensities of the low-temperature emission lines of Mg, Na, and Fe.
Description:
The measurements of all frames of the spectra were combined and
intensities summed along the whole meteor paths are given as a
function of wavelength. Total intensities of multiplets Mg1-2, Na1-1,
and Fe1-15 are given explicitly in a separate file.
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
table4.dat 115 84 Atmospheric trajectories of observed meteors
table5.dat 124 84 Orbital parameters of observed meteors
table6.dat 34 84 Total intensities of lines of Mg1-2, Na1-1 and
Fe1-15 for all spectra of the catalogue
sp/* . 84 Individual spectrum in ascii
fits/* . 84 Individual spectrum in fits
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Byte-by-byte Description of file: table4.dat
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Bytes Format Units Label Explanations
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1- 7 A7 --- SpFile Name of spectrum file (G1)
9- 16 A8 --- Meteor Number of meteor (1)
18- 25 A8 "h:m:s" Time Observing time in UT
27- 32 F6.2 deg RAg Radiant geocentric right ascension
34- 37 F4.2 deg e_RAg Error of radiant geocentric right ascension
39- 44 F6.2 deg DEg Radiant geocentric declination
46- 49 F4.2 deg e_DEg Error of radiant geocentric declination
51- 55 F5.2 deg Zenith [11/82] Radiant zenithal distance
57- 60 F4.2 deg e_Zenith [0.01/2] Error of radiant zenithal distance
62- 66 F5.1 km Hb [78/137] Meteor beginning height
68- 71 F4.1 km He [55/100] Meteor terminal height
73- 76 F4.1 mag Mmax [-3.1/2.1] Maximum magnitude of meteor
78- 84 E7.2 g Mass Photo Mass
86- 90 F5.2 km/s Velinf [12/73] Atmospheric velocity
92- 95 F4.2 km/s e_Velinf [0.02/1] Error of atmospheric velocity
97-115 A19 --- Class Classified spectral type of given meteor
(among Normal, Iron, Fe-poor, Na-free,
Na-poor, Na-rich, Na-enhanced)
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Note (1): The date of the observation of the meteor is encoded in the number
of the corresponding meteor. The number is given in the form YYMDDXXX, where:
YY = last two digits of the year.
M = month of the year: 1 to 9 is January to September, A is October,
B is November and C is December.
DD = day when the observation started (the evening date).
XXX = the number of the meteor;
the counting starts at the beginning of the night.
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Byte-by-byte Description of file: table5.dat
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Bytes Format Units Label Explanations
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1- 7 A7 --- SpFile Name of spectrum file (G1)
9- 14 F6.3 1/AU 1/a [-0.02/0.8] Reciprocal semi-major axis
16- 20 F5.3 1/AU e_1/a [0.002/0.11] Reciprocal semi-major axis error,
δ(1/a)
22- 26 F5.3 --- e [0.38/1.01] Eccentricity
28- 32 F5.3 --- e_e [0.001/0.1] Eccentricity error
34- 39 F6.2 deg i [0/180] Inclination
41- 44 F4.2 deg e_i [0.01/1] Inclination error
46- 50 F5.3 AU q [0.04/1.02] Perihelion distance
52- 56 F5.3 AU e_q [0.001/0.01] Perihelion distance error
58- 64 F7.2 AU Q [-200/430] Aphelion distance
66- 71 F6.2 AU e_Q [0.02/770] Aphelion distance error
73- 78 F6.2 deg omega [0/360] Argument of periapsis ω
80- 83 F4.2 deg e_omega [0.03/3] Argument of periapsis error
85- 90 F6.2 deg Omega [0/360] Longitude of the ascending node Ω
92- 96 F5.2 --- Tj [-1/4.51] Tisserand parameter
98-101 F4.2 --- e_Tj [0.01/2] Tisserand parameter error
103-107 F5.2 km/s vg [6/72] Geocentric velocity
109-112 F4.2 km/s e_vg [0.03/1] Geocentric velocity error
114-124 A11 --- Shower The shower membership
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Byte-by-byte Description of file: table6.dat
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Bytes Format Units Label Explanations
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1- 7 A7 --- SpFile Name of spectrum file (G1)
9- 16 E8.3 J/sr Mg1-2 Summed intensity of line Mg1-2
18- 25 E8.3 J/sr Na1-1 Summed intensity of line Na1-1
27- 34 E8.3 J/sr Fe1-15 Summed intensity of line Fe1-15
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Byte-by-byte Description of file: sp/*
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Bytes Format Units Label Explanations
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1- 4 I4 0.1nm lambda [3712/8798] Wavelength
8- 12 I5 --- Flux.u Observed uncalibrated intensity
in arbitrary units
16- 20 I5 --- Flux Observed calibrated intensity
in arbitrary units
25- 28 I4 --- e_Flux Absolute uncertainty of calibrated intensity
in arbitrary units
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Global notes:
Note (G1): Name of spectrum file, SNNNNN, in ascii in subdirectory sp with
.dat extension, in fits in subdirectory fits with .fits extension.
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Acknowledgements:
Vlastimil Vojacek, vojacek(at)asu.cas.cz
(End) Patricia Vannier [CDS] 02-Sep-2014