urn:nasa:pds:gbo-mcdonald:19p_col_density:lcs
1.0
Large Cassegrain Spectrograph Observations - 19P/Borrelly
1.11.0.0
Product_Observational
2019
Observations made with the Large Cassegrain
Spectrograph (LCS) at McDonald Observatory. This is a long-slit
instrument and data are presented for many positions along the
slit as well as for multiple slit positions.
2015-08-26
1.0
Migration from PDS3
1981-01-03T03:45:00Z
1994-12-06T09:51:00Z
Science
Derived
Ultraviolet
Visible
Near Infrared
Small Bodies
Production Rates
None
Other Investigation
urn:nasa:pds:context:investigation:individual.none
data_to_investigation
McDonald Observatory
Observatory
urn:nasa:pds:context:facility:observatory.mcdonald
is_facility
2.7m Telescope
Telescope
urn:nasa:pds:context:telescope:mcdonald.smith2m7
is_telescope
Large Cassegrain Spectrograph
Instrument
19P/1904 Y2 (Borrelly 1)
Comet
urn:nasa:pds:context:target:comet.19p_borrelly
data_to_target
lcs.tab
520064
3824
0
3824
Observations made with the Large Cassegrain
Spectrograph (LCS) at McDonald Observatory. This is a long-slit
instrument and data are presented for many positions along the
slit as well as for multiple slit positions.
Carriage-Return Line-Feed
16
0
136
Date
1
1
ASCII_Date_Time_YMD
10
%-10s
Date of observation in the format YYYY-MM-DD
RA Offset
2
13
ASCII_Integer
7
%7d
KM
Offset in right ascension (km) from the photocenter
of the comet at the wavelength of the TV guiding system (approx.
5000 Angstroms) to the position of the center of the scanner
aperture.
DEC Offset
3
22
ASCII_Integer
7
%7d
Offset in declination (km) from the photocenter of
the comet at the wavelength of the TV guiding system (approx. 5000
Angstroms) to the position of the center of the scanner aperture.
Log C2 Offset
4
34
ASCII_Real
5
%5.3f
Logarithm base 10 of the total offset distance (km)
for C2.
Log C2(1)
5
41
ASCII_Real
6
%6.3f
Logarithm base 10 of the column density of C2
triplet radicals [cm^-2] at the offset position as deduced from
the Delta-v=+1 sequence of the San bands (4737 Angstroms).
0.000
Log C2(0)
6
49
ASCII_Real
6
%6.3f
Logarithm base 10 of the column density of C2
triplet radicals [cm^-2] at the offset position as deduced from
the Delta-v=0 sequence of the Swan bands (5165 Angstroms).
0.000
Log OH Offset
7
58
ASCII_Real
5
%5.3f
Logarithm base 10 of the total offset distance [km]
for OH.
Log OH
8
65
ASCII_Real
6
%6.3f
Logarithm base 10 of the column density of OH
[cm^-2] at the offset position as deduced from the Delta-v=0
sequence of the A-X system at 3085 Angstroms.
0.000
Log NH Offset
9
74
ASCII_Real
5
%5.3f
Logarithm base 10 of the total offset distance [km]
for NH.
Log NH
10
81
ASCII_Real
6
%6.3f
Logarithm base 10 of the column density of NH
[cm^-2] at the offset position as deduced from the Delta-v=0
sequence of the A-X system at 3365 Angstroms.
0.000
Log CN Offset
11
90
ASCII_Real
5
%5.3f
Logarithm base 10 of the total offset distance
[km] for CN.
Log CN
12
97
ASCII_Real
6
%6.3f
Logarithm base 10 of the column density of CN
radicals [cm^-2] at the offset position as deduced from the
Delta-v=0 sequence of the B-X system of CN (3883 Angstroms).
0.000
Log C3 Offset
13
106
ASCII_Real
5
%5.3f
Logarithm base 10 of the total offset distance [km]
for C3.
Log C3
14
113
ASCII_Real
6
%6.3f
Logarithm base 10 of the column density of C3
radicals [cm^-2] at the offset position as deduced from the
extended sequence of emission system of C3 at 4050 Angstroms.
0.000
Log CH Offset
15
122
ASCII_Real
5
%5.3f
Logarithm base 10 of the total offset distance [km]
for CH.
Log CH
16
130
ASCII_Real
5
%5.3f
Logarithm base 10 of the column density of CH
radicals [cm^-2] at the offset position as deduced from the
Delta-v=0 sequence of the A-X system of CH (4315 Angstroms).
0.000