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VII/60 Near-Infrared Source Counts in the Galactic Plane (Kawara+ 1983)
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Near-Infrared Source Counts in the Galactic Plane
Kawara K., Kozasa T., Sato S., Okuda H., Kobayashi Y., Jugaku J.
<Mem. Fac. Sci., Kyoto Univ., Ser. A, 36, 353 (1983)>
=1983KyoMe..36..353K
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ADC_Keywords: Galactic plane ; Photometry, infrared ; Infrared sources
Description:
This catalog is a list of 1,989 sources detected along the galactic
plane between longitudes 349 and 45 degrees. The total scanned area
was 12 square degrees and all sources brighter than magnitude 6.5 in
the K band are listed. The observations were made during 1978 and
1979 using a specially designed multicolor photometer. The sources
are listed in ascending order in right ascension, separately for the
17 fields from l=349 deg to l=45 deg. The estimated rms position
errors range from 15" to 20" in both declination and right ascension,
after correcting for systematic errors (Kawara et al. 1983).
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
catalog.dat 62 1989 Multicolor photometric data
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Byte-by-byte Description of file: catalog.dat
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Bytes Format Units Label Explanations
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2- 7 F6.2 deg GLON Galactic longitude, l(II)
10- 14 F5.2 deg GLAT Galactic latitude, b(II)
17- 18 I2 h RAh Right ascension (degrees) B1950.0
20- 21 I2 min RAm RA in minutes
23- 26 F4.1 s RAs RA in seconds
29 A1 --- DE- Sign of Declination
30- 31 I2 deg DEd Declination (degrees) B1950.0
33- 34 I2 arcmin DEm Dec in arcminutes
36- 37 I2 arcsec DEs [0,60] Dec in arcseconds
40- 42 F3.1 mag Imag ? I magnitude
45- 47 F3.1 mag Hmag ? H magnitude
50- 52 F3.1 mag Kmag ? K magnitude
54- 57 F4.1 mag Lmag ? L magnitude
59- 62 F4.1 mag HKcolor ? H-K color
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Modifications and Remarks:
The data were supplied to the Astronomical Data Center, NASA Goddard
Space Flight Center, as a series of 17 files on magnetic tape, by Dr. K.
Kawara. The 17 files, representing the individual areas scanned, were
moved to disk storage, concatenated to a single file, and reformatted to
minimize storage. The sources were then sorted by increasing galactic
longitude.
The magnitudes in the I, H, K, and L bands are given. The fluxes for a
zero-magnitude star (um = micrometers) are defined as:
I (0.82 um) - 1.08 x 10**-12 W/cm**2/um
H (1.61 um) - 1.20 x 10**-12 W/cm**2/um
K (2.21 um) - 3.8 x 10**-12 W/cm**2/um
L (3.58 um) - 6.8 x 10**-12 W/cm**2/um
The H-K colors are given only for sources of H magnitude 6.5 and brighter.
Data format modified at the Astronomical Data Center (ADC)/NASA GSFC,
1992 January.
Acknowledgements:
The original ADC documentation by Wayne H. Warren (1992) was used to
create this ReadMe file.
References:
Kawara, K., Kozasa, T., Sato, S., Kobayashi, Y., Okuda, H., and
Jugaku, J. 1982, PASJ, 34, 389 =1982PASJ...34..389
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(End) C.-H. Joseph Lyu [Hughes STX/NASA] 30-Apr-1996