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J/A+AS/133/201 Spectral class. of unidentified IRAS sources (Iyengar+ 1998)
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Spectral classification of unidentified IRAS point sources with
F_{nu}_(12{mu}m) >= F_{nu}_(25{mu}m).
Iyengar K.V.K., MacConnell D.J.
<Astron. Astrophys. Suppl. Ser. 133, 201 (1998)>
=1998A&AS..133..201I (SIMBAD/NED BibCode)
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ADC_Keywords: Infrared sources ; Spectral types
Mission_Name: IRAS
Keywords: stars: AGB - stars carbon - infrared: stars - stars: late-type -
stars: mass-loss
Description:
M spectral types and IRAS infrared magnitudes, colors, and variability
parameters are given for 155 largely unidentified IRAS point sources
having quality-3 flux densities at 12, 25, and 60 mum.
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
table6.dat 69 155 Spectral type of IRAS unidentified sources which
have quality-3 flux density data at 12, 25,
and 60 {mu}m
table6.tex 80 308 LaTeX version of table6
table6.ps 72 661 PostScript version of table6
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See also:
II/125 : IRAS catalogue of Point Sources, Version 2.0 (IPAC 1986)
II/177 : Near IR Photometry of a Sample of IRAS Point Sources
(Fouque+ 1992)
III/197 : IRAS Low Resolution Spectra (IRAS team, 1987)
J/A+AS/90/327 : 1612MHz OH survey of IRAS point sources
(te Lintel Hekkert+ 1991)
J/A+A/299/453 : OH/IR stars photometry (Lepine+, 1995)
J/A+AS/99/31 : Identification of C stars in IRAS (Guglielmo+ 1993)
J/ApJ/411/188 : Classification of bright IRAS variables (Allen+ 1993)
Byte-by-byte Description of file: table6.dat
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Bytes Format Units Label Explanations
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1- 10 A10 --- IRAS IRAS Point Source (Cat. <II/125>) name
11- 18 A8 --- Footnote Optional footnote to entry (1)
20- 24 F5.1 deg GLON Galactic longitude
25- 29 F5.1 deg GLAT Galactic latitude
31- 33 A3 --- SpType Spectral type by DJM (2)
35- 39 F5.2 mag [12] IRAS magnitude at 12 mum
41- 45 F5.2 mag [25] IRAS magnitude at 25 mum
47- 51 F5.2 mag [60] IRAS magnitude at 60 mum
53- 57 F5.2 mag ([12]-[25])VH IRAS color (3)
59- 63 F5.2 mag ([25]-[60])VH IRAS color (3)
65- 66 I2 --- Var IRAS variability flag
68- 69 I2 --- LRS ? IRAS Low-Resol. Spectrometer flag
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Note (1): References:
a: Allen et al., 1993, Cat. <J/ApJ/411/188>
b: Fouque et al., 1992, Cat. <II/177>
c: Guglielmo et al., 1993, Cat. <J/A+AS/99/31>
d: Haikala et al., 1994A&AS..103..107H
e: Hashimoto, 1994, Cat. <J/A+AS/107/445>
f: Jiang et al., 1996, Cat. <J/ApJS/106/463>
g: Lepine et al., 1995, Cat. <J/A+A/299/453>
h: Lewis et al., 1990ApJ...362..634L
i: Olnon et al., 1986A&AS...65..607O
j: Sivagnanam et al., 1990A&A...233..112S
k: te Lintel Hekkert et al., 1991, Cat. <J/A+AS/90/327>
l: Volk et al., 1991ApJS...77..607V
m: Kwok et al., 1997ApJS..112..557K
Note (2): Classification of MacConnell, 1992AJ....104..821M
Note (3): Colours as defined by van der Veen and Habing (1988A&A...194..125V):
[12]-[25]=2.5[log(F_nu_(25)/F_nu_(12))]
[25]-[60]=2.5[log(F_nu_(60)/F_nu_(25))]
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Acknowledgements: Jack MacConnell <MACCONNELL@stsci.edu>
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(End) Patricia Bauer [CDS] 28-Oct-1998