J/A+AS/133/201 Spectral class of unidentified IRAS sources (Iyengar+ 1998)
Spectral classification of unidentified IRAS point sources with
Fν(12µm) ≥ Fν(25µm).
Iyengar K.V.K., MacConnell D.J.
<Astron. Astrophys. Suppl. Ser. 133, 201 (1998)>
=1998A&AS..133..201I 1998A&AS..133..201I
ADC_Keywords: Infrared sources ; Spectral types
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 60µm
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
12- 18 A7 --- r_IRAS Optional footnote to entry (1)
20- 24 F5.1 deg GLON Galactic longitude
25- 29 F5.1 deg GLAT Galactic latitude
31- 33 A3 --- SpT 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] IRAS color (3)
59- 63 F5.2 mag [25]-[60] IRAS color (3)
65- 66 I2 % Var IRAS variability flag
68- 69 I2 --- LRS ? IRAS Low-Resolution Spectrometer flag
(see Cat. III/197, Note (1))
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Note (1): References as follows:
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 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 1990ApJ...362..634L
i = Olnon et al., 1986A&AS...65..607O 1986A&AS...65..607O
j = Sivagnanam et al., 1990A&A...233..112S 1990A&A...233..112S
k = te Lintel Hekkert et al., 1991, Cat. J/A+AS/90/327
l = Volk et al., 1991ApJS...77..607V 1991ApJS...77..607V
m = Kwok et al., 1997ApJS..112..557K 1997ApJS..112..557K
Note (2): Classification of MacConnell, 1992AJ....104..821M 1992AJ....104..821M
Note (3): Colours as defined by van der Veen and Habing (1988A&A...194..125V 1988A&A...194..125V):
* [12]-[25]=2.5[log(Fnu(25)/Fnu(12))]
* [25]-[60]=2.5[log(Fnu(60)/Fnu(25))]
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Acknowledgements: Jack MacConnell
(End) Patricia Bauer [CDS] 28-Oct-1998