J/A+A/448/181 IR colours of AGB and post-AGB stars (Groenewegen+, 2006)
The mid- and far-infrared colours of AGB and post-AGB stars.
Groenewegen M.A.T.
<Astron. Astrophys. 448, 181 (2006)>
=2006A&A...448..181G 2006A&A...448..181G
ADC_Keywords: Stars, giant ; Photometry, infrared ; Models, evolutionary
Keywords: stars: circumstellar matter - stars: mass loss -
stars: AGB and post-AGB
Abstract:
With the advent of space missions, like SPITZER and ASTRO-F, with
sensitive detectors in the near- and mid-infrared covering a
reasonable field-of-view and having a good spatial resolution it will
be possible to detect individual AGB stars in Local Group galaxies.
The filters used by these missions are non-standard and different from
mission to mission.
In this paper the colours of mass-losing AGB and post-AGB stars are
calculated in the broad-band filters of the SPITZER and ASTRO-F
missions, as well as Bessell V,I and 2MASS J,H,K to connect these
results to existing ground-based data.
The models are calculated for carbon- and oxygen-rich chemistry and
cover different effective temperatures and dust compositions.
Description:
36 files are available electronically, corresponding to Tables A1-A36
of the Appendix, in the sub-directory "apx"; these files were grouped
in 4 different files, delaing with AGB and post-AGB stages, and in
the filters of 2MASS JHK and SPITZER (mag1) and ASTRO-F (mag2)
The original files have names of the type: MAGNITUDE[n]AB_C.DAT, where
-- n=1 list the VI, JHK, IRAC, MIPS colours;
-- n=2 the various ASTRO-F colours.
-- A= chemical type and effective temperature: C2650, C3600, M0, M6, M10.
-- B= dust type and composition: AMC, AMCSIC15, AlOx, dpmod60alox40, dpmod.
-- C= AGB or pAGB.
For C= AGB the first column list the mass loss rate;
for C=pAGB the first column list the temperature at the inner dust
radius.
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
mag1agb.dat 120 230 Colours of mass-losing AGB in the Bessell VI,
2MASS JHK and SPITZER broad-band filters.
(Tables A1-A13)
mag1pagb.dat 120 84 Colours of mass-losing post-AGB in the Bessell VI,
2MASS JHK and SPITZER broad-band filters.
(Tables A27-A31)
mag2agb.dat 129 232 Colours of mass-losing AGB in the
ASTRO-F broad-band filters (Tables A14-A26)
mag2pagb.dat 129 84 Colours of mass-losing post-AGB in the
ASTRO-F broad-band filters (Tables A32-A36)
apx/* . 36 The 36 tables (original latex format)
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Byte-by-byte Description of file: mag1agb.dat
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Bytes Format Units Label Explanations
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1 A1 --- Type [CM] (C) carbon- or (M) oxygen-rich chemistry
3- 6 I4 K Teff Effective temperature
8- 20 A13 ---- Dust Dust composition (G1)
22- 29 E8.2 --- dM/dt Mass loss rate
31- 39 F9.6 --- tau Dust optical depth
41- 45 F5.2 mag Vmag Bessell V magnitude
47- 51 F5.2 mag Imag Bessell I magnitude
53- 57 F5.2 mag Jmag 2MASS J magnitude
59- 63 F5.2 mag Hmag 2MASS H magnitude
65- 69 F5.2 mag Kmag 2MASS K magnitude
71- 76 F6.1 mJy IRAC3.6 Spitzer IRAC 3.55um flux
78- 83 F6.1 mJy IRAC4.5 Spitzer IRAC 4.49um flux
85- 90 F6.1 mJy IRAC5.8 Spitzer IRAC 5.73um flux
92- 97 F6.1 mJy IRAC8.0 Spitzer IRAC 7.87um flux
99-105 F7.2 mJy MIPS24 Spitzer MIPS 24um flux
107-112 F6.2 mJy MIPS70 Spitzer MIPS 70um flux
114-120 F7.3 mJy MIPS160 Spitzer MIPS 160um flux
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Byte-by-byte Description of file: mag1pagb.dat
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Bytes Format Units Label Explanations
--------------------------------------------------------------------------------
1 A1 --- Type [CM] (C) carbon- or (M) oxygen-rich chemistry
3- 6 I4 K Teff Effective temperature
8- 20 A13 ---- Dust Dust composition (G1)
22- 29 E8.2 K Tinn Temperature at the inner dust radius
31- 39 F9.6 --- tau Dust optical depth
41- 45 F5.2 mag Vmag Bessell V magnitude
47- 51 F5.2 mag Imag Bessell I magnitude
53- 57 F5.2 mag Jmag 2MASS J magnitude
59- 63 F5.2 mag Hmag 2MASS H magnitude
65- 69 F5.2 mag Kmag 2MASS K magnitude
71- 76 F6.1 mJy IRAC3.6 Spitzer IRAC 3.55um flux
78- 83 F6.1 mJy IRAC4.5 Spitzer IRAC 4.49um flux
85- 90 F6.1 mJy IRAC5.8 Spitzer IRAC 5.73um flux
92- 97 F6.1 mJy IRAC8.0 Spitzer IRAC 7.87um flux
99-105 F7.2 mJy MIPS24 Spitzer MIPS 24um flux
107-112 F6.2 mJy MIPS70 Spitzer MIPS 70um flux
114-120 F7.3 mJy MIPS160 Spitzer MIPS 160um flux
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Byte-by-byte Description of file: mag2agb.dat
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Bytes Format Units Label Explanations
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1 A1 --- Type [CM] (C) carbon- or (M) oxygen-rich chemistry
3- 6 I4 K Teff Effective temperature
8- 20 A13 ---- Dust Dust composition (G1)
22- 29 E8.2 --- dM/dt Mass loss rate
31- 39 F9.6 --- tau Dust optical depth
41- 45 F5.1 mJy IRCN2 ASTRO-F IRC N2 (2.69um) flux
47- 51 F5.1 mJy IRCN3 ASTRO-F IRC N3 (3.06um) flux
53- 58 F6.1 mJy IRCN4 ASTRO-F IRC N4 (4.55um) flux
60- 65 F6.1 mJy MIRSS7 ASTRO-F MIRS (8.0um) S7 flux
67- 72 F6.1 mJy MIRSS9W ASTRO-F MIRS S9W (10.04um) flux
74- 79 F6.1 mJy MIRSS11 ASTRO-F MIRS S11 (10.0um) flux
81- 86 F6.1 mJy MIRLL15 ASTRO-F MIRL L5W (17.5um) flux
88- 93 F6.1 mJy MIRLL18W ASTRO-F MIRL L18W (17.6um) flux
95-100 F6.1 mJy MIRLL24 ASTRO-F MIRL L24 (23.55um) flux
102-108 F7.2 mJy FISN60 ASTRO-F FIS N60 (60um) flux
110-115 F6.2 mJy FISWIDES ASTRO-F FIS WIDE-S (90um) flux
117-122 F6.2 mJy FISWIDEL ASTRO-F FIS WIDE-L (140um) flux
124-129 F6.2 mJy FISN160 ASTRO-F FIS N160 (160um) flux
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Byte-by-byte Description of file: mag2pagb.dat
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Bytes Format Units Label Explanations
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1 A1 --- Type [CM] (C) carbon- or (M) oxygen-rich chemistry
3- 6 I4 K Teff Effective temperature
8- 20 A13 ---- Dust Dust composition (G1)
22- 29 E8.2 K Tinn Temperature at the inner dust radius
31- 39 F9.6 --- tau Dust optical depth
41- 45 F5.1 mJy IRCN2 ASTRO-F IRC N2 (2.69um) flux
47- 51 F5.1 mJy IRCN3 ASTRO-F IRC N3 (3.06um) flux
53- 58 F6.1 mJy IRCN4 ASTRO-F IRC N4 (4.55um) flux
60- 65 F6.1 mJy MIRSS7 ASTRO-F MIRS (8.0um) S7 flux
67- 72 F6.1 mJy MIRSS9W ASTRO-F MIRS S9W (10.04um) flux
74- 79 F6.1 mJy MIRSS11 ASTRO-F MIRS S11 (10.0um) flux
81- 86 F6.1 mJy MIRLL15 ASTRO-F MIRL L5W (17.5um) flux
88- 93 F6.1 mJy MIRLL18W ASTRO-F MIRL L18W (17.6um) flux
95-100 F6.1 mJy MIRLL24 ASTRO-F MIRL L24 (23.55um) flux
102-108 F7.2 mJy FISN60 ASTRO-F FIS N60 (60um) flux
110-115 F6.2 mJy FISWIDES ASTRO-F FIS WIDE-S (90um) flux
117-122 F6.2 mJy FISWIDEL ASTRO-F FIS WIDE-L (140um) flux
124-129 F6.2 mJy FISN160 ASTRO-F FIS N160 (160um) flux
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Global notes:
Note (G1): Dust composition is defined as:
-- For dust around O-rich stars
AlOx = 100% Aluminium Oxyde (amorphous porous Al2O3), with
optical constants from Begemann et al. (1997ApJ...476..199B 1997ApJ...476..199B)
and assuming a condensation temperature of Tc=1500K.
dpmod60alox40 = A combination of 60% AlOX and 40% Silicate (optical
constants from David & Pegourie, 1995, Cat. J/A+A/293/833)
and a assuming condensation temperature of Tc=1500K.
dpmod = 100% silicate with Tc=1000K
-- For dust around C-rich stars
AMC = 100% AMC with a Tc of 1000K
AMCSI15 = A Combination of 85% Amorphous Carbon (AMC) and 15%
Silicon Carbide (SiC) with optical constants from,
respectively, Rouleau & Martin (1991ApJ...377..526R 1991ApJ...377..526R) for
the AC1 species and α-SiC from Pegourie
(1988A&A...194..335P 1988A&A...194..335P). A Rc of 1200K is adopted.
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Acknowledgements: Martin Groenewegen, groen(at)ster.kuleuven.be
(End) Patricia Vannier [CDS] 15-Nov-2005