2003A&A...400..679D

Query : 2003A&A...400..679D

2003A&A...400..679D - Astronomy and Astrophysics, volume 400679-694 (2003/3-3)

ISO-SWS calibration and the accurate modelling of cool-star atmospheres. II. General results.

DECIN L., VANDENBUSSCHE B., WAELKENS C., ERIKSSON K., GUSTAFSSON B., PLEZ B., SAUVAL A.J. and HINKLE K.

Abstract (from CDS):

The fine calibration of the ISO-SWS detectors (Infrared Space Observatory - Short Wavelength Spectrometer) has proven to be a delicate problem. We therefore present a detailed spectroscopic study in the 2.38-12µm wavelength range of a sample of 16 A0-M2 stars used for the calibration of ISO-SWS. By investigating the discrepancies between the ISO-SWS data of these sources, the theoretical predictions of their spectra, the high-resolution FTS-KP (Kitt Peak) spectrum of α Boo and the solar FTS-ATMOS (Atmospheric Trace Molecule Spectroscopy) spectrum, both calibration problems and problems in computing the theoretical models and the synthetic spectra are revealed. The underlying reasons for these problems are sought for and the impact on the further calibration of ISO-SWS and on the theoretical modelling is discussed extensively.

Abstract Copyright: ∼

Journal keyword(s): instrumentation: spectrographs - methods: data analysis - infrared: stars - stars: atmospheres - stars: late-type - stars: fundamental parameters

Simbad objects: 20

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Number of rows : 20
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 * bet And PM* 01 09 43.92388 +35 37 14.0075 5.58 3.62 2.05 0.81 -0.19 M0+IIIa 572 1
2 * alf Cet LP? 03 02 16.77307 +04 05 23.0596 6.10 4.17 2.53 1.18 0.02 M1.5IIIa 480 1
3 * alf Tau LP? 04 35 55.23907 +16 30 33.4885 4.32 2.40 0.86 -0.37 -1.31 K5+III 1298 2
4 * alf Car * 06 23 57.10988 -52 41 44.3810 -0.49 -0.59 -0.74 -0.96 -1.13 A9II 461 1
5 * alf CMa SB* 06 45 08.91728 -16 42 58.0171 -1.51 -1.46 -1.46 -1.46 -1.43 A0mA1Va 1610 0
6 * bet Leo dS* 11 49 03.57834 +14 34 19.4090 2.30 2.22 2.13 2.08 2.06 A3Va 605 1
7 * gam Cru PM* 12 31 09.95961 -57 06 47.5684 5.01 3.23 1.64 -0.02 -1.44 M3.5III 291 1
8 * alf Boo RG* 14 15 39.67207 +19 10 56.6730 2.46 1.18 -0.05 -1.03 -1.68 K1.5IIIFe-0.5 2417 1
9 * alf Cen A SB* 14 39 36.49400 -60 50 02.3737 0.96 0.72 0.01     G2V 1352 1
10 * bet UMi V* 14 50 42.32580 +74 09 19.8142 5.32 3.55 2.08 0.97 0.21 K4-III 344 1
11 * g Her AB* 16 28 38.5495839988 +41 52 54.044914927 7.70 6.53 5.01 2.49 0.26 M6-III 390 0
12 * H Sco V* 16 36 22.4715031529 -35 15 19.193081688   5.730 4.156     K5III 66 0
13 * ksi Dra PM* 17 53 31.7295427958 +56 52 21.510944948 6.14 4.93 3.75 2.92 2.33 K2III 285 0
14 * gam Dra * 17 56 36.36988 +51 29 20.0242 5.630 3.760 2.230 1.08 0.23 K5III 581 1
15 * alf Lyr dS* 18 36 56.33635 +38 47 01.2802 0.03 0.03 0.03 0.07 0.10 A0V 2787 1
16 * del Dra PM* 19 12 33.3013729052 +67 39 41.539165396 4.85 4.07 3.07 2.37 1.86 G9III 295 0
17 V* T Mic AB* 20 27 55.1897976672 -28 15 39.797839548   8.33 6.74     M7/8III 101 0
18 * alf Tuc SB* 22 18 30.1124372937 -60 15 34.666361094 5.75 4.18 2.82 1.76 1.02 K3III 139 0
19 * bet Gru LP? 22 42 40.05027 -46 53 04.4752 5.33 3.73 2.11 0.20 -1.57 M4.5III 209 1
20 * bet Peg LP* 23 03 46.45746 +28 04 58.0336 6.05 4.09 2.42 0.92 -0.40 M2.5II-III 606 1

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