2001MNRAS.326..959C

Query : 2001MNRAS.326..959C

2001MNRAS.326..959C - Mon. Not. R. Astron. Soc., 326, 959-980 (2001/September-3)

Empirical calibration of the near-infrared Ca II triplet - I. The stellar library and index definition.

CENARRO A.J., CARDIEL N., GORGAS J., PELETIER R.F., VAZDEKIS A. and PRADA F.

Abstract (from CDS):

A new stellar library at the near-IR spectral region developed for the empirical calibration of the Caii triplet and stellar population synthesis modelling is presented. The library covers the range λλ8348-9020 at 1.5-Å (FWHM) spectral resolution, and consists of 706 stars spanning a wide range in atmospheric parameters. We have defined a new set of near-IR indices, CaT*, CaT and PaT, which mostly overcome the limitations of previous definitions, the former being specially suited for the measurement of the Caii triplet strength corrected for the contamination from Paschen lines. We also present a comparative study of the new and the previous Ca indices, as well as the corresponding transformations between the different systems. A thorough analysis of the sources of index errors and the procedure to calculate them is given. Finally, index and error measurements for the whole stellar library are provided together with the final spectra.

Abstract Copyright: The Royal Astronomical Society

Journal keyword(s): stars: abundances - stars: fundamental parameters - globular clusters: general - galaxies: stellar content

VizieR on-line data: <Available at CDS (J/MNRAS/326/959): table.dat>

CDS comments: Table.dat : designations 'NNN' in column Num not in Simbad.

Simbad objects: 22

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Number of rows : 22
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024 		#notes
1 M 32 GiG 00 42 41.82480 +40 51 54.6120 9.51 9.03 8.08     ~ 2154 2
2 M 31 AGN 00 42 44.330 +41 16 07.50 4.86 4.36 3.44     ~ 12651 1
3 NGC 188 OpC 00 47 11.5 +85 14 38           ~ 922 0
4 HD 25329 PM* 04 03 14.9979736362 +35 16 23.805785323 9.75 9.37 8.50 7.75 7.23 K1VbFe-2 366 0
5 NGC 2682 OpC 08 51 23.0 +11 48 50           ~ 2342 0
6 * zet Leo V* 10 16 41.4151642435 +23 25 02.341160368 3.89 3.72 3.41 3.09 2.91 F0IIIa 227 0
7 V* SW Vir AB* 13 14 04.3830437280 -02 48 25.130666916 9.24 8.52 6.85     M7III: 262 0
8 M 3 GlC 13 42 11.62 +28 22 38.2     6.39     ~ 2479 0
9 M 5 GlC 15 18 33.22 +02 04 51.7     5.95     ~ 1978 0
10 * g Her AB* 16 28 38.5495839988 +41 52 54.044914927 7.70 6.53 5.01 2.49 0.26 M6-III 377 0
11 M 107 GlC 16 32 31.86 -13 03 13.6           ~ 786 0
12 M 13 GlC 16 41 41.634 +36 27 40.75     5.8     ~ 2193 0
13 M 10 GlC 16 57 09.05 -04 06 01.1     4.98     ~ 789 0
14 M 92 GlC 17 17 07.39 +43 08 09.4     6.52     ~ 2116 0
15 HD 161817 HB* 17 46 40.6293849144 +25 44 56.940630540 7.23 7.13 6.97     sdA2 273 0
16 HD 186568 * 19 43 51.4515233208 +34 09 45.809025300 5.72 5.979 6.053     B8III 69 0
17 M 71 GlC 19 53 46.49 +18 46 45.1           ~ 1128 0
18 2MASS J19534721+1846537 AB* 19 53 47.211 +18 46 53.76   14.610 13.131     ~ 15 0
19 Cl* NGC 6838 AH C RG* 19 53 48.5475438888 +18 44 49.146918936   15.65 14.580   13.371 ~ 21 0
20 NGC 6838 1031 * 19 53 52.1679267696 +18 46 57.326414916   15.14 14.43     ~ 10 0
21 * iot Cep PM* 22 49 40.8174918750 +66 12 01.458192633 5.50 4.60 3.54 2.69 2.19 K0-III 247 0
22 NGC 7789 OpC 23 57 20.2 +56 43 34   7.68 6.7     ~ 528 0

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