1994A&AS..103..279M


Query : 1994A&AS..103..279M

1994A&AS..103..279M - Astron. Astrophys., Suppl. Ser., 103, 279-291 (1994/February-0)

The Ca II triplet lines in cool stars

MALLIK S.V.

Abstract (from CDS):

Observations of the infrared triplet lines of ionized calcium are presented for 91 stars brighter than mv=+7.0 in the spectral range F8-M4 of all luminosity classes and over a range of metallicities [Fe/H] from -0.65 to +0.60. The above spectra have been obtained at a spectral resolution of 0.4 A with a coude echelle spectrograph using the Thomson CCD as the detector. This study has been undertaken primarily to investigate the dependence of the Ca II triplet strengths over the broad range of atmospheric parameters like luminosity, temperature and metallicity. The Ca II triplet lines are a powerful diagnostic of the stellar populations in galaxies because of their sensitivity to the above parameters. Our detailed analysis indicates a strong correlation between the equivalent width of the Ca II triplet lines and surface gravity, much stronger in metal rich stars than in metal poor stars. The Ca II equivalent widths are fairly insensitive to temperature over the range of luminosity covered. However, they are found to be quite sensitive to metallicity, more conspicuously in supergiants than in giants and dwarfs. Observations are compared with recent theoretical calculations of these lines in NLTE atmospheres.

Abstract Copyright:

Journal keyword(s): stars: atmospheres - stars: late-type - galaxies: stellar content

Simbad objects: 93

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Number of rows : 93
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2022
#notes
1 * 3 Cet V* 00 04 30.1182732 -10 30 34.284891   6.541 4.924     K3Ib 107 0
2 M 32 IG 00 42 41.825 +40 51 54.61 9.51 9.03 8.08     ~ 2091 2
3 M 31 G 00 42 44.330 +41 16 07.50 4.86 4.36 3.44     ~ 11842 1
4 * ups And PM* 01 36 47.8415443907 +41 24 19.651368029 4.70 4.64 4.10 3.64 3.35 F9V 919 1
5 * tau Cet PM* 01 44 04.0831371922 -15 56 14.927607677 4.43 4.22 3.50 2.88 2.41 G8V 1173 1
6 * gam01 And SB* 02 03 53.95229 +42 19 47.0223 4.22 3.30 2.10 1.16 0.47 K2+IIb 336 0
7 * tet Per PM* 02 44 11.9866154103 +49 13 42.414669174 4.62 4.62 4.11 3.67 3.37 F8V 396 0
8 * eta Per * 02 50 41.8095904 +55 53 43.787576 7.38 5.48 3.79 2.56 1.67 K3-Ib-IIa 209 0
9 * rho Per LP* 03 05 10.59385 +38 50 24.9943 6.83 5.04 3.39 1.59 -0.03 M4+IIIa 310 0
10 * iot Per PM* 03 09 04.0193012009 +49 36 47.802053343 4.76 4.64   3.7   G0V 525 0
11 * eps Eri BY* 03 32 55.8444911587 -09 27 29.739493865 5.19 4.61 3.73 3.00 2.54 K2V 1806 1
12 * mu. Per SB* 04 14 53.8625277 +48 24 33.591168 5.75 5.12 4.16 3.38 2.83 G0Ib 234 0
13 * omi02 Eri Er* 04 15 16.3196189945 -07 39 10.330779018 5.69 5.25 4.43 3.74 3.29 K0V 774 0
14 * alf Tau LP? 04 35 55.23907 +16 30 33.4885 4.32 2.40 0.86 -0.37 -1.31 K5+III 1217 1
15 * l Eri ** 04 38 10.8240964091 -14 18 14.483465432 5.99 4.96 3.87 3.03 2.47 K2-IIIb 131 0
16 * omi02 Ori PM* 04 56 22.2759672613 +13 30 52.087623488 6.31 5.21 4.06 3.18 2.55 K2-IIIb 118 0
17 * iot Aur V* 04 56 59.6200224533 +33 09 57.937579478 6.00 4.22 2.69 1.63 0.81 K3II-III 270 0
18 * pi.06 Ori V* 04 58 32.9022894600 +01 42 50.448732336   5.853 4.459     K2-IIb 126 0
19 * eps Lep PM* 05 05 27.6653698 -22 22 15.723893 6.41 4.64 3.18 2.08 1.27 K4III 150 0
20 * bet Lep ** 05 28 14.7231588 -20 45 33.987791 4.13 3.66 2.84 2.19 1.75 G5II-IIIa: 233 0
21 * bet Col PM* 05 50 57.5921991 -35 46 05.915211 5.49 4.28 3.12 2.27 1.69 K1III_CN+1 141 0
22 * chi01 Ori RS* 05 54 22.9829893 +20 16 34.222038 5.08 5.00 4.40 3.90 3.59 G0V 824 0
23 * alf Ori s*r 05 55 10.30536 +07 24 25.4304 4.38 2.27 0.42 -1.17 -2.45 M1-M2Ia-Iab 1567 0
24 * del Aur SB* 05 59 31.6184193950 +54 17 05.056666306 5.580 4.730 3.720 2.95 2.45 K0IIIb 184 0
25 * 1 Gem SB* 06 04 07.21544 +23 15 48.0401 5.54 5.02 4.15 3.47 3.02 G5III 200 0
26 * gam Mon * 06 14 51.3336645 -06 16 29.188011 6.69 5.27 3.96 2.99 2.36 K1III: 102 0
27 * eta Gem RG* 06 14 52.6452865329 +22 30 24.434377815 6.55 4.89 3.28 1.79 0.48 M2IIIa 248 0
28 HD 44033 Pu* 06 20 04.2239782152 +14 39 04.066374096   7.224 5.658     K5III 72 0
29 * del Col SB* 06 22 06.8249488320 -33 26 11.036211216 5.25 4.73 3.85 3.18 2.71 G7II 80 0
30 * mu. Gem LP* 06 22 57.62686 +22 30 48.8979 6.37 4.51 2.87 1.30 -0.08 M3IIIab 371 1
31 * psi01 Aur s*r 06 24 53.9015502096 +49 17 16.411221960 8.85 6.67 4.75 3.36 2.29 K5-M1Iab-Ib 167 0
32 * eps Gem V* 06 43 55.9262590 +25 07 52.051484 5.85 4.39 2.98 2.01 1.40 G8Ib 384 0
33 * tau Pup SB* 06 49 56.1684595 -50 36 52.443676   4.13 2.93     K1III 101 0
34 * omi01 CMa s*r 06 54 07.9522701192 -24 11 03.159501504 7.59 5.60 3.87 2.70 1.88 K2Iab 169 0
35 * tet CMa PM* 06 54 11.3988612864 -12 02 19.061163780 7.20 5.51 4.08 2.95 2.17 K3/4III 213 0
36 * 15 Lyn ** 06 57 16.6052608 +58 25 21.940435 5.71 5.20 4.35 3.70 3.26 G5III-IV 116 0
37 * 41 Gem V* 07 00 15.8233724160 +16 04 44.385187008 9.09 7.32 5.69 4.44 3.59 K3-Ib 100 0
38 * sig CMa LP* 07 01 43.1477846 -27 56 05.389774 7.08 5.20 3.47 2.15 1.15 K5Ib 171 0
39 * zet Gem cC* 07 04 06.5312384690 +20 34 13.074474962 5.20 4.58 3.79   3.082 G1Ib 550 0
40 * del CMa s*y 07 08 23.4840514 -26 23 35.518484 3.06 2.52 1.84 1.33 1.00 F8Ia 331 0
41 * 145 CMa * 07 16 36.8345570496 -23 18 56.138269860 8.37 6.50 4.79 3.47 2.51 K3Ib- 89 0
42 * pi. Pup LP* 07 17 08.55678 -37 05 50.8962 5.57 4.32 2.70 1.46 0.55 K4III 106 0
43 * sig Pup SB* 07 29 13.8304917 -43 18 05.159662 6.54 4.77 3.25 2.04 1.12 K5III 126 0
44 * ups Gem PM* 07 35 55.3500141720 +26 53 44.680194960 7.54 5.60 4.06 2.82 1.91 M0III 198 0
45 * 1 Pup V* 07 43 32.3866853568 -28 24 39.188693988 8.16 6.22 4.59 3.29 2.32 K5III 101 0
46 * kap Gem ** 07 44 26.8535692 +24 23 52.787227 5.19 4.49 3.57 2.86 2.41 G8III-IIIb 293 0
47 * bet Gem PM* 07 45 18.94987 +28 01 34.3160 3.00 2.14 1.14 0.39 -0.11 K0IIIb 1075 1
48 * ksi Pup * 07 49 17.6556658 -24 51 35.230469 5.72 4.56 3.30 2.43 1.88 G6Ib 186 0
49 * a Pup SB* 07 52 13.0318512432 -40 34 32.814235704   4.717 3.696     K1/2II+A 77 0
50 * omi UMa PM* 08 30 15.8701566400 +60 43 05.405606188 4.79 4.27 3.42 2.76 2.31 G5III: 239 1
51 * bet Pyx * 08 40 06.1436306 -35 18 30.065139   4.885 3.954     G5II/III 74 0
52 * del Cnc ** 08 44 41.0992106 +18 09 15.503395 6.01 5.02 3.94 3.16 2.62 K0+IIIb 196 0
53 * eps Hya Ro* 08 46 46.51223 +06 25 07.6855 4.43 4.06 3.38 2.78 2.39 G1III+A8V 254 0
54 * gam Pyx PM* 08 50 31.9228221 -27 42 35.442108 6.67 5.27 4.01 3.06 2.39 K2.5III 107 0
55 * zet Hya PM* 08 55 23.6261352 +05 56 44.035380 4.92 4.10 3.10 2.39 1.90 G8.5III 233 0
56 * lam Vel LP* 09 07 59.75787 -43 25 57.3273 5.67 3.86 2.21 0.97 0.03 K4Ib 206 0
57 * alf Hya * 09 27 35.24270 -08 39 30.9583 5.14 3.42 1.97 0.93 0.16 K3IIIa 419 0
58 * eps Leo V* 09 45 51.0733004 +23 46 27.320834 4.23 3.79 2.98 2.36 1.93 G1IIIa 330 0
59 * gam01 Leo PM* 10 19 58.354462 +19 50 29.35920 4.13 3.13 1.98 1.13 0.51 K1-IIIFe-1 278 1
60 * mu. UMa SB* 10 22 19.7397659 +41 29 58.269105 6.53 4.64 3.05 1.76 0.80 M0III 302 0
61 * 37 LMi * 10 38 43.2126896 +31 58 34.460669   5.494 4.677     G2.5IIIa 152 0
62 * nu. Hya PM* 10 49 37.4887449 -16 11 37.135989 5.62 4.35 3.11 2.17 1.53 K1.5IIIHdel-0.5 166 0
63 * 46 LMi PM* 10 53 18.7048735 +34 12 53.537492 5.79 4.87 3.83 3.00 2.46 K0+III-IV 230 0
64 * x Car cC* 11 08 35.3899998 -58 58 30.135741 6.07 5.09 3.83 2.86 2.27 G5_0-Ia 146 0
65 * psi UMa PM* 11 09 39.8086764 +44 29 54.552050 5.27 4.15 3.01 2.18 1.61 K1III 270 0
66 * 72 Leo LP* 11 15 12.2270876 +23 05 43.837288 8.14 6.29 4.63 3.07 1.76 M3IIb: 110 0
67 * del Crt PM* 11 19 20.4475617 -14 46 42.741307 5.66 4.67 3.56 2.73 2.13 G9IIICH0.5 161 0
68 * ksi Hya ** 11 33 00.1150559 -31 51 27.443449 5.17 4.47 3.54 2.84 2.36 G7IIIb 247 0
69 * chi UMa PM* 11 46 03.0140741 +47 46 45.862653 6.06 4.90 3.72 2.84 2.24 K0.5IIIb: 210 0
70 * bet Vir PM* 11 50 41.7185158616 +01 45 53.001539131 4.26 4.15 3.60 3.13 2.85 F9V 894 0
71 * gam Cru PM* 12 31 09.95961 -57 06 47.5684 5.01 3.23 1.64 -0.02 -1.44 M3.5III 267 0
72 * bet Crv PM* 12 34 23.2348393 -23 23 48.337453 4.17 3.52 2.64 2.03 1.59 G5IIBa0.3 246 0
73 * del Vir RG* 12 55 36.2086058 +03 23 50.893225 6.76 4.97 3.38 1.86 0.53 M3+III 265 0
74 * eps Vir PM* 13 02 10.5978496 +10 57 32.941443 4.45 3.71 2.79 2.16 1.71 G8III-IIIb 536 0
75 * bet Com PM* 13 11 52.3938268062 +27 52 41.462309460 4.92 4.84 4.25 3.77 3.47 F9.5V 871 0
76 * d Cen ** 13 31 02.6565951 -39 24 26.298992 6.08 5.04 3.88 3.04 2.45 G8II/III 75 0
77 * eta Boo SB* 13 54 41.07892 +18 23 51.7946 3.440 3.250 2.680 2.24 1.95 G0IV 682 1
78 * tet Cen PM* 14 06 40.94752 -36 22 11.8371 3.94 3.04 2.05 1.29 0.76 K0-IIIb 246 0
79 * 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 2227 0
80 * phi Vir PM* 14 28 12.1389021744 -02 13 40.649015856   5.522 4.840     G2IV 182 0
81 * eps Boo A * 14 44 59.223146 +27 04 27.14599   3.61 2.45     K0-II-III 116 0
82 * del Boo PM* 15 15 30.1629518 +33 18 53.392558 5.12 4.44 3.49 2.76 2.25 G8IIIFe-1 367 0
83 * alf Ser PM* 15 44 16.0743159 +06 25 32.263272 5.080 3.800 2.630 1.82 1.25 K2IIIbCN1 508 0
84 * bet Her SB* 16 30 13.1995466 +21 29 22.600778 4.39 3.70 2.77 2.13 1.65 G7IIIaFe-0.5 312 0
85 * zet Her SB* 16 41 17.16104 +31 36 09.7873 3.640 3.430 2.800 2.31 1.99 G0IV 533 0
86 * eps Sco PM* 16 50 09.8108127 -34 17 35.633735 4.61 3.45 2.29 1.43 0.83 K1III 208 0
87 * bet Ara * 17 25 17.9878053183 -55 31 47.574076000 5.87 4.31 2.85     K0/1Ib 120 0
88 * mu.01 Her ** 17 46 27.5472960785 +27 43 14.560978925 4.56 4.17 3.42 2.89 2.51 G5IV 675 0
89 * gam Aql * 19 46 15.5802908 +10 36 47.740788 5.93 4.23 2.72 1.65 0.87 K3II 430 0
90 * ksi Cyg SB* 21 04 55.8622910 +43 55 40.264460 7.17 5.39 3.73 2.55 1.63 K4.5Ib-II 302 0
91 * eps Peg LP* 21 44 11.1561394 +09 52 30.031152 5.61 3.91 2.39 1.34 0.58 K2Ib-II 438 0
92 * zet Cep EB* 22 10 51.2769159 +58 12 04.545587 6.62 4.90 3.35 2.27 1.49 K1.5Ib 270 0
93 * 56 Peg SB* 23 07 06.7390851 +25 28 05.732922 7.20 6.06 4.74 3.74 3.07 K0.5II:Ba1CN-2CH-0.5 257 0

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2022.07.06-18:20:37

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