2004ApJ...601..485F

Query : 2004ApJ...601..485F

2004ApJ...601..485F - Astrophys. J., 601, 485-499 (2004/January-3)

Synthetic Lick indices and detection of α-enhanced stars.

FRANCHINI M., MOROSSI C., DI MARCANTONIO P., MALAGNINI M.L., CHAVEZ M. and RODRIGUEZ-MERINO L.

Abstract (from CDS):

Synthetic Lick indices computed with solar scaled abundances and with α-element enhancement are presented and compared with predictions from both theoretical computations (Tripicco & Bell; Thomas, Maraston, & Bender; Barbuy et al.) and empirical fitting functions (de Freitas Pacheco). We propose selected combinations of indices capable of singling out α-enhanced stars without requiring previous knowledge of their main atmospheric parameters. By applying this approach to the 460 stars in the Worthey et al. catalog, we detected a list of 82 candidate α-enhanced stars. The confirmation of α-enhancement was obtained by searching the literature for individual element abundance determinations from high-resolution spectroscopy for a subsample of 34 stars. Preliminary discussion of the properties of the detected α-enhanced stars with respect to their [Fe/H] values and kinematics is presented.

Abstract Copyright: ∼

Journal keyword(s): Galaxy: Stellar Content - Stars: Abundances - Stars: Late-Type

VizieR on-line data: <Available at CDS (J/ApJ/601/485): table1a.dat table1b.dat table1c.dat table1d.dat table2.dat>

Simbad objects: 85

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Number of rows : 85
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 HD 1326B PM* 00 18 25.8251408611 +44 01 38.092431857   12.84 11.04 10.3   M3.5V 317 0
2 NGC 188 2093 * 00 48 19.5301879992 +85 18 41.126132808 16.167 15.75 14.94 14.509 14.083 ~ 22 0
3 * del Psc PM* 00 48 40.9443145328 +07 35 06.294902124 7.83 5.95 4.44 3.27 2.40 K5-III 196 0
4 * ups02 Cas Pe* 00 56 39.9051464088 +59 10 51.805287084   5.581 4.622     G8.5IIIbFe-0.5 233 0
5 * tau Cet PM* 01 44 04.0831371922 -15 56 14.927607677 4.43 4.22 3.50 2.88 2.41 G8V 1354 1
6 V* Z Eri AB* 02 47 55.9221088152 -12 27 38.321064756 9.83 8.46 6.90     M5III 120 0
7 * 17 Per PM* 02 51 30.8373459264 +35 03 35.062935948 8.02 6.10 4.53 3.32 2.37 K5.5III 134 0
8 TYC 48-490-1 PM* 02 54 16.3146515496 +00 19 16.910734980   12.79 11.77   10.63 G5 13 0
9 * rho02 Ari LP* 02 55 48.4979998 +18 19 53.902936 8.56 7.44 5.93 3.51 1.34 M6-III: 232 0
10 HD 19445 Pe* 03 08 25.5883873084 +26 19 51.400965175 8.29 8.52 8.06 7.60 7.27 G2VFe-3 801 0
11 HD 23439A SB* 03 47 02.1135215373 +41 25 38.103867665   8.89 8.12 7.7   K2:V_Fe-1.3 255 0
12 HD 23439B SB* 03 47 02.6340881059 +41 25 42.236762164   11.72 10.96 8.2   K3Vp_Fe-1.0 120 1
13 HD 24451 PM* 04 01 19.6243801109 +76 09 33.743453743   9.39   7.5   K4 99 0
14 * 46 Tau ** 04 13 33.0904461000 +07 42 58.017467664 5.65 5.65 5.29 4.94 4.75 F2V 172 0
15 * omi02 Eri PM* 04 15 16.3196189945 -07 39 10.330779018 5.69 5.25 4.43 3.74 3.29 K0V 879 0
16 HD 232979 PM* 04 37 40.9304170763 +52 53 37.012960438   10.006 8.648 8.750   M0.5V 205 0
17 * c Tau BS? 04 38 09.4618938672 +12 30 39.013056648 4.52 4.39 4.27 4.13 4.08 A6V 207 0
18 * 16 Aur SB* 05 18 10.5757087896 +33 22 17.767496392       3.8   K2.5IIIbCN-0.5 150 0
19 HD 36003 PM* 05 28 26.0955363191 -03 29 58.398928866 9.864 8.777 7.642 6.968 6.401 K5V 228 0
20 HD 36162 * 05 30 26.1637591560 +15 21 37.609774992   6.035 5.934     A3Vn 50 0
21 HD 41636 * 06 08 23.1360955056 +41 03 20.621443824   7.386 6.339     G9III 83 0
22 HD 43318 PM* 06 15 34.2651318984 -00 30 43.880774652   6.15 5.65     F5V 196 0
23 * psi04 Aur PM* 06 43 04.9720763016 +44 31 28.018081668 8.33 6.50 5.02     K5III 108 0
24 * psi05 Aur PM* 06 46 44.3369350032 +43 34 38.728429752       4.9   F9V 283 0
25 * tet CMa PM* 06 54 11.3988612864 -12 02 19.061163780 7.20 5.51 4.08 2.95 2.17 K3/4III 233 0
26 * 62 Aur PM* 06 59 02.8473250152 +38 03 08.346327696   7.245 6.021     K2III 90 0
27 * gam CMi SB* 07 28 09.7942869528 +08 55 31.888128216 7.26 5.73 4.30 3.19 2.40 K3-IIIFe-0.5 112 0
28 * ups Gem PM* 07 35 55.3500141720 +26 53 44.680194960 7.54 5.60 4.06 2.82 1.91 M0III 212 0
29 * g Gem SB* 07 46 07.4484186384 +18 30 35.993172960 8.09 6.33 4.87 3.72 2.89 K4III 183 0
30 * G CMi PM* 08 02 15.9369212008 +02 20 04.458846354 6.91 5.63 4.38 3.39 2.72 K2IIIbFe-0.5: 206 1
31 * bet Cnc PM* 08 16 30.9209888482 +09 11 07.958245527 6.750 5.000 3.520 2.42 1.62 K4IIIBa0.5: 383 0
32 * 31 Lyn LP* 08 22 50.1094369374 +43 11 17.270175202 7.71 5.80 4.25 3.05 2.17 K4+III 169 0
33 HD 74377 PM* 08 45 10.3964048108 +41 40 18.605049150   9.48 8.55 8.0   K3V 102 0
34 NGC 2682 119 RS* 08 51 19.0167198768 +11 50 05.755781940 13.197 13.13 12.547 12.177 11.837 F9IV 88 0
35 NGC 2682 125 * 08 51 20.1572791392 +11 52 48.018858132 14.533 14.44 13.913   13.179 ~ 51 0
36 * tet UMa PM* 09 32 51.4309337983 +51 40 38.333310508 3.67 3.64 3.18 2.74 2.47 F7V 434 0
37 * 56 Leo LP? 10 56 01.4682688998 +06 11 07.341317877 8.45 7.24 5.78 3.53 1.44 M5.5III: 179 0
38 * ksi UMa B SB* 11 18 10.8360115405 +31 31 44.821690914   5.41 4.77 4.4   G2V 345 1
39 * ksi UMa A SB* 11 18 10.901164 +31 31 44.97910   4.79 4.25     F8.5:V 320 1
40 HD 103095 Pe* 11 52 58.7673387755 +37 43 07.254113125 7.38 7.20 6.45 5.80 5.35 K1V_Fe-1.5 842 1
41 HD 106516 SB* 12 15 10.55731 -10 18 44.6354 6.44 6.57 6.11     F9VFe-1.7CH-0.7 443 0
42 HD 108549 Em* 12 28 08.2984053936 +11 41 46.901948100   11.04 10.41     G5 9 0
43 V* RT Vir AB* 13 02 37.9814644272 +05 11 08.362884984 10.07 9.07 7.41     M8III 336 0
44 HD 114762 SB* 13 12 19.7410686234 +17 31 01.630334317 7.78         F9VgF8mF4+M6?V 570 1
45 V* SW Vir AB* 13 14 04.3830437280 -02 48 25.130666916 9.24 8.52 6.85     M7III: 274 0
46 2MASS J13414576+2824597 AB* 13 41 45.7668971856 +28 24 59.665303044   14.18 12.81     ~ 70 0
47 M 3 GlC 13 42 11.62 +28 22 38.2     6.39     ~ 2593 0
48 * tau Boo PM* 13 47 15.7381720026 +17 27 24.809555600 5.02 4.98 4.49 4.09 3.85 F7IV-V 1049 1
49 * 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
50 V* RX Boo AB* 14 24 11.6253191184 +25 42 13.394221596   9.23 8.60     M7.5-M8 457 0
51 HD 132142 PM* 14 55 11.0437420721 +53 40 49.246687828 8.95 8.59 7.80 7.13 6.69 K1V 260 0
52 HD 134439 PM* 15 10 13.0873110544 -16 22 45.877317625 10.03 9.837 9.066 8.604 8.160 sd:K1Fe-1 341 0
53 NGC 5904 280 RG* 15 18 18.6760872648 +02 04 32.897627544   13.9600 12.4200   10.9538 ~ 63 0
54 NGC 5904 375 HB* 15 18 25.9357729272 +02 06 39.017005164   15.16 15.06     ~ 15 0
55 * tau01 Ser * 15 25 47.3973646296 +15 25 40.930863888 8.78 6.83 5.17     M1III 90 0
56 HD 147379 PM* 16 16 42.7463475871 +67 14 19.831647336   10.01   8.730   M1-Ve 262 0
57 HD 147379B BY* 16 16 45.3144811630 +67 15 22.481125328   12.20   10.310   M3.0V 173 0
58 * 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
59 * h Her PM* 16 32 36.2919789280 +11 29 16.948144457 8.16 6.34 4.85 3.65 2.79 K4.5III 164 0
60 HD 151203 PM* 16 45 22.5176417760 +15 44 43.011801924   7.232 5.619     M3IIIab 64 0
61 NGC 6341 1013 HB* 17 17 30.3040114272 +43 10 00.032031084   15.18 14.65     F8V 17 0
62 HD 160693 PM* 17 39 36.8721883235 +37 11 01.504256846 8.94 8.92   8.0   G0 224 0
63 * zet Ser PM* 18 00 29.0100539320 -03 41 24.977568563   4.982 4.616     F2V 203 0
64 * 104 Her V* 18 11 54.1566238248 +31 24 19.256317416 8.56 6.62 4.97     M3III 127 0
65 * 106 Her PM* 18 20 17.9149366104 +21 57 40.667073804 8.54 6.54 4.96 3.62 2.62 M1III 103 0
66 * 13 Lyr LP* 18 55 20.1023376286 +43 56 45.922489780 7.00 5.59 4.00 1.95 0.04 M4.5III 324 1
67 HD 180928 PM* 19 19 00.0959552544 -15 32 11.647331124 9.06 7.49 6.06 4.94 4.11 K4III 101 0
68 NGC 6838 1071 RG* 19 53 43.7320780584 +18 47 33.685161000   13.95 12.76   11.51 ~ 36 0
69 Cl* NGC 6838 ZDA 6 * 19 53 44.0 +18 42 48   15.43 14.78     ~ 8 0
70 Cl* NGC 6838 KC 263 RG* 19 53 44.68464 +18 47 07.2852   16.20 15.05     ~ 20 0
71 Cl* NGC 6838 ZDA 18 RG* 19 53 53.2569747960 +18 46 47.152843176   13.89 12.20     ~ 68 0
72 * eta Cep PM* 20 45 17.3751675120 +61 50 19.614231888 4.960 4.320 3.410 2.76 2.27 K0IV 461 0
73 HD 200779 PM* 21 05 19.7460464579 +07 04 09.472937911 10.723 9.518 8.272 7.519 6.909 K6V 164 0
74 HD 204587 PM* 21 30 02.7560054580 -12 30 36.245166319 11.59 10.36 9.075 8.28 7.586 K7Vk: 132 0
75 V* EP Aqr AB* 21 46 31.8494911920 -02 12 45.928582560   7.93 6.78     M7-III: 252 0
76 HD 211038 PM* 22 14 38.2200242135 -15 49 06.713963189   7.44 6.54     G9.5IV-V 107 0
77 * 55 Peg V* 23 07 00.2607332832 +09 24 34.173822996 8.020 6.080 4.520 3.25 2.23 M1IIIab 148 0
78 HD 219134 PM* 23 13 16.9749603608 +57 10 06.083823619 7.460 6.560 5.570 4.76 4.23 K3V 677 1
79 * 8 And V* 23 17 44.6472657024 +49 00 55.082930904 8.50 6.53 4.86 3.40 2.14 M2.5IIIBa0.5 118 0
80 BD+19 5116 ** 23 31 52.17898 +19 56 14.1505 12.737 11.749 10.165 8.982 7.446 M3.5V 469 0
81 BD+19 5116B PM* 23 31 52.5753377942 +19 56 14.005026315   14.8   12.165   M4.0Ve 222 0
82 Ross 248 BY* 23 41 55.0363002516 +44 10 38.818911116   14.19   11.1   M5.0V 361 0
83 NGC 7789 415 SB* 23 57 03.2501165215 +56 45 57.912486452   12.55 10.6648   8.481 M1.0III 44 0
84 NGC 7789 971 RG* 23 57 51.5681710632 +56 38 56.654717784   12.94 11.0453   8.648 M3III 38 0
85 Cl* NGC 5272 S 23028 * ~ ~           ~ 5 0

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