2003AJ....125.3185P

Query : 2003AJ....125.3185P

2003AJ....125.3185P - Astron. J., 125, 3185-3195 (2003/June-0)

Searching for planets in the Hyades. IV. Differential abundance analysis of Hyades dwarfs.

PAULSON D.B., SNEDEN C. and COCHRAN W.D.

Abstract (from CDS):

We present a differential abundance analysis of Hyades F-K dwarfs in search for evidence of stellar enrichment from accreted hydrogen-deficient disk material. Metallicities and relative abundance ratios of several species have been determined. We derive a cluster mean [Fe/H]=0.13±0.01. Two stars show abundances ∼0.2 dex larger than the cluster mean. In addition, one star, which was added by a recent study as a cluster member, shows significantly lower abundances than the cluster mean. These three stars have questionable membership characteristics. The remaining stars in the survey have an rms of 0.04 dex in the differential [Fe/H] values. The Hyades cluster members have apparently not been significantly chemically enriched. The abundance ratios of Si, Ti, Na, Mg, Ca, and Zn with respect to Fe are in their solar proportions.

Abstract Copyright: ∼

Journal keyword(s): Galaxy: Open Clusters and Associations: Individual: Name: Hyades - Stars: Abundances

Errata: erratum vol. 130, p. 2436 (2005)

Simbad objects: 56

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Number of rows : 56
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 HD 14127 PM* 02 17 19.7581162632 +05 21 38.671636068   9.07 8.51     F7/8V 34 0
2 BD+17 455 PM* 02 55 16.2854937648 +17 53 30.158515176   9.52 8.80     K0 28 0
3 V* BW Ari BY* 02 57 46.6725922800 +29 39 41.267627640 10.24 9.778   8.10   K0V 88 0
4 V* BZ Cet BY* 03 00 02.8119278075 +07 44 59.118374397 9.635 8.908 7.955 7.436 6.994 K2.5Vk 139 0
5 HD 19902 BY* 03 13 02.7935254752 +32 53 47.214708720   8.892   7.7   G5V 78 0
6 HD 20430 PM* 03 17 26.3862805584 +07 39 20.919521880   7.958 7.373 7.050 6.739 F8 134 0
7 HD 20439 PM* 03 17 32.7800971992 +07 41 24.556610724   8.376 7.747 7.402 7.085 ~ 139 1
8 BD+23 465 PM* 03 32 50.0788552872 +23 41 31.872801696   9.719   8.3   G5 93 0
9 BD+20 598 ** 03 37 34.9779179832 +21 20 35.451123144   10.282 9.362     K0V 84 1
10 HD 285252 PM* 03 55 06.5013825432 +16 59 54.520671696   9.870 8.964 8.472 8.049 K0 109 0
11 HD 285367 PM* 04 05 39.6749447280 +17 56 15.761428188   10.190 9.291     K0 81 0
12 HD 25825 PM* 04 06 16.1277225936 +15 41 53.233746900   8.416 7.811 7.484 7.169 G0V 196 0
13 HD 26015B PM* 04 07 41.8112738280 +15 09 43.298463132   9.36 8.70     ~ 29 0
14 HD 26257 PM* 04 09 09.0703529424 +00 10 44.301985788   8.17 7.63     G2V 50 0
15 HD 26756 PM* 04 14 25.6501896480 +14 37 30.115628868   9.125 8.419 8.039 7.682 G5V 207 0
16 V* V1309 Tau BY* 04 14 27.2546195976 +12 26 07.133100324   8.682 8.030 7.673 7.341 G0 169 0
17 HD 26736 BY* 04 14 32.3145372576 +23 34 29.798635044   8.711 8.047 7.691 7.356 G5V 219 0
18 HD 26784 PM* 04 14 34.3409896608 +10 42 04.993916796   7.606 7.080 6.791 6.511 F8V 195 0
19 V* V984 Tau BY* 04 16 33.4775734800 +21 54 26.882025156   9.944 9.125     ~ 174 0
20 HD 285690 BY* 04 18 19.2717491592 +16 05 17.992962636   10.532 9.548 9.015 8.557 K0 149 0
21 V* V893 Tau BY* 04 18 57.9745736544 +19 54 24.124484232   9.345 8.597 8.192 7.829 G9V 150 0
22 HD 27282 PM* 04 19 08.0079247152 +17 31 29.115479280 9.46 9.157 8.427 8.034 7.675 G8V 191 0
23 HD 27406 BY* 04 20 12.9666179232 +19 14 00.518450172   8.016 7.444 7.131 6.826 F9V+ 196 0
24 HD 27732 SB* 04 23 22.3298880648 +21 22 44.752609020   9.628 8.846     ~ 148 0
25 HD 27771 PM* 04 23 32.3332833360 +14 40 13.721568600   9.963 9.097 8.631 8.222 G5 181 0
26 HD 27835 PM* 04 24 12.7838536080 +16 22 44.148778356   8.808 8.203 7.870 7.560 G0V 119 0
27 HD 27808 PM* 04 24 14.5737054432 +21 44 10.483946556   7.646 7.125 6.830 6.550 F8V 203 0
28 HD 27859 BY* 04 24 28.3269703416 +16 53 10.202918748   8.382 7.790     G2V 224 0
29 HD 28099 BY* 04 26 40.1217122952 +16 44 48.885808416 8.98 8.78 8.12 7.56 7.23 G2+V 419 0
30 V* V993 Tau BY* 04 27 35.8912011816 +15 35 21.090336828   7.949 7.404 7.102 6.805 ~ 235 0
31 HD 28237 PM* 04 27 46.0745928288 +11 44 11.108386212   8.066 7.482     F8 156 0
32 HD 285830 PM* 04 27 47.0352816264 +14 25 03.899709120   10.402 9.475 8.966 8.526 K0 132 0
33 HD 28258 PM* 04 28 04.4335121136 +13 52 04.578923028   9.860 9.032 9.03   G5V 136 0
34 HD 28344 BY* 04 28 48.2984108040 +17 17 07.685984400 8.57 8.456 7.837 7.498 7.180 G2V 282 0
35 HD 283704 PM* 04 29 30.7656855048 +26 40 17.572841688 12.79 9.985 9.182     G5 120 0
36 HD 285773 BY* 04 29 31.6063777896 +17 53 35.460179628 10.28 9.761 8.934 8.486 8.093 K0V 201 0
37 Cl Melotte 25 OpC 04 29 47.3 +16 56 53           ~ 3074 0
38 HD 28462 PM* 04 29 57.7279752624 +16 40 22.226116800   10.051 9.069 9.12   K1V 152 0
39 HD 28593 PM* 04 31 15.6941460480 +20 07 59.409279192   9.327 8.572 8.169 7.801 G8V 136 0
40 HD 28635 SB* 04 31 29.3493834048 +13 54 12.334345092   8.300 7.746 7.445 7.147 F9V 149 0
41 V* V997 Tau BY* 04 32 59.4512605248 +15 49 08.284758672   9.396 8.641 8.235 7.867 ~ 166 0
42 HD 28878 PM* 04 33 37.9670187024 +16 45 44.998350336   10.254 9.357 8.874 8.456 G5 118 0
43 HD 28977 PM* 04 34 32.1824860800 +15 49 39.204565644   10.565 9.644 9.139 8.702 K0 115 0
44 HD 28992 BY* 04 34 35.3100676992 +15 30 16.642906992   8.530 7.898 7.556 7.226 ~ 209 0
45 HD 29159 PM* 04 36 05.2673529024 +15 41 02.415425424   10.212 9.345 8.878 8.459 K0 122 0
46 HD 29419 PM* 04 38 51.2919739632 +23 08 59.904203964   8.103 7.501     G5V 137 0
47 HD 284574 PM* 04 40 05.8433176920 +23 18 16.365681612   10.211 9.402     K0 97 0
48 HD 30505 ** 04 49 03.5216214624 +18 38 28.489787988   9.789 8.947 8.492 8.089 K1V 108 0
49 HD 30589 PM* 04 49 32.1249486336 +15 53 19.474899432   8.324 7.739 7.412 7.111 F8 135 0
50 HD 30809 PM* 04 51 23.2149431232 +15 26 00.473427888   8.418 7.886 7.591 7.302 F8 100 0
51 HD 31609 PM* 04 57 49.5055851600 +14 00 07.882093152   9.622 8.892     G5 110 0
52 BD+04 810 PM* 05 00 48.8864723520 +04 43 59.202316740   10.67 9.74     K2 52 0
53 HD 32347 PM* 05 03 07.6577118384 +13 43 50.412591984   9.372 8.596 8.182 7.810 K0 118 0
54 HD 240648 PM* 05 06 17.9892041544 +17 48 59.098915368   9.552 8.818     K0 75 0
55 HD 242780 PM* 05 20 25.4232349512 +11 36 35.344499076   9.74 8.97     K0 60 0
56 HD 35768 PM* 05 28 35.1654024120 +32 51 57.639398652   9.03 8.48     F8 32 0

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