2006AJ....132..902L

Query : 2006AJ....132..902L

2006AJ....132..902L - Astron. J., 132, 902-918 (2006/August-0)

The distribution of the elements in the galactic disk.

LUCK R.E., KOVTYUKH V.V. and ANDRIEVSKY S.M.

Abstract (from CDS):

This paper reports on the spectroscopic investigation of 54 Cepheids, deriving parameters and abundances. These Cepheids extend previous samples by about 35% in number and increase the amount of the Galactic disk coverage, especially in the direction of l~120°. We find that there exists in the Galactic disk at that longitude and at a solar distance of about 3-4 kpc a region that has enhanced abundances, <Fe/H]>~+0.2, with respect to the local region. A simple linear fit to all Cepheid data now extant yields a gradient d[Fe/H]/dRG=-0.068±0.003 dex.kpc–1. After consideration of the spatial abundance inhomogeneities in the sample, we conclude that the best current estimate of the overall gradient is d[Fe/H]/dRG=-0.06 dex.kpc–1.

Abstract Copyright: ∼

Journal keyword(s): Stars: Variables: Cepheids - Galaxy: Abundances - Galaxy: Evolution - Stars: Abundances

VizieR on-line data: <Available at CDS (J/AJ/132/902): stars.dat table6.dat>

Simbad objects: 61

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Number of rows : 61
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 V* FM Cas cC* 00 14 28.2414596520 +56 15 10.575377388   10.15 9.16   7.984 F7.5Ib 120 0
2 V* SY Cas cC* 00 15 09.8128866000 +58 25 27.442084836   10.69 9.92   8.789 F5 129 0
3 V* V379 Cas cC* 00 26 35.9584556448 +60 47 53.433364776   10.18 9.16     F6 54 0
4 Ass Cas OB 4 As* 00 27 +62.4           ~ 45 0
5 V* XY Cas cC* 00 49 53.2641351240 +60 07 38.579819124   11.00 9.97     G0Ib 117 0
6 Ass Cas OB 7 As* 00 50 14 +64 04.3           ~ 63 0
7 Ass Cas OB 1 As* 01 00 +61.5           ~ 42 0
8 V* RW Cas cC* 01 37 14.0194838112 +57 45 33.192977652   9.44 8.58   7.896 G2 157 0
9 V* SZ Cas cC* 02 27 13.7668799784 +59 27 38.174272524   11.5 9.60     G5III 172 0
10 V* AS Per cC* 04 19 46.8583465440 +48 57 11.777732496   10.94 9.71   8.103 F8 92 0
11 V* BM Per cC* 04 29 39.3890067672 +48 25 19.101057240   11.56 10.06     K5 71 0
12 V* SV Per cC* 04 49 47.9416107648 +42 17 22.981906464   9.74 8.86     F6-G1 152 0
13 V* AN Aur cC* 04 59 41.5376124792 +40 50 09.726015408   11.35 10.21     F6 103 0
14 V* BK Aur cC* 05 10 40.2293399040 +49 41 15.398520252   10.40 9.42     F8 89 0
15 V* YZ Aur cC* 05 15 21.9827588256 +40 04 40.880491572   11.77 10.24     G5 108 0
16 V* Y Aur cC* 05 28 39.2387746704 +42 26 15.844422120   10.53 9.74     F5 95 0
17 V* GQ Ori cC* 06 11 13.5830023776 +09 36 44.985287232   9.81 8.88   7.869 B 84 1
18 HD 42532 PM* 06 11 35.0788704768 +09 37 44.988694392   9.42 8.47     G0 19 1
19 V* V465 Mon cC* 07 08 09.3119173128 -00 03 56.570178492   11.07       G0 80 0
20 V* RZ CMa cC* 07 21 32.8571936928 -16 41 13.998801084   10.75 9.72   8.477 F6 98 0
21 V* V335 Pup cC* 07 56 57.7030564896 -22 49 31.572414660   9.58 9.18 9.16   F3II 57 0
22 V* RV Sco cC* 16 58 19.7480002088 -33 36 32.767208444 7.79 7.37 6.61   5.909 G0Ib 194 0
23 V* BF Oph cC* 17 06 05.4979834752 -26 34 50.029842576 8.00 7.61 6.93   6.377 G0II 217 0
24 NAME Galactic Center reg 17 45 39.60213 -29 00 22.0000           ~ 14407 0
25 V* RY Sco cC* 17 50 52.3447976064 -33 42 20.412288432 9.77 8.79 7.51   6.256 F6Ib 188 0
26 * 12 Sgr cC* 18 13 02.4957687048 -23 07 02.201380968 8.06 7.48 6.59   6.057 F7/8Ib/II 190 0
27 V* XX Sgr cC* 18 24 44.5009232352 -16 47 49.818126264   10.51 9.65 9.38   F7/8II 124 0
28 V* Z Sct cC* 18 42 57.2738818992 -05 49 15.250864188   10.89 9.60   8.077 G0-M0 129 0
29 V* SS Sct cC* 18 43 43.5111680040 -07 43 51.957172704   9.29 7.90   7.100 F8II 176 0
30 V* V350 Sgr cC* 18 45 17.4968424336 -20 38 50.552766852   8.321 7.450 8.41 6.421 F8Ib/II 217 0
31 V* BB Sgr cC* 18 50 59.8729954248 -20 17 42.829838520 8.07 7.53 6.69   5.824 G0Ib 255 0
32 V* V600 Aql cC* 19 21 02.3457719928 +08 30 58.805711244   11.45 10.09   8.204 F8v 101 0
33 V* V1154 Cyg cC* 19 48 15.4661680536 +43 07 36.960514968   9.92 9.14   8.120 G0 101 0
34 V* V733 Aql cC* 19 57 33.0223559472 +11 02 37.243005648   10.96 10.09     K0 75 0
35 V* V1359 Aql Ro* 20 03 39.9670074216 -03 22 38.841354624   10.25 9.060   7.548 G5 28 0
36 V* V402 Cyg cC* 20 09 07.7596272456 +37 09 07.088017032   10.9 9.87   8.674 G0III 100 0
37 V* MW Cyg cC* 20 12 22.8295152168 +32 52 17.841761616   10.71 9.45   7.882 F8.5-G2Ib 119 0
38 V* SZ Cyg cC* 20 32 54.2938782720 +46 36 04.584933612   10.80 9.37   7.770 F7.5/8-G6.5Ib 156 0
39 V* BZ Cyg cC* 20 45 59.7975767304 +45 18 25.049517228   11.8 10.2   8.331 F7Ib-G4Ib: 101 0
40 V* VX Cyg cC* 20 57 20.8299053760 +40 10 39.010237860   11.6 10.08   8.187 F5e-G2I-II 134 1
41 V* TX Cyg cC* 21 00 06.3809839512 +42 35 51.215534592   11.3 9.50   7.168 F5.5Ib-G5Ib: 154 0
42 V* VY Cyg cC* 21 04 16.6363625496 +39 58 20.106736608 11.74 10.66 9.56   8.090 F5.5-G0.5Ib 140 0
43 V* V386 Cyg cC* 21 14 40.4340798432 +41 42 58.846926780   11.12 9.75   7.750 F5.5-G0Ib 129 1
44 V* V532 Cyg cC* 21 20 32.9005205088 +45 28 03.019906632   10.08 9.11     F5 118 0
45 V* VZ Cyg cC* 21 51 41.4416202624 +43 08 02.542086024   10.02 8.60   7.948 G0 170 0
46 V* IR Cep cC* 21 57 51.9253905744 +61 01 07.906978452   8.68 7.86     G0 98 0
47 V* CP Cep cC* 21 57 52.6912593888 +56 09 50.041033668   12.29 10.58   8.788 F5Ib 111 0
48 V* V351 Cep cC* 22 33 41.3490623952 +57 19 05.900077740   10.39 9.50     F8Ib 53 0
49 V* RR Lac cC* 22 41 26.5260757056 +56 25 58.031784048   9.68 8.87   7.786 K0 174 0
50 V* CR Cep cC* 22 46 24.7705138656 +59 26 31.922840292   10.94 9.64   7.931 G0 97 0
51 V* V Lac cC* 22 48 37.9955013336 +56 19 17.542728372   9.72 8.89   7.883 G5 166 0
52 V* X Lac cC* 22 49 03.1807630560 +56 25 41.530963044   9.21 8.42     G5 171 0
53 V* SW Cas cC* 23 07 10.0825764168 +58 33 15.130371528   10.73 9.74   8.397 K0 122 0
54 V* CH Cas cC* 23 22 28.4389674024 +62 45 25.742896416   12.57 10.79     F3Ibp 79 0
55 V* CY Cas cC* 23 29 12.7620309960 +63 22 27.488547156   13.48 11.67   9.627 G1-2Ib 76 0
56 V* RY Cas cC* 23 52 07.0321954200 +58 44 30.208138620   11.32 9.95   8.411 F9Ib 120 0
57 V* DD Cas cC* 23 57 34.9602200184 +62 43 05.686391208   10.95 9.84   8.516 F7 127 0
58 V* CE Cas B cC* 23 58 09.1062438336 +61 12 49.078923084   12.27 11.20     F8Ib 45 0
59 V* CE Cas ** 23 58 09.313 +61 12 49.26     10.63     F9Ib+F8Ib 131 0
60 V* CE Cas A cC* 23 58 09.4463569272 +61 12 49.336242768   12.15 10.95     F9Ib 51 0
61 NAME Carina Region reg ~ ~           ~ 186 0

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