2021MNRAS.503.4719G

Query : 2021MNRAS.503.4719G

2021MNRAS.503.4719G - Mon. Not. R. Astron. Soc., 503, 4719-4733 (2021/June-1)

Metallicities from high-resolution spectra of 49 RR Lyrae variables.

GILLIGAN C.K., CHABOYER B., MARENGO M., MULLEN J.P., BONO G., BRAGA V.F., CRESTANI J., DALL'ORA M., FIORENTINO G., MONELLI M., NEELEY J.R., FABRIZIO M., MARTINEZ-VAZQUEZ C.E., THEVENIN F. and SNEDEN C.

Abstract (from CDS):

Accurate metallicities of RR Lyrae are extremely important in constraining period-luminosity-metallicity (PLZ) relationships, particularly in the near-infrared. We analyse 69 high-resolution spectra of Galactic RR Lyrae stars from the Southern African Large Telescope. We measure metallicities of 58 of these RR Lyrae stars with typical uncertainties of 0.15 dex. All but one RR Lyrae in this sample has accurate (σϖ≲10 per cent) parallax from Gaia. Combining these new high-resolution spectroscopic abundances with similar determinations from the literature for 93 stars, we present new PLZ relationships in WISE W1 and W2 magnitudes, and the Wesenheit magnitudes W(W1, V - W1) and W(W2, V - W2).

Abstract Copyright: © 2021 The Author(s) Published by Oxford University Press on behalf of Royal Astronomical Society

Journal keyword(s): stars: abundances - stars: variables: RR Lyrae

Simbad objects: 68

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Number of rows : 68
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 V* UU Cet RR* 00 04 05.1245594784 -16 59 51.543635100   10.50 14.18     kA4.5hF4 118 0
2 V* AE Tuc RR* 00 50 00.6171131904 -62 38 07.527095052   12.723 12.304     ~ 41 0
3 V* W Tuc RR* 00 58 09.7045404187 -63 23 44.369640880   11.81 11.60     kA2hA5 135 0
4 V* RU Cet RR* 01 00 40.3033586784 -15 57 27.611709156   12.02 11.90     kA3p 78 0
5 V* AE Scl RR* 01 07 25.8328968288 -32 18 35.164338444   12.86 12.44     sd?F0 45 1
6 V* VW Scl RR* 01 18 14.9704469616 -39 12 44.842757832   11.14 11.01     ~ 61 0
7 V* AM Tuc RR* 01 18 30.6495170496 -67 55 04.962278568   12.00 11.54     kA5hA8 60 1
8 V* VX Scl RR* 01 35 23.6616795216 -35 07 42.603497976   12.22 12.01     A2 57 0
9 V* SV Scl RR* 01 44 59.6627557363 -30 03 33.385938833   11.6 11.6     kA2 77 0
10 V* XZ Cet RR* 02 00 16.6337784768 -16 20 46.035996360   9.81 9.49 9.34 9.241 A1w 83 0
11 V* SS For RR* 02 07 51.9781810872 -26 51 57.716828856   10.45 10.20     kF5hF8 119 0
12 V* RV Cet RR* 02 15 14.9042875944 -10 48 00.718115472   11.30 10.85     kA0hF0 107 0
13 V* RZ Cet RR* 02 28 32.4383325288 -08 21 30.111811236   11.74 11.53     kF0.5hF2.3 109 0
14 V* CS Eri RR* 02 37 05.7588329711 -42 57 48.035460221   9.25 9.03     A2/3(IIw) 94 0
15 V* BY Eri RR* 02 51 34.1498072088 -47 48 04.443973740   12.39 12.29     kA3hA7 28 0
16 V* SW For RR* 03 01 08.7033331488 -38 07 43.242886380   12.42 12.30     kA3hF0 56 0
17 V* RX For RR* 03 11 13.2184720032 -26 28 58.688531040   12.08 11.95     kA9hF6 54 0
18 V* SV Eri RR* 03 11 52.1074067400 -11 21 14.067448524   10.34 9.96     A1III 141 0
19 V* UU Hor RR* 03 18 25.3877954808 -49 36 01.699400088     12.50     ~ 29 0
20 V* X Ret RR* 03 25 20.0924162976 -65 03 18.610091388   11.79 12.0     kA5hA9 47 0
21 V* SX For RR* 03 30 22.3499972497 -36 03 13.503234127   11.313 10.975     kA1hF5 83 0
22 V* SS Tau RR* 03 36 41.8663202256 +05 21 41.248476972   12.25 12.81     F5 64 0
23 NAME Ret GlC 04 36 10.15 -58 51 34.8   14.00 14.25 13.50   ~ 177 1
24 V* RX Eri RR* 04 49 44.2915145832 -15 44 28.242958128 9.64 9.43 9.22     kA8.5hF6.5 196 0
25 V* U Pic RR* 04 50 06.6283597344 -50 39 25.235779680   11.70 11.17     kA3hA5 83 0
26 CD-38 1780 RR* 04 53 14.4111477168 -37 49 15.924408168 13.00 12.17 12.44     A 43 0
27 V* BB Eri RR* 04 53 37.5174884400 -19 26 01.062131496   11.98 11.74     kA0hF0.5 91 0
28 V* U Lep RR* 04 56 17.9852660208 -21 13 02.024591448   10.76 10.64     A8/F2(I) 125 0
29 V* SU Col RR* 05 07 47.0431810032 -33 51 54.478724940           A2 37 0
30 V* RY Col RR* 05 15 07.7818581648 -41 37 41.674798776   10.59 10.45     A7 98 0
31 V* CM Ori RR* 06 03 54.8797279200 +08 14 32.247986244           ~ 38 0
32 V* VW Dor RR* 06 07 45.7163792160 -66 58 38.869098636   12.43 11.79     A5III 64 0
33 V* AA CMi RR* 07 17 19.1688267648 +01 43 40.045234872   11.61 11.64     kF8hF7 63 0
34 V* HH Pup RR* 07 20 35.5562195569 -46 42 30.091727783   11.52 11.31 11.49   A3II/III 94 0
35 V* HK Pup RR* 07 44 46.8028630608 -13 05 56.312626632   11.70 11.41     ~ 58 0
36 V* AL CMi RR* 07 48 57.0591701304 +05 38 11.213564172   11.88 11.72     F6II-IIIFe-0.8 54 0
37 V* V701 Pup RR* 08 19 32.8526089128 -23 58 09.837506028   10.70 10.48     ~ 21 0
38 V* BB Pup RR* 08 24 22.6433041464 -19 32 31.408283544           kA5:hF2 92 0
39 V* GO Hya RR* 08 54 53.4980652192 +06 26 12.764213916     12.58     ~ 41 0
40 V* SZ Hya RR* 09 13 48.8071464504 -09 19 08.753215872   11.64 11.46 11.29   kA1hA7 99 0
41 V* T Sex RR* 09 53 28.3999961376 +02 03 26.346205512 10.22 10.04 9.82     A1V 172 0
42 V* WZ Hya RR* 10 13 24.1278993288 -13 08 17.397051972   10.47 10.27     kA8.5hF6 97 0
43 V* WY Ant RR* 10 16 04.9461830443 -29 43 42.417855880   11.03 10.78     kA2hA6 141 0
44 V* FS Vel RR* 10 46 00.3068599824 -43 59 17.066016744   12.48 12.04     kA2hA5 40 0
45 V* AF Vel RR* 10 53 02.4880101696 -49 54 22.748719968   11.00 10.69     kA2hF0 81 0
46 V* W Crt RR* 11 26 29.6452105074 -17 54 51.700992767   12.07 11.70     kF0.5hF6 130 0
47 V* BI Cen RR* 11 45 54.6200011728 -59 22 40.445816880   12.10 11.74   11.417 kF2hF3 61 0
48 V* X Crt RR* 11 48 56.2214628480 -10 26 28.519205856   9.99 11.62     kA7hF6 92 0
49 V* AT Vir RR* 12 55 10.5415463136 -05 27 32.320345392   11.63 11.62     hF5.5 115 0
50 V* AM Vir RR* 13 23 33.3252267552 -16 39 57.886772400   11.99 12.18     ~ 72 0
51 V* AU Vir RR* 13 24 48.0042145368 -06 58 45.488841564   11.51 11.12     kA0hA7 75 0
52 V* V499 Cen RR* 13 55 14.7680994672 -43 14 24.800295408   11.43 11.15     kA7hF6/7 90 0
53 V* V674 Cen RR* 14 03 24.0743999328 -36 24 20.176519932   11.55 11.53     ~ 31 0
54 V* ST Vir RR* 14 27 39.0736479909 -00 54 05.800734111     11.97     kA0hA8.5 107 0
55 V* TY Aps RR* 14 48 50.0092910856 -71 19 41.895022044   12.03 11.65     kA5hF0 74 0
56 V* VY Ser RR* 15 31 01.9269312402 +01 41 01.762136979 10.07 9.97 9.73     A5/7Ib/II 195 0
57 V* CG Lib RR* 15 35 16.8029602272 -24 20 12.496214760   11.79 11.51     kA2hA5 49 0
58 M 4 GlC 16 23 35.22 -26 31 32.7           ~ 1978 0
59 V* RW TrA RR* 17 00 46.6887966960 -66 39 49.950083772   11.96 11.95     kF0hF5 71 0
60 V* EX Aps RR* 17 51 45.0032471328 -69 20 04.955635392           ~ 29 0
61 V* WY Pav RR* 17 56 12.3623256744 -57 09 43.423375320   12.54 13.07     ~ 46 0
62 V* MS Ara RR* 18 03 04.2887091600 -52 43 20.583643332   12.42 12.23     ~ 50 0
63 V* V592 CrA RR* 18 26 20.8216052712 -44 59 50.195480172   12.19 12.19     ~ 22 0
64 V* V413 CrA RR* 18 47 57.6196241592 -37 44 22.531389180   11.00 10.6     kA7hF1 75 0
65 V* AA Aql RR* 20 38 15.0763128288 -02 53 25.015561872   11.96 12.14     kF3hF5 110 0
66 V* RV Cap RR* 21 01 28.8700813584 -15 13 46.090360344   11.11 10.97     kA1.5hA6.5 111 0
67 V* Z Mic RR* 21 16 22.7047906743 -30 17 03.065542503   11.58 11.37     kF3hF8 83 0
68 V* SX Aqr RR* 21 36 08.4465243384 +03 13 50.020097880   12.19 11.83     kA7hF6 96 0

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