2024MNRAS.527..828S

Query : 2024MNRAS.527..828S

2024MNRAS.527..828S - Mon. Not. R. Astron. Soc., 527, 828-845 (2024/January-1)

RRLFE: software for generating and applying metallicity calibrations for RR Lyrae variable stars across a wide range of phases and temperatures.

SPALDING E., WILHELM R., DE LEE N., LONG S., BEERS T.C., PLACCO V.M., KIELKOPF J., LEE Y.S., PEPPER J. and CARRELL K.

Abstract (from CDS):

RR Lyrae stars play a central role in tracing phase-space structures within the Milky Way because they are easy to identify, are relatively luminous, and are found in large numbers in the Galactic bulge, disc, and halo. In this work, we present a new set of spectroscopic metallicity calibrations that use the equivalent widths of the Ca II K and Balmer H γ and H δ lines to calculate metallicity values from low-resolution spectra. This builds on an earlier calibration from Layden by extending the range of equivalent widths which map between Ca II K and the Balmer lines. We have developed the software RRLFE to apply this calibration to spectra in a consistent, reproducible, and extensible manner. This software is open-source and available to the community. The calibration can be updated with additional data sets in the future.

Abstract Copyright: © The Author(s) 2023. Published by Oxford University Press on behalf of Royal Astronomical Society.

Journal keyword(s): techniques: spectroscopic - software: public release - stars: variables: RR Lyrae - Galaxy: halo

Errata: erratum vol. 534, p. 384 (2024)

Simbad objects: 25

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Number of rows : 25
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* RU Psc RR* 01 14 26.0371799376 +24 24 56.367501264   10.34 10.15     kA6hF3 90 0
2 V* RR Cet RR* 01 32 08.1731409309 +01 20 30.230098757 9.46 9.33 9.15     A9V 237 0
3 V* RW Ari RR* 02 16 03.7155410688 +17 31 58.896117156   12.47 12.51     ~ 56 0
4 V* X Ari RR* 03 08 30.8846437148 +10 26 45.218712967 9.45 9.25 8.97     F0.5 305 0
5 V* SV Eri RR* 03 11 52.1074067400 -11 21 14.067448524   10.34 9.96     A1III 141 0
6 V* AR Per RR* 04 17 17.1976834800 +47 24 00.635621400 10.72 10.37 9.94     kF2hF7.5 182 0
7 V* V535 Mon RR* 07 10 48.8330800776 +01 16 56.044980984   11.93 11.93     A 21 0
8 V* TV Lyn RR* 07 33 31.7359153392 +47 48 09.831304008   11.73 11.54     kA3/4hA7/8 62 0
9 V* TW Lyn RR* 07 45 06.3012265872 +43 06 41.577305436   12.52 11.69     kA6hF6 85 0
10 V* UY Cam RR* 07 58 58.8825061632 +72 47 15.402887412   11.74 11.53 11.648 11.466 A3-A6III 83 1
11 V* TT Lyn RR* 09 03 07.7864688408 +44 35 08.119623336 9.87 9.75 9.51     kA3.5hF3.5 172 0
12 V* T Sex RR* 09 53 28.3999961376 +02 03 26.346205512 10.22 10.04 9.82     A1V 172 0
13 V* RR Leo RR* 10 07 43.4605279536 +23 59 30.318828648 10.14 10.01 9.94     kA1.5hA9.5 198 0
14 V* TU UMa RR* 11 29 48.4893885624 +30 04 02.379416844 9.56 9.41 9.26     kA2hA9.5 246 0
15 V* U Com RR* 12 40 03.1943214144 +27 29 56.132925648   11.92 11.76     kA5hF0 104 1
16 V* V445 Oph RR* 16 24 41.2156082791 -06 32 29.928559328   11.59 11.30     kF7.5hF6 136 0
17 V* VX Her RR* 16 30 40.8027020619 +18 22 00.573057888   10.74 11.31     kA6.5hF2.5 172 0
18 NAME Galactic Center reg 17 45 39.60213 -29 00 22.0000           ~ 16269 0
19 V* RR Lyr RR* 19 25 27.9129605304 +42 47 03.693258204   7.36   7.6   kA3hF0 951 0
20 V* YZ Cap RR* 21 19 32.4130551766 -15 07 01.141410260   11.48 11.09     F5 108 0
21 V* AV Peg RR* 21 52 02.7945264655 +22 34 29.376851146 10.26 10.07 9.87     kF5.5hF6.5 185 0
22 V* DH Peg RR* 22 15 25.6397704896 +06 49 21.439610112 9.72 9.51 9.25 9.23   kA4hF0.5 196 0
23 V* BH Peg RR* 22 53 01.0369924800 +15 47 16.609582176   10.88 10.36     kA9.5hF6.5 133 0
24 NAME Galactic Bulge reg ~ ~           ~ 4794 0
25 NAME Local Group GrG ~ ~           ~ 9325 0

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