2012AJ....144..114S

Query : 2012AJ....144..114S

2012AJ....144..114S - Astron. J., 144, 114 (2012/October-0)

Template RR Lyrae Hα, Hβ, and Hγ velocity curves.

SESAR B.

Abstract (from CDS):

We present template radial velocity curves of ab-type RR Lyrae stars constructed from high-precision measurements of Hα, Hβ, and Hγ lines. Amplitude correlations between the Balmer line velocity curves, Johnson V band, and Sloan Digital Sky Survey (SDSS) g- and r-band light curves are also derived. Compared to previous methods, these templates and derived correlations reduce the uncertainty in measured systemic (center-of-mass) velocities of RR Lyrae stars by up to 15 km/s, and will be of particular interest to wide-area spectroscopic surveys such as the SDSS and LAMOST Experiment for Galactic Understanding and Exploration.

Abstract Copyright: ∼

Journal keyword(s): stars: horizontal-branch - stars: Population II - stars: variables: RR Lyrae - techniques: radial velocities

VizieR on-line data: <Available at CDS (J/AJ/144/114): table1.dat halpha.dat hbeta.dat hgamma.dat metallic.dat>

Simbad objects: 16

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Number of rows : 16
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* X Ari RR* 03 08 30.8846437148 +10 26 45.218712967 9.45 9.25 8.97     F0.5 305 0
2 V* CD Vel RR* 09 44 38.2454185174 -45 52 37.112073733   12.93 11.86   11.403 ~ 54 0
3 V* WY Ant RR* 10 16 04.9461830443 -29 43 42.417855880   11.03 10.78     kA2hA6 141 0
4 V* SU Dra RR* 11 37 56.6071282968 +67 19 47.060102316 9.52 9.37 9.27     kA2.5hA9.5 264 0
5 V* DT Hya RR* 11 54 00.1884425581 -31 15 40.039838763     12.99     A2 36 0
6 NGC 5053 GlC 13 16 27.09 +17 42 00.9     9.96     ~ 675 0
7 Cl* NGC 5053 SAW V4 RR* 13 16 28.0306942392 +17 39 56.302434612           ~ 19 0
8 Cl* NGC 5053 SAW V10 RR* 13 16 32.5483838808 +17 42 46.385116848           ~ 13 0
9 Cl* NGC 5053 BAA V3 RR* 13 16 35.6362787472 +17 44 15.740443716   16.88 16.62   16.11 ~ 24 0
10 Cl* NGC 5053 BAA V5 RR* 13 16 41.2255613352 +17 38 10.486526784   17.15 16.75     ~ 24 0
11 V* RV Oct RR* 13 46 31.7442284943 -84 24 06.384454864   11.39 10.94     ~ 105 0
12 V* XZ Aps RR* 14 52 05.4231924775 -79 40 46.572766688           ~ 72 0
13 NAME Galactic Center reg 17 45 39.60213 -29 00 22.0000           ~ 16269 0
14 V* Z Mic RR* 21 16 22.7047906743 -30 17 03.065542503   11.58 11.37     kF3hF8 83 0
15 NAME Pisces Overdensity G 23 19.0 +00 00           ~ 65 0
16 NAME Local Group GrG ~ ~           ~ 9325 0

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