2002PASP..114..645D

Query : 2002PASP..114..645D

2002PASP..114..645D - Publ. Astron. Soc. Pac., 114, 645-649 (2002/June-0)

Light and color curves of six field RR Lyrae variable stars.

DAY A.S., LAYDEN A.C., HOARD D.W., BRAMMER G., COOKSEY K., CUADRA J., HOLMES S., LABBE E. and MONTEZ R.Jr

Abstract (from CDS):

We present light curves in the B, V, and I passbands for six field RR Lyrae stars. We derive the stars' intensity-mean magnitudes, light amplitudes, and colors at minimum light. We compare the latter with measurements from other variables and discuss the use of (V-I) color at minimum light as a tool for measuring interstellar reddening. From 15 stars, we find the mean dereddened RR Lyrae color at minimum light to be (V-I)0=0.57 mag. The rms scatter of 0.025 mag indicates the precision of this value over a wide range of metallicities and pulsation periods.

Abstract Copyright: ∼

Journal keyword(s): ISM: Dust, Extinction - Stars: Horizontal-Branch - Stars: Variables: Other

Simbad objects: 7

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Number of rows : 7
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* SW Dor RR* 05 02 05.7979656984 -67 16 56.723738268   14.29 13.902   13.404 ~ 27 0
2 V* SX Dor RR* 05 03 32.0696885760 -65 42 58.186391436   14.39 14.004   13.500 ~ 29 0
3 V* TX Men RR* 05 08 02.7496045968 -79 03 50.536352808   14.54 14.119   13.478 ~ 20 0
4 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 19090 0
5 V* SW Leo RR* 10 55 55.5095756592 -02 58 56.333321076   14.23 13.93     ~ 28 0
6 V* WW Vir RR* 13 28 23.8839743328 -05 17 08.855883384   13.64 13.31     ~ 35 0
7 V* WY Vir RR* 13 35 16.1445222336 -06 58 22.579286412   13.72 13.46     A2 36 0

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