SIMBAD references

2004MNRAS.348.1120N - Mon. Not. R. Astron. Soc., 348, 1120-1134 (2004/March-2)

Study of variable stars in the MOA data base: long-period red variables in the Large Magellanic Cloud - II. Multiplicity of the period-luminosity relation.

NODA S., TAKEUTI M., ABE F., BOND I.A., DODD R.J., HEARNSHAW J.B., HONDA M., HONMA M., JUGAKU J., KAN-YA Y., KATO Y., KILMARTIN P.M., MATSUBARA Y., MASUDA K., MURAKI Y., NAKAMURA T., OHNISHI K., REID M., RATTENBURY N.J., SAITO T., SAITO Y., SATO H., SEKIGUCHI M., SKULJAN J., SULLIVAN D.J., SUMI T., YAMADA R., YANAGISAWA T., YOCK P.C.M. and YOSHIZAWA M.

Abstract (from CDS):

Data for 4.4 million stars from the Microlensing Observations in Astrophysics (MOA) project are compared with the near-infrared data of the Deep Near Infrared Southern Sky Survey (DENIS). More than 4000 stars observed in both projects show a quite periodic light curve. Among them, a number of stars are likely eclipsing variables, and the others seem to be pulsating stars. The KS magnitudes of these red variables are in the range 10-12.5 but a minor clump at KS~ 12.2 mag is also found. The multiplicity of the period-luminosity relation is confirmed, but most of the regular, large-amplitude variables are found on the relation established for the Mira stars. We study the properties of the variables on the colour-magnitude diagram constructed with the MOA red band Rmand KSof DENIS. Multiplicity of the period-luminosity relation is briefly discussed in relation to the excitation mechanism of red pulsating variables.

Abstract Copyright: 2004 RAS

Journal keyword(s): catalogues - stars: AGB and post-AGB - stars: oscillations - stars: variables: other - Magellanic Clouds

Nomenclature: Tables 3, B1, B2: MOA JHHMMSS.s-DDMMSS N=75+5+17.

Simbad objects: 35

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