SIMBAD references

2004MNRAS.349.1130N - Mon. Not. R. Astron. Soc., 349, 1130-1136 (2004/April-2)

Period-luminosity relations for Galactic Cepheid variables with independent distance measurements.


Abstract (from CDS):

In this paper, we derive the period-luminosity (PL) relation for Galactic Cepheids with recent independent distance measurements from open cluster, Barnes-Evans surface brightness, interferometry and Hubble Space Telescope astrometry techniques. Our PL relation confirms the results from recent works, which showed that the Galactic Cepheids follow a different PL relation to their Large Magellanic Cloud (LMC) counterparts. Our results also show that the slope of the Galactic PL relation is inconsistent with the LMC slope with more than 95 per cent confidence level. We apply this Galactic PL relation to find the distance to NGC 4258. Our result of µo= 29.49±0.06 mag (random error) agrees at the ∼1.4σ level with the geometrical distance of µgeo= 29.28±0.15 mag from water maser measurements.

Abstract Copyright: 2004 RAS

Journal keyword(s): stars: fundamental parameters - Cepheids

Errata: erratum vol. 351, p. 768 (2004)

Simbad objects: 66

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