2009AJ....137.3455W


Query : 2009AJ....137.3455W

2009AJ....137.3455W - Astron. J., 137, 3455-3478 (2009/March-0)

Resonance rings in galaxies as new tertiary distance indicators.

WU W.

Abstract (from CDS):

Recently, statistical correlations were found between near-infrared luminosities and ring sizes in field resonance-ringed galaxies. These correlations are proposed as a new class of tertiary distance indicators in the nearby universe (where redshifts ≲30, 000km/s). The most suitable application of the indicators will be to measure the Hubble constant. Detailed formulae are derived to evaluate distances to field ringed galaxies and H0, as well as the error levels involved in using this method. Numerical simulations show that through the measurements of over a thousand nearby ringed galaxies the method can yield a value of H0 with its root-mean-square random error within ~6% and systematic error most likely below ~10% (excluding the systematic error due to other indicators that are used to calibrate the correlations). Future such measurements should help to check the H0values from conventional methods.

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Journal keyword(s): distance scale - galaxies: elliptical and lenticular, cD - galaxies: spiral - galaxies: statistics

Simbad objects: 3

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Number of rows : 3
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 NGC 424 Sy1 01 11 27.6385025496 -38 05 00.421096524   13.76 14.12 12.38 12.8 ~ 346 1
2 NGC 3081 Sy2 09 59 29.5437024336 -22 49 34.747341960   13.06 13.55 11.67 12.1 ~ 509 0
3 NGC 5757 Sy1 14 47 46.3913128392 -19 04 42.159319464   12.77 13.73 11.52 12.2 ~ 119 1

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