Astronomy and Astrophysics – Astrophysics – Galaxy Astrophysics
Scientific paper
2010-11-13
Astronomy and Astrophysics
Astrophysics
Galaxy Astrophysics
To be published in "Why galaxies care about AGB stars II" Vienna conference 2010
Scientific paper
Using multi-epoch JHK photometry obtained with the 1.4-m Japanese-South
African Infrared Survey Facility at Sutherland we have identified large numbers
of AGB variables in NGC 6822. This paper uses 30 large amplitude variables,
with periods ranging from about 200 to 900 days, to provide a new calibration
of the period-luminosity relation.
Feast Michael W.
Menzies John W.
Nsengiyumva Francois
Whitelock Patricia W.
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