Measuring the Balmer jump and the effective gravity in FGK stars

Michael S. Bessell

doi:10.1086/519981

Measuring the Balmer jump and the effective gravity in FGK stars

Michael S. Bessell^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

14 Citations (Scopus)

Abstract

It is difficult to accurately measure the effective gravity (log g) in late-type stars using broadband (e.g., UBV or SDSS) or intermediate-band (uvby) photometric systems, especially when the stars can cover a range of metallicities and reddenings. However, simple spectroscopic observational and data reduction techniques can yield accurate values for log g through comparison of the Balmer jumps of low-resolution spectra with recent grids of synthetic flux spectra.

Original language	English
Pages (from-to)	605-615
Number of pages	11
Journal	Publications of the Astronomical Society of the Pacific
Volume	119
Issue number	856
DOIs	https://doi.org/10.1086/519981
Publication status	Published - Jun 2007

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10.1086/519981

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title = "Measuring the Balmer jump and the effective gravity in FGK stars",

abstract = "It is difficult to accurately measure the effective gravity (log g) in late-type stars using broadband (e.g., UBV or SDSS) or intermediate-band (uvby) photometric systems, especially when the stars can cover a range of metallicities and reddenings. However, simple spectroscopic observational and data reduction techniques can yield accurate values for log g through comparison of the Balmer jumps of low-resolution spectra with recent grids of synthetic flux spectra.",

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AB - It is difficult to accurately measure the effective gravity (log g) in late-type stars using broadband (e.g., UBV or SDSS) or intermediate-band (uvby) photometric systems, especially when the stars can cover a range of metallicities and reddenings. However, simple spectroscopic observational and data reduction techniques can yield accurate values for log g through comparison of the Balmer jumps of low-resolution spectra with recent grids of synthetic flux spectra.

UR - https://www.scopus.com/pages/publications/34547423801

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DO - 10.1086/519981

M3 - Article

SN - 0004-6280

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SP - 605

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JO - Publications of the Astronomical Society of the Pacific

JF - Publications of the Astronomical Society of the Pacific

IS - 856

ER -

Measuring the Balmer jump and the effective gravity in FGK stars

Abstract

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