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Astrometry of the Galactic Miras and LPVs with a Japanese VLBI Array “Vera”

A. Nakagawa, T. Kurayama, G. Orosz, VERA Project

Transactions of IAA RAS, issue 40, 28–33 (2017)

Keywords: Variable star, VLBI, Astrometry

Abstract

A relation between pulsation periods and magnitudes (PL-relation) of the Galactic long period variable (LPVs) is studied based on VLBI observations. Calibra tion of the PL-relation applied to the Galactic LPVs is our scientific aim. From 2004, we have been conducting astrometric VLBI observations towards dozens of Mira and semiregular variables to measure their parallaxes. Current result of our ongoing study is presented. As a future plan, we started a study of mid-infrared PL-relations applied to OH/IR stars with period longer than ∼1000 days. We mention a contribution to the study of Galactic kinematics from our research of OH/IR stars.

Citation

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A. Nakagawa, T. Kurayama, G. Orosz, VERA Project. Astrometry of the Galactic Miras and LPVs with a Japanese VLBI Array “Vera” // Transactions of IAA RAS. — 2017. — Issue 40. — P. 28–33.

@article{nakagawa2017,
  abstract = {A relation between pulsation periods and magnitudes (PL-relation) of the Galactic long period variable (LPVs) is studied based on VLBI observations. Calibra tion of the PL-relation applied to the Galactic LPVs is our scientific aim. From 2004, we have been conducting astrometric VLBI observations towards dozens of Mira and semiregular variables to measure their parallaxes. Current result of our ongoing study is presented. As a future plan, we started a study of mid-infrared PL-relations applied to OH/IR stars with period longer than ∼1000 days. We mention a contribution to the study of Galactic kinematics from our research of OH/IR stars.},
  author = {A. Nakagawa and T. Kurayama and G. Orosz and VERA Project},
  issue = {40},
  journal = {Transactions of IAA RAS},
  keyword = {Variable star, VLBI, Astrometry},
  pages = {28--33},
  title = {Astrometry of the Galactic Miras and LPVs with a Japanese VLBI Array “Vera”},
  url = {http://iaaras.ru/en/library/paper/1675/},
  year = {2017}
}

TY  - JOUR
TI  - Astrometry of the Galactic Miras and LPVs with a Japanese VLBI Array “Vera”
AU  - Nakagawa, A.
AU  - Kurayama, T.
AU  - Orosz, G.
AU  - Project, VERA
PY  - 2017
T2  - Transactions of IAA RAS
IS  - 40
SP  - 28
AB  - A relation between pulsation periods and magnitudes (PL-relation) of
the Galactic long period variable (LPVs) is studied based on VLBI
observations. Calibra tion of the PL-relation applied to the Galactic
LPVs is our scientific aim. From 2004, we have been conducting
astrometric VLBI observations towards dozens of Mira and semiregular
variables to measure their parallaxes. Current result of our ongoing
study is presented. As a future plan, we started a study of mid-
infrared PL-relations applied to OH/IR stars with period longer than
∼1000 days. We mention a contribution to the study of Galactic
kinematics from our research of OH/IR stars.
UR  - http://iaaras.ru/en/library/paper/1675/
ER  -