Hostname: page-component-8448b6f56d-jr42d Total loading time: 0 Render date: 2024-04-24T05:15:49.580Z Has data issue: false hasContentIssue false
  • English
  • Français

Trigonometric parallax of the protoplanetary nebula OH 231.8+4.2

Published online by Cambridge University Press:  30 August 2012

Yoon Kyung Choi ,
Andreas Brunthaler ,
Karl M. Menten  and
Mark J. Reid
Yoon Kyung Choi*
Affiliation:
Max-Planck-Institut für Radioastronomie, Auf dem Hügel 69, 53121 Bonn, Germany
Andreas Brunthaler
Affiliation:
Max-Planck-Institut für Radioastronomie, Auf dem Hügel 69, 53121 Bonn, Germany
Karl M. Menten
Affiliation:
Max-Planck-Institut für Radioastronomie, Auf dem Hügel 69, 53121 Bonn, Germany
Mark J. Reid
Affiliation:
Harvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, MA 02138, USA
*
*email: ykchoi@mpifr-bonn.mpg.de
Rights & Permissions [Opens in a new window]

Abstract

Core share and HTML view are not available for this content. However, as you have access to this content, a full PDF is available via the ‘Save PDF’ action button.

We report trigonometric parallx measurements for H2O masers around the protoplanetary nebula OH 231.8+4.2 carried out with the Very Long Baseline Array. Based on astrometric monitoring for 1 year, we measured a trigonometric parallax of 0.89 ± 0.04 mas, corresponding to a distance of 1.12+0.05−0.05 kpc. This is the most accurate distance to OH 231.8+4.2, and the first one based on an annual parallax measurement. The distribution and internal motions of the H2O masers are consistent with the bipolar outflow suggested in literatures.

Keywords

astrometrystars: late-typestars: distancesstars: individual (OH 231.8+4.2)
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 7 , Symposium S283: Planetary Nebulae: An Eye to the Future , July 2011 , pp. 330 - 331
Copyright
Copyright © International Astronomical Union 2012

References

Desmurs, J. F., Alcolea, J., Bujarrabal, V., Sánchez Contreras, C., & Colomer, F. 2007, A&A, 468, 189 Google Scholar
Sánchez Contreras, C., Gil de Paz, A., & Sahai, R. 2004, ApJ, 616, 519 CrossRefGoogle Scholar