SIMBAD references

2023ApJ...949...10M - Astrophys. J., 949, 10 (2023/May-3)

The Parallax and 3D Kinematics of Water Masers in the Massive Star-forming Region G034.43+0.24.

MAI X., ZHANG B., REID M.J., MOSCADELLI L., XU S., SUN Y., ZHANG J., CHEN W., WEN S., LUO Q., MENTEN K.M., ZHENG X., BRUNTHALER A., XU Y. and WANG G.

Abstract (from CDS):

We report a measurement of the trigonometric parallax of 22 GHz water masers in the massive star-forming region G034.43+0.24 as part of the Bar and Spiral Structure Legacy Survey using the Very Long Baseline Array. The parallax is 0.330 ± 0.018 mas, corresponding to a distance of ${3.03}_{-0.16}^{+0.17}$ kpc. This locates G034.43+0.24 near the inner edge of the Sagittarius spiral arm and at one end of a linear distribution of massive young stars that cross nearly the full width of the arm. The measured three-dimensional motion of G034.43+0.24 indicates a near-circular Galactic orbit. The water masers display arc-like distributions, possibly bow shocks, associated with winds from one or more massive young stars.

Abstract Copyright: © 2023. The Author(s). Published by the American Astronomical Society.

Journal keyword(s): Milky Way Galaxy - Star formation - Trigonometric parallax - Interstellar masers

Status at CDS : Examining the need for a new acronym.

Simbad objects: 24

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