2022PASJ...74L..23S

Query : 2022PASJ...74L..23S

2022PASJ...74L..23S - Publ. Astron. Soc. Jap., 74, L23-L26 (2022/February-1)

One-kiloparsec expanding cylinder of H I gas around the Galactic Center.

SOFUE Y.

Abstract (from CDS):

We report the discovery of an expanding cylinder of H I gas of radius 1 kpc and vertical extent 800 pc by analyzing the 21 cm line survey data from the literature. The cylinder is expanding at 150 km s–1, rotating at 100 km s–1, and is interpreted as due to a high-velocity conical wind from the Galactic Center. The total mass of the cylinder is estimated to be ∼8.5 × 105M⊙ and kinetic energy ∼3 × 1053 erg.

Abstract Copyright: © The Author(s) 2022. Published by Oxford University Press on behalf of the Astronomical Society of Japan.

Journal keyword(s): ISM: atoms - ISM: jets and outflows - Galaxy: center - Galaxy: kinematics and dynamics

Simbad objects: 2

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Number of rows : 2
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 NAME Fermi Bubbles bub 17 45 -29.0           ~ 525 0
2 NAME Galactic Center reg 17 45 39.60213 -29 00 22.0000           ~ 16269 0

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