SIMBAD references

2026ApJ...997..294Z - Astrophys. J., 997, 294 (2026/February-1)

A Study Revealing the Physical Attributes of the Supernova Remnant in G321.3-3.9.

ZHANG S., LEI X., ZHU H., HU X., CUI X., TIAN W., ZHANG H. and WU D.

Abstract (from CDS):

We present a radio analysis of the recently identified supernova remnant G321.3-3.9 using archival multiwavelength data spanning 88-2304 MHz. The source exhibits an elliptical shell-like morphology (1$\mathop{.}\limits^{\unicode{x000b0}}$3 × 1$\mathop{.}\limits^{\unicode{x000b0}}$7) and a relatively flat nonthermal spectral index of α = -0.40 ± 0.03. The distance is estimated using both the Σ-D relation (1.6-2.9 kpc) and tentative associations with H I structures, the latter suggesting a near-side solution of 2.5-3.3 kpc, though the physical connection remains uncertain.

Abstract Copyright: © 2026. The Author(s). Published by the American Astronomical Society.

Journal keyword(s): Supernova remnants - Nebulae - Interstellar medium

Status at CDS : Objects in title, abstract, text, figures, and all or part of small table(s) being processed in SIMBAD.

Simbad objects: 1

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