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G327.1-1.1

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description G327.1-1.1 Overview

G327.1-1.1 is a composite supernova remnant in the Milky Way, consisting of an expanding shell and a pulsar wind nebula. Radio and X-ray observations show an off-center nonthermal nebula with a compact source embedded in a comet-like structure and a trailing X-ray feature. Its unusual appearance is associated with the interaction of the pulsar wind nebula with the remnant's reverse shock and possible pulsar motion.

help G327.1-1.1 FAQ

What kind of object is G327.1-1.1?

G327.1-1.1 is a composite supernova remnant in the Milky Way. It combines an expanding shell with a pulsar wind nebula inside it.

Why does G327.1-1.1 have a comet-like shape?

Radio and X-ray observations show an off-center nonthermal nebula, a compact source, and a trailing X-ray feature. Those structures give G327.1-1.1 its distinctive comet-like appearance rather than a simple symmetrical shell.

What is the difference between the shell and the inner nebula in G327.1-1.1?

The shell is the expanding remnant of the supernova explosion, while the pulsar wind nebula is powered by energetic material from the compact stellar remnant. G327.1-1.1 is called composite because both structures are observed together.

How do astronomers study G327.1-1.1?

Astronomers combine radio and X-ray observations to separate the expanding shell from the inner nonthermal nebula. This multiwavelength approach is especially important for interpreting the compact source and trailing feature in G327.1-1.1.

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