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First detection of radio waves from bow shock created by high mass x-ray binary star

Astronomers detected for the first time radio waves coming from a bow shock created by high mass binary star. It's originating from Vela X-1 pulsar, that is orbited by massive HD 77581, which emits strong stellar winds. These winds create a bow shock upon their contact with interstellar medium and generate infrared and radio electromagnetic radiation.

Pulsar Vela X-1 and star HD 77581

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