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Summary

Description SS433 is one of the most exotic star systems known to astronomers. Its unremarkable name stems from its inclusion in a catalog of stars which emit radiation characteristic of atomic hydrogen. Its very remarkable behavior stems from a compact object, a black hole or neutron star, which has produced an accretion disk with jets. As illustrated in this artist's vision of the SS433 system based on observational data, a massive, hot star (left) is locked in a mutual orbit with a compact object. Material transfers from the massive star into an accretion disk surrounding the compact object blasting out two jets of ionized gas in opposite directions - at about 1/4 the speed of light! Radiation from the jet tilted toward the observer is blueshifted, while radiation from the jet tilted away is redshifted. The binary system itself completes an orbit in about 13 days while the jets precess (wobble like a top) with a period of about 164 days. Are the jets from SS433 related to those from black holes at the centers of galaxies?
Date
Source https://apod.nasa.gov/apod/ap960306.html
Author NASA

Licensing

Public domain This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.)
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Captions

Artist rendition of SS433, the first microquasar observed.

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Date/TimeThumbnailDimensionsUserComment
current22:45, 26 October 2007Thumbnail for version as of 22:45, 26 October 2007717 × 469 (128 KB)Spacepotato{{Information |Description=Public domain work of NASA artist. Selected as Astronomy Picture Of The Day for March 6, 1996, <http://apod.nasa.gov/apod/ap960306.html>. |Source=<http://apod.nasa.gov/apod/image/ss433_art_big.gif>. |Date=unknown |Autho

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