description Simeis 147 Overview
Simeis 147 is a vast filamentary nebula located in the Taurus region of the Milky Way. It represents the expanding remains of a supernova explosion that occurred approximately 9,000 years ago. The remnant’s immense size – spanning roughly three degrees – makes it particularly notable for astronomers studying stellar death and the evolution of galaxies. PSR J0538+2817, a pulsar, is embedded within this nebula, offering insights into extreme magnetic fields generated by collapsed stars.
This object is primarily studied by researchers investigating supernova remnants and their associated phenomena.
help Simeis 147 FAQ
Where is the Simeis 147 nebula located in the night sky?
Simeis 147 is located in the northern sky, spanning across the borders of the constellations Taurus and Auriga. It lies at an approximate distance of 3,000 light-years away from Earth.
How old is the Simeis 147 supernova remnant?
Astronomers estimate that the supernova explosion that created Simeis 147 occurred approximately 40,000 years ago. This makes it a very old, highly evolved remnant that has had millennia to expand.
How large is the Simeis 147 nebula?
The expanding gas cloud spans an immense angular diameter of about three degrees in the sky, which is equivalent to the width of six full moons. Despite its massive apparent size from Earth, its actual physical diameter is roughly 150 light-years.
What kind of telescope is required to see Simeis 147?
Because its surface brightness is incredibly low, Simeis 147 cannot be seen visually through a standard amateur telescope. Astrophotographers must use specialized narrowband filters and long-exposure camera setups to capture its sprawling, faint filaments.
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