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Astronomy Beta
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Peter Erwin

Astronomer at the Max-Planck-Institute for Extraterrestrial Physics, specializing in supermassive black holes and galaxy morphology, dynamics, and evolution.

Open-source code for fitting images of galaxies: www.mpe.mpg.de/~erwin/code/imfit

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  • Munich, Germany
  • mpe.mpg.de/~erwin
  • Member for 3 years, 11 months
  • 65 profile views
  • Last seen 2 hours ago

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Top posts (97) All Questions Answers | Votes Newest

39 Are there observable changes in a star about to become supernova, minutes or hours before the explosion? Sep 21 '16
12 Calculate the true diameter of stars from photographic plate Feb 26
12 Conventional matter to dark matter ratio, outside of galaxies (Bounty!) Jun 13 '16
11 Is a kilonova bigger than a supernova? Oct 17 '17
11 Why aren't ground-based observatories using adaptive optics for visible wavelengths? May 8 '16
11 What is the name of our Solar System? Jun 23 '15
10 Can “rogue” supermassive black holes be made this way? Jun 27 '18
9 What are the chances of a star colliding with another during a galactic collision? Sep 11 '17
8 What is the “lost light” in this unusual Hubble Deep Sky image? Jan 25
8 Why do we define the Milky Way's rotation in a left-hand coordinate system? Mar 30 '17
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