Christopher S. Kochanek

Study reveals new findings about the active galaxy Mrk 817's black hole and outflows.

2025-07-18T12:30:39+00:00 ― 5 min read

Researchers analyze the gas outflows from the active galaxy Mrk 817.

2025-07-14T01:13:39+00:00 ― 5 min read

Research reveals precise distances to Cassiopeia A and Tycho's Supernova through light echoes.

2025-07-06T06:55:15+00:00 ― 5 min read

New techniques in microlensing offer insights on stars and their properties.

2025-06-06T11:15:45+00:00 ― 5 min read

ASASSN-22ci reveals the fascinating process of stars meeting their end near black holes.

2025-02-14T21:28:16+00:00 ― 8 min read