Improved dynamical constraints on the mass of the central black hole in NGC 404
We explore the nucleus of the nearby 109 M⊙ early-type galaxy, NGC 404, using Hubble Space Telescope (HST)/STIS spectroscopy and WFC3 imaging. We first present evidence for nuclear variability in UV, optical, and infrared filters over a time period of 15 years. This variability adds to the already s...
| Main Authors: | , , , , , , , , |
|---|---|
| Format: | Journal article |
| Published: |
Institute of Physics
2017
|