› Forums › Spectroscopy › Spectrum of M87 Nucleus › References added
13 April 2019 at 6:50 pm
#580971
![](https://britastro.org/wp-content/uploads/2016/11/picture-146-1478110706-80x80.jpg)
Participant
Hi John,
I have added links to the AAS article on the radio image (just 50 micro arcsec across !) and the source of the 2008 comparison professional spectrum.
Cheers
Robin