Hi Ivan,
Incidentally I was writing an article about Holmberg IX so the HII regions weren't too far from that.
I use NASA's NED for HII regions, or SIMBAD, as well as the ADS to get to the...
Type: Posts; User: yapo; Keyword(s):
Hi Ivan,
Incidentally I was writing an article about Holmberg IX so the HII regions weren't too far from that.
I use NASA's NED for HII regions, or SIMBAD, as well as the ADS to get to the...