Star clusters in M33: updated UBVRI photometry, ages, metallicities, and masses · HackerPapers discussionshttps://hackerpaper.kaipfister.de/p/1402.3029/Collected HN comments and submissions linking this paper.enMon, 02 Nov 2026 11:16:22 GMTStar clusters in M33: updated UBVRI photometry, ages, metallicities, and masses — mentioned by xioxoxhttps://news.ycombinator.com/item?id=18873050urn:hackerpapers:mention:1402.3029:18873050Thu, 10 Jan 2019 11:14:59 GMT<p>There are quite a lot of star clusters in M33/Triangulum (e.g. https://arxiv.org/abs/1402.3029), so some of the bright dots may not be individual stars. There are stars which are bright enough to dominate the light within a PSF (point spread function, or resolved region size). They will, of course, be physically much smaller than that size.</p><p><a href="https://hackerpaper.kaipfister.de/p/1402.3029/">Paper and discussion history</a>. A mention is not an endorsement.</p>astro-ph.GA