dc.contributor.author | Kaviraj, S. | |
dc.contributor.author | Rey, S.-C. | |
dc.contributor.author | Yoon, S.-J. | |
dc.contributor.author | Yi, S.K. | |
dc.contributor.author | Rich, R.M. | |
dc.date.accessioned | 2013-10-31T14:31:02Z | |
dc.date.available | 2013-10-31T14:31:02Z | |
dc.date.issued | 2007-10-01 | |
dc.identifier.citation | Kaviraj , S , Rey , S-C , Yoon , S-J , Yi , S K & Rich , R M 2007 , ' Better age estimation using ultraviolet-optical colours : Breaking the age-metallicity degeneracy ' , Monthly Notices of the Royal Astronomical Society: Letters , vol. 381 , no. 1 , pp. L74-L78 . https://doi.org/10.1111/j.1745-3933.2007.00370.x | |
dc.identifier.issn | 1745-3933 | |
dc.identifier.other | ORCID: /0000-0002-5601-575X/work/77850231 | |
dc.identifier.uri | http://hdl.handle.net/2299/11956 | |
dc.description.abstract | We demonstrate that the combination of GALEX ultraviolet (UV) photometry in the far-UV (FUV; ~1530 Å) and near-UV (NUV; ~2310 Å) passbands with optical photometry in the standard U, B, V, R, I filters can efficiently break the age-metallicity degeneracy. We estimate well-constrained ages, metallicities and their associated errors for 42 globular clusters (GCs) in M31, and show that the full set of FUV, NUV, U, B, V, R, I photometry produces age estimates that are ~90 per cent more constrained and metallicity estimates that are ~60 per cent more constrained than those produced by using optical filters alone. The quality of the age constraints is comparable or marginally better than those achieved using a large number of spectroscopic indices. | en |
dc.format.extent | 423410 | |
dc.language.iso | eng | |
dc.relation.ispartof | Monthly Notices of the Royal Astronomical Society: Letters | |
dc.title | Better age estimation using ultraviolet-optical colours : Breaking the age-metallicity degeneracy | en |
dc.contributor.institution | Centre for Astrophysics Research | |
dc.contributor.institution | School of Physics, Engineering & Computer Science | |
dc.contributor.institution | Department of Physics, Astronomy and Mathematics | |
dc.contributor.institution | Centre of Data Innovation Research | |
dc.description.status | Peer reviewed | |
dc.identifier.url | http://www.scopus.com/inward/record.url?scp=36549035557&partnerID=8YFLogxK | |
rioxxterms.versionofrecord | 10.1111/j.1745-3933.2007.00370.x | |
rioxxterms.type | Journal Article/Review | |
herts.preservation.rarelyaccessed | true | |