LWS two colour diagram of young stellar objects

Details LWS two colour diagram of young stellar objects LWS two colour diagram of young stellar objects

Mar 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999esasp.427..509p&link_type=abstract

The Universe as Seen by ISO. Eds. P. Cox & M. F. Kessler. ESA-SP 427., p. 509

Physics

3

Stars:Evolution, Stars:Fundamental Parameters, Stars:Formation

Scientific paper

A [60-100] vs. [100-170] two colours diagram of Young Stellar Objects (YSO) is discussed. Colours have been derived from ISO-LWS spectra exploiting the full wavelength range of the instrument. A segregation effect is clearly present relating the colours to the age of the sources. Colour temperature derived runs from ~ 25 K for Class 0 objects to as high as 90 K for more evolved sources like Herbig Ae/Be stars. This diagram offers a powerful tool to identify the evolutionary status of unclassified sources once their colours are known.

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