New infrared carbon stars in IRAS PSC (Guglielmo+ 1997)

Details New infrared carbon stars in IRAS PSC (Guglielmo+ 1997) New infrared carbon stars in IRAS PSC (Guglielmo+ 1997)

Aug 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996ycat..41220489g&link_type=abstract

VizieR On-line Data Catalog: J/A+AS/122/489. Originally published in: 1997A&AS..122..489G

Physics

Stars: Carbon, Photometry: Infrared

Scientific paper

We present new results of a search for infrared carbon stars (IRCS) based on the combination of IRAS and near infrared colours. A sample of 207 stars with IRAS colours that characterize IRCS is selected and measured in the JHKL photometric bands. Using a [12-25] vs. K-L colour diagram, 20 new IRCS candidates are proposed. Medium resolution spectra in the ~6000-9000{AA} range of 8 of these candidates confirm their carbon rich nature. In addition we propose a few stars with LRS class "4n" as oxygen-rich candidates, and a few stars with LRS classes "0n" and "1n" as carbon-rich.
(2 data files).

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