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A&A Supplement Ser., Vol. 124, July 1997, 57-60

Received June 11; accepted October 18, 1996

Identification of DQ Serpentis and DT Serpentis as symbiotic stars

D. Cieslinski tex2html_wrap858 - J.E. Steiner tex2html_wrap860 - F. Elizalde tex2html_wrap862 - M.G. Pereira tex2html_wrap864

Send offprint request: D. Cieslinski,

tex2html_wrap866  Divisão de Astrofísica, Instituto Nacional de Pesquisas Espaciais, CP 515, 12201-970 São José dos Campos, Brazil
tex2html_wrap868  Instituto Astronômico e Geofísico, Universidade de São Paulo, CP 9638, 01065-970 São Paulo, Brazil


Optical and near infrared spectroscopy of the stars DQ Ser and DT Ser are presented. DQ Ser shows a late-type continuum (M3 - M5) with emission lines of Balmer series, HeI, HeII, [OIII], OI and CaII triplet while DT Ser presents a earlier spectral type with emission of Balmer lines, HeI, HeII and [OIII]. DT Ser is a faint V=15.4 star 5 arcsec from a V=12.8 G companion. We suggest it to be a yellow symbiotic star.

keywords: stars: binaries: symbiotic -- stars: emission line -- stars: DQ Ser, DT Ser

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