Astronomy and Astrophysics – Astronomy
Scientific paper
Jul 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991mnras.251p...1p&link_type=abstract
Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 251, July 1, 1991, p. 1P-6P.
Astronomy and Astrophysics
Astronomy
2
A Stars, Infrared Sources (Astronomy), Stellar Spectra, Spectral Energy Distribution, Stellar Envelopes, Stellar Luminosity, Stellar Winds
Scientific paper
From an analysis of the blue and red spectrum, and a study of the energy distribution from the optical up to the far infrared, HDE 323771 is identified as a new PMS Herbig Ae star. The P Cygni line profiles observed in the Balmer and Fe II lines indicate the presence of stellar wind with a velocity of about 250-350 km/s. An upper limit of mass loss rate of 2 x 10 to the -10th solar masses/yr is derived from the observed upper limit for the Br-gamma luminosity. The near-IR images and the IR energy distribution indicate the presence of an extended circumstellar dust envelope with a temperature of about 1500 K.
Origlia Livia
Persi Paolo
Polcaro Vito Francesco
Viotti Roberto
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