SIMBAD references

2001A&A...373..572G - Astronomy and Astrophysics, volume 373, 572-575 (2001/7-2)

UV (IUE) spectra of the central stars of high latitude planetary nebulae Hb7 and Sp3.

GAUBA G., PARTHASARATHY M., NAKADA Y. and FUJII T.

Abstract (from CDS):

We present an analysis of the UV (IUE) spectra of the central stars of Hb7 and Sp3. Comparison with the IUE spectrum of the standard star HD 93205 leads to a spectral classification of O3V for these stars, with an effective temperature of 50000 K. From the P-Cygni profiles of CIV (1550Å), we derive stellar wind velocities and mass loss rates of -1317km/s±300km/s and 2.9x10–8M☉/yr and -1603km/s±400km/s and 7x10–9M☉/yr for Hb7 and Sp3 respectively. From all the available data, we reconstruct the spectral energy distribution of Hb7 and Sp3.

Abstract Copyright: ∼

Journal keyword(s): planetary Nebulae: individual: Hb7, Sp3 - stars: AGB and Post-AGB - stars: evolution - stars: mass-loss - stars: winds - ultraviolet: stars

Simbad objects: 4

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