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The continuous spectrum of HM Sagittae
The continuum of HM Sge in the 3600-7000-A range has been examined onspectrograms of 160-A dispersion at H-gamma, taken in December 1976 withan objective prism on the 70/100/210-cm Maksutov telescope of theAbastumani Astrophysical Observatory. The energy distribution correctedfor interstellar absorption is anomalous and cannot be attributed to anysingle source. A large emission Balmer jump is present. A model for theHM Sge system is proposed, with a dense nebula (electron density atleast about 1 million per cu cm) surrounding a hot star. At a wavelengthof approximately 5000 A the intensity ratio of the stellar and nebularcontinua is 2.5:1.
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Gözlemler ve gökölçümü verileri
| Takýmyýldýz: | Okcuk |
| Sað Açýklýk: | 19h39m33.06s |
| Yükselim: | +18°03'57.2" |
| Görünürdeki Parlaklýk: | 9.331 |
| özdevim Sað Açýklýk: | 0.3 |
| özdevim Yükselim: | -5.9 |
| B-T magnitude: | 9.588 |
| V-T magnitude: | 9.353 |
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