Visible and/or near infrared spectral variations of v1016 Cygni,HM sagittae and MWC 349 |
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| Authors: | Y Andrillat F Ciatti J P Swings |
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| Institution: | (1) Observatoire de Haute Provence, Saint-Michel l'Observatoire, France;(2) Osservatorio Astronomico, Asiago, Italy;(3) Institut d'Astrophysique, Cointe-Ougrée, Belgium |
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| Abstract: | The recent spectral evolution of the three peculiar emission-line objects with IR excess V1016 Cyg, HM Sge, and MWC 349 is described, on the basis of data obtained at the Asiago (blue and red spectral regions) and Haute Provence (near infrared) Observatories. In the near infrared spectral region, details are given concerning the data briefly described in IAU Circular No. 3498 (Andrillat and Swings, 1980).Based on observations performed at the Haute Provence (CNRS, France) and Asiago (Italy) Observatories. |
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