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It's the good the interpretation of my data. The H-alpha outburst is relative to the star continuum only. I have not information about the magnitude evolution. Coupling spectro and photometry is essential... Christian ----- Original Message ----- From: "Thom Gandet" <tgandet@mindspring.com> To: "Sebastian Otero" <varsao@fullzero.com.ar> Cc: <vsnet-spectroscopy@ooruri.kusastro.kyoto-u.ac.jp>; <vsnet-be@kusastro.kyoto-u.ac.jp> Sent: Friday, August 15, 2003 1:35 AM Subject: [vsnet-spectroscopy 37] Re: V1294 Aql > If I'm not being too presumptuous, Christian was probably referring > to the spectroscopic outburst - his spectra show that the intensity of > H-alpha has nearly doubled in the last two months and has more than > tripled since 2000. The central absorption core has disappeared as > well. > > It's a good idea to keep an eye on it since visual changes can > lag behind the H-alpha increase...or not! > > The Hp light curve shows a nice descent from ~6.9 to ~7.2. It > seems to have stuck at around 7.2-7.3 ever since. There are Be stars > that stay nearly the same visual magnitude for years and then > suddenly fade. > > V1294's spectral type is nearly identical to Delta Sco's, by the > way. A recent paper on Delta Sco shows that the H-alpha "brightness" > (flux relative to the nominal, pre-eruption flux level) has increased > steadily since the outburst began while the visual brightness has > varied quite a lot during the same time. > > > Regards, > Thom >
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