New transcient, perhaps a nova

Information about outbursts of eruptive stars, Be activity, ...
Joan Guarro Flo
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Re: New transcient, perhaps a nova

Post by Joan Guarro Flo »

;) A bit of cinema. JG.
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Francois Teyssier
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Re: New transcient, perhaps a nova

Post by Francois Teyssier »

Fantastic Joan!
There will be a great publication on this peculiar nova.

All the best,

François
umberto sollecchia
Posts: 242
Joined: Tue Dec 30, 2014 3:25 pm

Re: New transcient, perhaps a nova

Post by umberto sollecchia »

Félicitations Joan! Quel beau film, un câlin.
Umberto
umberto sollecchia
Posts: 242
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Re: New transcient, perhaps a nova

Post by umberto sollecchia »

Bonne journée à tous, placez le profil de la nouvelle observé le 12-10-2017 une comparaison avec ce qui précède.Umberto
asassn-17hx_20171012_734_Umberto Sollecchia.png
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asassn-17hx - Comparison - Umberto Sollecchia.png
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umberto sollecchia
Posts: 242
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Re: New transcient, perhaps a nova

Post by umberto sollecchia »

Bonsoir du tout, voici une comparaison des profils des trois derniers jours.
umberto
asassn - Comparison - Umberto Sollecchia.png
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Joan Guarro Flo
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Re: New transcient, perhaps a nova

Post by Joan Guarro Flo »

Hi,
As it can also be seen with the graph of Umberto. It is very possible that there is a reverse relationship, between, the increase in brightness of the Nova and the decrease in the intensity of the Halpha.
Joan.
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umberto sollecchia
Posts: 242
Joined: Tue Dec 30, 2014 3:25 pm

Re: New transcient, perhaps a nova

Post by umberto sollecchia »

Salut, juste Joan, même la nuit dernière 23-10-2017, avec de nombreux problèmes météorologiques, j'ai réussi à faire un spectre à la nova.Voici son profil spectral et une comparaison avec 21-10-2017.
Salutations -
Umberto
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Francisco Campos
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Re: New transcient, perhaps a nova

Post by Francisco Campos »

Joan Guarro Flo wrote:Hi,
As it can also be seen with the graph of Umberto. It is very possible that there is a reverse relationship, between, the increase in brightness of the Nova and the decrease in the intensity of the Halpha.
Joan.
Yes, Joan, the nova is again rebrightening. Outstanding!

Here is a spectrum from two nights before- the nova is getting more and more difficult to observe. Again P-Cyg profiles but now the bands are broad.
_novasct2017_20171022_764_FPC.png
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Salut!
Fran
Francois Teyssier
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Re: New transcient, perhaps a nova

Post by Francois Teyssier »

Update of the lightcurve and spectroscopic coverage
Impressive!
NovaSct2017.PNG
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A few more spectra of this new brighning are welcome. Yes, the nopva is lower and lower.

All the best,

François
Forrest Sims
Posts: 86
Joined: Thu Feb 09, 2017 5:52 pm

Re: New transcient, perhaps a nova

Post by Forrest Sims »

Greetings,

I was lucky enough to capture Nova sct2017 last evening just after sunset. This a hard target as you know being rather low to the southwest at sunset. Being at latitude 33 degrees did help. I was able to get 10 300sec exposures. Halpha is overexposed to, help improve the SNR at other wavelengths.

Woody
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