New transcient, perhaps a nova

Information about outbursts of eruptive stars, Be activity, ...

Re: New transcient, perhaps a nova

Postby Joan Guarro Flo » Tue Oct 31, 2017 9:46 am

Hi,
This movie is the result of Halpha NovaSCT2017 movements from day 2017 07 26 to 2017 10 29. It's the compilation of 63 observations of this star.
I hope, you like it.
At the moment, the Halpha it's in ascending again.
Friendly, Joan.
Attachments
@_NOVASCT2017_Ha1030.gif
@_NOVASCT2017_Ha1030.gif (2.02 MiB) Viewed 5290 times
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Re: New transcient, perhaps a nova

Postby umberto sollecchia » Thu Nov 02, 2017 2:15 pm

Félicitations Joan pour cette merveilleuse animation.
Un gros câlin
Umberto
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Re: New transcient, perhaps a nova

Postby umberto sollecchia » Thu Nov 02, 2017 2:16 pm

Bonjour à tous, le profil de ma dernière observation. Umberto

asassn-17hx_20171031_702_Umberto Sollecchia.png
asassn-17hx_20171031_702_Umberto Sollecchia.png (21.87 KiB) Viewed 5256 times
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Re: New transcient, perhaps a nova

Postby Joan Guarro Flo » Sat Nov 11, 2017 3:59 pm

Hello,
These three graphs, show, the maximum peaks of the Ha from the day 2017 08 21.820 to the 2017 11 09.727, (where the maximum has been spectacular).
We also see that during the succession of maximums in the Ha, the Hb has been decreasing, (a very relevant example is that of the day 2017 11 03.727, in green). The emission of Faith, has been maintained.
Cheers, Joan.
Attachments
novasct2017_20171109_COMHA.png
novasct2017_20171109_COMHA.png (63.67 KiB) Viewed 5221 times
novasct2017_20171109_COMHB.png
novasct2017_20171109_COMHB.png (71.78 KiB) Viewed 5221 times
novasct2017_20171109_COMVE.png
novasct2017_20171109_COMVE.png (62.94 KiB) Viewed 5221 times
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Re: New transcient, perhaps a nova

Postby Francois Teyssier » Sun Nov 12, 2017 6:52 pm

Great results!
The nova is now fainter as ever
Will it show a new oscillation?

Update of the light curve (not cleaned!) and the ARAS observations
novasct2017.PNG
novasct2017.PNG (15.23 KiB) Viewed 5205 times

With 235 spectra in the database, Nova Sct 2017 becomes the second best observed nova in the data base
The excellent coverage (almost continuous) allows an excellent study and publication (ongoing discussions with professional teams for that purpose)

All the best,

François

* Variati
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Re: New transcient, perhaps a nova

Postby umberto sollecchia » Sun Nov 12, 2017 9:17 pm

Bonsoir, le profil de l'observation de la journée 11-11-2017.Umberto

asassn_17hx_20171111_699_Umberto Sollecchia.png
asassn_17hx_20171111_699_Umberto Sollecchia.png (22.2 KiB) Viewed 5198 times
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Re: New transcient, perhaps a nova

Postby umberto sollecchia » Sat Nov 18, 2017 11:09 am

Bonne journée à tous, la nova est de nouveau en outburst. Voici le profil du jour 17-11-2017 et une comparaison avec le jour 13-11-2017 Les deux observations ont été faites avec une forte brume.
Umberto

asassn-17hx_20171117_698_Umberto Sollecchia.png
asassn-17hx_20171117_698_Umberto Sollecchia.png (23.35 KiB) Viewed 5156 times


asassn-17hx-Comparison-Umberto Sollecchia.png
asassn-17hx-Comparison-Umberto Sollecchia.png (30.51 KiB) Viewed 5156 times
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Re: New transcient, perhaps a nova

Postby umberto sollecchia » Fri Nov 24, 2017 10:15 pm

Bonsoir du tout, placez le profil de l'observation de la journée 23-11-2017.Umberto

asassn-17hx_20171123_699_Umberto Sollecchia.png
asassn-17hx_20171123_699_Umberto Sollecchia.png (20.39 KiB) Viewed 5090 times
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Re: New transcient, perhaps a nova

Postby Joan Guarro Flo » Sun Dec 03, 2017 6:04 pm

Hi,
This movie is the result of 82 observations in the Halpha zone. There are about 160 hours of telescope, from 2017 07 26 to 2017 11 26.
Nova Sct 2017 isn't visible now.
J. Guarro
Attachments
@_NOVASCT2017_Ha1202.gif
@_NOVASCT2017_Ha1202.gif (2.62 MiB) Viewed 5025 times
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Re: New transcient, perhaps a nova

Postby Paolo Berardi » Sun Dec 03, 2017 11:47 pm

Hi Joan, very interesting animation! This “cyclic” spectral evolution reflects the various rebrightenings occurred until now (h-alpha peak lowering). There's so much information in your profiles for the specialists!

All the best!
Paolo
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