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Re: New transcient, perhaps a nova
Posted: Sun Aug 13, 2017 11:39 am
by Olivier GARDE
Here's my last spectrum taken last night.
Comparison with the last echelle spectrum of Joan (taken in the ARAS data base)
And Balmer lines (H Alpha and H Beta)
Re: New transcient, perhaps a nova
Posted: Sun Aug 13, 2017 5:20 pm
by Joan Guarro Flo
Hi,
Variations of the NovaSct2017 on the last 24 hours.
The star continue having it's ascending tendence in the Hidrogen.
Joan.
Re: New transcient, perhaps a nova
Posted: Sun Aug 13, 2017 8:16 pm
by Francois Teyssier
Congratulations Joan and Olivier,
The evolution during the decline is impressive.
François
Re: New transcient, perhaps a nova
Posted: Mon Aug 14, 2017 8:45 am
by umberto sollecchia
Bonjour à tous, le profil de la nova observé le soir 13/08/2017. Umberto
- Profilo nova flux.png (8.12 KiB) Viewed 7674 times
Re: New transcient, perhaps a nova
Posted: Mon Aug 14, 2017 9:34 pm
by Paolo Berardi
Hi all, I added my last observations in the following profile animations.
H-beta and Fe II (42), sequence that includes July 26, 30, Aug 1, 3, 9 obs.
H-alpha region. Includes July 10, 25, 31, Aug 13 obs.
The same spectra (H-alpha) at lower flux values:
Paolo
Re: New transcient, perhaps a nova
Posted: Tue Aug 15, 2017 11:09 am
by Francisco Campos
Hello,
here is my contribution from the night before yesterday.
- _novasct2017_20170813_856_FPC.png (10.63 KiB) Viewed 7637 times
Greetings
Fran
Re: New transcient, perhaps a nova
Posted: Wed Aug 16, 2017 11:32 am
by Joan Guarro Flo
Hi,
These graphics showing the evolution of the Hydrogen on de last nights.
The last night was cloudy in my two observatories.
Joan.
Re: New transcient, perhaps a nova
Posted: Wed Aug 16, 2017 2:56 pm
by Paolo Berardi
Hello Catalunya and all,
yesterday I measured V mag 10.30 (~ 21 UT, Aug 15). I tried to capture the complex Na D and He I 5876 superimposed lines.
Paolo
Re: New transcient, perhaps a nova
Posted: Fri Aug 18, 2017 6:01 pm
by Joan Guarro Flo
Hi all, Bongiorno Paolo !
The NOVA SCT2017, continued with it ascending Hydrogen emission. Is it normal ?
No tinc por, Joan.
Re: New transcient, perhaps a nova
Posted: Sat Aug 19, 2017 10:08 pm
by Francois Teyssier
Finally, I join the campaign ...
Not easy at Latitude 50N (+ haze tonight)
But impressive change in the Balmer profiles within 2 days
- novasct2017_Ha.png (25.07 KiB) Viewed 7549 times
Udate with Paolo spectrum (18-08)
- novasct2017_Halpha.png (31.67 KiB) Viewed 7515 times
Flat top: signature of an almost spherical ejecta - Still very opaque (absorption at -280 km/s)
François