Nova Sgr 2020c (2020-07-16)

Alerts and Monitoring of Novae
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Francois Teyssier
Posts: 1520
Joined: Fri Sep 23, 2011 1:01 pm
Location: Rouen
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Nova Sgr 2020c (2020-07-16)

Post by Francois Teyssier »

Discovered by Shigehisa Fujikawa, Kan'onji, Kagawa, Japan on 2020-07-16.51UT

RA 17 58 08.48
DE -30 05 37.6

The identification spectrum shows a fast nova (FWHM ~4000 km/s)
http://www.astronomerstelegram.org/?read=13872

ASASSN light curve: mag V ~ 10.5
https://asas-sn.osu.edu/light_curves/4c ... 39ec5755b8

Send spectra to francoismathieu.teyssier@gmail.com for inclusion in the database
and a copy to ararsdatabase@gmail.com
Terry Bohlsen
Posts: 191
Joined: Thu Sep 29, 2011 7:40 am

Re: Nova Sgr 2020c (2020-07-16)

Post by Terry Bohlsen »

Spectra from last night. Very wide features. taken with my LISA and LOSPEC giving 2 different resolutions R=1800 and R=4000.

Terry
nsgr2020no3_20200719_464_TBohlsen.png
Terry Bohlsen
Armidale NSW
Australia
Francois Teyssier
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Joined: Fri Sep 23, 2011 1:01 pm
Location: Rouen
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Re: Nova Sgr 2020c (2020-07-16)

Post by Francois Teyssier »

Nice spectra, Terry!
The LOSPEC works well.

Fast nova as describded in the ATel
Sgr2020c.PNG
Sgr2020c.PNG (13.5 KiB) Viewed 4343 times
Page opened: http://www.astrosurf.com/aras/Aras_Data ... r2020c.htm

All the best,
François
Christian Buil
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Re: Nova Sgr 2020c (2020-07-16)

Post by Christian Buil »

An echelle spectrum for July 19.9 2020 at R=12000. The object is at very low elevation form France and highly absorbed. The sharp emission line are from town pollution :

Image

Image

Christian Buil
Francois Teyssier
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Joined: Fri Sep 23, 2011 1:01 pm
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Re: Nova Sgr 2020c (2020-07-16)

Post by Francois Teyssier »

Fast decline, compliant with the high velocity.
H alpha profile at various resolutions:
NovaSgr2020c_Ha.PNG
NovaSgr2020c_Ha.PNG (50.8 KiB) Viewed 4265 times
All the best,
François
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