Nova Sgr 2020c (2020-07-16)

Alerts and Monitoring of Novae

Nova Sgr 2020c (2020-07-16)

Postby Francois Teyssier » Fri Jul 17, 2020 5:27 pm

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/4c0bd99e-3edd-4bdb-996f-be39ec5755b8

Send spectra to francoismathieu.teyssier@gmail.com for inclusion in the database
and a copy to ararsdatabase@gmail.com
Francois Teyssier
 
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Re: Nova Sgr 2020c (2020-07-16)

Postby Terry Bohlsen » Mon Jul 20, 2020 10:32 am

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

Postby Francois Teyssier » Mon Jul 20, 2020 12:49 pm

Nice spectra, Terry!
The LOSPEC works well.

Fast nova as describded in the ATel

Sgr2020c.PNG
Sgr2020c.PNG (13.5 KiB) Viewed 817 times


Page opened: http://www.astrosurf.com/aras/Aras_DataBase/Novae/2020_NovaSgr2020c.htm

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

Postby Christian Buil » Mon Jul 20, 2020 11:11 pm

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

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

Postby Francois Teyssier » Wed Jul 22, 2020 12:46 pm

Fast decline, compliant with the high velocity.
H alpha profile at various resolutions:

NovaSgr2020c_Ha.PNG
NovaSgr2020c_Ha.PNG (50.8 KiB) Viewed 739 times


All the best,
François
Francois Teyssier
 
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