TCP J18490521-1902054 (ASASSN-21eh): nova in Sgr?

Affiliation

Magyar Csillagaszati Egyesulet, Valtozocsillag Szakcsoport (Hungary) (MCSE)

Fri, 03/26/2021 - 06:31

TCP J18490521-1902054 11.26V mag possible nova, discovered by Hideo Nishimura, Kakegawa, Shizuoka-ken, Japan.

It has also been detected by the ASAS-SN team.

http://www.cbat.eps.harvard.edu/unconf/followups/J18490521-1902054.html

Photo by Kyota-san: meineko.sakura.ne.jp/ccd/TCP_J18490521-1902054.jpg

New AAVSO-sequence will be available soon.

Robert

FRF

Affiliation

Magyar Csillagaszati Egyesulet, Valtozocsillag Szakcsoport (Hungary) (MCSE)

Fri, 03/26/2021 - 18:03

new AAVSO chart

AAVSO chart:

https://app.aavso.org/vsp/chart/X26383AE.png

20s V-band image made with T21 at Mayhill, New Mexico:
http://vendegcsillagkereso.blogspot.com/2021/03/asassn-21eh-fenyes-nova-jelolt-nyilasban.html

ASASSN-21eh March 26.50379UT 11.177B (0.001)
ASASSN-21eh March 26.50586UT 11.177B (0.001)

B-V=0.31

Position end figures 05.07s and 04.4".

Robert Fidrich

SPK

Affiliation

Association Francaise des Observateurs d'Etoiles Variables (AFOEV)

Sat, 03/27/2021 - 09:07

ASASSN-21eh = TCP J18490521-1902054 = Nova Sagittarii 2021

For details see https://www.aavso.org/vsx/index.php?view=detail.top&oid=2217348 (latest revision pending)

Further spectroscopy and multiband photometry are encouraged.

Clear skies,
Patrick