AAVSO Special Notice #331

AAVSO Special Notice #331

Nova Cephei 2013 = PNV J23080471+6046521

February 2, 2013

A nova in Cepheus has been reported, confirmed, and confirmed

as a nova spectroscopically. An AAVSO Alert Notice will follow

after an official announcement from the Central Bureau for

Astronomical Telegrams, but basic information is given here for

immediate reference.

Nova Cep 2013 was discovered by Koichi Nishiyama (Kurume, Japan)

and Fujio Kabashima (Miyaki, Japan) at unfiltered CCD magnitude

10.3 on images taken 2013 Feb. 02.4119 UT. It was confirmed as a

new object by the discoverers, posted to the CBAT TOCP and assigned

the name PNV J23080471+6046521, and confirmed as a new object by

several other observers. It was subsequently confirmed as a nova

by K. Imamura and colleagues (reported via vsnet-alert), whose

low-resolution spectra taken February 2.526 UT at the Okayama

University of Science observatory show Nova Cep 2013 to be a

Fe II class classical nova.

The discoverers report additional unfiltered observations of the

nova: Jan 23.411, <13.6; 26.401 UT, <13.6; 28.412, 11.9; 30.413,

11.0.

Charts for N Cep 2013 may be created using the AAVSO Variable Star

Please report observations to the AAVSO International Database as

N CEP 2013.

Congratulations to Koichi Nishiyama and Fujio Kabashima on their

discovery!

This AAVSO Special Notice was compiled by Elizabeth O. Waagen.

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