[vsnet-alert 17919] Re: PNV J03093063+2638031:likely a dwarf nova?

[francoismathieu.teyssier at bbox.fr]

Hello,

Paolo Berardi (L'Aquila, Italia) obtained a spectrum at R = 800 : the strong blue continuum, narrow H alpha in emission, broad absorptions 
for the other members of Balmer lines clearly identify the object as a dwaef nova in outburst
Spectrum on ARAS forum :

http://www.spectro-aras.com/forum/viewtopic.php?f=5&t=979


Best regards,

François Teyssier


----Message d'origine----
>De: "Tonny Vanmunster" 
>A: "'Gianluca Masi'", 
>	"'ALERT, VSNET'" 
>Date: Fri, 31 Oct 2014 00:28:54 +0100
>	charset="us-ascii"
>Copie à: cba-chat at cbastro.org
>Sujet: [vsnet-alert 17913] Re: PNV J03093063+2638031:likely a dwarf nova?
>	<vsnet-alert.ooruri.kusastro.kyoto-u.ac.jp>
>	<mailto:vsnet-alert-request at ooruri.kusastro.kyoto-u.ac.jp?subject=unsubscribe>
>	<mailto:vsnet-alert-request at ooruri.kusastro.kyoto-u.ac.jp?subject=subscribe>
>
>Dear colleagues,
>
>I just concluded a time-resolved unfiltered CCD photometry session of this
>target at my new CBA Belgium Observatory, using a 14" telescope with
>STT-3200ME CCD (Paramount ME II, ScopeDome 3m). Clouds prevented me from
>continuing the run. So far, the data show a 0.05 mag 'hump', which is
>consistent with Gianluca's message below. Unfortunately, the run has not
>been sufficiently long to allow a more accurate analysis nor period
>determination. 
>
>Data will be made available to the Kyoto and CBA teams.
>
>If sky conditions improve during the course of this night, I will resume the
>session.
>
>Best regards
>Tonny
>
>www.cbabelgium.com
>www.peranso.com
>
>
>-----Original Message-----
>From: vsnet-alert-bounces at ooruri.kusastro.kyoto-u.ac.jp
>[mailto:vsnet-alert-bounces at ooruri.kusastro.kyoto-u.ac.jp] On Behalf Of
>Gianluca Masi
>Sent: donderdag 30 oktober 2014 23:44
>To: ALERT, VSNET
>Subject: [vsnet-alert 17912] PNV J03093063+2638031:likely a dwarf nova?
>
>Dear Colleagues,
>
>we performed low-res spectroscopy of this transient, remotely using the 14" 
>robotic unit part of the Virtual Telescope in Italy.
>
>300-seconds exposures were taken on 30.8125 Oct. UT, using a 100 lines/mm
>grating, with a dispersion of 34.5 angstroms/pixel: we do NOT see evidence
>of strong H-alpha emission.
>
>We also performed time-resolved photometry of the source with the same
>telescope, found at mag 11.1 (R, unfiltered), seeing a 0.05 large modulation
>(early superhumps?).
>
>Observations are ongoing.
>
>Regards
>Gianluca Masi
>Pier Luigi Catalano
>
>