[vsnet-alert 17663] Re: ASASSN-14fu: ultrashort-period object again?

[Ian Miller]

According to Astrometrica and the USNO-B1.0 the position of this outbursting object is

 

19 30 59.19 +51 57 35.7 (2000) +/-0.16"

 

Best Regards,

Ian.
 

> Date: Wed, 27 Aug 2014 15:08:03 +0900
> To: suuma at yahoogroups.com; variable_star_forum at yahoogroups.com; vsnet-alert at ooruri.kusastro.kyoto-u.ac.jp; vsnet-alert at yahoogroups.com; vsnet-campaign-dn at ooruri.kusastro.kyoto-u.ac.jp; vsnet-newvar at ooruri.kusastro.kyoto-u.ac.jp; vsnet-newvar at yahoogroups.com; vsnet-outburst at ooruri.kusastro.kyoto-u.ac.jp; vsnet-outburst at yahoogroups.com
> From: tkato at kusastro.kyoto-u.ac.jp
> Subject: [vsnet-alert 17662] ASASSN-14fu: ultrashort-period object again?
> 
> ASASSN-14fu: ultrashort-period object again?
> 
> We have received observations from Ian Miller,
> Osaka Kyoiku U. team and Javier Ruiz. Although superhump
> period could not be determined from early observations,
> now it has become evident that after Aug. 20 can be
> expressed by a period of 0.02572(1) d. The mean amplitude
> of this period has been 0.04 mag and the variation
> has been sufficiently coherent. Before Aug. 20,
> the preferred period was 0.0255(1) d with a mean amplitude
> of 0.03 mag. The object may be again a new EI Psc-type
> object (or less likely an AM CVn-type).
> Further observations are encouraged.
> 
> Dear Ian, could you provide astrometry of
> the outbursting object?