Dear CBAers,

This looks like an awfully interesting object, and beautifully placed in the
sky for northern observers.  Acquire in the evening, and let 'er rip!

joe

---------- Forwarded message ----------
Date: Sun, 17 Dec 2006 23:19:57 -0000
From: David Boyd <drsboyd .at. dsl.pipex.com>
Reply-To: cba-chat .at. cba.phys.columbia.edu
To: cba-chat .at. cba.phys.columbia.edu, thorsten .at. partita.dartmouth.edu
Cc: BAAVSS alert <baavss-alert .at. yahoogroups.com>,
    cba-news <cba-news .at. cba.phys.columbia.edu>,
    cvnet-outburst .at. yahoogroups.com
Subject: (cba:chat) Re: (cba:news) Suspected New Dwarf Nova in Cam

Using Astrometrica and USNO-B1.0 I've obtained the following mean position
(with std errors) from 5 of my images taken on 2006 Dec 17 between 18.42 and
18.47UT.

RA 5:57:18.468 ±0.003    Dec 68:32:27.01±0.02

Regards,
David Boyd

----- Original Message -----
From: <thorsten .at. partita.dartmouth.edu>
To: <cba-chat .at. cba.phys.columbia.edu>
Cc: "BAAVSS alert" <baavss-alert .at. yahoogroups.com>; "cba-news"
<cba-news .at. cba.phys.columbia.edu>; 
<cvnet-outburst .at. yahoogroups.com>
Sent: Sunday, December 17, 2006 10:13 PM
Subject: Re: (cba:news) Suspected New Dwarf Nova in Cam

> Hello all,
> 
> Just a remark -- it would be useful if someone could do astrometry
> on an outburst image, so that the quiescent counterpart can be
> identified with confidence once the object fades.  I may be able
> to get some large-telescope images in January to accomplish this.
> 
> John Thorstensen
> 
> On Sun, 17 Dec 2006, David Boyd wrote:
> 
> > I was able to observe this object for 2hrs using unfiltered CCD
> > photometry on a 0.35m SCT before clouds intervened. It showed
> > superhump-like modulations with an amplitude of 0.2 magnitudes and a
> > period, according to Peranso, of 0.052+/-0.007days. The mean magnitude
> > was approx 14.85. It appears to be another UGSU type dwarf nova.
> > 
> > Regards,
> > David Boyd
> > West Challow, UK
> > 
> >   ----- Original Message -----
> >   From: sn2005cs
> >   To: cvnet-outburst .at. yahoogroups.com
> >   Sent: Sunday, December 17, 2006 6:31 PM
> >   Subject: [cvnet-outburst] Fwd: Suspect on New Dwarf Nova
> > 
> >   ----------------------------------------------------------
> > 
> >   Dear colleagues,
> > 
> >   I obtained V and B magnitudes of this object as follows:
> > 
> >   object YYYYMMDD(UT) mag code
> >   OT_J055718++683226 20061217.62573 14.95V Mhh.VSOLJ
> >   OT_J055718++683226 20061217.62839 15.11B Mhh.VSOLJ
> > 
> >   A USNO B1 star is located close to this object:
> >   USNO-B1.0 1585-0088462 RA=05 57 18.45 Dec=+68 32 26.9 B1=19.04
> >   R1=19.23
> > 
> >   A ROSAT X-ray source 1RXS J055722.9+683219 is located at about
> >   0.4 arcmin east from this object.
> > 
> >   This object seems to be a new dwarf nova.
> > 
> >   Regards,
> >   Hiroyuki Maehara
> > 
> >   ----------------------------------------------------------
> > 
> >   Dear Wolfgang Kloehr,
> > 
> >   I have taken 60 s exposures (in Ic band) with the 14 inch telescope
> >   and confirmed the presence of the object.
> > 
> >   As you note, the faint counterpart seems to be present in the DSS2
> >   red.
> > 
> >   Regards,
> >   Ken'ichi Torii
> > 
> >   ----------------------------------------------------------
> > 
> >   >> Dear List,
> >   >>
> >   >> i'd like to report a possible new object ~Mag 15.2CR at Ra.:
> >   >> 05:57:18 Dec.: +68 :32 :26 from 2006-12-16 03:54:58 UT.
> >   >> Image and data are here:
> >   >> http://www.dsi-astronomie.de/New%20object%20near%20ugc3379.htm
> >   >> Image form 2006-12-16 is a composite of 7 images a 21sec at F6.3.
> >   >> Object is visible on all.
> >   >> The weak pregnator object GSC2.2 N31020007187 is of class 3 = non
> >   >> star.
> >   >> http://vizier.u-strasbg.fr/viz-bin/VizieR-5?-info=XML&-out.add=.&-
> >   >> source=I/271/out&GSC2.2===N31020007187
> >   >> Till now i only have this image and i would like to ask wether
> >   >> there is someone who can take a confirmation of this. The weather 
> >   >> there will be bad the next days.
> >   >> No known minor plantes around this position at this time.
> >   >> No known variables in GCVS / VSX at this position.
> >   >>
> >   >> thanks for your help
> >   >>
> >   >> regards
> >   >> Wolfgang Kloehr