[vsnet-alert 8804] Re: Fw: AAVSO Special Notice #2: Possible NewNova/Dwarf Nova in Cet

P. Clay Sherrod drclay at arksky.org
Mon Jan 23 07:19:08 JST 2006


Is there a preliminary chart available on this object?

Dr. Clay
--------------------
Arkansas Sky Observatories
Harvard MPC H41 (Petit Jean Mountain)
Harvard MPC H45 (Petit Jean Mountain South)
Harvard MPC H43 (Conway)
Harvard MPC H44 (Cascade Mountain)
http://www.arksky.org/


----- Original Message ----- 
From: "Daisaku NOGAMI" <nogami at kwasan.kyoto-u.ac.jp>
To: <vsnet-alert at ooruri.kusastro.kyoto-u.ac.jp>;
<vsnet-campaign at ooruri.kusastro.kyoto-u.ac.jp>
Sent: Sunday, January 22, 2006 9:07 AM
Subject: [vsnet-alert 8802] Fw: AAVSO Special Notice #2: Possible NewNova/Dwarf
Nova in Cet


> Dear colleagues,
>
> The following information regarding the coordinates and
> comparison stars of ASAS 023322-1047.0 was distributed
> by AAVSO.  If the object is identical with the USNO B1.0
> star below, the outburst amplitude is 6-7 magnitude or
> more.  And this star is located far from the galactic
> plane.  This outbursting star is thus probably a dwarf
> nova with a large amplitude.
>
> We strongly encourage spectroscopy for classification
> of nova/dwarf nova and time-resolved photometry for
> (early) superhump observation!
>
> Best regards,
> Daisaku Nogami
> VSNET Collaboration Team
>
> Begin forwarded message:
>
> Date: Sat, 21 Jan 2006 20:31:58 -0500
> From: aavso at aavso.org
> To: nogami at kwasan.kyoto-u.ac.jp
> Subject: AAVSO Special Notice #2: Possible New Nova/Dwarf Nova in Cet
>
>
>         AAVSO Special Notice #2 (January 21, 2006)
>            Possible New Nova/Dwarf Nova in Cet
>
>    Bogumil Pilecki, Warsaw University Astronomical Observatory,
> reports on a possible new nova or dwarf nova discovered by the
> ASAS3V instrument. The previously unobserved object was first
> detected by ASAS3V at RA = 02h 33m 22s DEC = -10d 47'.0
> (assumed J2000) on Jan 20.121 UT at magnitude 12.08 in V.
>
>    The new object has been confirmed by the following AAVSO CCD
> observations:
>
>  Jan 21.779  12.58 Err: 0.02  V      David Boyd         England
>  Jan 21.9136 13.18 Err: N/A   Clear? Diego Rodriguez    Spain
>  Jan 21.96   12.5  Err: N/A   V      Cristovao Jacques  Brazil
>
>    Pilecki reports that one star is located close to this position
> in the USNOB catalog:
>
> #          id|           RA|          DEC|     B1|     R1|     B2|
> 0792-0024872 02:33:21.3620 -10:47:04.940  18.180  18.620  19.340 19.15
>
>   ASAS3V Light curve and images can be found at the following URL:
> http://www.astrouw.edu.pl/cgi-asas/asas_disc/023322-1047.0,3754
>
>   Bruce Sumner has put together the following comparison stars
> based on ASAS3V photometry. An AAVSO chart will be released
> tomorrow. If you observe before the chart is available please
> use these stars.
>
>  02h33m00.434s -10 41' 31.48"   12.05  0.06
>  02h33m20.870s -10 41' 27.56"   13.09  0.10
>  02h33m26.311s -10 49' 09.44"   13.34  0.12
>  02h33m14.452s -10 50' 34.36"   13.72  0.17
>
>  Visual observations are requested to monitor the object. Time
> series CCD observations are requested to look for superhumps
> and other behavior associated with dwarf novae. CCD B and V
> observations are requested to look for color. Spectroscopic
> observations would also help to determine the star's type.
>
>   Until a more formal designation is assigned, submit data to
> the AAVSO as "ASAS023322" with a designation of 9999+99.
>
>   This special notice was compiled by: A. Price.
>
>



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