[vsnet-alert 12145] Re: OT_J234440.5-001206 = MLS transient

[Josch Hambsch]

Dear all,

I have also switched to this star last night from Belgium after I saw the 
alert and observed during nearly 5h. Two clear superhumps are catched with 
about 0.2 mag amplitude.

Regards,

Josch

http://www.astronomie.be/hambsch
----- Original Message ----- 
From: "Gianluca Masi" <gianluca at bellatrixobservatory.org>
To: "Taichi Kato" <tkato at kusastro.kyoto-u.ac.jp>
Cc: <vsnet-alert at ooruri.kusastro.kyoto-u.ac.jp>; 
<vsnet-outburst at ooruri.kusastro.kyoto-u.ac.jp>; 
<vsnet-outburst at yahoogroups.com>; <vsnet-newvar at yahoogroups.com>; 
<variable_star_forum at yahoogroups.com>; 
<vsnet-campaign-dn at ooruri.kusastro.kyoto-u.ac.jp>; 
<vsnet-alert at yahoogroups.com>; <vsnet-newvar at ooruri.kusastro.kyoto-u.ac.jp>
Sent: Sunday, September 05, 2010 5:58 AM
Subject: [vsnet-alert 12144] Re: OT_J234440.5-001206 = MLS transient


> Dear Colleagues,
>
> after a run 2.8 hours long I can conclude this is a new SU UMa star. I 
> estimated the Psh= 1.93 hours, while the amplitude is of about 0.2 
> magnitudes.
>
> Data have been sent to Kyoto for further analysis.
>
> Best,
> Gianluca
>
> Gianluca Masi ha scritto:
>> Dear Colleagues,
>>
>> as soon as I received this alert, I slewed my robotic system to this 
>> transient, starting time resolved photometry.
>>
>> After 1.6 hours, I see a clear evidence of superhumps, with an amplitude 
>> of 0.3 mags and a period around 2 hours (estimated by eye!).
>>
>> So, this star seems to be a SU UMa star.
>>
>> Regards,
>> Gianluca
>>
>> Taichi Kato ha scritto:
>>> OT_J234440.5-001206 = MLS transient
>>>
>>>    Forwarded message:
>>>    (The CRTS event identifier is MLS100904:234441-001206)
>>>
>>> From: Patrick Wils <patrickwils at yahoo.com>
>>> Subject: [cvnet-outburst] Mount Lemmon CRTS Transient
>>>
>>> The Mount Lemmon CRTS survey found a relatively bright transient at mag 
>>> 14.3, position 23 44 40.54 -00 12 05.8.  It is mag 21 in its faint state 
>>> according to SDSS, 20-20.5 according to CRTS.  This is very likely a 
>>> previously unknown dwarf nova.  Details can be found here: 
>>> <http://www.skyalert.org/events/15318/>. Patrick
>>>
>>>
>>> __________ Informazione NOD32 5423 (20100904) __________
>>>
>>> Questo messaggio  è stato controllato dal Sistema Antivirus NOD32
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>>>
>>>
>>>
>>