Re: 0235+16 radio/optical flare

["Brenda Dingus" <dingus@lanl.gov>]

Depending on the intensity MAGIC might have a chance. Also, how firm is the 
redshift for this BL Lac?
Brenda

Brenda Dingus
P-23, MS H803                          dingus@lanl.gov
Los Alamos National Lab     Phone:505-667-0400
Los Alamos, NM 87545          Fax:     505-665-4121
----- Original Message ----- 
From: "Berrie Giebels" <berrie@poly.in2p3.fr>
To: "Matthias Kadler" <mkadler@milkyway.gsfc.nasa.gov>
Cc: <AGNlist@glast.stanford.edu>; <gammamw@olegacy.gsfc.nasa.gov>
Sent: Thursday, January 25, 2007 11:18 AM
Subject: Re: 0235+16 radio/optical flare


>
>
> At z=0.94 we probably will not have to alert the VHE observatories..
>
>
> On Thu, 25 Jan 2007, Matthias Kadler wrote:
>
>> Hi everybody,
>>
>> one of "our" sources is right now having a very bright mm radio flare:
>>
>> http://sma1.sma.hawaii.edu/callist.html?plot=0238%2B166
>>
>> Claudia Raiteri from the WEBT told me that the optical state is also very 
>> high and very variable. On Sunday and Monday, Swift will observe the 
>> source for 10ksec each with the XRT and the four bluest filters of the 
>> UVOT. I have already asked Claudia to spread this among the WEBT partners 
>> but I wanted to let you know, as well. If anybody has suggestions for 
>> further complementary observations, please let me know.
>>
>> This source is a BL Lac object that is famous for various reasons: EGRET 
>> source, possible microlensing candidate, correlated multi-wavelength 
>> variability, extremely compact structure almost unresolved even at 
>> microarcsec resolution, extreme short-term radio variability indicating a 
>> Doppler factor of ~100, possible 5.7yr periodicity between main outbursts 
>> and last but not least it has become famous for skipping its latest 
>> predicted outburst in spring 2004.
>>
>> It is probably too early to say if this is now the delayed major outburst 
>> or if this flare gets stuck somewhere in the medium-amplitude mm regime. 
>> The latest data point from Jan 23 is already a bit lower than the ones 
>> from Jan 11/12. But for many years, this is certainly the most exciting 
>> event in this object.
>>
>> Matthias
>>
>> -- 
>> Dr. Matthias Kadler
>> NASA Postdoctoral Research Associate
>> Astrophysics Science Division
>> Code 662
>> NASA's Goddard Space Flight Center Greenbelt, MD 20771
>> tel: 301-286-4390
>> fax: 301-286-1684
>> e-mail: mkadler@milkyway.gsfc.nasa.gov
>>
>
> - Berrie
>