[vsnet-chat 772] Markarian 421 campaign

[Katsura Matsumoto <katsura>]

Dear VSNETers,

According to e-mail from John Mattox, an observational campaign of 
Markarian 421 will be made during 7-days from April 23. I would like 
to inform you the campaign. This campaign is coordinated with ASCA 
observation of the object. In addition, RXTE, EUVE, and BeppoSAX will 
join to the campaign. 

Following is the forwarded mail about this campaign from Mattox:

> Dear Optical Observer,
> 
> As most of you know,
> an intensive Markarian 421 campaign is planned with 7 1/2 days of continuous 
> ASCA observation to begin on April 23. There will also be TeV gamma-ray, RXTE
> EUVE, and SAX exposure during this campaign. The WEBT Collaboration is 
> preparing to obtain continuous optical coverage during this interval. More 
> information is at http://gamma.bu.edu/webt/mrk421.html

Regards,

Katsura Matsumoto (Kyoto University, Japan)

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