(cba:news) Fwd: Re: (cba:chat) MAXIE J1820+070 paper

Joe Patterson jp42 at columbia.edu
Sat Aug 10 16:14:11 EDT 2019


Hi CBAers,

Joe and Josch are at it again... and Maxie is at it again, at least to 
some degree.  That means it's back to the sky's highest priority.  
Seasonally appropriate for long runs, and dec-appropriate for all 
observers (who can handle 16.6).  HIgh time resolution not needed; 60-90 
s is just fine.

See if you nail it tonight and report quickly; it would be good to get 
the X-ray telescopes going if this is sustained. (Though they may 
already be observing it, since they all fell in love with this star last 
year.)

joe p



-------- Forwarded Message --------
Subject: 	Re: (cba:chat) MAXIE J1820+070 paper
Date: 	Sat, 10 Aug 2019 13:50:28 -0500
From: 	Joe Ulowetz <joe700a at gmail.com>
Reply-To: 	cba-chat at cbastro.org
To: 	cba-chat at cbastro.org



I can confirm that I also measured Maxie at mag 16.658 (V band) last 
night, which is about 1.5 magnitudes brighter than normal lately.

-Joe U.


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On Sat, Aug 10, 2019 at 7:55 AM Josch Hambsch <hambsch at telenet.be 
<mailto:hambsch at telenet.be>> wrote:

    Joe,

    I may have access to a larger telescope, though I do not yet know
    for how long.
    Would it make sense to go for time series for MAXIE?
    I have observed it last night at mag 16.8 (V band) and based on the
    AAVSO data there seems to be a tendency of an increase from the dip
    around mag 18.5 a few nights ago (around begin of August).

    Josch
    -----Original Message-----
    From: cba-chat [mailto:cba-chat-bounces at cbastro.org
    <mailto:cba-chat-bounces at cbastro.org>] On Behalf Of Joe Patterson
    Sent: Donnerstag, 8. August 2019 00:26
    To: cba-chat at cbastro.org <mailto:cba-chat at cbastro.org>
    Subject: Re: (cba:chat) MAXIE J1820+070 paper

    Absolutely!  The one thing holding us up was the knowledge of Porb
    (which reveals q through the venerable epsilon (q) relation.  Time
    to finish it now

    .joe

    On 8/7/2019 3:32 PM, Josch Hambsch wrote:
     >
     > Maybe of interest:
     >
     > https://arxiv.org/pdf/1907.00938.pdf
     >
     > Will there be one from CBA in the near future?
     >
     > Regards,
     >
     > Grüße,
     >
     > Groeten,
     >
     > Josch
     >
     > MPC code: G39
     >
     >
     >
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