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MQ Cas flash

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mishnik
mishnik's picture
MQ Cas flash

OBJECT  |    DATE(UT)    |  MAG   | MAGERR| FILTER | COMMENT
MQ Cas   |  20190805.94  | 11.89   |     0.02     |      V      | flash

MQ Cas flashed. In the AAVSO database there are no observations during the outbreak in the filter "V". If anyone wants can make observations.

 

FJQ
FJQ's picture
MQ Cas

To:  Nikolay,

Here are some observations I took of MQ Cas per your suggestion:

I uploaded these 560 BVI standard (corrected) magnitude estimates into the AASVO database yesterday.

I also took some spectra of it from Mt. Pinos with my Alpy600 and LISA-IR spectroscopes:

some interesting absorption lines towards the blue end. Its a nice pulsating variable that looks like it has a semi-regular period of approximetly 25-60 or more days.  I'll take more photometry until this passes my meridian at twilight; probably til' Jan2020.

James

pox
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mq cas

MQ Cas isn't a pulsator, it's an UXOR. On your lightcurve you can see the characteristic lessening of B-V following minimal phases, produced by scattering off the circumstellar material.

mishnik
mishnik's picture
Thanks. Interesting results.

Thanks. Interesting results.

 

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