What kind of object can this be?

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Affiliation
American Association of Variable Star Observers (AAVSO)
Wed, 06/27/2018 - 00:55

Help me to understand. I can not define an object.

There is an x-ray. 1RXS J201152.5+541947.

J-K= 0.73, B-V= 1.17

 

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Affiliation
American Association of Variable Star Observers (AAVSO)
Hi mishnik,

Hi mishnik,

Very interesting case. I would go for ROT variability, as many 1RXS stars are very active and present variability due to surface changes.

Regards,

Gabriel Murawski