We study the photometric variability of a pre-main sequence star (K6, 0.9M?) CHXR 20. We test several scenarios for the variability including variable accretion, variable extinction, cool and hot spots on the stellar surface and the presence of a potential companion.
|Number of pages||2|
|Journal||Proceedings of the International Astronomical Union|
|Publication status||Published - 6 Jan 2014|
- stars: activity stars: pre-main sequence stars: spots stars: planetary systems: protoplanetary disks