BP Tauri
BP Tauri is a young T Tauri star in the constellation of Taurus about away, belonging to the Taurus Molecular Cloud. Properties BP Tauri is still accreting mass at the low rate of and /year, as evidenced by X-rays produced by infalling matter, and may be still in the process of spin-up. Its chromospheric magnetic fields are rather strong at 2.5 kilogauss, and contains strong non-dipole components. The star is producing 40% of its luminosity via the energy released by accretion. Suspected companions There were two suspected stellar companions to BP Tauri on projected separations 3.00 and . These were proven to be a background stars not related to BP Tauri with Gaia data though. Protoplanetary system The star is surrounded by a protoplanetary disk. The disk is strongly depleted in carbon and carbon monoxide. Variability BP Tauri varies in brightness, producing a strong flares due to unsteady accretion held by stellar magnetic field. The lightcurve period is variable from 6.1 to 7.6 days, and quiescent periods without variability are also known. References T Tauri stars Circumstellar disks Taurus (constellation) 281934 020160 J04191583+2906269 Tauri, BP K-type stars