PERIODIC ACCRETION INSTABILITIES IN THE PROTOSTAR L1634 IRS 7

@article{Hodapp2015PERIODICAI,
  title={PERIODIC ACCRETION INSTABILITIES IN THE PROTOSTAR L1634 IRS 7},
  author={Klaus W. Hodapp and Rolf Chini},
  journal={The Astrophysical Journal},
  year={2015},
  volume={813}
}
The small molecular cloud Lynds 1634 contains at least three outflow sources. We found one of these, IRS 7, to be variable with a period of 37.14 ± 0.04 days and an amplitude of approximately 2 mag in the Ks band. The light curve consists of a quiescent phase with little or no variation, and a rapid outburst phase. During the outburst phase, the rapid variation in brightness generates light echoes that propagate into the surrounding molecular cloud, allowing a measurement of the distance to IRS… 

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