Publication Type:
Periodical
Source(s):
Astronomy and Astrophysics; November 2009, Vol. 507 Issue: 2 p881-889, 9p
Abstract:
Aims. EX?Lupi is the prototype of EXors, a subclass of low-mass pre-main sequence stars whose episodic eruptions are attributed to temporarily increased accretion. In quiescence the optical and near-infrared properties of EX?Lup cannot be distinguished...