K2-99: a subgiant hosting a transiting warm Jupiter in an eccentric orbit and a long-period companion

A. M. S. Smith, D. Gandolfi, O. Barragán +30

We report the discovery from K2 of a transiting planet in an 18.25-d, eccentric (0.19$\pm$ 0.04) orbit around K2-99, an 11th magnitude subgiant in Virgo. We confirm the planetary n…