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We present the first detections by the NASA K2 Mission of oscillations insolar-type stars, using short-cadence data collected during K2 Campaign\,1(C1). We understand the asteroseismic detection thresholds for C1-like levelsof photometric performance, and we can detect oscillations in subgiants havingdominant oscillation frequencies around $1000\,\rm \mu Hz$. Changes to theoperation of the fine-guidance sensors are expected to give significantimprovements in the high-frequency performance from C3 onwards. A reduction inthe excess high-frequency noise by a factor of two-and-a-half in amplitudewould bring main-sequence stars with dominant oscillation frequencies as highas ${\simeq 2500}\,\rm \mu Hz$ into play as potential asteroseismic targets forK2.

Asteroseismology of solar-type stars with K2