Free Access

Table 2

Multiple X-ray detection reports in the literature for stars hosting transiting planets.

Star log (LX [erg   s-1] )

Hünsch et al. Kashyap et al. Sanz-Forcada et al. Poppenhaeger et al. Pillitteri et al.
(1999) (2008) (2010, 2011) (2010) (2010)

HD 189733 28.44a 28.43 ± 0.01a 28.18b 28.26 ± 0.12b 27.72b−28.29b
HD 209458 27.02 ± 0.20b  <26.40b
GJ 436 26.85a 27.16 ± 0.19a 25.96b 27.16 ± 0.34a

Notes. 

(a)

Rosat/PSPC.

(b)

XMM-Newton/EPIC.

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.