Free Access

Table 2

Selected sample of stars and their corresponding Chandra/HETGS observation.

Chandra Obs. info Stellar properties Earth velocity ref.c



Star ObsID Obs. start Obs. stop Exp. time (ks) SpTp v phot a (km s-1) v E b (km s-1)

TW Hya (1) 7435+7436+7437 2007-02-15 2007-03-02 468.7 M0 12.4 11.8 1
TW Hya (2) 5 2000-07-18 2000-07-18 47.7 M0 12.4 − 21.3 1
AU Mic 17 2000-11-12 2000-11-12 58.8 M1 − 4.1 − 28.2 2
EV Lac (1) 1885 2001-09-19 2001-09-20 100.0 M4.5 0.5 2.7 2
EV Lac (2) 10679 2009-03-13 2009-03-14 95.6 M4.5 0.5 − 4.8 2
AD Leo 2570 2002-06-01 2002-06-01 45.2 M4.5 12.4 − 28.5 3
β Cet 974 2001-06-29 2001-07-01 86.6 K0 13.3 27.2 4
λ And 609 1999-12-17 1999-12-18 81.9 G8 7.0 − 20.2 4
ξ Uma 1894 2000-12-28 2000-12-29 70.9 F8.5+G2 − 18.2 23.7 5
24 Uma 2564+3471 2002-03-26 2002-03-30 88.9 G9 − 27.0 − 17.6 6

Notes.

(a)

Radial photospheric velocity in the heliocentric reference frame.

(b)

Radial velocity of the Earth along the line of sight, in the heliocentric reference frame, computed at the time corresponding to the middle between the start and the stop of each observation.

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.