Free Access

Table 1

Log of NGC 7469 Chandra observations.

Obs. Instrument/ Start Exposure
ID grating time (ks)
2956 ACIS-S/HETG 2002-12-12 13:37 78.58
3147 ACIS-S/HETG 2002-12-13 12:10 68.63
18622 ACIS-S/HETG 2015-12-27 05:46 43.31
18733 ACIS-S/HETG 2015-12-29 00:47 17.48
18734 ACIS-S/HETG 2015-12-29 20:30 29.53
18735 ACIS-S/HETG 2015-12-31 14:57 21.15
18736 ACIS-S/HETG 2016-01-01 12:56 31.01
18737 ACIS-S/HETG 2016-01-03 03:05 31.28
18623 ACIS-S/HETG 2016-01-04 21:44 36.03
18738 ACIS-S/HETG 2016-01-06 19:11 26.78

Notes. The 2002 observation (147.2 ks exposure time) is split into two parts, while the 2015 observation (236.6 ks exposure time) is split into eight parts.

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.