Swift CALDB updated (13 Jan 2021)
The Swift SC caldb has been updated (update version 20210113) to updated the clock correction file to v140 ...
Swift and NICER Show that the X-ray Outburst of Cen X-4 has Ended (13 Jan 2021)
Observations with NICER and Swift, along with ground-based observations, suggest that the Cen X-4 has returned to quiescence
Hera and WebSpec short downtime on Wednesday, January 13th, 2:00pm EST (19:00 UTC) (11 Jan 2021)
Hera and WebSpec will stop working at around 2:00pm EST (19:00
UTC) on Wednesday, January 13th, in order for the HEASARC to update some
infrastructure. The downtime could last up to an hour.
Swift and NICER Indicate a Rare X-ray Outburst of Cen X-4 (06 Jan 2021)
Following indications from ground-based observations, X-ray observations by Swift and NICER show a sudden X-ray brightening of the nearby low-mass X-ray binary Cen X-4, suggesting the onset of a rare X-ray outburst
NuSTAR Cycle 7 Due Date January 29, 2021 (5 Jan 2021)
Phase-1 science proposals are due by 4:30 p.m. EST, January 29, 2021. Please see the
Guide for Proposers and the
Guidelines for Anonymous Proposals for more details.
NuSTAR Caldb Update (05 Jan 2021)
The NuSTAR FPM caldb has been updated to version 20210104. This release includes a new clock correction file, v114. Please see the release notes for more details.