GBM Accreting Pulsar Histories

For each source we plot the history of pulse frequency and pulsed flux measured using the Fermi Gamma-Ray Burst Monitor (GBM) NaI detectors. For these measurements we use the CTIME data which normally has 0.256 s time bins, and eight energy channels. Our analysis normally uses channels 1 (12-25 keV) and 2 (25-50 keV). The integration interval used varies from source to source, ranging from one to four days. For eclipsing systems each egress to ingress interval is divided into an integral number of equal parts, with no measurement made during the eclipse. The measured frequencies are barycentered. For sources where the binary orbit is known, the frequencies are corrected for the binary motion. The R.M.S. pulsed flux is given in the energy band in which the pulse search was made.

Data and Resources

Additional Info

Field Value
Maintainer Stephen Elrod
Last Updated April 23, 2025, 22:54 (UTC)
Created March 31, 2025, 21:40 (UTC)
accessLevel public
accrualPeriodicity irregular
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harvest_source_title DNG Legacy Data
identifier NASA-0000233
issued 2018-06-25
landingPage https://data.nasa.gov/dataset/gbm-accreting-pulsar-histories
modified 2020-01-29
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publisher National Aeronautics and Space Administration
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