XRISM xtend observation 300028010

Object

Circinus_X-1

Abstract

The peculiar X-ray binary Circinus X-1 hosts a weakly magnetized neutron star and B5-A0 supergiant. Discovery of a natal supernova remnant makes Circinus X-1 the youngest X-ray binary hosting a neutron star in our Galaxy. Around the periastron passage

Summary of xrismmastr

      obsid   = 300028010 / Unique Observation/Sequence Number
      object  = Circinus_X-1 / Object name
      pi_name = Collaboration XRISM / Proposal Principal Investigator Name
      ra  = 230.17057153652 / Right Ascension (Pointing Position) (deg)
      dec = -57.1664748851418 / Declination (Pointing Position) (deg)
      roll_angle = 103.993381183015 / Roll Angle (deg)
      start_time = 2024-02-15T06:19:04 / Start Time of the Observation
      stop_time  = 2024-02-16T00:51:04 / Stop Time of the Observation
      exposure   = 34877.7812499 / Effective Total Observation Exposure (s)
      public_date= 2099-12-31 / Public Date

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