Circinus_X-1
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
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