2024RAA....24j4005Q

Query : 2024RAA....24j4005Q

2024RAA....24j4005Q - Research in Astron. and astroph., 24, part no 10, 4005 (2024/October-0)

In-flight Energy Calibration of the GECAM Gamma-ray Detectors.

QIAO R., GUO D.-Y., PENG W.-X., ZHANG Y.-Q., XIAO S., XIONG S.-L., ZHENG C., LI C.-Y., LIU J.-C., XUE W.-C., HE J.-J., AN Z.-H., ZHANG D.-L., LI X.-Q., SONG L.-M., ZHENG S.-J., GONG K., LIU Y.-Q., SONG X.-Y., ZHAO X.-Y., WEN X.-Y., XU Y.-B., MA X., LI X.-B., WANG P., HUANG Y., CAI C., YI Q.-B., ZHAO Y. and WANG C.-W.

Abstract (from CDS):

The Gravitational wave high-energy Electromagnetic Counterpart All-sky Monitor (GECAM) mission is designed to monitor the Gamma-Ray Bursts (GRBs) associated with gravitational waves and other high-energy transient sources. The mission consists of two microsatellites which are planned to operate at the opposite sides of the Earth. Each GECAM satellite could detect and localize GRBs in about 8 keV-5 MeV with its 25 Gamma-Ray Detectors (GRDs). In this work, we report the in-flight energy calibration of GRDs using the characteristic gamma-ray lines in the background spectra, and show their performance evolution during the commissioning phase. Besides, a preliminary cross-calibration of energy response with Fermi GBM data is also presented, validating the energy response of GRDs.

Journal keyword(s): (stars:) gamma-ray burst: general - instrumentation: detectors - methods: data analysis

Simbad objects: 4

Full paper

View the references in ADS

Number of rows : 4

N	Identifier	Otype	ICRS (J2000) RA	ICRS (J2000) DEC	Sp type	#ref 1850 - 2026
1	GRB 210514A	gB	00 11 50.84	-21 53 40.3	~	20
2	GrW 170817	GWE	13 09 48.0850	-23 22 53.343	~	2683
3	GRB 210121A	gB	~	~	~	14
4	GRB 210511B	gB	~	~	~	17

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