Abstract
The recent INTEGRAL observations of the Galactic Plane (PI: A. Bazzano), between 2022-10-31T21:34:57 and 2022-11-01T10:56:32 (revolution 2566) for 43 ks, detected X-ray activities from two high mass X-ray binary transients IGR J11435-6109 and 1E 1145.1-6141 in the JEM-X field of view. Both sources are well observed in the 3-10 and 10-25 keV energy bands.
Intensities of 10+/-1 and 11+/-3 mCrab are estimated for IGR J11435-6109 in the above soft and hard X-ray bands, respectively. The corresponding intensities for 1E 1145.1-6141 are 11+/-1 and 11+/-3 mCrab.
JEM-X covered the same field during INTEGRAL revolutions 2549 (2022-09-16) and 2555 (2022-09-30 and 2022-10-02). The non-detection of both sources (with 3-sigma upper limits of about 2 mCrab and 5 mCrab in 3-10 keV and 10-25 keV, respectively) in these earlier scans indicates ongoing X-ray activities from IGR J11435-6109 and 1E 1145.1-6141.
Follow-up X-ray observations are encouraged.
Intensities of 10+/-1 and 11+/-3 mCrab are estimated for IGR J11435-6109 in the above soft and hard X-ray bands, respectively. The corresponding intensities for 1E 1145.1-6141 are 11+/-1 and 11+/-3 mCrab.
JEM-X covered the same field during INTEGRAL revolutions 2549 (2022-09-16) and 2555 (2022-09-30 and 2022-10-02). The non-detection of both sources (with 3-sigma upper limits of about 2 mCrab and 5 mCrab in 3-10 keV and 10-25 keV, respectively) in these earlier scans indicates ongoing X-ray activities from IGR J11435-6109 and 1E 1145.1-6141.
Follow-up X-ray observations are encouraged.
| Original language | English |
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| Publication date | 3 Nov 2022 |
| Publication status | Published - 3 Nov 2022 |
| Series | The Astronomer's telegram |
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| Number | ATel #15741 |
Keywords
- X-ray
- Transient
- Pulsar