Serendipitous alerts
ABOUT
Welcome to the XMM-Newton serendipitously detected X-ray transient alerts page. You will find the latest transients to be detected by chance in the EPIC field of view, and for which the PI has given prior accord for this information to be made public. Please feel free to follow-up on any of these sources.
LATEST ALERTS
27
jul
2025
Coordinates: |
14:12:35.6 -03:09:10.7 |
|---|---|
| Time: | 04:19:20 |
| Exposure time: | 53531 s |
| Position Error: | 0.36" |
| Flux: | 2.4e-13 ± 2.4e-14 erg cm2 s-1 |
| EPIC detection maximum likelihood: | 1289.5 |
| Hardness ratio: | 0.57 |
| Long term variability: | 5.0 |
| Simbad: | Galaxy (XBS J141235.8-030909) |
| Spectral warning: | False |
| Alert type: | Past Variability |
27
jul
2025
Coordinates: |
14:12:49.6 -03:07:22.1 |
|---|---|
| Time: | 04:19:20 |
| Exposure time: | 53531 s |
| Position Error: | 0.54" |
| Flux: | 7.0e-14 ± 1.2e-14 erg cm2 s-1 |
| EPIC detection maximum likelihood: | 320.5 |
| Hardness ratio: | 0.53 |
| Long term variability: | 6.6 |
| Simbad: | Unknown (2XMM J141249.6-030721) |
| Spectral warning: | True |
| Alert type: | Past Variability |
27
jul
2025
Coordinates: |
14:13:14.9 -03:12:28.0 |
|---|---|
| Time: | 04:19:20 |
| Exposure time: | 53531 s |
| Position Error: | 0.01" |
| Flux: | 6.8e-11 ± 1.2e-13 erg cm2 s-1 |
| EPIC detection maximum likelihood: | 3018006.0 |
| Hardness ratio: | 0.92 |
| Long term variability: | 10.8 |
| Simbad: | Galaxy (NGC 5506) |
| Spectral warning: | True |
| Alert type: | Past Variability |
24
jul
2025
Coordinates: |
13:58:09.9 -64:44:05.8 |
|---|---|
| Time: | 17:24:32 |
| Exposure time: | 5119 s |
| Position Error: | 0.54" |
| Flux: | 2.9e-13 ± 2.9e-14 erg cm2 s-1 |
| EPIC detection maximum likelihood: | 570.3 |
| Hardness ratio: | 0.71 |
| Long term variability: | 1082.9 |
| Simbad: | Unknown (V* BW Cir) |
| Spectral warning: | False |
| Alert type: | Past Variability |
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