STARITHM
Stellar flare detected from UPM J0042-5444 with flux 1.0e-10 erg/s/cm^2
AI Summary
A stellar flare was observed from the star UPM J0042-5444 on 2026-08-14, characterized by an X-ray luminosity of approximately 2.3e+31 erg/s, indicating significant astrophysical activity.
Measurements
| Event | The EP-WXT trigger 01709280562 is likely a flaring star |
|---|---|
| Event ID | 01709280562 |
| Source | Einstein Probe WXT |
| Alert type | XRAY |
| Significance | medium |
| Trigger time (UTC) | Fri, 14 Aug 2026 19:52:10 GMT |
| Right ascension (J2000) | 10.59° |
| Declination (J2000) | -54.731° |
| Position error radius | 0.05127838° (3.1′) |
| Position from | notice einstein_probe.wxt.alert |
| Net count rate | 0.05 |
| Image SNR | 7.6 |
| GCN notices | 1 |
| GCN circulars | 1 |
Notices (1)
Einstein Probe WXT — XRAY · Fri, 14 Aug 2026 19:52:10 GMT
GCN Circulars (1)
GCN-45384 — The EP-WXT trigger 01709280562 is likely a flaring star
· Sat, 15 Aug 2026 01:32:54 GMT
The EP-WXT trigger 01709280562, detected on 2026-08-14, is identified as a stellar flare from the star UPM J0042-5444. The flare had an estimated flux of 1.0 x 10^-10 erg/s/cm^2 and an X-ray luminosity of around 2.3 x 10^31 erg/s.
AI summary generated Thu, 05 Nov 2026 14:02:03 GMT.