research
A Young Sun Analog Flared 26 Times in 11 Hours
Hubble recorded far-ultraviolet events lasting 90–960 seconds with energies up to about 10³¹ ergs.
Summary
Hubble recorded far-ultraviolet events lasting 90–960 seconds with energies up to about 10³¹ ergs.
Hubble observations of the 45-million-year-old star DS Tuc A found 26 far-ultraviolet flares during 11.1 hours. Durations ranged from 90 to 960 seconds and observed-band energies from about 10²⁹ to 10³¹ ergs. The activity constrains radiation environments around young solar analogs and the transiting planet DS Tuc Ab; scaled X-ray and bolometric values remain model-derived.
Why it matters
Hubble recorded far-ultraviolet events lasting 90–960 seconds with energies up to about 10³¹ ergs.
Limits and context
- The activity constrains radiation environments around young solar analogs and the transiting planet DS Tuc Ab; scaled X-ray and bolometric values remain model-derived.
Key claims
Hubble recorded far-ultraviolet events lasting 90–960 seconds with energies up to about 10³¹ ergs.
Qualification: The activity constrains radiation environments around young solar analogs and the transiting planet DS Tuc Ab; scaled X-ray and bolometric values remain model-derived.
Evidence: source-2026-09-17-019
Sources
- arXiv preprint 2609.17683arXiv · primary research
Corrections
No corrections have been recorded for this story.