Its story
The unique characteristics of Illyrian are intrinsically linked to its long-term trajectory and stellar evolution. The star’s prominent elliptical shape, combined with its low luminosity, has been frequently observed as an example of a Cepheus variable star. Though lacking any specific spectral characteristics beyond its general colour, Illyrian emits light primarily in the yellowish-white range, similar to our sun. It is a valuable target for understanding stellar evolution and, in particular, the impact of long-term orbital dynamics, presenting a captivating example of a visually timeless world in the night sky.
This star is a classic example of a variable star – one that slowly undergoes shifts in its position across the sky's temporal plane, a defining trait visible to the naked eye over immense distances and periods of time. While not a dramatic or exotic star, its existence highlights a measurable feature of stellar behaviour throughout its lifespan – that its light source is slowly changing. Observations of Illyrian confirm that, with a duration of over 300 years in the observation timeframe of its light, it presents a remarkable demonstration of the longevity of stellar cycles and the ever-changing nature of celestial bodies.
- Right ascension
- 9h 35m 45s
- Declination
- +34° 46′ 50″
- Magnitude
- 7.39
- Distance
- ≈ 413 ly