Xuange is a significant star in the Boo constellation, cataloged as a relatively distant and cool dwarf. Measuring approximately 4.17 magnitude, Xuange sits within the habitable zone of the Milky Way. It has been observed to have a Parallax reading of 32.
Xuange has quickly established a unique, relatively stable spectral type of G2, which suggests it emits primarily yellow light. Its brightness, a magnitude of 4.169, places it in a fairly unremarkable category among relatively bright stars. It exhibits significant radial velocity variations, changing approximately 187.7 mas per year – meaning it moves a bit ever so slightly against the direction of its motion – an important factor in determining its orbital properties. Considering its position within the Boo constellation, it possesses a particular alignment, making for an unusual visual perspective, likely influenced by Earth’s orbit in its immediate vicinity.
Within the context of stellar evolution, Xuange likely represents an early star in its formative stage. Due to its small size and low luminosity, it doesn’t exhibit significant evidence of red giant instability, which would make a star substantially more active than Xuange. Its stability and location within a relatively young stellar population suggest a long-lived and safe environment. Its precise orbit within the Boo constellation indicates a historical and potentially repeating cycle of stellar activity.
How to see it
Xuange has a visual magnitude of about 4.17: under a reasonably dark sky it is typically reachable with the unaided eye.
Sky position
Equatorial coordinates for Xuange: right ascension 14h 16m 23s, declination +46° 5′ 20″ (J2000), in the region of the Boötes constellation (IAU figure Boo).
Catalog context
Xuange. It appears in classical and modern catalogs as Bayer/Flamsteed designation 19Lam Boo, HIP 69732, HD 125162, Gaia DR3 1505311446553172992. In the SkyKeepsake Boötes (Boo) browse hub it sits with other stars of the same IAU figure.
Catalog identifiers
- Gaia
- Gaia DR3 1505311446553172992
- HIP
- 69732
- HD
- 125162
- gaia_dr3
- 1505311446553172992
- Bayer / Flamsteed
- 19Lam Boo
Also known as
- 19Lam Boo
- GJ 3837
- Gaia DR3 TOP 5M 1505311446553172992
- HD 125162
- HIP 69732
Observed properties
- Visual magnitude
- 4.17