Struve 2398 B: a remarkably stable variable star, nestled comfortably within the constellation Dra. It’s an orange-white dwarf, known for its consistent brightness and longevity. The star appears to have a relatively low inclination—approximately 28 degre
This star’s recognition is rooted in its position within the Dra constellation, a comparatively diffuse region of stars that has long attracted focused observation. Its characteristics suggest a lifespan considerably longer than many other stars of comparable magnitude and distance. The observable area it occupies within Dra’s boundaries allows for relatively clear observation across the galactic plane.
It has been distinguished as a member of the Dra constellation with a visual magnitude of just 7.854. This value represents the overall luminosity of the star, which is lower than many other stars within the area. Its precise proper motion, recorded as -1312 mas/year, indicates a relatively slow movement across the celestial sphere, emphasizing its steadiness and stability over long periods. This relatively fixed position, while not unusual amongst stars of its designation, remains noteworthy.
Considering a symbolic dedication, this star could symbolize constancy and enduring presence. The designation suggests a degree of steadfastness, representing the idea of enduring resilience, and potentially the quiet strength of observing the vastness of space. It offers a point of familiarity amidst the immensity of the cosmos.
How to see it
Struve 2398 B has a visual magnitude of about 7.85: it usually needs binoculars or a small telescope, especially from light-polluted sites.
Sky position
Equatorial coordinates for Struve 2398 B: right ascension 18h 42m 44s, declination +59° 38′ 18″ (J2000), in the region of the Draco constellation (IAU figure Dra).
Catalog context
Struve 2398 B. It appears in classical and modern catalogs as HIP 91772, HD 173740, Gaia DR3 2154880616774131840. In the SkyKeepsake Draco (Dra) browse hub it sits with other stars of the same IAU figure.
Catalog identifiers
- Gaia
- Gaia DR3 2154880616774131840
- HIP
- 91772
- HD
- 173740
- gaia_dr3
- 2154880616774131840
Also known as
- Gaia DR3 TOP 5M 2154880616774131840
- Gl 725B
- HD 173740
- HIP 91772
Observed properties
- Visual magnitude
- 7.85