Guniibuu is a relatively faint and easily observable star within the Sco constellation. It is designated as a minor magnitude star, existing in a region relatively far from Earth, and is considered a “secondary star” in the system. Its primary location in
The distinctive characteristics of Guniibuu provide a point of recognizable familiarity in the night sky. Its placement within the Sco constellation – an arm of the Milky Way – contributes to its relative isolation within the expansive region. The fact that it is identified as a 'secondary star' within the Sco system allows it to be regarded, somewhat predictably, by astronomers observing the galactic center. Due to its smaller size and relatively low luminosity compared to other stars within its immediate vicinity, Guniibuu appears as a tiny speck of brightness, frequently requiring significant magnification for detailed observation by the human eye.
Adding a bit of cosmological context to this, when compared to stars much more brightly illuminated, it signifies that Guniibuu exists within a region of the universe that is considerably darker. The star’s long-term evolutionary fate, as described within its catalog entries and related astrophysical data, points towards an increasingly cold and diffuse environment compared to its recent historical existence. Although light-years away, Guniibuu's luminosity indicates a period where its light has traveled a significant distance before reaching its observed position, representing a snapshot of the ancient cosmos.
How to see it
Guniibuu has a visual magnitude of about 4.83: under a reasonably dark sky it is typically reachable with the unaided eye.
Sky position
Equatorial coordinates for Guniibuu: right ascension 17h 15m 20s, declination −26° 36′ 28″ (J2000), in the region of the Scorpius constellation (IAU figure Sco).
Catalog context
Guniibuu. It appears in classical and modern catalogs as Bayer/Flamsteed designation 36 Oph, HIP 84405, HD 155885, Gaia DR3 4109030160308317312. In the SkyKeepsake Scorpius (Sco) browse hub it sits with other stars of the same IAU figure.
Catalog identifiers
- Gaia
- Gaia DR3 4109030160308317312
- HIP
- 84405
- HD
- 155885
- gaia_dr3
- 4109030160308317312
- Bayer / Flamsteed
- 36 Oph
Observed properties
- Visual magnitude
- 4.83