Rasalgethi, a captivating star within the constellation Her, is noteworthy for its precise designation and exceptional visual characteristics. This relatively small, orange dwarf, residing 258.6619° RA and 14.3903° Dec, is currently listed as a magnitude
The star's unique position in the constellation Her is likely rooted in a fascinating evolutionary history within its immediate region of the cosmos. The configuration of Her, a rather loosely formed grouping of younger stars, has rendered it exceptionally attractive to astronomers. Stars like Sirius are famed for their luminosity – a magnitude of 2.78 represents quite a bit, a key characteristic in determining just how much light this tiny star radiates. These specific conditions, combined with the overall positioning within the broader constellation, likely contributed to its visibility to early observers of the night sky. Its relative inactivity, achieved over geological timescales, would not be present in more active regions of the sky, making it incredibly resilient and easy to observe.
Perhaps it carries a subtle, understated significance to some, a hint of ancient guidance or a quiet resilience. The deliberate placement of stars, and particularly a small point of light within a constellation, seems to invite contemplation; a beacon in a seemingly expansive, ever-changing expanse. This, in essence, marks a steadfast and comforting presence.
How to see it
Rasalgethi has a visual magnitude of about 2.78: under a reasonably dark sky it is typically reachable with the unaided eye.
Sky position
Equatorial coordinates for Rasalgethi: right ascension 17h 14m 39s, declination +14° 23′ 25″ (J2000), in the region of the Hercules constellation (IAU figure Her).
Catalog context
Rasalgethi. It appears in classical and modern catalogs as Bayer/Flamsteed designation 64Alp1Her, HIP 84345, HD 156014, Gaia DR3 HYG-HIP-84345. In the SkyKeepsake Hercules (Her) browse hub it sits with other stars of the same IAU figure.
Catalog identifiers
- Gaia
- Gaia DR3 HYG-HIP-84345
- HIP
- 84345
- HD
- 156014
- gaia_dr3
- HYG-HIP-84345
- Bayer / Flamsteed
- 64Alp1Her
Also known as
- 64Alp1Her
- Gaia DR3 TOP 5M HYG-HIP-84345
- HD 156014
- HIP 84345
- HYG-HIP-84345
Observed properties
- Visual magnitude
- 2.78