30 Oph
30 Oph
Add one script tag to your page:
<div data-starfyi="entity" data-slug="30-oph"></div>
<script src="https://cdn.jsdelivr.net/npm/starfyi-embed@1/dist/embed.min.js" defer></script>
Embed as an iframe:
<iframe src="https://starfyi.com/iframe/entity/30-oph/?style=modern&theme=light" width="420" height="400" frameborder="0" loading="lazy" style="border:0;border-radius:10px;max-width:100%"></iframe>
Paste the URL in WordPress, Medium, or Ghost:
https://starfyi.com/th/star/30-oph/
Shields.io-compatible SVG badge:
Web Component:
<starfyi-entity slug="30-oph"></starfyi-entity>
<script src="https://cdn.jsdelivr.net/npm/starfyi-embed@1/dist/embed.min.js" defer></script>
30 Oph is a K-type (Orange) star. It carries the designation 30 Oph.
Located approximately 405.2 light-years from Earth, 30 Oph resides within the broader disk of our Milky Way galaxy.
30 Oph is classified as a spectral class K star (K-type (Orange)) on the Harvard spectral classification system.
With an apparent magnitude of +4.82, 30 Oph sits near the limit of naked-eye visibility. It can be glimpsed without optical aid under dark skies, but binoculars will make observation much easier. Observers will note its red hue, which corresponds to a B-V color index of +1.483.
คุณสมบัติทางกายภาพ
| ประเภทสเปกตรัม | K Class K — K-type (Orange) |
| ดัชนีสี (B−V) | 1.483 |
การสังเกต
| โชติมาตรปรากฏ | +4.82 |
| โชติมาตรสัมบูรณ์ | -0.65 |
| ระยะทาง | 405 ly |
ตำแหน่ง
| ไรต์แอสเซนชัน | 17h 1.06m |
| เดคลิเนชัน | -4° 13.36′ |
Frequently Asked Questions
What type of star is 30 Oph?
30 Oph is a Class K — K-type (Orange) star.
How far is 30 Oph from Earth?
30 Oph is approximately 405.2 light-years from Earth.
Can you see 30 Oph with the naked eye?
With an apparent magnitude of 4.82, 30 Oph is visible to the naked eye.