HIP 21801

Add one script tag to your page:

<div data-starfyi="entity" data-slug="hip-21801"></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/hip-21801/?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/hip-21801/

Shields.io-compatible SVG badge:

![HIP 21801](https://starfyi.com/badge/entity/hip-21801.svg)

Web Component:

<starfyi-entity slug="hip-21801"></starfyi-entity>
<script src="https://cdn.jsdelivr.net/npm/starfyi-embed@1/dist/embed.min.js" defer></script>

HIP 21801 is a F-type (Yellow-White) star.

Located approximately 637.0 light-years from Earth, HIP 21801 resides within the broader disk of our Milky Way galaxy.

HIP 21801 is classified as a spectral class F star (F-type (Yellow-White)) on the Harvard spectral classification system.

HIP 21801 has an apparent magnitude of +9.44, placing it beyond naked-eye visibility. A good pair of binoculars or a small telescope is required to observe this star. Observers will note its white hue, which corresponds to a B-V color index of +0.402.

คุณสมบัติทางกายภาพ

ประเภทสเปกตรัม	F Class F — F-type (Yellow-White)
ดัชนีสี (B−V)	0.402

การสังเกต

โชติมาตรปรากฏ	+9.44
โชติมาตรสัมบูรณ์	2.99
ระยะทาง	637 ly

ตำแหน่ง

ไรต์แอสเซนชัน	4^h 41.02^m
เดคลิเนชัน	-53° 52.09′

Frequently Asked Questions

What type of star is HIP 21801?

HIP 21801 is a Class F — F-type (Yellow-White) star.

How far is HIP 21801 from Earth?

HIP 21801 is approximately 637.0 light-years from Earth.

Can you see HIP 21801 with the naked eye?

With an apparent magnitude of 9.44, HIP 21801 is not visible to the naked eye.