21 Mon

21 Mon

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21 Mon is a F-type (Yellow-White) star. It carries the designation 21 Mon.

Located approximately 284.4 light-years from Earth, 21 Mon resides within the broader disk of our Milky Way galaxy.

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

With an apparent magnitude of +5.44, 21 Mon 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 white hue, which corresponds to a B-V color index of +0.310.

Physical Properties

Spectral Class F Class F — F-type (Yellow-White)
Color Index (B−V) 0.310

Observation

Apparent Magnitude +5.44
Absolute Magnitude 0.74
Distance 284 ly

Position

Right Ascension 7h 11.39m
Declination 0° 18.12′

Frequently Asked Questions

What type of star is 21 Mon?
21 Mon is a Class F — F-type (Yellow-White) star.
How far is 21 Mon from Earth?
21 Mon is approximately 284.4 light-years from Earth.
Can you see 21 Mon with the naked eye?
With an apparent magnitude of 5.44, 21 Mon is visible to the naked eye.