4 Cyg

4 Cyg

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4 Cyg is a B-type (Blue-White) star located in the constellation Cygnus. It carries the designation 4 Cyg.

Located approximately 707.5 light-years from Earth, 4 Cyg resides within the broader disk of our Milky Way galaxy.

4 Cyg is classified as a spectral class B star (B-type (Blue-White)) on the Harvard spectral classification system.

With an apparent magnitude of +5.17, 4 Cyg 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 blue hue, which corresponds to a B-V color index of -0.120.

Physical Properties

Spectral Class B Class B — B-type (Blue-White)
Color Index (B−V) -0.120

Observation

Apparent Magnitude +5.17
Absolute Magnitude -1.51
Distance 708 ly
Constellation Cygnus

Position

Right Ascension 19h 26.15m
Declination 36° 19.07′

Frequently Asked Questions

What type of star is 4 Cyg?
4 Cyg is a Class B — B-type (Blue-White) star.
How far is 4 Cyg from Earth?
4 Cyg is approximately 707.5 light-years from Earth.
Can you see 4 Cyg with the naked eye?
With an apparent magnitude of 5.17, 4 Cyg is visible to the naked eye.
What constellation is 4 Cyg in?
4 Cyg is located in the constellation Cygnus.