30Tau CMa

30Tau CMa

30Tau CMa is a O-type (Blue) star located in the constellation Canis Major. It carries the designation 30Tau CMa.

At a distance of roughly 2,992 light-years, 30Tau CMa is a distant star lying deep within the Milky Way galaxy.

30Tau CMa is classified as a spectral class O star (O-type (Blue)) on the Harvard spectral classification system.

With an apparent magnitude of +4.37, 30Tau CMa 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 -0.132.

Fiziksel Özellikler

Spektral Sınıf Class O — O-type (Blue)
Renk İndeksi (B−V) -0,132

Gözlem

Görünür Parlaklık +4.37
Mutlak Parlaklık -5,44
Mesafe 2,992 ly
Takımyıldız Canis Major

Konum

Sağ Açıklık 7h 18,71m
Dik Açı -24° 57,26′

Sıkça Sorulan Sorular

What type of star is 30Tau CMa?
30Tau CMa is a Class O — O-type (Blue) star.
How far is 30Tau CMa from Earth?
30Tau CMa is approximately 2,992.3 light-years from Earth.
Can you see 30Tau CMa with the naked eye?
With an apparent magnitude of 4.37, 30Tau CMa is visible to the naked eye.
What constellation is 30Tau CMa in?
30Tau CMa is located in the constellation Canis Major.