النطاق

50Zet Ori

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Alnitak is a rare O-type star, the hottest spectral class, its blue colour matched by a negative B–V index of −0.199. Designated Zeta Orionis, it forms the easternmost star of Orion's Belt and lies about 736 light-years away. At apparent magnitude 1.74 it is the brightest O-type star of the night sky, and its absolute magnitude of −5.03 marks an intrinsic luminosity thousands of times the Sun's. A near-equatorial declination of −1° makes Alnitak visible worldwide, where it anchors one end of the Belt that makes Orion among the most readily recognised constellations.

الخصائص الفيزيائية

النوع الطيفي O Class O — O-type (Blue)
مؤشر اللون (B−V) -0,199

الرصد

القدر الظاهري +1.74
القدر المطلق -5,03
المسافة 736 ly
الكوكبة Orion

الموضع

المطلع المستقيم 5h 40,76m
الميل -1° 56,55′

Frequently Asked Questions

What type of star is النطاق?
النطاق is a Class O — O-type (Blue) star.
How far is النطاق from Earth?
النطاق is approximately 736.2 light-years from Earth.
Can you see النطاق with the naked eye?
With an apparent magnitude of 1.74, النطاق is visible to the naked eye.
What constellation is النطاق in?
النطاق is located in the constellation Orion.