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PSR B1919+21
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Star PSR B1919+21

Neutron star PSR B1919+21 is located 1000 light years away from the Sun. It is a single star, that has 140 % of solar mass. For now, there are no known exoplanets in this star system.
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Sun distance
1000 light years
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PSR B1919+21

Neutron star

Location +

Ascension iconRight ascension: 19h 21m 44.815s
Declination iconDeclination: 21° 53' 2.250'' (northern hemisphere)
Parallax iconParallax: 3.300
Distance iconSun distance: 1,000.000 ly | 306.6 pc
Star position
The position of a star tells us where it appears in the sky, similar to how we use coordinates like latitude and longitude on Earth. In astronomy, the three main coordinates are right ascension, declination and distance. .. icon More about Star position in StellarGuide

Basic characteristic

icon weight
Mass: 140 % M Sun
| 1467 M Jupiter
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Star mass
Mass of the star PSR B1919+21 is 1.4 solar masses.

The mass of a star is the total amount of matter it contains. It is one of the most important properties of a star, as it determines almost everything about how the star lives, changes, and dies. In astronomy, star mass is usually measured in solar masses (M☉) — where 1 solar mass is equal to the mass of our Sun... icon More about Star mass in StellarGuide
radius icon
Size: 0 % R Sun
| 0 R Jupiter
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Star size
Radius of the star PSR B1919+21 is 0.000014 solar radii.

The size of a star refers to its radius — the distance from its center to its surface. Star size is usually measured in solar radii (R☉), where 1 solar radius equals approximately 696,000 kilometers. Depending on their type and life stage, stars can be much smaller or larger than the Sun... icon More about Star size in StellarGuide
time icon
Age: 0.016 billions years | 0 Sun
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Star age
Star PSR B1919+21 is 0.016 billion years old, which is about 0 of the Sun's age.

The age of a star tells us how long it has been shining since it formed. Knowing a star’s age helps astronomers understand its life stage, how it has changed over time, and what will happen to it in the future... icon More about Star age in StellarGuide
luminosity icon
Luminosity: 0.006 L Sun
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Star luminosity
Luminosity is the total amount of energy a star gives off every second. Think of it as the star’s true brightness — not just how bright it looks from Earth. This is important because some stars may appear dim simply because they are far away, not because they’re actually faint... icon More about Star luminosity in StellarGuide
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PSR B1919+21 system structure

 PSR B1919+21

More about PSR B1919+21

       PSR B1919+21 can be found in northern celestial hemisphere.
Other designations of this star
PSR B1919 21, PSR J1921 2153, PSR 1921 2153, PSR 1919 21, WSTB 12W15, CP 1919 21, CP 1919, LGM-1, PSR B1919 21, PSR J1921 2153, PSR 1921 2153, PSR 1919 21, WSTB 12W15, CP 1919 21, CP 1919, LGM-1
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Frequently Asked Questions

How far is the PSR B1919+21 system from the Sun?

The PSR B1919+21 system is 1000 light years or 306.6 parsecs from the Sun.

What galaxy is the PSR B1919+21 star in?

The PSR B1919+21 is in the Milky Way galaxy just like the Sun.

How many stars are in the PSR B1919+21 system?

The PSR B1919+21 is a single star, there are no other known stars in the system.

What type of star is the PSR B1919+21?

The star PSR B1919+21 is a Neutron star star.

What temperature is the PSR B1919+21?

The primary in the PSR B1919+21 system has an effective temperature of K ( °C). Find out more about the temperature of stars in Stellar guide
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