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HQ Tauri
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Star HQ Tauri

Binary star HQ Tauri is located 526 light years away from the Sun. It consists of a orange star and a red dwarf. There is at least one exoplanet in this system.
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Sun distance
526 light years
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HQ Tauri A

Orange star
Spectral class: K2

Location +

Ascension iconRight ascension: 4h 35m 47.356s
Declination iconDeclination: 22° 50' 21.383'' (northern hemisphere)
Parallax iconParallax: 6.196
Distance iconSun distance: 526.438 ly | 161.4 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: 178 % M Sun
| 1865 M Jupiter
+
Star mass
Mass of the star HQ Tauri A is 1.78 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
temperature iconTemperature: 5100 K
 (estimate)
+
Star temperature
Surface temperature of HQ Tauri A is estimated to be 5082 K, which is 88 % of the temperature on the surface of the Sun.

The temperature of a star refers to the temperature at its surface, also called the photosphere. It is measured in kelvins (K), the standard unit for temperature in astronomy. A star’s temperature tells us a lot about its physical properties and where it stands in its evolutionary stage... icon More about Star temperature in StellarGuide
time icon
Age: 0.001 billions years | 0 Sun
+
Star age
Star HQ Tauri A is 0.001 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: 4.34 L Sun
+
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

Photometry

Magnitude iconApparent magnitude (V): 12
Magnitude iconAbsolute magnitude (V): 6
Absolute stellar magnitude in different parts of the electromagnetic spectrum from infrared (K band) to ultraviolet (U band).
5
10
15
20
25
30
35
K
2.1
H
1.6
J
1.2
Grp
0.8
I
0.8
G
0.6
V
0.5
Gbp
0.5
B
0.4
U
0.3

HQ Tauri B

Red dwarf

Basic characteristic

icon weight
Mass: 46.5 % M Sun
| 487 M Jupiter
+
Star mass
Mass of the star HQ Tauri B is 1.78 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
temperature iconTemperature: 5100 K
 (estimate)
+
Star temperature
Surface temperature of HQ Tauri B is estimated to be 5082 K, which is 88 % of the temperature on the surface of the Sun.

The temperature of a star refers to the temperature at its surface, also called the photosphere. It is measured in kelvins (K), the standard unit for temperature in astronomy. A star’s temperature tells us a lot about its physical properties and where it stands in its evolutionary stage... icon More about Star temperature in StellarGuide

Photometry

Magnitude iconAbsolute magnitude (V): -6
Absolute stellar magnitude in different parts of the electromagnetic spectrum from infrared (K band) to ultraviolet (U band).
5
10
15
20
25
30
35
K
2.1
H
1.6
J
1.2
Grp
0.8
I
0.8
G
0.6
V
0.5
Gbp
0.5
B
0.4
U
0.3
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HQ Tauri system structure

 HQ Tauri A
HQ Tauri A b n/a 15927.1 M⊕ 125.8 days
HQ Tauri B

More about HQ Tauri

       HQ Tauri can be found in northern celestial hemisphere, however it is too dim to be seen with the naked eye or even a small telescope.
Other designations of this star
Gaia DR3 145209618758377856
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Frequently Asked Questions

How far is the HQ Tauri system from the Sun?

The HQ Tauri system is 526 light years or 161.4 parsecs from the Sun.

What galaxy is the HQ Tauri star in?

The HQ Tauri is in the Milky Way galaxy just like the Sun.

How many stars are in the HQ Tauri system?

The HQ Tauri system contains 2 stars.

What type of star is the HQ Tauri?

The primary in the HQ Tauri system is a Orange star star.

What temperature is the HQ Tauri?

The primary in the HQ Tauri system has an effective temperature of K ( °C). Find out more about the temperature of stars in Stellar guide
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