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DQ Tauri
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Star DQ Tauri

Binary star DQ Tauri is located 637 light years away from the Sun. It consists of 2 t tauri star stars. For now, there are no known exoplanets in this star system.
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Sun distance
637 light years
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DQ Tauri A

T Tauri star
Spectral class: M0

Location +

Ascension iconRight ascension: 4h 46m 53.071s
Declination iconDeclination: 16° 59' 59.923'' (equatorial region)
Parallax iconParallax: 5.118
Distance iconSun distance: 637.248 ly | 195.4 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: 90 % M Sun
| 911.4 M Jupiter
 (estimate)
+
Star mass
The mass of the star DQ Tauri A is unknown. Based on its other characteristics, it is estimated to be about 90 % of the Sun's mass.

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: 180 % R Sun
| 17.9 R Jupiter
(estimate)
+
Star size
Radius of the star DQ Tauri A is not known. Its estimated value based on other similar stars is about 180 % 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
temperature iconTemperature: 4000 K
 (estimate)
+
Star temperature
Surface temperature of DQ Tauri A is estimated to be 3983 K, which is 69 % 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

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

DQ Tauri B

T Tauri star
Spectral class: M0

Basic characteristic

icon weight
Mass: 90 % M Sun
| 911.4 M Jupiter
 (estimate)
+
Star mass
The mass of the star DQ Tauri B is unknown. Based on its other characteristics, it is estimated to be about 90 % of the Sun's mass.

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: 180 % R Sun
| 17.9 R Jupiter
(estimate)
+
Star size
Radius of the star DQ Tauri B is not known. Its estimated value based on other similar stars is about 180 % 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
temperature iconTemperature: 4000 K
 (estimate)
+
Star temperature
Surface temperature of DQ Tauri B is estimated to be 3983 K, which is 69 % 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

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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DQ Tauri system structure

 DQ Tauri A
DQ Tauri B

More about DQ Tauri

       DQ 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 3406269842981827712
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External sources
icon study
icon study
Time-resolved protoplanetary disk physics in DQ Tau with JWST
Scientific study, Accepted: 27. 08. 2025

Frequently Asked Questions

How far is the DQ Tauri system from the Sun?

The DQ Tauri system is 637 light years or 195.4 parsecs from the Sun.

What galaxy is the DQ Tauri star in?

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

How many stars are in the DQ Tauri system?

The DQ Tauri system contains 2 stars.

What type of star is the DQ Tauri?

The primary in the DQ Tauri system is a T Tauri star star.

What temperature is the DQ Tauri?

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