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SCR 1845-6357
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Star SCR 1845-6357

Binary star SCR 1845-6357 is located 13 light years away from the Sun. It consists of a red dwarf and a brown dwarf. For now, there are no known exoplanets in this star system.
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Sun distance
13 light years
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SCR 1845-6357 A

Red dwarf, Low-mass star
Spectral class: M8.5V

Location +

Ascension iconRight ascension: 18h 45m 11.532s
Declination iconDeclination: -63° 57' 38.043'' (southern hemisphere)
Parallax iconParallax: 249.665
Distance iconSun distance: 13.064 ly | 4.0 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: 7 % M Sun
| 73 M Jupiter
+
Star mass
Mass of the star SCR 1845-6357 A is 0.07 solar masses (or 73.3 Jupiter 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: 9.6 % R Sun
| 1 R Jupiter
+
Star size
Radius of the star SCR 1845-6357 A is 0.096 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: 2400 K
 (estimate)
+
Star temperature
Surface temperature of SCR 1845-6357 A is estimated to be 2400 K, which is 42 % 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: 2 billions years | 0.43 Sun
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Star age
Star SCR 1845-6357 A is 2 billion years old, which is about 0.43 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: 0.0004 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): 17.4
Magnitude iconAbsolute magnitude (V): 19.4
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

SCR 1845-6357 B

Brown dwarf
Spectral class: T6

Basic characteristic

icon weight
Mass: 3 % M Sun
| 31 M Jupiter
+
Star mass
Mass of the star SCR 1845-6357 B is 0.07 solar masses (or 73.3 Jupiter 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: 9.6 % R Sun
| 1 R Jupiter
+
Star size
Radius of the star SCR 1845-6357 B is 0.096 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: 1000 K
 (estimate)
+
Star temperature
Surface temperature of SCR 1845-6357 B is estimated to be 970 K, which is 17 % 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: 2 billions years | 0.43 Sun
+
Star age
Star SCR 1845-6357 B is 2 billion years old, which is about 0.43 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

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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SCR 1845-6357 system structure

 SCR 1845-6357 A
SCR 1845-6357 B

More about SCR 1845-6357

       SCR 1845-6357 can be found in southern celestial hemisphere, however it is too dim to be seen with the naked eye or even a small telescope.
Other designations of this star
SCR 1845B, SCR J1845-6357B, DENIS-P J184504.9-635747, SCR 1845A, 2MASS J18450541-6357475, SCR J1845-6357, Gaia EDR3 6439125097427143808
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External sources
simbad icon
Simbad database (SCR J1845-6357B)
Astronomical database SIMBAD (the Set of Identifications, Measurements and Bibliography for Astronomical Data)

Frequently Asked Questions

How far is the SCR 1845-6357 system from the Sun?

The SCR 1845-6357 system is 13 light years or 4.0 parsecs from the Sun.

What galaxy is the SCR 1845-6357 star in?

The SCR 1845-6357 is in the Milky Way galaxy just like the Sun.

How many stars are in the SCR 1845-6357 system?

The SCR 1845-6357 system contains 2 stars.

What type of star is the SCR 1845-6357?

The primary in the SCR 1845-6357 system is a Red dwarf star.

What temperature is the SCR 1845-6357?

The primary in the SCR 1845-6357 system has an effective temperature of K ( °C). Find out more about the temperature of stars in Stellar guide
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