Star NGTS-21

Orange star NGTS-21 is located 1907 light years away from the Sun. It is a single star, that has 72 % of solar mass. There is at least one exoplanet in this system.

NGTS-21

Orange star

Location

Right ascension: 20h 45m 1.994s

Declination: -35° 25' 40.232'' (southern hemisphere)

Parallax: 1.71

Sun distance: 1907.345 ly | 584.8 pc

Basic characteristic

Mass: 72 % M Sun

Size: 86 % R Sun

Temperature: 4660 K | 0.81 T Sun

Photometry

Apparent magnitude (V): 15.6

Absolute magnitude (V): 6.8

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

Absolute stellar magnitude in different parts of the electromagnetic spectrum from infrared (K band) to ultraviolet (U band).

NGTS-21 system structure

	NGTS-21
		NGTS-21 b	0.02 AU	750.3 M⊕	14.9 R⊕	1.5 days

More about NGTS-21

Star NGTS-21 is approximately 90 % of the size of Sun and temperature on its surface is around 4660 K (4387 °C), which is about 81 % of Sun's temperature.

       NGTS-21 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
TIC 441422655, 2MASS J20450201-3525401

External sources

NGTS-21b: An Inflated Super-Jupiter Orbiting a Metal-poor K dwarf

Scientific study,

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