LP 890-9

Red dwarf (spectral class M5 D)

Location

Right ascension: 4h 16m 31.167s

Declination: -28° 18' 52.954'' (southern hemisphere)

Parallax: 30.933

Sun distance: 105.441 ly | 32.3 pc

Basic characteristic

Mass: 11.8 % M Sun

Size: 15.6 % R Sun | 1.5 R Jupiter

Temperature: 2850.0 K | 0.49 T Sun

Age: 7.2 billions years | 1.57 Sun

2 exoplanets

	LP 890-9 b	0.02 AU	13.2 M⊕	1.3 R⊕	2.7 days
	LP 890-9 c	0.04 AU	25.3 M⊕	1.4 R⊕	8.5 days

Photometry

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).

More about LP 890-9

Star LP 890-9 is approximately 20 % of the size of Sun and temperature on its surface is around 2850.0 K (2577 °C), which is about 49 % of Sun's temperature.

      LP 890-9 can be found in southern celestial hemisphere.

Other designations of this star
2MASS J04163114-2818526, TIC 44898913, WISEA J041631.33-281855.5, Gaia DR3 4886243456388510720, TOI-4306, SPECULOOS-2

External sources

3D Global climate model of an exo-Venus: a modern Venus-like atmosphere for the nearby super-Earth LP 890-9 c

Scientific study, Accepted: 08. 11. 2023

A Venus in the Making? Predictions for JWST Observations of the Ultracool M-Dwarf planet LP 890-9 c

Scientific study, Accepted: 20. 06. 2023

Two temperate super-Earths transiting a nearby late-type M dwarf

Scientific study, Accepted: 06. 09. 2022

Simbad database (LP 890-9)

Astronomical database SIMBAD (the Set of Identifications, Measurements and Bibliography for Astronomical Data)

TESS database (TOI 4306.01)

Archive from the TESS mission

Class of stars Red dwarf

Red dwarfs are small reddish stars, that are by far the most common type of star in solar neighborhood. Their mass is usually between 10 and 50 % of solar mass.

Star LP 890-9

LP 890-9

Location

Basic characteristic

2 exoplanets

Photometry

Discovery of 2 exoplanets orbiting very cold star LP 890-9