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GJ 876

Faint Star — mag 10.3

4 Exoplanets
Star Map

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1Physical Properties

Magnitude 10.27
Spectral Type M5
Star Color Red (B-V 1.60)
Distance 15 ly (4.7 pc)
Abs. Magnitude 11.81
Luminosity 0.01 L☉
Radius 0.38 R☉
Radial Velocity -1.6 km/s
Parallax 213.28 mas ± 2.12
Proper Motion RA: 960.13 Dec: -673.73 mas/yr

Position & Identifiers

RA 22h 53m 16.7s
Dec -14° 15' 49.3"
Constellation Aquarius
HIP 113020
TYC 5819 1255 1
Catalog Tycho2
SIMBAD

2Visibility

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Best season Jul – Sep (peak: Aug)

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3

Size Comparison

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Compare Stars

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Stellar Lifecycle

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Spectral Classification

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Hertzsprung-Russell Diagram

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Blackbody Spectrum

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Stellar Absorption Spectrum

Simulated absorption spectrum based on spectral type. Hover over lines to identify elements.

10

Stellar Fusion

Discover

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Light Travel Time Machine

12

Relativistic Travel

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Exoplanets 4 known planets

Planet Radius Mass Period Distance
GJ 876 d 2.51R⊕ 6.8M⊕ 1.9d 15ly
GJ 876 c 14.00R⊕ 0.71M♃ 30.1d 15ly
GJ 876 b 13.30R⊕ 2.28M♃ 61.1d 15ly
GJ 876 e 3.92R⊕ 14.6M⊕ 124.3d 15ly

Habitable Zone

Size & Mass Comparison

About exoplanets — how we find them and which host stars you can observe

Data from XHIP catalog via CDS VizieR, Strasbourg