GJ 9827 (Q89752629)

high proper-motion star

1 reference

1 reference

Exoplanet GJ 9827d (artist’s concept) (heic2403a).jpg
16,000 × 9,000; 13.18 MB

0 references

mass

0.659±0.06 solar mass

1 reference

Three Super-Earths Transiting the Nearby Star GJ 9827

catalog code

DENIS J232704.7-011710

Deep Near Infrared Survey of the Southern Sky

1 reference

GCRV 14711

General Catalogue of Stellar Radial Velocities

1 reference

GJ 9827

Gliese Catalogue of Nearby Stars

1 reference

HIC 115752

Hipparcos Input Catalogue

1 reference

HIP 115752

1 reference

LTT 9542

Luyten Two-Tenths catalogue

1 reference

New Luyten Two-Tenths catalogue

2MASS J23270480-0117108

1 reference

NLTT 56901

1 reference

PLX 5678.1

General Catalogue of Trigonometric Stellar Parallaxes

1 reference

PLX 5678.10

General Catalogue of Trigonometric Stellar Parallaxes

1 reference

PPM 709671

1 reference

UBV 20128

UBV Photoelectric Photometry Catalogue

1 reference

UCAC4 444-131738

Fourth USNO CCD Astrograph Catalog

1 reference

Vitesses radiales. Catalogue WEB: Wilson Evans Batten. Radial velocities: The Wilson-Evans-Batten catalogue

Gaia DR2 2643842302456085888

1 reference

WEB 20484

1 reference

UBV Photoelectric Photometry Catalogue

Gaia DR3 2643842302456085888

1 reference

TYC 5244-1092-1

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TIC 301289516

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UBV M 5122

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inferred from equatorial coordinates

child astronomical body

GJ 9827 b

series ordinal

b

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GJ 9827 c

series ordinal

c

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GJ 9827 d

series ordinal

d

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distance from Earth

29.6864±0.0538 parsec

1 reference

29.6519±0.0148 parsec

1 reference

30.3±1.6 parsec

1 reference

Three Super-Earths Transiting the Nearby Star GJ 9827

stellar rotational velocity

1.45±0.43 kilometre per second

1 reference

Rotation-Activity Correlations in K and M dwarfs. I. Stellar parameters and compilations of v.sin(i) and P/sin(i) for a large sample of late-K and M dwarfs

1.3 kilometre per second

1 reference

Rotation-Activity Correlations in K and M dwarfs. I. Stellar parameters and compilations of v.sin(i) and P/sin(i) for a large sample of late-K and M dwarfs

parallax

33.6855±0.0611 milliarcsecond

1 reference

43.6±11 milliarcsecond

1 reference

The General Catalogue of Trigonometric Stellar Parallaxes, Fourth Edition

32.98±1.76 milliarcsecond

1 reference

Validation of the new Hipparcos reduction

30.3±1.88 milliarcsecond

1 reference

The HIPPARCOS Catalogue

33.7247±0.0169 milliarcsecond

1 reference

declination component of proper motion

216.071±0.07 milliarcsecond per year

1 reference

216.04±1.93 milliarcsecond per year

1 reference

Validation of the new Hipparcos reduction

215.75±1.93 milliarcsecond per year

1 reference

The HIPPARCOS Catalogue

230±30 milliarcsecond per year

1 reference

Lowell proper motion survey. Southern Hemisphere. Catalog 1978

215.87±0.012 milliarcsecond per year

1 reference

right ascension component of proper motion

376.019±0.094 milliarcsecond per year

1 reference

373.43±2.2 milliarcsecond per year

1 reference

Validation of the new Hipparcos reduction

374.48±2.27 milliarcsecond per year

1 reference

The HIPPARCOS Catalogue

410±30 milliarcsecond per year

1 reference

Lowell proper motion survey. Southern Hemisphere. Catalog 1978

375.977±0.018 milliarcsecond per year

1 reference

radial velocity

32.1±0.7 kilometre per second

1 reference

Radial velocities of K-M dwarfs and local stellar kinematics

27.0 kilometre per second

1 reference

Vitesses radiales. Catalogue WEB: Wilson Evans Batten. Radial velocities: The Wilson-Evans-Batten catalogue

27±5 kilometre per second

1 reference

General Catalogue of Stellar Radial Velocities

27±3.7 kilometre per second

1 reference

Astrophysical supplements to the ASCC-2.5: Ia. Radial velocities of ∼55000 stars and mean radial velocities of 516 Galactic open clusters and associations

spectral class

K5

1 reference

G.P. Kuiper's spectral classifications of proper-motion stars

K6V

2 references

Dwarf K and M stars of high proper motion found in a hemispheric survey

K7V

1 reference

Characterizing K2 Candidate Planetary Systems Orbiting Low-mass Stars. IV. Updated Properties for 86 Cool Dwarfs Observed during Campaigns 1-17

K5V

1 reference

The Palomar/MSU Nearby-Star Spectroscopic Survey. I. The Northern M Dwarfs -Bandstrengths and Kinematics

VizieR Online Data Catalog: UCAC4 Catalogue (Zacharias+, 2012)

11.57±0.01

1 reference

VizieR Online Data Catalog: UCAC4 Catalogue (Zacharias+, 2012)

10.1±0

1 reference

10.09±0.02

astronomical filter

R band

1 reference

VizieR Online Data Catalog: UCAC4 Catalogue (Zacharias+, 2012)

The DENIS database, 3rd Release

8.89±0.03

2 references

7.984±0.02

1 reference

VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)

VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)

7.379±0.042

1 reference

VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)

7.193±0.024

1 reference

VizieR Online Data Catalog: UCAC4 Catalogue (Zacharias+, 2012)

9.18±0.02

1 reference

9.840704±0.002769

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luminosity

0.11441533±0.00027543 solar luminosity

1 reference

metallicity

−0.5

1 reference

Rotation-Activity Correlations in K and M dwarfs. I. Stellar parameters and compilations of v.sin(i) and P/sin(i) for a large sample of late-K and M dwarfs

−0.295

1 reference

Characterizing K2 Candidate Planetary Systems Orbiting Low-mass Stars. IV. Updated Properties for 86 Cool Dwarfs Observed during Campaigns 1-17

radius

0.6469711±0.08298545 solar radius

1 reference

0.651±0.065 solar radius

1 reference

Three Super-Earths Transiting the Nearby Star GJ 9827

The Tycho-2 catalogue of the 2.5 million brightest stars

3 references

351.77015704489116 degree

1 reference

declination

−1.286272959175 degree

1 reference

effective temperature

4,173.5435±296.5165 kelvin

1 reference

4,270 kelvin

1 reference

Rotation-Activity Correlations in K and M dwarfs. I. Stellar parameters and compilations of v.sin(i) and P/sin(i) for a large sample of late-K and M dwarfs

4,160 kelvin

1 reference

Characterizing K2 Candidate Planetary Systems Orbiting Low-mass Stars. IV. Updated Properties for 86 Cool Dwarfs Observed during Campaigns 1-17

4,255±110 kelvin

1 reference

Three Super-Earths Transiting the Nearby Star GJ 9827

surface gravity

80,000 centimetre per square second

1 reference

Rotation-Activity Correlations in K and M dwarfs. I. Stellar parameters and compilations of v.sin(i) and P/sin(i) for a large sample of late-K and M dwarfs