(Q113350433)

Detection of planetary and stellar companions to neighboring stars via a combination of radial velocity and direct imaging techniques

catalog code

HD 221420

Henry Draper Catalogue

1 reference

CPC 21.3 2884

Cape Photographic Catalogue

1 reference

FK5 3887

1 reference

GCRV 74354

General Catalogue of Stellar Radial Velocities

1 reference

GJ 4340

Gliese Catalogue of Nearby Stars

1 reference

GSC 09481-00244

1 reference

HIC 116250

Hipparcos Input Catalogue

1 reference

HIP 116250

1 reference

HR 8935

Bright Star Catalogue

1 reference

IRAS 23301-7739

1 reference

2MASS J23331963-7723069

1 reference

N30 5167

Catalog of 5,268 Standard Stars Based on the Normal System N30

1 reference

PPM 375725

1 reference

SAO 258154

Smithsonian Astrophysical Observatory Star Catalog

1 reference

SPOCS 1022

Spectroscopic Properties of Cool Stars

1 reference

UBV 20230

UBV Photoelectric Photometry Catalogue

1 reference

uvby98 100221420

uvbyβ Photoelectric Photometric Catalogue

1 reference

UBV Photoelectric Photometry Catalogue

Gaia DR2 6353376831270492800

1 reference

Gaia DR3 6353376831270492800

1 reference

TIC 277890728

1 reference

GC 32742

Boss General Catalogue

1 reference

TYC 9481-244-1

1 reference

UBV M 27070

1 reference

1 reference

inferred from equatorial coordinates

child astronomical body

HD 221420b

series ordinal

b

0 references

distance from Earth

31.1695±0.0374 parsec

1 reference

31.8 parsec

1 reference

Detection of planetary and stellar companions to neighboring stars via a combination of radial velocity and direct imaging techniques

31.15±0.0315 parsec

1 reference

stellar rotational velocity

0.75±0.3 kilometre per second

1 reference

Stellar parameters and chemical abundances of 223 evolved stars with and without planets

1.537±0.217 kilometre per second

1 reference

Spectroscopic Parameters and atmosphEric ChemIstriEs of Stars (SPECIES) I. Code description and dwarf stars catalogue

1.579 kilometre per second

1 reference

Chemical abundances of 1111 FGK stars from the HARPS-GTO planet search sample. III. Sulfur

parallax

32.0826±0.0385 milliarcsecond

1 reference

31.49±0.49 milliarcsecond

1 reference

The HIPPARCOS Catalogue

31.81±0.27 milliarcsecond

1 reference

Validation of the new Hipparcos reduction

32.1023±0.0325 milliarcsecond

1 reference

declination component of proper motion

0.833±0.072 milliarcsecond per year

1 reference

1.33±0.24 milliarcsecond per year

1 reference

Validation of the new Hipparcos reduction

1.79±0.43 milliarcsecond per year

1 reference

The HIPPARCOS Catalogue

1 milliarcsecond per year

1 reference

Catalog of 5268 standard stars for the equinox and epoch 1950.0 based on the Normal Star System N30

0.736±0.043 milliarcsecond per year

1 reference

6 milliarcsecond per year

1 reference

right ascension component of proper motion

16.304±0.071 milliarcsecond per year

1 reference

15.97±0.28 milliarcsecond per year

1 reference

Validation of the new Hipparcos reduction

15.66±0.51 milliarcsecond per year

1 reference

The HIPPARCOS Catalogue

26 milliarcsecond per year

1 reference

Catalog of 5268 standard stars for the equinox and epoch 1950.0 based on the Normal Star System N30

16.306±0.041 milliarcsecond per year

1 reference

15 milliarcsecond per year

1 reference

radial velocity

26.533 kilometre per second

1 reference

Spectroscopic Parameters and atmosphEric ChemIstriEs of Stars (SPECIES) I. Code description and dwarf stars catalogue

26.51±0.16 kilometre per second

1 reference

26.48±0.02 kilometre per second

1 reference

Stellar parameters and chemical abundances of 223 evolved stars with and without planets

26±0.86 kilometre per second

4 references

The metallicity signature of evolved stars with planets

Sixth catalogue of fundamental stars (FK6). Part III. Additional stars with direct solutions

The Geneva-Copenhagen survey of the Solar neighbourhood. Ages, metallicities, and kinematic properties of ∼14 000 F and G dwarfs

Radial velocities of fundamental southern stars

26.1±0.95 kilometre per second

1 reference

Spectroscopic Properties of Cool Stars (SPOCS). I. 1040 F, G, and K Dwarfs from Keck, Lick, and AAT Planet Search Programs

26.0 kilometre per second

3 references

The Geneva-Copenhagen survey of the Solar neighbourhood. Ages, metallicities, and kinematic properties of ∼14 000 F and G dwarfs

Sixth catalogue of fundamental stars (FK6). Part III. Additional stars with direct solutions

Radial velocities of fundamental southern stars

26.504±0.0003 kilometre per second

1 reference

Gaia Data Release 2. The catalogue of radial velocity standard stars

spectral class

G2V

1 reference

Catalogue of two dimentional spectral types for the HD stars, Vol. 1

G2IV-V

2 references

Contributions to the Nearby Stars (NStars) Project: Spectroscopy of Stars Earlier than M0 within 40 pc--The Southern Sample

K0

1 reference

VizieR Online Data Catalog: Henry Draper Catalogue and Extension, published in Ann. Harvard Obs. 91-100 (1918-1925)

6.488±0.014

1 reference

5.806±0.009

1 reference

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

4.997±0.252

1 reference

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

4.527±0.238

1 reference

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

4.306±0.036

1 reference

5.655614±0.002796

1 reference

luminosity

4.008±0.007976 solar luminosity

1 reference

metallicity

0.31

1 reference

Lithium abundance patterns of late-F stars: an in-depth analysis of the lithium desert

0.34

5 references

Spectroscopic Parameters and atmosphEric ChemIstriEs of Stars (SPECIES) I. Code description and dwarf stars catalogue

C/O vs. Mg/Si ratios in solar type stars: The HARPS sample

Spectroscopic Properties of Cool Stars (SPOCS). I. 1040 F, G, and K Dwarfs from Keck, Lick, and AAT Planet Search Programs

Stellar parameters and chemical abundances of 223 evolved stars with and without planets

Deriving precise parameters for cool solar-type stars. Optimizing the iron line list

0.33

7 references

Chemical abundances of 1111 FGK stars from the HARPS GTO planet search program

Spectroscopic parameters for 451 stars in the HARPS GTO planet search program. Stellar [Fe/H] and the frequency of exo-Neptunes

Li depletion in solar analogues with exoplanets

Chemical abundances of 1111 FGK stars from the HARPS GTO planet search program. Galactic stellar populations and planets

Metallicity of solar-type stars with debris discs and planets

Chemical abundances of 1111 FGK stars from the HARPS GTO planet search program

Chemical abundances of 1111 FGK stars from the HARPS-GTO planet search sample. III. Sulfur

0.37

1 reference

Spectroscopic parameters for a sample of metal-rich solar-type stars

0.17

1 reference

The abundance distribution of stars with planets

0.26

1 reference

Evolved stars and the origin of abundance trends in planet hosts

0.29

1 reference

Detection of planetary and stellar companions to neighboring stars via a combination of radial velocity and direct imaging techniques

radius

2.0009587±0.0693338 solar radius

1 reference

diameter

2,620,000±69,600 kilometre

1 reference

The metallicity signature of evolved stars with planets

2 references

353.33157876757 degree

1 reference

declination

−77.38533181828 degree

1 reference

effective temperature

5,827 kelvin

1 reference

Lithium abundance patterns of late-F stars: an in-depth analysis of the lithium desert

reason for deprecated rank

5,850 kelvin

item/value with less precision and/or accuracy

1 reference

Spectroscopic Parameters and atmosphEric ChemIstriEs of Stars (SPECIES) I. Code description and dwarf stars catalogue

5,838 kelvin

2 references

C/O vs. Mg/Si ratios in solar type stars: The HARPS sample

Deriving precise parameters for cool solar-type stars. Optimizing the iron line list

5,749 kelvin

1 reference

Spectroscopy of New High Proper Motion Stars in the Northern Sky. I. New Nearby Stars, New High-Velocity Stars, and an Enhanced Classification Scheme for M Dwarfs

5,847 kelvin

6 references

Chemical abundances of 1111 FGK stars from the HARPS GTO planet search program

Spectroscopic parameters for 451 stars in the HARPS GTO planet search program. Stellar [Fe/H] and the frequency of exo-Neptunes

Li depletion in solar analogues with exoplanets

Chemical abundances of 1111 FGK stars from the HARPS GTO planet search program. Galactic stellar populations and planets

Chemical abundances of 1111 FGK stars from the HARPS GTO planet search program

Chemical abundances of 1111 FGK stars from the HARPS-GTO planet search sample. III. Sulfur

5,912 kelvin

1 reference

Effective temperature scale and bolometric corrections from 2MASS photometry

5,864 kelvin

2 references

Spectroscopic parameters for a sample of metal-rich solar-type stars

Stellar parameters and chemical abundances of 223 evolved stars with and without planets

5,810 kelvin

1 reference

New constraints on the chemical evolution of the solar neighbourhood and Galactic disc(s)

5,652 kelvin

1 reference

The abundance distribution of stars with planets

5,794 kelvin

1 reference

Searching for signatures of planet formation in stars with circumstellar debris discs

5,793 kelvin

1 reference

Evolved stars and the origin of abundance trends in planet hosts

5,773.5±97.5 kelvin

1 reference

surface gravity

8,700 centimetre per square second

1 reference

Spectroscopy of New High Proper Motion Stars in the Northern Sky. I. New Nearby Stars, New High-Velocity Stars, and an Enhanced Classification Scheme for M Dwarfs

10,700 centimetre per square second

5 references

Spectroscopic parameters for 451 stars in the HARPS GTO planet search program. Stellar [Fe/H] and the frequency of exo-Neptunes

Chemical abundances of 1111 FGK stars from the HARPS GTO planet search program. Galactic stellar populations and planets

Li depletion in solar analogues with exoplanets

Chemical abundances of 1111 FGK stars from the HARPS GTO planet search program

Evolved stars and the origin of abundance trends in planet hosts

9,500 centimetre per square second

2 references

Deriving precise parameters for cool solar-type stars. Optimizing the iron line list

C/O vs. Mg/Si ratios in solar type stars: The HARPS sample

11,200 centimetre per square second

1 reference

Stellar parameters and chemical abundances of 223 evolved stars with and without planets

5,200 centimetre per square second

1 reference

The abundance distribution of stars with planets

12,000 centimetre per square second

1 reference

Spectroscopic Properties of Cool Stars (SPOCS). I. 1040 F, G, and K Dwarfs from Keck, Lick, and AAT Planet Search Programs

11,500 centimetre per square second

1 reference

Spectroscopic parameters for a sample of metal-rich solar-type stars

10,280 centimetre per square second

1 reference

Spectroscopic Parameters and atmosphEric ChemIstriEs of Stars (SPECIES) I. Code description and dwarf stars catalogue

10,000 centimetre per square second

2 references

Searching for signatures of planet formation in stars with circumstellar debris discs

Lithium abundance patterns of late-F stars: an in-depth analysis of the lithium desert

9,300 centimetre per square second

2 references

Chemical abundances of 1111 FGK stars from the HARPS GTO planet search program

Chemical abundances of 1111 FGK stars from the HARPS-GTO planet search sample. III. Sulfur