HAT-P-4

Also known as BD+36°2593

HAT-P-4 is a wide binary star consisting of a pair of G-type main-sequence stars in the constellation of Boötes. It also has the BD designation BD+36°2593.

Astronomical data · SIMBAD

Object type: Em*
Spectral type: F
Distance: 1,050 light-years
Redshift: z = -0.0000049000445532243475
Coordinates: RA 229.9913° · Dec 36.2296°

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Wikidata facts

Distance from Earth: 310
Diameter: 2090000
Radius: 1.59
Mass: 1.26
Image: Exoplanet Comparison HAT-P-4 b.png

Show 16 more facts

catalog code: TYC 2569-1599-1
spectral class: G1
effective temperature: 5890
radial velocity: -2.7
apparent magnitude: 10.1
parallax: 3.0919
metallicity: 0.29
stellar rotational velocity: 5.5
surface gravity: 11970
luminosity: 2.9013202
right ascension component of proper motion: -21.513
declination component of proper motion: -24.255
Commons category: HAT-P-4
right ascension: 229.99133484049
declination: 36.22964946633
age estimated by a dating method: 4.2

Sources (1)

wikidata.org

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Article

5 sections

Contents

Binary companion
Planetary system
See also
References
External links

HAT-P-4 is a wide binary star consisting of a pair of G-type main-sequence stars in the constellation of Boötes. It also has the BD designation BD+36°2593.

The star exhibits an infrared excess of unknown origin.