HAT-P-4
Sign in to saveAlso 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.
In the Vinony graph
Within Vinony's link graph, HAT-P-4 is referenced by 253 other articles, and connects out to year, exoplanet and Hipparcos.
It is catalogued under topics including Binary stars, Boötes and Durchmusterung objects.
Its subject is documented across 13 Wikipedia language editions.
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°
via SIMBAD · CDS Strasbourg
Wikidata facts
- Constellation
- Boötes
- Child body
- HAT-P-4 b
- Distance from Earth
- 310
- Diameter
- 2090000
- Radius
- 1.59
- Mass
- 1.26
- Image
- Exoplanet Comparison HAT-P-4 b.png
Show 17 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
- epoch
- J2000.0
- 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)
via Wikidata · CC0
~1 min read
Encyclopedic overview
5 sectionsContents
- 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.
Excerpted from Wikipedia’s “HAT-P-4” article, available under the CC BY-SA 4.0 licence.