HD 8574

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HD 8574
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Pisces
Right ascension 01h 25m 12.52s[1]
Declination +28° 34′ 00.1″[1]
Apparent magnitude (V) +7.12
Characteristics
Spectral type F8
Astrometry
Proper motion (μ) RA: 250.87 ± 0.58[1] mas/yr
Dec.: -158.06 ± 0.34[1] mas/yr
Parallax (π) 22.44 ± 0.53[1] mas
Distance 145 ± 3 ly
(45 ± 1 pc)
Details
Temperature 6028 ± 6.7 [2] K
Other designations
BD+27º225, GC 1710, HIP 6643, LTT 10508, NLTT 4709, SAO 74702

HD 8574 is a yellow-white star in the constellation Pisces. It has an apparent magnitude of +7.12 and absolute magnitude of +3.90. The stellar distance is 45 parsecs or 145 light years from the Solar System.

In 2001, an extrasolar planet in an eccentric orbit was announced by the European Southern Observatory.[3] The discovery was published in 2003.[4]

The HD 8574 planetary system[5]
Companion
(in order from star)
Mass Semimajor axis
(AU)
Orbital period
(days)
Eccentricity Inclination Radius
b >1.96 ± 0.18 MJ 0.76 ± 0.04 225 ± 1.14 0.37 ± 0.082

See also

References

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External links

Coordinates: Sky map 01h 25m 12.5168s, +28° 34′ 00.096″


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