HAT-P-19

HAT-P-19 is a K-type main-sequence star about 650 light-years away. The star is old yet metal enriched, having amount of heavy elements 250% of solar abundance. The survey in 2012 have failed to find any stellar companions to HAT-P-19.

HAT-P-19
Observation data
Epoch J2000      Equinox J2000
Constellation Andromeda
Right ascension 00h 38m 04.0136s
Declination +34° 42 41.5523
Apparent magnitude (V) 12.901
Characteristics
Spectral type K1V
Astrometry
Radial velocity (Rv)-20.27 km/s
Proper motion (μ) RA: -26.775 mas/yr
Dec.: -32.478 mas/yr
Parallax (π)4.92 ± 0.0355 mas
Distance663 ± 5 ly
(203 ± 1 pc)
Details
Mass0.863+0.029
0.025
 M
Radius0.851±0.013 R
Luminosity0.37+0.08
0.06
 L
Surface gravity (log g)4.514+0.019
0.017
 cgs
Temperature5049+42
65
 K
Metallicity0.283+0.081
0.079
Rotation14.66±0.03 d
Rotational velocity (v sin i)0.7±0.5 km/s
Age8.8±5.2 Gyr
Other designations
Gaia DR2 3654266795168165128, 2MASS J00380401+3442416
Database references
SIMBADdata
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