HD 154345
Stern HD 154345 |
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AladinLite | |||||||||
Observation dates equinox : J2000.0 , epoch : J2000.0 |
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Constellation | Hercules | ||||||||
Right ascension | 17 h 02 m 36.4 s | ||||||||
declination | + 47 ° 04 ′ 54.8 ″ | ||||||||
Apparent brightness | 6.76 likes | ||||||||
Typing | |||||||||
Known exoplanets | 1 | ||||||||
B − V color index | +0.73 | ||||||||
U − B color index | +0.27 | ||||||||
Spectral class | G8 V | ||||||||
Astrometry | |||||||||
Radial velocity | (−47.0 ± 0.1) km / s | ||||||||
parallax | (53.80 ± 0.32) mas | ||||||||
distance | (60.6 ± 0.4) ly (18.59 ± 0.11) pc |
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Visual absolute brightness M vis | +5.41 mag | ||||||||
Proper movement | |||||||||
Rec. Share: | (123.27 ± 0.35) mas / a | ||||||||
Dec. portion: | (853.63 ± 0.36) mas / a | ||||||||
Physical Properties | |||||||||
Dimensions | 0.88 M ☉ | ||||||||
Luminosity |
0.568 L ☉ |
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Effective temperature | 5468 K | ||||||||
Metallicity [Fe / H] | −0.105 | ||||||||
Age | 4.92 x 10 9 a | ||||||||
Other names and catalog entries |
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HD 154345 is a yellow dwarf 58.9 light years from Earth with a right ascension of 17h 02m 36s and a declination of + 47 ° 04 '55 ". It has an apparent magnitude of 6.74 mag. In 2006, JT discovered Wright an extrasolar planet orbiting this star, named HD 154345 b .