Observation data Epoch J2000.0 Equinox J2000.0 | |
---|---|
Constellation | Hydra |
Right ascension | 08h 33m 43.47908s [1] |
Declination | +04° 45′ 25.1949″ [1] |
Apparent magnitude (V) | 5.867 [2] |
Characteristics | |
Spectral type | G5 III [3] |
U−B color index | +0.87 [4] |
B−V color index | +1.07 [4] |
Astrometry | |
Radial velocity (Rv) | +1.60 ± 0.3 [5] km/s |
Proper motion (μ) |
RA: −13.18
[1]
mas/
yr Dec.: −6.84 [1] mas/ yr |
Parallax (π) | 1.98 ± 0.41 mas [1] |
Distance | approx. 1,600
ly (approx. 500 pc) |
Details [6] [note 1] | |
Mass | 4.58 ± 0.40 M☉ |
Radius | 48.41 ± 9.26 R☉ |
Luminosity | 1109.6 ± 422.9 L☉ |
Surface gravity (log g) | 1.80 ± 0.15 cgs |
Temperature | 4792 ± 36 K |
Metallicity [Fe/H] | −0.16 ± 0.10 dex |
Age | 0.15 ± 0.04 Gyr |
Other designations | |
Database references | |
SIMBAD | data |
HD 72561 is a star in the constellation Hydra. Its apparent magnitude is 5.867. [2] Based on parallax shift, it is located about 1,600 light-years (500 parsecs) away. [1]
HD 72561 is a G-type giant star. It is over 4 times as massive as the Sun and 48 times as wide. It is about 150 million years old. [6]
Observation data Epoch J2000.0 Equinox J2000.0 | |
---|---|
Constellation | Hydra |
Right ascension | 08h 33m 43.47908s [1] |
Declination | +04° 45′ 25.1949″ [1] |
Apparent magnitude (V) | 5.867 [2] |
Characteristics | |
Spectral type | G5 III [3] |
U−B color index | +0.87 [4] |
B−V color index | +1.07 [4] |
Astrometry | |
Radial velocity (Rv) | +1.60 ± 0.3 [5] km/s |
Proper motion (μ) |
RA: −13.18
[1]
mas/
yr Dec.: −6.84 [1] mas/ yr |
Parallax (π) | 1.98 ± 0.41 mas [1] |
Distance | approx. 1,600
ly (approx. 500 pc) |
Details [6] [note 1] | |
Mass | 4.58 ± 0.40 M☉ |
Radius | 48.41 ± 9.26 R☉ |
Luminosity | 1109.6 ± 422.9 L☉ |
Surface gravity (log g) | 1.80 ± 0.15 cgs |
Temperature | 4792 ± 36 K |
Metallicity [Fe/H] | −0.16 ± 0.10 dex |
Age | 0.15 ± 0.04 Gyr |
Other designations | |
Database references | |
SIMBAD | data |
HD 72561 is a star in the constellation Hydra. Its apparent magnitude is 5.867. [2] Based on parallax shift, it is located about 1,600 light-years (500 parsecs) away. [1]
HD 72561 is a G-type giant star. It is over 4 times as massive as the Sun and 48 times as wide. It is about 150 million years old. [6]