Observation data Epoch J2000.0 Equinox J2000.0 ( ICRS) | |
---|---|
Constellation | Capricornus |
Right ascension | 21h 53m 17.77054s [1] |
Declination | −13° 33′ 06.3679″ [1] |
Apparent magnitude (V) | +5.081 [2] |
Characteristics | |
Spectral type | F2 V [3] |
U−B color index | +0.012 [2] |
B−V color index | +0.367 [2] |
Astrometry | |
Proper motion (μ) |
RA: +311.22
[1]
mas/
yr Dec.: +13.46 [1] mas/ yr |
Parallax (π) | 37.57 ± 0.67 mas [1] |
Distance | 87 ± 2
ly (26.6 ± 0.5 pc) |
Absolute magnitude (MV) | +2.96±0.04 [4] |
Details | |
Mass | 1.29 [5] M☉ |
Radius | 1.8 [6] R☉ |
Surface gravity (log g) | 4.28 [5] cgs |
Temperature | 6,892±234 [5] K |
Metallicity [Fe/H] | −0.14 [4] dex |
Rotational velocity (v sin i) | 69.3±3.5 [7] km/s |
Age | 1.6±0.3 [4] Gyr |
Other designations | |
Database references | |
SIMBAD | data |
Mu Capricorni (μ Cap, μ Capricorni) is a solitary [9] star in the southern constellation of Capricornus. Based upon an annual parallax shift of 37.57 mas as seen from the Earth, [1] the star is located about 87 light years from the Sun. It is visible to the naked eye with an apparent visual magnitude of +5.081. [2]
It is a yellow-white hued, F-type main sequence star with a stellar classification of F2 V. [3] It is an estimated 1.6 [4] billion years old and is spinning with a projected rotational velocity of 69 km/s. [7] The star has 1.29 [5] times the mass of the Sun and around 1.8 [6] times the Sun's radius, with an effective temperature of 6,892 K. [5]
In Chinese, 哭 (Kū), meaning Crying, refers to an asterism consisting of μ Capricorni and 38 Aquarii. [10] Consequently, the Chinese name for μ Capricorni itself is 哭一 (Kū yī, English: the First Star of Crying.). [11] From this Chinese name, the name Kuh has appeared. [12]
Observation data Epoch J2000.0 Equinox J2000.0 ( ICRS) | |
---|---|
Constellation | Capricornus |
Right ascension | 21h 53m 17.77054s [1] |
Declination | −13° 33′ 06.3679″ [1] |
Apparent magnitude (V) | +5.081 [2] |
Characteristics | |
Spectral type | F2 V [3] |
U−B color index | +0.012 [2] |
B−V color index | +0.367 [2] |
Astrometry | |
Proper motion (μ) |
RA: +311.22
[1]
mas/
yr Dec.: +13.46 [1] mas/ yr |
Parallax (π) | 37.57 ± 0.67 mas [1] |
Distance | 87 ± 2
ly (26.6 ± 0.5 pc) |
Absolute magnitude (MV) | +2.96±0.04 [4] |
Details | |
Mass | 1.29 [5] M☉ |
Radius | 1.8 [6] R☉ |
Surface gravity (log g) | 4.28 [5] cgs |
Temperature | 6,892±234 [5] K |
Metallicity [Fe/H] | −0.14 [4] dex |
Rotational velocity (v sin i) | 69.3±3.5 [7] km/s |
Age | 1.6±0.3 [4] Gyr |
Other designations | |
Database references | |
SIMBAD | data |
Mu Capricorni (μ Cap, μ Capricorni) is a solitary [9] star in the southern constellation of Capricornus. Based upon an annual parallax shift of 37.57 mas as seen from the Earth, [1] the star is located about 87 light years from the Sun. It is visible to the naked eye with an apparent visual magnitude of +5.081. [2]
It is a yellow-white hued, F-type main sequence star with a stellar classification of F2 V. [3] It is an estimated 1.6 [4] billion years old and is spinning with a projected rotational velocity of 69 km/s. [7] The star has 1.29 [5] times the mass of the Sun and around 1.8 [6] times the Sun's radius, with an effective temperature of 6,892 K. [5]
In Chinese, 哭 (Kū), meaning Crying, refers to an asterism consisting of μ Capricorni and 38 Aquarii. [10] Consequently, the Chinese name for μ Capricorni itself is 哭一 (Kū yī, English: the First Star of Crying.). [11] From this Chinese name, the name Kuh has appeared. [12]