60 Herculis

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60 Herculis
Observation data
Epoch J2000        Equinox J2000
Constellation Hercules
Right ascension 17h 05m 22.69066s [1]
Declination +12° 44 26.9816 [1]
Apparent magnitude  (V)4.871 [2]
Characteristics
Evolutionary stage main sequence [3]
Spectral type A3V [4] or A4IV [5]
U−B color index +0.12 [6]
B−V color index +0.125±0.006 [7]
Astrometry
Radial velocity (Rv)−4.2±2 [8]  km/s
Proper motion (μ)RA: +49.805 [1]   mas/yr
Dec.: −12.030 [1]   mas/yr
Parallax (π)24.3967 ± 0.2232  mas [1]
Distance 134 ± 1  ly
(41.0 ± 0.4  pc)
Absolute magnitude  (MV)1.83 [7]
Details
Mass 1.93±0.01 [3]   M
Radius 1.9 [9]   R
Luminosity 17.159 [3]   L
Surface gravity (log g)4.19±0.03 [10]   cgs
Temperature 8,299 [3]   K
Rotational velocity (v sin i)117 [3]  km/s
Age 327 [11]   Myr
Other designations
60 Her, BD+12° 3142, FK5  635, HD  154494, HIP  83613, HR  6355, SAO  102584 [12]
Database references
SIMBAD data

60 Herculis is a single [13] star located 134 [1]   light years away from the Sun in the northern constellation of Hercules, [12] and is positioned just seven [14] degrees away from Rasalgethi (Alpha Herculis). It is visible to the naked eye as a faint, white-hued star with an apparent visual magnitude of 4.871. [2] This star is moving closer to the Earth with a heliocentric radial velocity of −4 km/s. [8]

Abt and Morrell (1995) assigned this star a stellar classification of A3V, [4] matching an ordinary A-type main-sequence star. However, earlier studies gave it a luminosity class of IV, [5] which suggested it is a subdwarf star. It has a projected rotational velocity of 117 km/s, [3] which is creating an equatorial bulge that is 5% larger than the star's polar radius. [15] The star is 327 [11]  million years old with 1.9 [3] times the Sun's mass. It is radiating 17 [3] times the luminosity of the Sun from its photosphere at an effective temperature of 8,299 K. [3]

Related Research Articles

<span class="mw-page-title-main">Chi Serpentis</span> Star in the constellation Serpens

Chi Serpentis is a solitary star in the Serpens Caput section of the equatorial constellation Serpens. Based upon an annual parallax shift of 14.84 mas as seen from Earth, it is located around 222 light years from the Sun. The star is bright enough to be faintly visible to the naked eye, having an apparent visual magnitude of +5.30.

Epsilon Sextantis, Latinized from ε Sextantis, is a solitary, yellow-white hued star in the equatorial constellation of Sextans. With an apparent visual magnitude of 5.24, it is faintly visible to the naked eye on a dark night. The distance to this star, based upon an annual parallax shift of 16.86 mas, is about 193 light years. It is drifting further away from the Sun with a radial velocity of +15 km/s.

4 Arietis is a single star in the northern constellation of Aries, the ram. 4 Arietis is the Flamsteed designation. It is visible to the naked eye as a dim, blue-white hued star with an apparent visual magnitude of 5.86. The star has an annual parallax shift of 11.46±0.15 mas, which is equivalent to a distance of 285 light-years from the Sun. It is moving further from the Earth with a heliocentric radial velocity of +6 km/s.

<span class="mw-page-title-main">14 Aurigae</span> Quadruple star system in the constellation Auriga

14 Aurigae is a quadruple star system located 269 light years away from the Sun in the zodiac constellation of Auriga. It has the variable star designation KW Aurigae, whereas 14 Aurigae is the Flamsteed designation. It is visible to the naked eye as a faint, white-hued star with a combined apparent visual magnitude of 5.01. The system is moving closer to the Sun with a heliocentric radial velocity of −9 km/s.

<span class="mw-page-title-main">Alpha Chamaeleontis</span> Star in the constellation Chamaleon

Alpha Chamaeleontis, Latinized from α Chamaeleontis, is a solitary star in the southern circumpolar constellation of Chamaeleon. It has an apparent visual magnitude of 4.06 and thus is bright enough to be seen with the naked eye. With an annual parallax shift of 51.12 mas, it is located 63.8 light years from the Sun. The star is drifting closer with a radial velocity of −13 km/s, and is predicted to come to within 47 light-years in 666,000 years.

<span class="mw-page-title-main">Tau Centauri</span> White-hued star in the constellation Centaurus

Tau Centauri, Latinized from τ Centauri, is a solitary star in the southern constellation of Centaurus. It is visible to the naked eye with an apparent visual magnitude of +3.86. The distance to this star, based upon an annual parallax shift of 24.85 mas, is 131 light years. There is a 98% chance that it is a co-moving companion of Gamma Centauri; the two stars have an estimated separation of 1.7 ly (0.53 pc).

HD 118889 is a binary star system in the northern constellation of Boötes. It is faintly visible to the naked eye as a point of light with an apparent visual magnitude of 5.57. The system is located at a distance of approximately 196 light years from the Sun based on stellar parallax, but is drifting closer with a radial velocity of −26 km/s.

<span class="mw-page-title-main">Pi Herculis</span> Star in the constellation Hercules

Pi Herculis is a third-magnitude star in the constellation Hercules. As one of the four stars in the Keystone asterism, it is one of the constellation's more easily recognized. It has an apparent visual magnitude of +3.2, which is visible to the naked eye and makes it one of its brighter members. The Gaia spacecraft mission estimated its distance at roughly 112 parsecs from Earth, or about 367 light years away. The overall reduction in the star's visual magnitude due to extinction from the intervening cosmic dust is 0.11.

<span class="mw-page-title-main">45 Herculis</span> Star in the constellation Hercules

45 Herculis is a solitary variable star in the northern constellation Hercules. It has the Bayer designation l Herculis and the variable star designation V776 Herculis. The Flamsteed designation for this star comes from the publication Historia Coelestis Britannica by John Flamsteed. It is the 45th star in Flamsteed list of stars in the constellation Hercules, and is visible to the naked eye with a baseline apparent visual magnitude of 5.22. Parallax measurements show this star to be about 400 light-years away from the Solar System. It is moving closer to the Earth with a heliocentric radial velocity of −16 km/s.

<span class="mw-page-title-main">Gamma Crateris</span> Star in the constellation Crater

Gamma Crateris is a binary star system, divisible with a small amateur telescope, and located at the center of the southern constellation of Crater. It is visible to the naked eye with an apparent visual magnitude of 4.06. With an annual parallax shift of 39.62 mas as seen from Earth, this star is located 82.3 light years from the Sun. Based upon the motion of this system through space, it is a potential member of the Castor Moving Group.

Tau3 Eridani, Latinized from τ3 Eridani, is a star in the constellation Eridanus. It is visible to the naked eye with an apparent visual magnitude of 4.10. Using the parallax method, the distance to this star can be estimated as 88.6 light years. In 2001 it was reported as a candidate Vega-like star, meaning it appears to radiate an infrared excess from an orbiting circumstellar disk. However, this has not been confirmed.

<span class="mw-page-title-main">Sigma Herculis</span> Binary star in the constellation Hercules

Sigma Herculis, Latinized from σ Her, is a binary star system in the northern constellation of Hercules. It has a combined apparent visual magnitude of 4.18, making it bright enough to be visible to the naked eye. Based upon an annual parallax shift of 10.36 mas as seen from Earth, Sigma Herculis is located about 310 light years away from the Sun.

<span class="mw-page-title-main">Phi Herculis</span> Star in the constellation Hercules

Phi Herculis is a binary star system in the northern constellation of Hercules. Based upon an annual parallax shift of 15.99 mas as seen from Earth, it is located around 204 light years from the Sun. With a combined apparent visual magnitude of 4.24, it is bright enough to be seen with the naked eye.

Chi Herculis, Latinized from χ Herculis, is a Sun-like star in the northern constellation of Hercules. Based upon an annual parallax shift of 63.16 mas as seen from Earth, it is located 51.6 light years from the Sun. The star is faintly visible to the naked eye with an apparent visual magnitude of 4.59. It has a relatively high proper motion, showing a transverse movement of 0.769 arc seconds per year and is drifting closer to the Sun with a radial velocity of −56 km/s.

29 Herculis is a single star located around 351 light years away from the Sun in the northern constellation of Hercules, a few degrees away from Omega Herculis. It has the Bayer designation h Herculis, while 29 Herculis is the Flamsteed designation. This star is visible to the naked eye as a faint, orange-hued point of light with an apparent visual magnitude of 4.84. It is moving further from the Earth with a heliocentric radial velocity of +3 km/s. The star has a relatively high proper motion, traversing the celestial sphere at the rate of 0.195 arc seconds per annum.

Upsilon2 Hydrae, Latinised from υ2 Hydrae, is a solitary star in the equatorial constellation of Hydra. Visible to the naked eye, it is photometrically stable with an apparent visual magnitude of 4.59. Based upon an annual parallax shift of 10.40 mas as seen from Earth, it is located about 314 light-years from the Sun.

Kappa1 Lupi is a solitary star in the southern constellation of Lupus. It is visible to the naked eye with an apparent visual magnitude of 3.86, and forms a double star with Kappa2 Lupi. Based upon an annual parallax shift of 18.12 mas as seen from Earth, it is located about 180 light years from the Sun. Both Kappa1 Lupi and its neighbor Kappa2 Lupi are members of the Hyades Stream, which is a moving group that is coincident with the proper motions of the Hyades cluster.

<span class="mw-page-title-main">Iota Delphini</span> A-type giant star in the constellation Delphinus

Iota Delphini is a star in the constellation Delphinus. It has an apparent magnitude of about 5.4, meaning that it is just barely visible to the naked eye. Based upon parallax measurements made by the Gaia spacecraft, this star is located at a distance of 196 light years.

HR 6594 is the Bright Star Catalogue designation for a binary star system in the northern constellation of Hercules. It is faintly visible to the naked eye with an apparent visual magnitude of 5.54; according to the Bortle scale, it is sufficiently bright to be visible from dark suburban skies. The distance to this system, as determined using parallax measurements, is about 114 light years. It is drifting closer with a heliocentric radial velocity of −43.7 km/s, and is predicted to come as near as 47 light-years in 686,000 years. On the celestial sphere it is located near the star Alpha Ophiuchi; their projected separation is just 3 light years, although their actual separation is much greater.

15 Delphini is a star in the equatorial constellation Delphinus. It has an apparent magnitude of 5.99, allowing it to be faintly seen with the naked eye. The star is relatively close at a distance of 99 light years but is receding with a heliocentric radial velocity of 4.1 km/s.

References

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