Observation data Epoch J2000.0 (ICRS) Equinox J2000.0 (ICRS) | |
---|---|
Constellation | Vela |
Right ascension | 08h 37m 38.63278s [1] |
Declination | −42° 59′ 20.6894″ [1] |
Apparent magnitude (V) | +4.11 [2] |
Characteristics | |
Spectral type | A7Ia [3] or A6II [4] |
B−V color index | 0.109±0.011 [2] |
Astrometry | |
Radial velocity (Rv) | +19.3±0.6 [2] km/s |
Proper motion (μ) | RA: −10.75±0.13 [1] mas/yr Dec.: +9.66±0.12 [1] mas/yr |
Parallax (π) | 1.79 ± 0.15 [1] mas |
Distance | 1,800 ± 200 ly (560 ± 50 pc) |
Absolute magnitude (MV) | −4.61 [2] |
Details | |
Mass | 7.8±0.2 [5] M☉ |
Radius | 33.69+2.42 −3.24 [6] R☉ |
Luminosity | 4,140.2±594.5 [6] L☉ |
Temperature | 7,977+415 −271 [6] K |
Age | 39.8±4.9 [5] Myr |
Other designations | |
Database references | |
SIMBAD | data |
HD 73634 is a single [8] star in the southern constellation of Vela. It has the Bayer designation e Velorum; HD 73634 is the star's designation from the Henry Draper Catalogue . The star is white in hue and is faintly visible to the naked eye, having an apparent visual magnitude of +4.11. [2] Parallax measurements provide a distance estimate of approximately 1,800 light years from the Sun. It is drifting further away with a radial velocity of +19 km/s. [2]
This evolved object has received stellar classifications of A7Ia [3] and A6II, [4] indicating that it is a massive supergiant or bright giant star. It has 7.8 times the mass of the Sun and is around 40 million years old. [5] The star has expanded to nearly 34 times the girth of the Sun and is radiating around 4,140 times the Sun's luminosity from its enlarged photosphere at an effective temperature of 7,977 K. [6]
Epsilon Antliae, Latinized from ε Antliae, is the Bayer designation for a single star in the southern constellation of Antlia, being positioned near the western constellation border and forming part of the main asterism. The apparent visual magnitude of this star is +4.51, which means it is visible to the naked eye. From parallax measurements, the distance to this star is known to be 590 ± 30 light-years. It is drifting further away from the Sun with a radial velocity of +22 km/s.
Theta Apodis is the Bayer designation for a star in the southern circumpolar constellation of Apus. It is a variable star with an apparent visual magnitude range of 4.65 to 6.20, which, according to the Bortle Dark-Sky Scale, means it is a faint star but visible to the naked eye from dark suburban skies. The distance to Theta Apodis is approximately 350 light-years, based upon parallax measurements made from the Gaia telescope. It is unusual in that it is a red star with a high proper motion.
42 Aquarii is a single star located 447 light years away from the Sun in the zodiac constellation of Aquarius. 42 Aquarii is its Flamsteed designation. It is visible to the naked eye as a faint, orange-hued star with an apparent visual magnitude of 5.34. This object is moving further from the Sun with a heliocentric radial velocity of around +13 km/s.
HD 49878 is a single star in the northern circumpolar constellation of Camelopardalis. It has an orange hue and is faintly visible to the naked eye with an apparent visual magnitude of +4.55. The star is located at a distance of approximately 184 light years from the Sun, as determined from its parallax. It is drifting closer with a radial velocity of −29.5 km/s. The star has been listed as a candidate member of the Wolf 630 moving group, but is most likely a field star.
Sigma Capricorni, Latinized from σ Capricorni, is a solitary star in the southern constellation of Capricornus, 0.5 degree north of the ecliptic. It is visible to the naked eye as a dim, orange-hued star with an apparent visual magnitude of +5.31. The star is about 1,070 light years away from the Sun based on parallax, but is drifting closer with a radial velocity of −9.6 km/s.
HD 91942 is a single variable star in the constellation Carina. It has the Bayer designation r Carinae, while HD 91942 is the identifier from the Henry Draper catalogue. This orange-hued object is visible to the naked eye with an apparent visual magnitude of 4.45. Based on parallax measurements, it is located at a distance of approximately 1,180 light years from the Sun. The star has an absolute magnitude of −3.77, and is drifting further away with a radial velocity of +9.9 km/s.
V520 Carinae is a single star in the southern constellation of Carina. It has the Bayer designation w Carinae, while V520 Carinae is a variable star designation. The star has an orange hue and is faintly visible to the naked eye with an apparent visual magnitude that fluctuates around +4.58. It is located at a distance of approximately 1,140 light years from the Sun based on parallax, and it is drifting further away with a radial velocity of +9 km/s. It is a candidate member of the IC 2391 moving group of co-moving stars.
HD 102776, also known by its Bayer designation j Centauri, is a suspected astrometric binary star system in the southern constellation of Centaurus. It has a blue-white hue and is faintly visible to the naked eye with a typical apparent visual magnitude of 4.30. The distance to this star is approximately 600 light years based on parallax, and it is drifting further away with a radial velocity of ~29 km/s. It is a member of the Lower Centaurus Crux subgroup of the Sco OB2 association. HD 102776 has a relatively large peculiar velocity of 31.1 km/s and is a candidate runaway star that was ejected from its association, most likely by a supernova explosion.
HD 125288 is a single star in the southern constellation of Centaurus. It has the Bayer designation v Centauri ; while HD 125288 is the star's identifier in the Henry Draper catalogue. The object has a blue-white hue and is faintly visible to the naked eye with an apparent visual magnitude of 4.30. Based on parallax measurements, it is located at a distance of approximately 1,230 light years from the Sun. This is a candidate runaway star that is moving to the west and falling back into the Galactic plane. It has an absolute magnitude of −3.56.
HD 78004 is a single star in the constellation Vela. It has the Bayer designation c Velorum, while HD 78004 is the identifier from the Henry Draper catalogue. The object has an orange hue and is visible to the naked eye with an apparent visual magnitude of 3.75. It is located at a distance of approximately 320 light years from the Sun based on parallax, and is drifting further away with a radial velocity of +24 km/s.
Zeta Mensae, Latinized from ζ Mensae, is a solitary, white-hued star in the southern constellation of Mensa. It is faintly visible to the naked eye, having an apparent visual magnitude of +5.64. Based upon an annual parallax shift of 8.2879 mas as seen from GAIA, it is located around 394 light years from the Sun. At that distance, the visual magnitude is diminished by an extinction factor of 0.088 due to interstellar dust. Eggen (1995) listed it as a proper motion candidate for membership in the IC 2391 supercluster.
μ Mensae, Latinized as Mu Mensae, is a solitary, blue-white hued star in the southern constellation of Mensa. With an apparent visual magnitude of 5.54, it is just bright enough to be faintly visible to the naked eye. Based upon an annual parallax shift of 6.8405 mas as seen from GAIA, this star is located roughly 477 light years from the Sun. At that distance, the visual magnitude is diminished by an extinction factor of 0.09 due to interstellar dust.
HD 47667 is a single star in the southern constellation of Canis Major. It is visible to the naked eye with an apparent visual magnitude of 4.832. The estimated distance to this star, based upon an annual parallax shift of 3.30±0.35 mas, is roughly 1,000 light years. It is moving further away with a heliocentric radial velocity of +29 km/s. The star made its closest approach to the Sun some 8.7 million years ago at a separation of around 362 ly (111.12 pc).
HD 102350 is a single star in the constellation Centaurus. It has a yellow hue and is visible to the naked eye with an apparent visual magnitude of 4.11. The distance to this star is approximately 390 light years based on parallax, but it is drifting closer with a radial velocity of −3 km/s. It has an absolute magnitude of −1.51.
20 Ceti is a single star located around 590 light years away in the equatorial constellation of Cetus. It is faintly visible to the naked eye with apparent magnitude is 4.76. The Bright Star Catalogue has this star classified as M0III, matching an aging red giant star that has consumed the hydrogen at its core and expanded. Houk and Swift (1999) listed an earlier class of K5 III. It has around 56 times the Sun's radius and is radiating 1,044 times the Sun's luminosity from its enlarged photosphere at an effective temperature of 3,920 K.
Epsilon Crateris is a solitary star in the southern constellation of Crater. Visible to the naked eye, it has an apparent visual magnitude of 4.84. It is located in the sky above Beta Crateris, and slightly to the left, or east, marking the lower right edge of the rim of the bowl and is somewhat closer to Theta Crateris, which is further east at the top of the bowl. With an annual parallax shift of 8.67 mas as seen from the Earth, its estimated distance is around 376 light years from the Sun.
Eta Normae, Latinized from η Normae, is a single star in the southern constellation of Norma. It is visible to the naked eye as a faint, yellow-hued star with an apparent visual magnitude of 4.65. The distance to this star is about 219 light years, based on parallax. The Gamma Normids radiate from a position near this star.
Kappa Normae, Latinized from κ Normae, is a solitary, yellow hued star in the southern constellation of Norma. Its apparent magnitude is 4.94, which is bright enough to be faintly visible to the naked eye. Based upon an annual parallax shift of 7.44 mas as seen from Earth, the system is located about 440 light years from the Sun. It is drifting closer with a radial velocity of 13.5 km/s.
17 Persei is a single star in the northern constellation of Perseus, located about 390 light years away from the Sun. It is visible to the naked eye as a faint, orange-hued star with an apparent visual magnitude of 4.53. This object is moving further from the Earth at a heliocentric radial velocity of +13 km/s.
HD 163376 is a single star in the southern constellation of Scorpius. It has a rudy hue and is faintly visible to the naked eye with an apparent visual magnitude is 4.88. The distance to this star, as determined using parallax measurements, is approximately 450 light years. It is drifting further from the Sun with a radial velocity of about 4 km/s. The absolute magnitude of this star is −0.82.