Observation data Epoch J2000.0 Equinox J2000.0 ( ICRS) | |
---|---|
Constellation | Fornax |
Right ascension | 03h 42m 14.90238s [1] |
Declination | −31° 56′ 18.0961″ [1] |
Apparent magnitude (V) | 5.00 [2] |
Characteristics | |
Spectral type | B5 III [3] |
U−B color index | −0.60 [2] |
B−V color index | −0.16 [2] |
Astrometry | |
Radial velocity (Rv) | +26.00 [4] km/s |
Proper motion (μ) |
RA: +4.942
[1]
mas/
yr Dec.: +13.326 [1] mas/ yr |
Parallax (π) | 4.1125 ± 0.2114 mas [1] |
Distance | 790 ± 40
ly (240 ± 10 pc) |
Absolute magnitude (MV) | −2.07 [5] |
Details | |
Mass | 5.9±0.2 [6] M☉ |
Radius | 6.0 [7] R☉ |
Luminosity | 1,291 [8] L☉ |
Temperature | 16,230±930 [9] K |
Rotational velocity (v sin i) | 185 [10] km/s |
Age | 63.1±16.1 [6] Myr |
Other designations | |
Database references | |
SIMBAD | data |
Delta Fornacis, Latinized from δ Fornacis, is a solitary, [12] blue-white hued star near the middle of the southern constellation of Fornax. With an apparent visual magnitude of 5.00, [2] it is faintly visible to the naked eye at night. The star has an annual parallax shift of 4.1 mas, [1] indicating it lies at a distance of approximately 790 light years from the Sun. It is drifting further away with a radial velocity of +26 km/s. [4]
The stellar classification of Delta Fornacis is B5 III, [3] matching an evolved B-type giant star. It has an angular diameter of 0.215±0.015 mas, [9] which, at the estimated distance of the star, yields a physical size of around 6 times the radius of the Sun. [7] Around 63 million years old, [6] the star is spinning rapidly with a projected rotational velocity of 185 km/s. [10] It has an estimated 5.9 [6] times the Sun's mass and radiates 1,291 [8] times the solar luminosity from its outer atmosphere at an effective temperature of 16,230 K. [9]
Observation data Epoch J2000.0 Equinox J2000.0 ( ICRS) | |
---|---|
Constellation | Fornax |
Right ascension | 03h 42m 14.90238s [1] |
Declination | −31° 56′ 18.0961″ [1] |
Apparent magnitude (V) | 5.00 [2] |
Characteristics | |
Spectral type | B5 III [3] |
U−B color index | −0.60 [2] |
B−V color index | −0.16 [2] |
Astrometry | |
Radial velocity (Rv) | +26.00 [4] km/s |
Proper motion (μ) |
RA: +4.942
[1]
mas/
yr Dec.: +13.326 [1] mas/ yr |
Parallax (π) | 4.1125 ± 0.2114 mas [1] |
Distance | 790 ± 40
ly (240 ± 10 pc) |
Absolute magnitude (MV) | −2.07 [5] |
Details | |
Mass | 5.9±0.2 [6] M☉ |
Radius | 6.0 [7] R☉ |
Luminosity | 1,291 [8] L☉ |
Temperature | 16,230±930 [9] K |
Rotational velocity (v sin i) | 185 [10] km/s |
Age | 63.1±16.1 [6] Myr |
Other designations | |
Database references | |
SIMBAD | data |
Delta Fornacis, Latinized from δ Fornacis, is a solitary, [12] blue-white hued star near the middle of the southern constellation of Fornax. With an apparent visual magnitude of 5.00, [2] it is faintly visible to the naked eye at night. The star has an annual parallax shift of 4.1 mas, [1] indicating it lies at a distance of approximately 790 light years from the Sun. It is drifting further away with a radial velocity of +26 km/s. [4]
The stellar classification of Delta Fornacis is B5 III, [3] matching an evolved B-type giant star. It has an angular diameter of 0.215±0.015 mas, [9] which, at the estimated distance of the star, yields a physical size of around 6 times the radius of the Sun. [7] Around 63 million years old, [6] the star is spinning rapidly with a projected rotational velocity of 185 km/s. [10] It has an estimated 5.9 [6] times the Sun's mass and radiates 1,291 [8] times the solar luminosity from its outer atmosphere at an effective temperature of 16,230 K. [9]