Observation data Epoch J2000 Equinox J2000 | |
---|---|
Constellation | Orion |
Right ascension | 05h 04m 34.14916s [1] |
Declination | +15° 24′ 14.7771″ [1] |
Apparent magnitude (V) | [2] 4.65 |
Characteristics | |
Spectral type | B9 IV [3] or A1 Vp SiCr [4] |
U−B color index | −0.10 [5] |
B−V color index | −0.06 [5] |
Variable type | α² CVn [2] |
Astrometry | |
Radial velocity (Rv) | +16.80 [6] km/s |
Proper motion (μ) |
RA: +17.80
[1]
mas/
yr Dec.: −31.15 [1] mas/ yr |
Parallax (π) | 8.93 ± 0.24 mas [1] |
Distance | 365 ± 10
ly (112 ± 3 pc) |
Absolute magnitude (MV) | −0.59 [7] |
Details | |
Radius | 3.6 [8] R☉ |
Luminosity | 220 [7] L☉ |
Temperature | 9,520 [3] K |
Rotational velocity (v sin i) | 36 [9] km/s |
Other designations | |
Database references | |
SIMBAD | data |
11 Orionis is a solitary [11] Ap star in the equatorial constellation of Orion, near the border with Taurus. It is visible to the naked eye with an apparent visual magnitude of 4.65, [7] and it is located approximately 365 light years away from the Sun based on parallax. [1] The star is moving further from the Sun with a heliocentric radial velocity of +16.8 km/s. [6]
This object is a chemically peculiar star, known as an Ap star, with enhanced silicon and chromium lines in its spectrum. [13] It is an α² CVn variable, ranging from 4.65 to 4.69 magnitude with a period of 4.64 days. [2] The magnetic field measured from metal lines has a strength of +160±390 G. [14]
Observation data Epoch J2000 Equinox J2000 | |
---|---|
Constellation | Orion |
Right ascension | 05h 04m 34.14916s [1] |
Declination | +15° 24′ 14.7771″ [1] |
Apparent magnitude (V) | [2] 4.65 |
Characteristics | |
Spectral type | B9 IV [3] or A1 Vp SiCr [4] |
U−B color index | −0.10 [5] |
B−V color index | −0.06 [5] |
Variable type | α² CVn [2] |
Astrometry | |
Radial velocity (Rv) | +16.80 [6] km/s |
Proper motion (μ) |
RA: +17.80
[1]
mas/
yr Dec.: −31.15 [1] mas/ yr |
Parallax (π) | 8.93 ± 0.24 mas [1] |
Distance | 365 ± 10
ly (112 ± 3 pc) |
Absolute magnitude (MV) | −0.59 [7] |
Details | |
Radius | 3.6 [8] R☉ |
Luminosity | 220 [7] L☉ |
Temperature | 9,520 [3] K |
Rotational velocity (v sin i) | 36 [9] km/s |
Other designations | |
Database references | |
SIMBAD | data |
11 Orionis is a solitary [11] Ap star in the equatorial constellation of Orion, near the border with Taurus. It is visible to the naked eye with an apparent visual magnitude of 4.65, [7] and it is located approximately 365 light years away from the Sun based on parallax. [1] The star is moving further from the Sun with a heliocentric radial velocity of +16.8 km/s. [6]
This object is a chemically peculiar star, known as an Ap star, with enhanced silicon and chromium lines in its spectrum. [13] It is an α² CVn variable, ranging from 4.65 to 4.69 magnitude with a period of 4.64 days. [2] The magnetic field measured from metal lines has a strength of +160±390 G. [14]