XO-3
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| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Camelopardalis[1] |
| Right ascension | Template:RA[2] |
| Declination | Template:DEC[2] |
| Apparent magnitude (V) | 9.80 ± 0.03[3] |
| Characteristics | |
| Evolutionary stage | main sequence[2] |
| Spectral type | F5V[3] |
| Apparent magnitude (B) | 10.25 ± 0.03[3] |
| Apparent magnitude (V) | 9.80 ± 0.03[3] |
| Apparent magnitude (J) | 9.013 ± 0.029[4] |
| Apparent magnitude (H) | 8.845 ± 0.018[4] |
| Apparent magnitude (K) | 8.791 ± 0.019[4] |
| Astrometry | |
| Radial velocity (Rv) | Script error: No such module "val".[2] km/s |
| Proper motion (μ) | RA: Script error: No such module "val". mas/yr[2] Dec.: Script error: No such module "val". mas/yr[2] |
| Parallax (π) | 4.8687±0.0261 mas[2] |
| Distance | Template:Rnd ± Template:Rnd ly (Template:Rnd ± Template:Rnd pc) |
| Details[5] | |
| Mass | Script error: No such module "val". Template:Solar mass |
| Radius | Script error: No such module "val". Template:Solar radius |
| Luminosity | Script error: No such module "val". Template:Solar luminosity |
| Surface gravity (log g) | Script error: No such module "val". cgs |
| Temperature | Script error: No such module "val". K |
| Metallicity [Fe/H] | Script error: No such module "val". dex |
| Rotational velocity (v sin i) | Script error: No such module "val". km/s |
| Age | Script error: No such module "val". Gyr |
| Metallicity [Fe/H] | {{{metal_fe2}}} dex |
| Other designations | |
| XO-3, Template:Odlist[6] | |
| Database references | |
| SIMBAD | data |
| Exoplanet Archive | data |
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XO-3 is a star Script error: No such module "convert". away in the constellation Camelopardalis. The star has a magnitude of 10 and is not visible to the naked eye but is visible through a small telescope.[3] A search for a binary companion star using adaptive optics at the MMT Observatory was negative.[7]
Planetary system
In 2007 the gas giant exoplanet XO-3b was discovered by the XO Telescope using the transit method. This object may be classed as a brown dwarf because of its high mass, near the Template:Jupiter mass limit for deuterium fusion.[3][8] The planetary orbit is misaligned from the stellar rotation.[9][10]
Template:OrbitboxPlanet begin Template:OrbitboxPlanet
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References
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- ↑ a b c d e f Template:Cite DR3
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External links
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