HD 196050
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Pavo |
| Right ascension | Template:RA[1] |
| Declination | Template:DEC[1] |
| Apparent magnitude (V) | 7.50[2] + 10.62[3] + 15.6[3] |
| Characteristics | |
| Spectral type | G3V[4] + M1.5-M4.5 + M2.5-M5.5[3] |
| B−V Template:Engvar | Script error: No such module "val".[2] |
| Astrometry | |
| Radial velocity (Rv) | Script error: No such module "val".[1] km/s |
| Proper motion (μ) | RA: Script error: No such module "val". mas/yr[1] Dec.: Script error: No such module "val". mas/yr[1] |
| Parallax (π) | 19.7872±0.0205 mas[1] |
| Distance | Template:Rnd ± Template:Rnd ly (Template:Rnd ± Template:Rnd pc) |
| Absolute magnitude (MV) | 4.01[2] |
| Details[5] | |
| A | |
| Mass | Script error: No such module "val".[6] Template:Solar mass |
| Radius | Script error: No such module "val". Template:Solar radius |
| Luminosity | Script error: No such module "val".[6] Template:Solar luminosity |
| Surface gravity (log g) | 4.32 cgs |
| Temperature | Script error: No such module "val".[6] K |
| Metallicity [Fe/H] | Script error: No such module "val". dex |
| Rotation | Script error: No such module "val".[7] |
| Rotational velocity (v sin i) | 3.0 km/s |
| Age | Script error: No such module "val". Gyr |
| Metallicity [Fe/H] | {{{metal_fe2}}} dex |
| Other designations | |
| Template:Odlist[8] | |
| Database references | |
| SIMBAD | data |
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HD 196050 is a triple star[9][3] system located in the southern constellation of Pavo. This system has an apparent magnitude of 7.50[2] and the absolute magnitude is 4.01.[2] It is located at a distance of Script error: No such module "convert". from the Sun based on parallax, and is drifting further away with a radial velocity of +61 km/s.[1] It is also called by the Hipparcos designation HIP 101806.
Characteristics
The primary component is a G-type main-sequence star with a stellar classification of G3V.[4] It has a quiescent chromosphere and does not appear to be variable.[9] The star has 18%[6] more mass than the Sun and a 46% greater size. It is around 2.5 billion years old with a higher than solar metallicity, and is spinning with a projected rotational velocity of 3 km/s.[5] The star is radiating 2.21[6] times the luminosity of the Sun from its photosphere at an effective temperature of 5,834 K.[6]
A faint co-moving companion star, designated component B, was detected based on observations during 2003–2004,[9] located Script error: No such module "val".[3] to the south of the primary component. This corresponds to a projected separation of Script error: No such module "val"..[9] The star is magnitude 10.62[3] A third companion, component C, was discovered in 2007, located about Script error: No such module "val". from component B.[10] It has a visual magnitude of 15.6.[3]
Planetary system
In 2002, the Anglo-Australian Planet Search team announced the discovery of an extrasolar planet orbiting the star.[11] The discovery was independently confirmed by the Geneva Extrasolar Planet Search team.[7] In 2023, the inclination and true mass of HD 196050 b were determined via astrometry.[12]
Template:OrbitboxPlanet begin Template:OrbitboxPlanet
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See also
References
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- ↑ a b c d e f Template:Cite Gaia DR2
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Further reading
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