HD 184010
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File:Starmap with HD 184010 marker based on the open-source Stellarium engine.png Location of HD 184010 in the night sky. The star is marked within the red square. | |
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Vulpecula[1] |
| Right ascension | 19h 31m 21.62s[2] |
| Declination | +26° 37′ 01.8″[2] |
| Apparent magnitude (V) | 5.89[3] |
| Characteristics | |
| Evolutionary stage | red giant branch[3][2] |
| Spectral type | K0 III-IV[3] |
| Astrometry | |
| Radial velocity (Rv) | 5.73±0.12[2] km/s |
| Proper motion (μ) | RA: 10.965 mas/yr[2] Dec.: 25.121 mas/yr[2] |
| Parallax (π) | 16.2940±0.0301 mas[2] |
| Distance | 200.2 ± 0.4 ly (61.4 ± 0.1 pc) |
| Absolute magnitude (MV) | +1.98[1] |
| Details[3] | |
| Mass | 1.35+0.19 −0.21 M☉ |
| Radius | 4.86+0.55 −0.49 R☉ |
| Luminosity | 13.09+3.15 −2.65 L☉ |
| Surface gravity (log g) | 3.18+0.08 −0.07 cgs |
| Temperature | 4,987±10[4] K |
| Metallicity [Fe/H] | −0.17±0.10 dex |
| Rotational velocity (v sin i) | 1.34 km/s |
| Age | 2.76+2.24 −0.95 Gyr |
| Other designations | |
| HIP 96016, HR 7421, TYC 2133-2965-1, GSC 02133-02965, 2MASS J19312163+2637018[5] | |
| Database references | |
| SIMBAD | data |
| Exoplanet Archive | data |
HD 184010 is a single evolved star in the constellation of Vulpecula. Its surface temperature is 4,987±10 K. HD 184010 has an orange/red hue and is visible to the naked eye with an apparent visual magnitude of 5.89. Based upon parallax measurements, it is located 200 light-years in distance from the Sun. The object is drifting further away from the Sun with a radial velocity of +5.73±0.12 km/s.[2]
Planetary system
[edit | edit source]In 2022, three planets orbiting HD 184010 were discovered by the radial velocity method.[3][4]
None of these three planets orbit in the habitable zone and all are believed to be gas giants.[3]
| Companion (in order from star) |
Mass | Semimajor axis (AU) |
Orbital period (days) |
Eccentricity | Inclination | Radius |
|---|---|---|---|---|---|---|
| b | ≥0.31+0.03 −0.04 MJ |
0.940+0.005 −0.001 |
286.6+2.4 −0.7 |
0 | — | — |
| c | ≥0.30+0.03 −0.06 MJ |
1.334+0.013 −0.005 |
484.3+5.5 −3.5 |
0 | — | — |
| d | ≥0.45+0.04 −0.06 MJ |
1.920±0.012 | 836.4±8.4 | 0 | — | — |
See also
[edit | edit source]Notes
[edit | edit source]- ^ The preferred model assumes circular orbits.
References
[edit | edit source]- ^ a b Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
- ^ a b c d e f g Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value). Gaia DR3 record for this source at VizieR.
- ^ a b c d e f g Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
- ^ a b Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
- ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
