HD 125595
HD 125595
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| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
Constellation | Centaurus |
Right ascension | 14h 21m 23.186s[1] |
Declination | −40° 23′ 38.21″[1] |
Apparent magnitude (V) | 9.03 |
| Characteristics | |
Spectral type | K4V[2] |
Apparent magnitude (B) | 10.13 |
Apparent magnitude (J) | 7.097 |
Apparent magnitude (H) | 6.608 |
Apparent magnitude (K) | 6.447 |
| B−V color index | 1.10 |
| Astrometry | |
| Radial velocity (Rv) | 3.1 km/s |
| Proper motion (μ) | RA: −561.46 ± 1.05[1] mas/yr Dec.: −67.06 ± 0.85[1] mas/yr |
| Parallax (π) | 35.77 ± 1.04[1] mas |
| Distance | 91 ± 3 ly (28.0 ± 0.8 pc) |
| Absolute magnitude (MV) | 6.84 |
| Details | |
| Mass | 0.68 M☉ |
| Radius | 0.78 ± 0.07 R☉ |
| Luminosity | 0.239 ± 0.020 L☉ |
| Surface gravity (log g) | 4.29 cgs |
| Temperature | 4590 ± 100 K |
| Metallicity | 0.02 |
| Rotation | 7006321408000000000♠37.2±2.0 d[2] |
| Other designations | |
CD−39°8857, GCRV 64739, Gliese 545.1, HIP 70170, LHS 2900, LPM 523, LTT 5648, NLTT 37029, PPM 319432 | |
| Database references | |
| SIMBAD | data |
| Exoplanet Archive | data |
| Extrasolar Planets Encyclopaedia | data |
HD 125595 is a 9th magnitude K-type main sequence star located approximately 89 light years away in the constellation Centaurus. This star is smaller, cooler, dimmer, and less massive than our Sun. Also its metal content is 4% more than the Sun. In 2009, a gas giant planet was found in orbit around the star.
Planetary system[edit]
HD 125595 b is an extrasolar planet which orbits the star. This planet has at least 14 times the mass of Earth and takes 9 days and 16 hours to orbit the star at a semimajor axis of 0.081 AU.[3]
| Companion (in order from star) | Mass | Semimajor axis (AU) | Orbital period (days) | Eccentricity | Inclination | Radius |
|---|---|---|---|---|---|---|
b | ≥0.045 MJ | 0.0809 ± 0.0014 | 9.6737 ± 0.0039 | 0 | — | — |
See also[edit]
- List of extrasolar planets
References[edit]
^ abcde van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653–664. arXiv:0708.1752. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357..mw-parser-output cite.citation{font-style:inherit}.mw-parser-output q{quotes:"""""""'""'"}.mw-parser-output code.cs1-code{color:inherit;background:inherit;border:inherit;padding:inherit}.mw-parser-output .cs1-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Lock-green.svg/9px-Lock-green.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-lock-limited a,.mw-parser-output .cs1-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Lock-gray-alt-2.svg/9px-Lock-gray-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Lock-red-alt-2.svg/9px-Lock-red-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration{color:#555}.mw-parser-output .cs1-subscription span,.mw-parser-output .cs1-registration span{border-bottom:1px dotted;cursor:help}.mw-parser-output .cs1-hidden-error{display:none;font-size:100%}.mw-parser-output .cs1-visible-error{font-size:100%}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration,.mw-parser-output .cs1-format{font-size:95%}.mw-parser-output .cs1-kern-left,.mw-parser-output .cs1-kern-wl-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right,.mw-parser-output .cs1-kern-wl-right{padding-right:0.2em}
Vizier catalog entry
^ ab Suárez Mascareño, A.; et al. (September 2015), "Rotation periods of late-type dwarf stars from time series high-resolution spectroscopy of chromospheric indicators", Monthly Notices of the Royal Astronomical Society, 452 (3): 2745–2756, arXiv:1506.08039, Bibcode:2015MNRAS.452.2745S, doi:10.1093/mnras/stv1441.
^ ab Ségransan, D.; et al. (2011). "The HARPS search for southern extra-solar planets. XXIX. Four new planets in orbit around the moderately active dwarfs HD 63765, HD 104067, HD 125595, and HIP 70849". Astronomy and Astrophysics. 535. A54. arXiv:1107.0339. Bibcode:2011A&A...535A..54S. doi:10.1051/0004-6361/200913580.
Coordinates: 
14h 21m 23.1859s, −40° 23′ 38.211″
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Categories:
- K-type main-sequence stars
- Henry Draper Catalogue objects
- Hipparcos objects
- Centaurus (constellation)
- Planetary systems
- Durchmusterung objects
- Main-sequence-star stubs
- Exoplanet stubs
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