| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Carina |
| Right ascension | 10h 57m 03.02157s [1] |
| Declination | −68° 40′ 02.4492″ [1] |
| Apparent magnitude (V) | 7.36 |
| Characteristics | |
| Evolutionary stage | Pre-main-sequence star [2] |
| Spectral type | A8 [3] |
| Astrometry | |
| Radial velocity (Rv) | 18.04±0.16 [1] km/s |
| Proper motion (μ) |
RA: −41.128
mas/
yr
[1] Dec.: 12.861 mas/ yr [1] |
| Parallax (π) | 11.5659 ± 0.0187 mas [1] |
| Distance | 282.0 ± 0.5
ly (86.5 ± 0.1 pc) |
| Details [3] | |
| Mass | 1.6±0.1 M☉ |
| Luminosity | 5.7±1.7 L☉ |
| Surface gravity (log g) | 4.0±0.5 cgs |
| Temperature | 7750±250 K |
| Metallicity [Fe/H] | −0.25±0.5 dex |
| Rotational velocity (v sin i) | 20 ± 10 km/s |
| Age | 13.3+1.1 −0.6 [4] Myr |
| Other designations | |
| Database references | |
| SIMBAD | data |
HD 95086 is a pre-main-sequence star [2] about 282 light-years (86 parsecs) away. Its surface temperature is 7,750±250 K. HD 95086 is somewhat metal-deficient in comparison to the Sun, with a metallicity Fe/H index of −0.25±0.5 (~55%), and is much younger at an age of 13.3 million years. [4] It was originally thought to be part of the Lower Centaurus-Crux association, until it was found using Gaia data that the star may be instead part of the Carina association. [4]
Multiplicity surveys did not detect any stellar companions to HD 95086 as of 2013. [6]
The designation HD 95086 comes from the Henry Draper Catalogue.
In August 2022, this planetary system was included among 20 systems to be named by the third NameExoWorlds project. [7] The approved names, proposed by a team from Greece, were announced in June 2023. HD 95086 is named Aiolos after a Greek mythological figure, and its planet is named Levantes, from a modern Greek word referring to easterly Mediterranean winds. [8]
In 2013, one planet, named HD 95086 b, was discovered on a wide orbit by direct imaging. [9] The discovery was confirmed in 2014. [10]
Besides the planet, the star is surrounded by a complex, relatively massive (0.5±0.2 ME) debris disk, which may consist of up to four belts (Hot, Warm, Cold and Halo) separated by gaps. [3] A small amount (1.4–13)×10−6 ME of gaseous carbon monoxide was detected in the outer disk, implying a recent collisional cascade followed by cometary activity of fresh debris. [11]
| Companion (in order from star) |
Mass |
Semimajor axis ( AU) |
Orbital period ( years) |
Eccentricity | Inclination | Radius |
|---|---|---|---|---|---|---|
| Warm debris disk | 7–10 [3] AU | — | — | |||
| b / Levantes | 4.5±0.5 MJ | 51.45±4.66 | 70.98±55.01 | 0.16±0.09 | 106±49 ° | — |
| Cold debris disk | 106–320 [3] AU | 90±3 [3] ° | — | |||
- ^ a b c d e Vallenari, A.; et al. (Gaia collaboration) (2023). "Gaia Data Release 3. Summary of the content and survey properties". Astronomy and Astrophysics. 674: A1. arXiv: 2208.00211. Bibcode: 2023A&A...674A...1G. doi: 10.1051/0004-6361/202243940. S2CID 244398875. Gaia DR3 record for this source at VizieR.
- ^ a b Meshkat, T.; Bailey, V.; Rameau, J.; Bonnefoy, M.; Boccaletti, A.; Mamajek, E. E.; Kenworthy, M.; Chauvin, G.; Lagrange, A. -M.; Su, K. Y. L.; Currie, T. (October 2013). "Further Evidence of the Planetary Nature of HD 95086 b from Gemini/NICI H-band Data". The Astrophysical Journal Letters. 775 (2): L40. arXiv: 1309.0543. Bibcode: 2013ApJ...775L..40M. doi: 10.1088/2041-8205/775/2/L40. L40.
- ^ a b c d e f Chauvin, G.; Gratton, R.; Bonnefoy, M.; Lagrange, A. -M.; de Boer, J.; Vigan, A.; Beust, H.; Lazzoni, C.; Boccaletti, A.; Galicher, R.; Desidera, S.; Delorme, P.; Keppler, M.; Lannier, J.; Maire, A. -L.; Mesa, D.; Meunier, N.; Kral, Q.; Henning, T.; Menard, F.; Moor, A.; Avenhaus, H.; Bazzon, A.; Janson, M.; Beuzit, J. -L.; Bhowmik, T.; Bonavita, M.; Borgniet, S.; Brandner, W.; et al. (2018), Investigating the young Solar System analog HD 95086 A combined HARPS and SPHERE exploration, arXiv: 1801.05850
- ^ a b c Desgrange, C.; et al. (2022). "In-depth direct imaging and spectroscopic characterization of the young Solar System analog HD 95086". Astronomy & Astrophysics. 664: A139. arXiv: 2206.00425. Bibcode: 2022A&A...664A.139D. doi: 10.1051/0004-6361/202243097. S2CID 248874069.
- ^ "HD 95086". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2021-02-15.
- ^ De Rosa, R. J.; Patience, J.; Wilson, P. A.; Schneider, A.; Wiktorowicz, S. J.; Vigan, A.; Marois, C.; Song, I.; Macintosh, B.; Graham, J. R.; Doyon, R.; Bessell, M. S.; Thomas, S.; Lai, O. (2013), "The VAST Survey – III. The multiplicity of A-type stars within 75 pc", Monthly Notices of the Royal Astronomical Society, 437 (2): 1216–1240, arXiv: 1311.7141, Bibcode: 2014MNRAS.437.1216D, doi: 10.1093/mnras/stt1932
- ^ "List of ExoWorlds 2022". nameexoworlds.iau.org. IAU. 8 August 2022. Retrieved 27 August 2022.
- ^ "2022 Approved Names". nameexoworlds.iau.org. IAU. Retrieved 7 June 2023.
- ^ Rameau, J.; Chauvin, G.; Lagrange, A.-M.; Boccaletti, A.; Quanz, S. P.; Bonnefoy, M.; Girard, J. H.; Delorme, P.; Desidera, S.; Klahr, H.; Mordasini, C.; Dumas, C.; Bonavita, M.; Meshkat, T.; Bailey, V.; Kenworthy, M. (2013), "Discovery of a probable 4 − 5 Jupiter-mass exoplanet to HD 95086 by direct-imaging", The Astrophysical Journal, 772 (2): L15, arXiv: 1305.7428, Bibcode: 2013ApJ...772L..15R, doi: 10.1088/2041-8205/772/2/L15, S2CID 56062429
- ^ Galicher, Raphael; Rameau, Julien; Bonnefoy, Mickael; Baudino, Jean-Loup; Currie, Thayne; Boccaletti, Anthony; Chauvin, Gael; Lagrange, Anne-Marie; Marois, Christian (2014), "Near-infrared detection and characterization of the exoplanet HD 95086 b with the Gemini Planet Imager", Astronomy and Astrophysics, 565: L4, arXiv: 1404.4635, Bibcode: 2014A&A...565L...4G, doi: 10.1051/0004-6361/201423839, S2CID 55041736
- ^ Booth, Mark; Matrà, Luca; Su, Kate Y L.; Kral, Quentin; Hales, Antonio S.; Dent, William R F.; Hughes, A Meredith; MacGregor, Meredith A.; Löhne, Torsten; Wilner, David J. (2019), "Deep ALMA Search for CO Gas in the HD 95086 Debris Disc", Monthly Notices of the Royal Astronomical Society, 482 (3): 3443–3452, arXiv: 1811.00412, doi: 10.1093/mnras/sty2993
- ^ Le Coroller, H.; Nowak, M.; Delorme, P.; Chauvin, G.; Gratton, R.; Devinat, M.; Bec-Canet, J.; Schneeberger, A.; Estevez, D.; Arnold, L.; Beust, H.; Bonnefoy, M.; Boccaletti, A.; Desgrange, C.; Desidera, S.; Galicher, R.; Lagrange, A. M.; Langlois, M.; Maire, A. L.; Menard, F.; Vernazza, P.; Vigan, A.; Zurlo, A.; Fenouillet, T.; Lambert, J. C.; Bonavita, M.; Cheetham, A.; Dorazi, V.; Feldt, M.; et al. (2020), "K-Stacker, an algorithm to hack the orbital parameters of planets hidden in high-contrast imaging First applications to VLT/SPHERE multi-epoch observations", Astronomy & Astrophysics, A113: 639, arXiv: 2004.12878, Bibcode: 2020A&A...639A.113L, doi: 10.1051/0004-6361/202037605, S2CID 216553439
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Star clusters |
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| Nebulae |
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| Galaxies |
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| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Carina |
| Right ascension | 10h 57m 03.02157s [1] |
| Declination | −68° 40′ 02.4492″ [1] |
| Apparent magnitude (V) | 7.36 |
| Characteristics | |
| Evolutionary stage | Pre-main-sequence star [2] |
| Spectral type | A8 [3] |
| Astrometry | |
| Radial velocity (Rv) | 18.04±0.16 [1] km/s |
| Proper motion (μ) |
RA: −41.128
mas/
yr
[1] Dec.: 12.861 mas/ yr [1] |
| Parallax (π) | 11.5659 ± 0.0187 mas [1] |
| Distance | 282.0 ± 0.5
ly (86.5 ± 0.1 pc) |
| Details [3] | |
| Mass | 1.6±0.1 M☉ |
| Luminosity | 5.7±1.7 L☉ |
| Surface gravity (log g) | 4.0±0.5 cgs |
| Temperature | 7750±250 K |
| Metallicity [Fe/H] | −0.25±0.5 dex |
| Rotational velocity (v sin i) | 20 ± 10 km/s |
| Age | 13.3+1.1 −0.6 [4] Myr |
| Other designations | |
| Database references | |
| SIMBAD | data |
HD 95086 is a pre-main-sequence star [2] about 282 light-years (86 parsecs) away. Its surface temperature is 7,750±250 K. HD 95086 is somewhat metal-deficient in comparison to the Sun, with a metallicity Fe/H index of −0.25±0.5 (~55%), and is much younger at an age of 13.3 million years. [4] It was originally thought to be part of the Lower Centaurus-Crux association, until it was found using Gaia data that the star may be instead part of the Carina association. [4]
Multiplicity surveys did not detect any stellar companions to HD 95086 as of 2013. [6]
The designation HD 95086 comes from the Henry Draper Catalogue.
In August 2022, this planetary system was included among 20 systems to be named by the third NameExoWorlds project. [7] The approved names, proposed by a team from Greece, were announced in June 2023. HD 95086 is named Aiolos after a Greek mythological figure, and its planet is named Levantes, from a modern Greek word referring to easterly Mediterranean winds. [8]
In 2013, one planet, named HD 95086 b, was discovered on a wide orbit by direct imaging. [9] The discovery was confirmed in 2014. [10]
Besides the planet, the star is surrounded by a complex, relatively massive (0.5±0.2 ME) debris disk, which may consist of up to four belts (Hot, Warm, Cold and Halo) separated by gaps. [3] A small amount (1.4–13)×10−6 ME of gaseous carbon monoxide was detected in the outer disk, implying a recent collisional cascade followed by cometary activity of fresh debris. [11]
| Companion (in order from star) |
Mass |
Semimajor axis ( AU) |
Orbital period ( years) |
Eccentricity | Inclination | Radius |
|---|---|---|---|---|---|---|
| Warm debris disk | 7–10 [3] AU | — | — | |||
| b / Levantes | 4.5±0.5 MJ | 51.45±4.66 | 70.98±55.01 | 0.16±0.09 | 106±49 ° | — |
| Cold debris disk | 106–320 [3] AU | 90±3 [3] ° | — | |||
- ^ a b c d e Vallenari, A.; et al. (Gaia collaboration) (2023). "Gaia Data Release 3. Summary of the content and survey properties". Astronomy and Astrophysics. 674: A1. arXiv: 2208.00211. Bibcode: 2023A&A...674A...1G. doi: 10.1051/0004-6361/202243940. S2CID 244398875. Gaia DR3 record for this source at VizieR.
- ^ a b Meshkat, T.; Bailey, V.; Rameau, J.; Bonnefoy, M.; Boccaletti, A.; Mamajek, E. E.; Kenworthy, M.; Chauvin, G.; Lagrange, A. -M.; Su, K. Y. L.; Currie, T. (October 2013). "Further Evidence of the Planetary Nature of HD 95086 b from Gemini/NICI H-band Data". The Astrophysical Journal Letters. 775 (2): L40. arXiv: 1309.0543. Bibcode: 2013ApJ...775L..40M. doi: 10.1088/2041-8205/775/2/L40. L40.
- ^ a b c d e f Chauvin, G.; Gratton, R.; Bonnefoy, M.; Lagrange, A. -M.; de Boer, J.; Vigan, A.; Beust, H.; Lazzoni, C.; Boccaletti, A.; Galicher, R.; Desidera, S.; Delorme, P.; Keppler, M.; Lannier, J.; Maire, A. -L.; Mesa, D.; Meunier, N.; Kral, Q.; Henning, T.; Menard, F.; Moor, A.; Avenhaus, H.; Bazzon, A.; Janson, M.; Beuzit, J. -L.; Bhowmik, T.; Bonavita, M.; Borgniet, S.; Brandner, W.; et al. (2018), Investigating the young Solar System analog HD 95086 A combined HARPS and SPHERE exploration, arXiv: 1801.05850
- ^ a b c Desgrange, C.; et al. (2022). "In-depth direct imaging and spectroscopic characterization of the young Solar System analog HD 95086". Astronomy & Astrophysics. 664: A139. arXiv: 2206.00425. Bibcode: 2022A&A...664A.139D. doi: 10.1051/0004-6361/202243097. S2CID 248874069.
- ^ "HD 95086". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2021-02-15.
- ^ De Rosa, R. J.; Patience, J.; Wilson, P. A.; Schneider, A.; Wiktorowicz, S. J.; Vigan, A.; Marois, C.; Song, I.; Macintosh, B.; Graham, J. R.; Doyon, R.; Bessell, M. S.; Thomas, S.; Lai, O. (2013), "The VAST Survey – III. The multiplicity of A-type stars within 75 pc", Monthly Notices of the Royal Astronomical Society, 437 (2): 1216–1240, arXiv: 1311.7141, Bibcode: 2014MNRAS.437.1216D, doi: 10.1093/mnras/stt1932
- ^ "List of ExoWorlds 2022". nameexoworlds.iau.org. IAU. 8 August 2022. Retrieved 27 August 2022.
- ^ "2022 Approved Names". nameexoworlds.iau.org. IAU. Retrieved 7 June 2023.
- ^ Rameau, J.; Chauvin, G.; Lagrange, A.-M.; Boccaletti, A.; Quanz, S. P.; Bonnefoy, M.; Girard, J. H.; Delorme, P.; Desidera, S.; Klahr, H.; Mordasini, C.; Dumas, C.; Bonavita, M.; Meshkat, T.; Bailey, V.; Kenworthy, M. (2013), "Discovery of a probable 4 − 5 Jupiter-mass exoplanet to HD 95086 by direct-imaging", The Astrophysical Journal, 772 (2): L15, arXiv: 1305.7428, Bibcode: 2013ApJ...772L..15R, doi: 10.1088/2041-8205/772/2/L15, S2CID 56062429
- ^ Galicher, Raphael; Rameau, Julien; Bonnefoy, Mickael; Baudino, Jean-Loup; Currie, Thayne; Boccaletti, Anthony; Chauvin, Gael; Lagrange, Anne-Marie; Marois, Christian (2014), "Near-infrared detection and characterization of the exoplanet HD 95086 b with the Gemini Planet Imager", Astronomy and Astrophysics, 565: L4, arXiv: 1404.4635, Bibcode: 2014A&A...565L...4G, doi: 10.1051/0004-6361/201423839, S2CID 55041736
- ^ Booth, Mark; Matrà, Luca; Su, Kate Y L.; Kral, Quentin; Hales, Antonio S.; Dent, William R F.; Hughes, A Meredith; MacGregor, Meredith A.; Löhne, Torsten; Wilner, David J. (2019), "Deep ALMA Search for CO Gas in the HD 95086 Debris Disc", Monthly Notices of the Royal Astronomical Society, 482 (3): 3443–3452, arXiv: 1811.00412, doi: 10.1093/mnras/sty2993
- ^ Le Coroller, H.; Nowak, M.; Delorme, P.; Chauvin, G.; Gratton, R.; Devinat, M.; Bec-Canet, J.; Schneeberger, A.; Estevez, D.; Arnold, L.; Beust, H.; Bonnefoy, M.; Boccaletti, A.; Desgrange, C.; Desidera, S.; Galicher, R.; Lagrange, A. M.; Langlois, M.; Maire, A. L.; Menard, F.; Vernazza, P.; Vigan, A.; Zurlo, A.; Fenouillet, T.; Lambert, J. C.; Bonavita, M.; Cheetham, A.; Dorazi, V.; Feldt, M.; et al. (2020), "K-Stacker, an algorithm to hack the orbital parameters of planets hidden in high-contrast imaging First applications to VLT/SPHERE multi-epoch observations", Astronomy & Astrophysics, A113: 639, arXiv: 2004.12878, Bibcode: 2020A&A...639A.113L, doi: 10.1051/0004-6361/202037605, S2CID 216553439
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Star clusters |
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| Nebulae |
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| Galaxies |
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