Gliese 588

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Gliese 588
Observation data
Epoch J2000       Equinox J2000
Constellation Lupus
Right ascension 15h 32m 12.93186s [1]
Declination −41° 16′ 32.1081″ [1]
Apparent magnitude  (V)9.311
Characteristics
Spectral type M2.5V [2]
U−B color index +1.14 [3]
B−V color index +1.51 [3]
Astrometry
Radial velocity (Rv)15.50 km/s
Proper motion (μ)RA: -1176.447 [4]   mas/yr
Dec.: -1030.9703 [4]   mas/yr
Parallax (π)168.9965 ± 0.0270  mas [4]
Distance 19.300 ± 0.003  ly
(5.9173 ± 0.0009  pc)
Absolute magnitude  (MV)10.44 [5]
Details [6]
Mass 0.43±0.05  M☉
Radius 0.42±0.03  R☉
Surface gravity (log g)4.82±0.08  cgs
Temperature 3555±41  K
Metallicity [Fe/H]0.06±0.08  dex
Rotation 61.3±6.5 d [7]
Other designations
CD-40° 9712, GJ 588, HIP 76074, LHS 397, LTT 6210, TYC 7844-1976-1, 2MASS J15321302-4116314 [2]
Database references
SIMBAD data
Lupus constellation map.svg
Red pog.png
Gliese 588     
Location of Gliese 588 in the constellation Lupus

Gliese 588 is a nearby red dwarf star of spectral type M2.5, located in the constellation Lupus at 19.34 light-years from Earth. [1] It emits a very stable light flux, with no detectable pulsations. [6]

Contents

History of observations

According to Luyten's (1979) (catalogue LHS, as well as NLTT), this object was discovered by Innes. [8] [9] In 1903–1927 Innes was the director of the Union Observatory (UO), South Africa.

However, in the Ci 20 catalogue (see number 934) this star was designated as "CD -40 7021", not "UO". [10] This may indicate that GJ 588 was first catalogued earlier, in the Cordoba Durchmusterung by John M. Thome in 1894. [11] [12] Note: the real CD designation of Gliese 588 is "CD-40 9712", [13] not "CD -40 7021": [10] GJ 588 has a RA of 15 hours, but the real CD -40 7021 has a RA of 11 hours. [14] [11]

Planetary system

On 11 June 2019, two planets were detected by radial velocity around Gliese 588 among other 118 planets around M dwarf stars. [15]

The Gliese 588 planetary system
Companion
(in order from star)		 Mass Semimajor axis
(AU)		 Orbital period
(days)		 Eccentricity Inclination Radius
b (unconfirmed)2.4+1.0
−0.9 M🜨 		0.049±0.0055.8084+0.0016
−0.0018		0.04+0.25
−0.04		——
c (unconfirmed)10.3+6.9
−4.9 M🜨 		0.530+0.048
−0.054		206.0+2.0
−3.3		0.06+0.02
−0.06		——

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References

  1. 1 2 3 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. S2CID   18759600. Vizier catalog entry
  2. 1 2 "GJ 588". SIMBAD . Centre de données astronomiques de Strasbourg . Retrieved 25 December 2016.
  3. 1 2 Mermilliod, J.-C. (1986). "Compilation of Eggen's UBV data, transformed to UBV (unpublished)". Catalogue of Eggen's UBV Data. Bibcode:1986EgUBV........0M.
  4. 1 2 3 Brown, A. G. A.; et al. (Gaia collaboration) (2021). "Gaia Early Data Release 3: Summary of the contents and survey properties". Astronomy & Astrophysics . 649: A1. arXiv: 2012.01533 . Bibcode:2021A&A...649A...1G. doi: 10.1051/0004-6361/202039657 . S2CID   227254300. (Erratum:  doi:10.1051/0004-6361/202039657e). Gaia EDR3 record for this source at VizieR.
  5. ↑ "The One Hundred Nearest Star Systems". 2012. Retrieved 25 December 2016.
  6. 1 2 Berdiñas, Z. M.; Rodríguez-López, C.; Amado, P. J.; Anglada-Escudé, G.; Barnes, J. R.; MacDonald, J.; Zechmeister, M.; Sarmiento, L. F. (2017), "High-cadence spectroscopy of M-dwarfs – II. Searching for stellar pulsations with HARPS", Monthly Notices of the Royal Astronomical Society, 469 (4): 4268–4282, arXiv: 1705.04690 , doi:10.1093/mnras/stx1140
  7. ↑ Suárez Mascareño, A.; Rebolo, R.; González Hernández, J. I.; Esposito, M. (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
  8. ↑ Luyten, Willem Jacob (1979). "LHS 397". LHS Catalogue, 2nd Edition.
  9. ↑ Kirkpatrick, J. Davy; Gelino, Christopher R.; Cushing, Michael C.; Mace, Gregory N.; Griffith, Roger L.; Skrutskie, Michael F.; Marsh, Kenneth A.; Wright, Edward L.; Eisenhardt, Peter R.; McLean, Ian S.; Mainzer, Amy K.; Burgasser, Adam J.; Tinney, Chris G.; Parker, Stephen; Salter, Graeme (2012). "Further Defining Spectral Type "Y" and Exploring the Low-mass End of the Field Brown Dwarf Mass Function". The Astrophysical Journal . 753 (2): 156. arXiv: 1205.2122 . Bibcode:2012ApJ...753..156K. doi:10.1088/0004-637X/753/2/156. S2CID   119279752.
  10. 1 2 Porter, J. G.; Yowell, E. J.; Smith, E. S. (1930). "A catalogue of 1474 stars with proper motion exceeding four-tenths year". Publications of the Cincinnati Observatory. 20: 1–32. Bibcode:1930PCinO..20....1P. Page 21 (Ci 20 934).
  11. 1 2 Thome, J. M. (1894). "Cordoba Durchmusterung declination -32 to -42". Resultados del Observatorio Nacional Argentino. 17: 1–538. Bibcode:1894RNAO...17....1T. Page 468 (CD -40 9712); page 459 (CD -40 7021)
  12. ↑ Dictionary of Nomenclature of Celestial Objects. CD entry. SIMBAD . Centre de Données astronomiques de Strasbourg.
  13. ↑ Luyten, Willem Jacob (1979). "NLTT 40449". NLTT Catalogue.
  14. ↑ Thome, John Macon (1892–1932). "CD -40 7021". Cordoba Durchmusterung.
  15. ↑ Barnes, J. R.; Kiraga, M.; Diaz, M.; Berdiñas, Z.; Jenkins, J. S.; Keiser, S.; Thompson, I.; Crane, J. D.; Shectman, S. A. (11 June 2019). "Frequency of planets orbiting M dwarfs in the Solar neighbourhood". arXiv: 1906.04644v1 [astro-ph.EP].
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