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HD 30177 b is an extrasolar planet located approximately 181.6 light-years away in the constellation of Dorado, orbiting the star HD 30177.

Discovery

This planet was discovered on June 13, 2002 by Tinney, Butler, and Marcy et al. using the Doppler spectroscopy from the Anglo-Australian Telescope.

Properties

This is one of the most massive planets ever detected by the radial velocity method. In addition, the planet orbits far from the star, about 4 AU away, taking 2770 days (7.58 years) to orbit the star. Even though the massive planet is orbiting at 4 AU from the star, the radial velocity semi-amplitude is high, around 146.8±2.8 m/s. In 2022, the inclination and true mass of HD 30177 b were measured via astrometry, showing the true mass to be close to the minimum mass.

See also

• Pi Mensae b

References

1. ^ Tinney, Chris (2007-09-07). "AAPS Discovered Planets". Anglo-Australian Planet Search. University of New South Wales. Retrieved 2018-04-17.
2. ^ Feng, Fabo; Butler, R. Paul; et al. (August 2022). "3D Selection of 167 Substellar Companions to Nearby Stars". The Astrophysical Journal Supplement Series. 262 (21): 21. arXiv:2208.12720. Bibcode:2022ApJS..262...21F. doi:10.3847/1538-4365/ac7e57. S2CID 251864022.
3. Tinney, C. G.; et al. (2003). "Four New Planets Orbiting Metal-enriched Stars". The Astrophysical Journal. 587 (1): 423–428. arXiv:astro-ph/0207128. Bibcode:2003ApJ...587..423T. doi:10.1086/368068. S2CID 10163020.
4. Butler, R. P.; et al. (2006). "Catalog of Nearby Exoplanets". The Astrophysical Journal. 646 (1): 505–522. arXiv:astro-ph/0607493. Bibcode:2006ApJ...646..505B. doi:10.1086/504701. S2CID 119067572.

External links

• "Notes for planet HD 30177 b". Extrasolar Planets Encyclopaedia. Retrieved 2008-08-29.
• "HD 30177". Exoplanets. Archived from the original on 2009-11-25. Retrieved 2008-08-29.

v t e Constellation of Dorado
List of stars in Dorado Dorado in Chinese astronomy Sanduleak -69 202
Stars	Bayer α β γ δ ε ζ η η θ κ λ ν π π G Variable R (P) S WZ AB BB HR 1859 2102 HD 27274 28254 30177 33579 37836 37974 38282 269810 271182 Other B90 BAT99-7 BAT99-66 BAT99-68 BAT99-98 BAT99-104 BAT99-123 BI 253 Gliese 163 HE 0437-5439 HV 888 IRAS 05280–6910 LHA 120-S 79 LH 41-1042 LH 54-425 LMC195-1 MACHO 80.7443.1718 Melnick 34 Melnick 42 PSR J0523−7125 PSR J0537−6910 PSR J0540−6919 R85 R99 R136 a a1 a2 a3 b c R139 R145 SGR 0525−66 TOI-700 TOI-813 VFTS 102 VFTS 243 VFTS 352 VFTS 682 WASP-62 (Naledi) WOH G64
Exoplanets Gliese 163 c HD 28254 b HD 30177 b TOI-700 d e TOI-813 b TOI-4127 b
Star clusters	NGC 1712 1712 1755 1761 1763 1783 1806 1818 1820 1846 1847 1850 1852 1854/1855 1856 1858 1859 1860 1866 1868 1869 1871 1872 1873 1898 1901 1903 1910 1929 1935 1955 1969 1971 1974 1978 1983 1984 1994 1997 2001 2002 2003 2004 2027 2040 2070 2074 2100 2108 2164 2197 2241 2257 Other Hodge 301 LH 95
Nebulae	NGC 1934 1936 2014 2020 2029 2032 2060 2078 2080 Other Henize 70 Honeycomb Nebula N119 N11 N41 N44 N49 N55 SNR 0509-67.5 Tarantula Nebula (30)
Galaxies	NGC 1533 1549 1553 1566 1672 1892 1947 2082 Other Large Magellanic Cloud (partly in Mensa and Hydrus) LEDA 89996
Galaxy clusters Dorado Group NGC 1566 Group
Astronomical events GRB 790305b SN 1987A
Category

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• Dorado
• Giant planets
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• Exoplanets detected by radial velocity
• Exoplanets detected by astrometry
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