HD 104067

HD 104067
Observation data; Epoch J2000.0 Equinox J2000.0
Constellation	Corvus
Right ascension	11h 59m 10.00884s
Declination	−20° 21′ 13.6121″
Apparent magnitude (V)	7.92
Characteristics
Spectral type	K3V
Apparent magnitude (B)	8.894
Apparent magnitude (J)	6.212±0.019
Apparent magnitude (H)	5.754±0.023
Apparent magnitude (K)	5.614±0.024
B−V color index	0.974±0.010
Astrometry
Radial velocity (Rv)	+14.89±0.12 km/s
Proper motion (μ)	RA: 141.706 mas/yr ; Dec.: −423.780 mas/yr
Parallax (π)	49.1470 ± 0.0235 mas
Distance	66.36 ± 0.03 ly ; (20.347 ± 0.010 pc)
Absolute magnitude (MV)	6.30
Details
Mass	0.818+0.024; −0.025 M☉
Radius	0.771+0.007; −0.006 R☉
Luminosity	0.307 L☉
Surface gravity (log g)	4.56±0.10 cgs
Temperature	4,942±14 K
Metallicity [Fe/H]	0.11±0.06 dex
Rotation	18.3±4.9 d
Rotational velocity (v sin i)	2.47±0.96 km/s
Age	4.8+3.3; −3.0 Gyr
Other designations
	BD−19°3382, GJ 1153, HD 104067, HIP 58451, SAO 180353, PPM 259710, LTT 4461, NLTT 29176
Database references
SIMBAD	data
Exoplanet Archive	data

HD 104067 is a star with a planetary system in the southern constellation of Corvus. It has an apparent visual magnitude of 7.92^[2] which is too faint to be visible with the naked eye. The distance to this star is 66.4 light-years (20.4 parsecs) based on parallax. It is drifting further away with a radial velocity of +15 km/s.^[1]

This is an ordinary K-type main-sequence star with a stellar classification of K3V.^[3] It is a moderately active star^[8] with an age of roughly five billion years. HD 104067 is spinning with a projected rotational velocity of 2.5 km/s,^[4] giving it a rotation period of approximately a month.^[3] The star has 82% of the mass and 77% of the radius of the Sun.^[4] It is radiating 31%^[5] of the Sun's luminosity from its photosphere at an effective temperature of 4,942 K. The metal content of this star is close to that in the Sun.^[4]

Planetary system

HD 104067 has been observed as part of the HARPS planet-finding survey since 2004. The detection of an exoplanetary companion using the radial velocity method was announced in 2011. This sub-Saturn planet, HD 104067 b, has at least 0.2 times the mass of Jupiter and takes 55.8 days to orbit the star at a distance of 0.26 AU.^[8] The discovery of a second, Uranus-mass planet, HD 104067 c, was announced in 2024 based on HARPS and HIRES data. TESS observations also show evidence of a third candidate planet, slightly larger than Earth and orbiting closer to the star than the other two planets, with a period of just 2.2 days. Modeling suggests that this inner planet candidate may experience significant tidal heating.^[6]

The HD 104067 planetary system^[6]
Companion (in order from star)	Mass	Semimajor axis (AU)	Orbital period (days)	Eccentricity	Inclination	Radius
TOI-6713.01 (unconfirmed)	—	0.03054(37)	2.1538197(41)	—	86.5±2.0°	1.30±0.12 R_🜨
c	≥13.2±1.9 $M$ _🜨	0.1058±0.0013	13.8992+0.0047 −0.0037	0.29+0.12 −0.13	—	—
b	≥62.1+3.3 −3.2 $M$ _🜨	0.2674+0.0032 −0.0033	55.851±0.017	0.123+0.048 −0.051	—	—

References

^ ^a ^b ^c ^d ^e ^f 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 ^c ^d ^e ^f ^g ^h Anderson, E.; Francis, Ch. (2012). "XHIP: An extended hipparcos compilation". Astronomy Letters. 38 (5): 331. arXiv:1108.4971. Bibcode:2012AstL...38..331A. doi:10.1134/S1063773712050015. S2CID 119257644.
^ ^a ^b ^c 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. S2CID 119181646.
^ ^a ^b ^c ^d ^e ^f ^g ^h Soto, M. G.; Jenkins, J. S. (2018). "Spectroscopic Parameters and atmosphEric ChemIstriEs of Stars (SPECIES). I. Code description and dwarf stars catalogue". Astronomy and Astrophysics. 615: A76. arXiv:1801.09698. Bibcode:2018A&A...615A..76S. doi:10.1051/0004-6361/201731533. S2CID 119107228.
^ ^a ^b Brown, A. G. A.; et al. (Gaia collaboration) (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics. 616. A1. arXiv:1804.09365. Bibcode:2018A&A...616A...1G. doi:10.1051/0004-6361/201833051. Gaia DR2 record for this source at VizieR.
^ ^a ^b ^c ^d ^e Kane, Stephen R.; Fetherolf, Tara; et al. (March 2024). "A Perfect Tidal Storm: HD 104067 Planetary Architecture Creating an Incandescent World". The Astronomical Journal. 167 (5): 239. arXiv:2403.17062. Bibcode:2024AJ....167..239K. doi:10.3847/1538-3881/ad3820.
^ "HD 104067". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2021-09-28.
^ ^a ^b 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. S2CID 119197766.

[GaiaDR3-1] ^ ^a ^b ^c ^d ^e ^f 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.

[Anderson_Francis_2012-2] ^ ^a ^b ^c ^d ^e ^f ^g ^h Anderson, E.; Francis, Ch. (2012). "XHIP: An extended hipparcos compilation". Astronomy Letters. 38 (5): 331. arXiv:1108.4971. Bibcode:2012AstL...38..331A. doi:10.1134/S1063773712050015. S2CID 119257644.

[mnras452_3_2745-3] 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. S2CID 119181646.

[Soto_Jenkins2018-4] ^ ^a ^b ^c ^d ^e ^f ^g ^h Soto, M. G.; Jenkins, J. S. (2018). "Spectroscopic Parameters and atmosphEric ChemIstriEs of Stars (SPECIES). I. Code description and dwarf stars catalogue". Astronomy and Astrophysics. 615: A76. arXiv:1801.09698. Bibcode:2018A&A...615A..76S. doi:10.1051/0004-6361/201731533. S2CID 119107228.

[GaiaDR2-5] Brown, A. G. A.; et al. (Gaia collaboration) (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics. 616. A1. arXiv:1804.09365. Bibcode:2018A&A...616A...1G. doi:10.1051/0004-6361/201833051. Gaia DR2 record for this source at VizieR.

[Kane2024-6] Kane, Stephen R.; Fetherolf, Tara; et al. (March 2024). "A Perfect Tidal Storm: HD 104067 Planetary Architecture Creating an Incandescent World". The Astronomical Journal. 167 (5): 239. arXiv:2403.17062. Bibcode:2024AJ....167..239K. doi:10.3847/1538-3881/ad3820.

[SIMBAD-7] "HD 104067". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2021-09-28.

[Ségransan2011-8] 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. S2CID 119197766.

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HD 104067

Planetary system

See also

References

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