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All articles starting with H

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HD 106516

HD 106516, also cataloged as HR 4657, is an F-type spectroscopic binary in Virgo about 22 parsecs away, a rare blue straggler of the Milky Way's thick disk.

HD 106906

HD 106906 is a young F-type binary star system 336 light-years away in Crux, hosting the directly imaged 11-Jupiter-mass exoplanet HD 106906 b on a 650 AU, 15,000-year Planet Nine-like orbit and an asymmetric debris disk.

HD 10697

HD 10697 (109 Psc, GJ 72) is a nearby G-type star 33 parsecs away in Pisces hosting HD 10697 b, a 5.743-Jupiter-mass gas giant found by radial velocity in 1999, orbiting every 2.9 years at 2.051 AU.

HD 107148

HD 107148 is a Sun-like star about 49.4 pc away with two confirmed radial-velocity planets: Neptune-mass HD 107148 c (18.3-day eccentric orbit) and Saturn-mass HD 107148 b, plus a white dwarf companion.

HD 10780

HD 10780, also called V987 Cas, is a nearby K-type main-sequence star in Cassiopeia and a BY Draconis variable, visible near the naked-eye limit at magnitude 5.6.

HD 108147

HD 108147 is a nearby F8/G0 V star about 38.9 parsecs away hosting HD 108147 b, a Saturn-mass gas giant in an eccentric 10.9-day, 0.102 AU orbit, discovered in 2002 by CORALIE radial velocity.

HD 108874

HD 108874 (HIP 61028) is a Sun-like G-type star about 59.5 pc away in Coma Berenices with two radial-velocity gas giants, HD 108874 b (394.48 d, 1.42 M_Jup) and c (1624 d), near a mean motion resonance, plus a debris disc.

HD 109271

HD 109271 (HIP 61300) is a G5V star about 62 parsecs away with two confirmed Neptune-mass planets, HD 109271 b (7.85 d) and c (30.93 d), found by HARPS radial velocity in 2013, plus a detected stellar companion.

HD 109573

HD 109573, also cataloged as HR 4796A, is a young A0V star about 237 light-years away in Centaurus, known for one of the brightest, sharpest debris rings known.

HD 109833

HD 109833 (HIP 61723) is a 27-million-year-old G-type star 79.6 parsecs away with two confirmed TESS transiting sub-Neptunes: HD 109833 b (9.19 days, 8.69 Earth masses) and HD 109833 c (13.9 days), announced in 2022.

HD 110113

HD 110113 (TOI-755) is a Sun-like G star 106 parsecs away with two 2021 planets: transiting mini-Neptune HD 110113 b (2.5-day orbit, radius valley) and non-transiting super Earth HD 110113 c (6.7-day orbit).

HD 113337

HD 113337 (HIP 63584) is an F6V star 36.18 pc away with two confirmed giant planets, HD 113337 b (317.6 d, 3.26 M_Jup) and HD 113337 c, plus a cold debris disc and wide M-dwarf companions.

HD 113538

HD 113538 (HIP 63833, GJ 496.1) is a nearby K9V dwarf 16.28 pc away with two radial-velocity gas giants, HD 113538 b (0.36 Mjup, 663.2 d) and c (0.93 Mjup, 1818 d), discovered in 2010.

HD 114082

HD 114082 (HIP 64184) is a young (15±6 Myr) F3V star 310 light-years away with a debris disk and the transiting super-Jupiter HD 114082 b, discovered in 2022, unusually dense for its age; a second candidate, TOI-6697.02, is also listed.

HD 114386

HD 114386 is a K3 V orange dwarf about 91 light-years away with two confirmed giant planets: HD 114386 b, a Jupiter analog found in 2003, and HD 114386 c, a 444-day cold Jupiter confirmed in 2026.

HD 114729

HD 114729 is a G-type star about 37.8 pc away in Centaurus, hosting the gas giant HD 114729 b (0.825 Jupiter masses, 3.1-year orbit, 2.067 AU) found by radial velocity in 2002, plus an M-dwarf companion HD 114729 B.

HD 114762

HD 114762 is a late-F subgiant star about 131 light-years away in Coma Berenices, best known for its 1989 substellar companion candidate HD 114762 b.

HD 114783

HD 114783 (GJ 3769, HIP 64457) is a nearby K-type star about 21 parsecs away with two confirmed gas giant planets: HD 114783 b (1.1 Jupiter masses, 493.7-day orbit, found 2001 by radial velocity at Keck) and HD 114783 c (about 11.9-year orbit at 5 AU, found 2016).

HD 11506

HD 11506 is a G0 V Sun-like star in Cetus with three confirmed giant planets: HD 11506 b (4.8 Jupiter masses, 1617.7-day orbit), c (0.4 Jupiter masses, 223.9 days), and d (about 12.8 Jupiter masses, roughly 72-year orbit), found by radial velocity and astrometry.

HD 116029

HD 116029 (HIP 65117) is a K-type subgiant about 123 pc away with two radial-velocity gas giants: HD 116029 b (1.4 MJ, 670 d, 2011) and HD 116029 c (1.27 MJ, 907 d, 2016), plus an M dwarf companion at 171 AU.

HD 117207

HD 117207 is a G8-type star 32.35 pc away with one confirmed gas giant, HD 117207 b, about 2.1 Jupiter masses at 3.787 AU, period 7.2 years, discovered by radial velocity in 2004 (Marcy et al. 2005).

HD 117618

HD 117618 (Dofida) is a Sun-like G2V star about 37.8 pc away in Centaurus with the confirmed Saturn-class gas giant HD 117618 b (Noifasui), a 25.8-day radial-velocity planet found in 2004; a controversial 318-day second candidate exists.

HD 118203

HD 118203 is a slightly evolved G-type star about 92 pc away with two giant planets: HD 118203 b, a transiting eccentric 6.1-day hot Jupiter of 2.14 Jupiter masses, and HD 118203 c, an 11.8-Jupiter-mass companion on a 14-year orbit.

HD 11964

HD 11964, a subgiant star in Cetus about 33.5 pc away, hosts two radial-velocity planets: gas giant HD 11964 b (0.622 M_Jup, 5.3-year orbit) and HD 11964 c (25 Earth masses, 37.9-day orbit), in a wide binary with M dwarf HD 11964 B.

HD 11977

HD 11977 (eta2 Hyi) is a G5 III giant star about 68 parsecs away in Hydrus hosting HD 11977 b, a 6.54-Jupiter-mass gas giant in a 711-day eccentric orbit, discovered by radial velocity in 2005.

HD 119850

Wolf 498, also cataloged as GJ 526, HD 119850, and Lalande 25372, is a nearby M1-M2 red dwarf in Boötes about 5.4 parsecs away, with a 48.7-day rotation period and no confirmed planets.

HD 121504

HD 121504 is a Sun-like star located 42 parsecs from Earth in Centaurus, known for its exoplanet HD 121504 b, which was discovered in 2003 using radial-velocity measurements.

HD 12235

HD 12235 (112 Psc, HIP 9353, HR 582) is a G2IV yellow subgiant in Pisces, 103.6 light-years away, with two 2022 radial-velocity planets: Neptune-like HD 12235 b (4.4-day orbit) and gas giant HD 12235 c (99.6-year orbit).

HD 122563

HD 122563 is an extremely metal-poor red giant star in the halo of the Milky Way, identified in 1963 and the brightest known metal-poor halo giant at magnitude 6.2.

HD 125612

HD 125612 is a metal-rich G3 V star in Virgo, 57.6 pc away, with three radial-velocity planets (b 2007, c and d 2009), an M4 dwarf companion at 4750 AU, and a resolved debris disc.