HD 89744 b - Meteorite - astro.wikisort.org

astro.wikisort.org - Meteorite

HD 89744 b is an eccentric Jupiter extrasolar planet orbiting the star HD 89744.[1]

HD 89744 b
Discovery[1]
Discovered by	Korzennik et al.
Discovery site	Whipple Observatory
Discovery date	2000
Detection method	Doppler spectroscopy
Orbital characteristics[2]
Semi-major axis	0.917±0.009 AU
Eccentricity	0.677±0.003
Orbital period (sidereal)	256.78±0.02 d
Argument of perihelion	193.7±0.4 º
Semi-amplitude	269.66±1.45 m/s
Star	HD 89744
Physical characteristics[2]
Mass	≥8.35±0.18 M_J

In a simulation of a 10 million year span, this planet swept away all test particles "except for a narrow region near the 8:3 resonance". There can be no planets in this star's habitable zone. Observation has ruled out any planet over 0.7 Jupiter mass within a year period.[3]

References

Korzennik, Sylvain G.; et al. (2000). "A High-Eccentricity Low-Mass Companion to HD 89744". The Astrophysical Journal Letters. 533 (2): L147–L150. arXiv:astro-ph/0003045. Bibcode:2000ApJ...533L.147K. doi:10.1086/312611. PMID 10770711.
Wittenmyer, Robert A.; et al. (2019). "Truly eccentric – I. Revisiting eight single-eccentric planetary systems". Monthly Notices of the Royal Astronomical Society. 484 (4): 5859–5867. arXiv:1901.08471. Bibcode:2019MNRAS.484.5859W. doi:10.1093/mnras/stz290.
Wittenmyer, Robert A.; et al. (2007). "Dynamical and Observational Constraints on Additional Planets in Highly Eccentric Planetary Systems". The Astronomical Journal. 134 (3): 1276–1284. arXiv:0706.1962. Bibcode:2007AJ....134.1276W. doi:10.1086/520880.

External links

"HD 89744". Exoplanets. Archived from the original on 2012-03-04. Retrieved 2008-11-04.

Constellation of Ursa Major

Stars

Bayer	α (Dubhe) β (Merak) γ (Phecda) δ (Megrez) ε (Alioth) ζ (Mizar) η (Alkaid) θ ι (Talitha) κ (Alkaphrah) λ (Tania Borealis) μ (Tania Australis) ν (Alula Borealis) ξ (Alula Australis) ο (Muscida) π¹ π² ρ σ¹ σ² τ υ φ χ (Taiyangshou) ψ ω
Flamsteed	2 (A) 5 (b) 6 15 (f) 16 (c) 17 18 (e) 19 20 21 22 23 (h) 24 (d) 26 27 28 31 32 35 36 37 38 39 40 41 42 43 44 46 47 (Chalawan) 49 51 55 56 57 58 59 60 61 62 65 66 67 68 70 71 72 73 74 75 76 78 80 (Alcor) 81 82 83 84 86 55 Cam 56 Cam 57 Cam 1 CVn 14 LMi 15 LMi 25 LMi 47 LMi 37 Lyn 39 Lyn 41 Lyn (Intercrus) 44 Lyn
Variable	R T U W Z RV ST SU SW SX TU TX TY UX UY VV VX VY XY ZZ AA AB AE AN AR AW BC BE BM BZ CG CH CO CQ CY DH DI DM DV DW EE EG EI EK EN EP ER ET EU EV EZ IY KS NQ NY
HR	3236 3263 3303 3332 3400 3401 3405 3408 3436 3470 3506 3592 3603 3608 3645 3676 3725 3747 3824 3838 3854 3855 3859 3885 3911 3918 3922 3929 3939 3954 3958 4044 4046 4051 4052 4067 4096 4098 4103 4108 4132 4165 4176 4181 4191 4215 4242 4243 4264 4275 4278 4280 4283 4285 4286 4336 4340 4345 4351 4367 4383 4388 4391 4407 4412 4421 4424 4435 4439 4452 4457 4474 4481 4482 4486 4493 4500 4521 4536 4545 4562 4569 4574 4581 4584 4593 4610 4672 4767 4840 4859 4867 4917 4936 4953 5070 5076 5085 5126 5148 5169 5077 5213 5216 5256 5280 5302
HD	68988 74389 80461 80606 80607 82408 82969 83564 84406 88609 89221 93551 95572 96127 98618 99706 100018 102956 115043 118203 118970 233604 233731
Other	ADS 7251 Feige 34 Feige 48 Feige 55 G 119-62 G 195-19 G 196-3 Gliese 338 Gliese 412 GJ 3512 Groombridge 1618 Groombridge 1830 HAT-P-3 HAT-P-13 HAT-P-21 HIP 57050 HIP 57274 Holmberg IX X-1 Lalande 21185 M82 X-1 M82 X-2 PG 1219+534 PG 1351+489 PSR B1112+50 PSR J1012+5307 Qatar-8 Qatar-9 Sidus Ludoviciana UGC 5497 US 708 Winnecke 4 WISE 1405+5534 XTE J1118+480

Exoplanets	47 Ursae Majoris b (Taphao Thong) c (Taphao Kaew) d 41 Lyncis b (Arkas) HAT-P-3b HD 89744 b

Galaxies

Messier	81 (Bode's Galaxy) 82 (Cigar Galaxy) 101 (Pinwheel Galaxy) 108 109
NGC	3545B
Other	3C 219 3C 244.1 3C 268.3 Holmberg IX